text: /*!
   * jQuery JavaScript Library v3.4.1
   * https://jquery.com/
   *
   * Includes Sizzle.js
   * https://sizzlejs.com/
   *
   * Copyright JS Foundation and other contributors
   * Released under the MIT license
   * https://jquery.org/license
   *
   * Date: 2019-05-01T21:04Z
   */
  ( function( global, factory ) {
  
  	"use strict";
  
  	if ( typeof module === "object" && typeof module.exports === "object" ) {
  
  		// For CommonJS and CommonJS-like environments where a proper `window`
  		// is present, execute the factory and get jQuery.
  		// For environments that do not have a `window` with a `document`
  		// (such as Node.js), expose a factory as module.exports.
  		// This accentuates the need for the creation of a real `window`.
  		// e.g. var jQuery = require("jquery")(window);
  		// See ticket #14549 for more info.
  		module.exports = global.document ?
  			factory( global, true ) :
  			function( w ) {
  				if ( !w.document ) {
  					throw new Error( "jQuery requires a window with a document" );
  				}
  				return factory( w );
  			};
  	} else {
  		factory( global );
  	}
  
  // Pass this if window is not defined yet
  } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
  
  // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
  // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
  // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
  // enough that all such attempts are guarded in a try block.
  "use strict";
  
  var arr = [];
  
  var document = window.document;
  
  var getProto = Object.getPrototypeOf;
  
  var slice = arr.slice;
  
  var concat = arr.concat;
  
  var push = arr.push;
  
  var indexOf = arr.indexOf;
  
  var class2type = {};
  
  var toString = class2type.toString;
  
  var hasOwn = class2type.hasOwnProperty;
  
  var fnToString = hasOwn.toString;
  
  var ObjectFunctionString = fnToString.call( Object );
  
  var support = {};
  
  var isFunction = function isFunction( obj ) {
  
        // Support: Chrome <=57, Firefox <=52
        // In some browsers, typeof returns "function" for HTML <object> elements
        // (i.e., `typeof document.createElement( "object" ) === "function"`).
        // We don't want to classify *any* DOM node as a function.
        return typeof obj === "function" && typeof obj.nodeType !== "number";
    };
  
  
  var isWindow = function isWindow( obj ) {
  		return obj != null && obj === obj.window;
  	};
  
  
  
  
  	var preservedScriptAttributes = {
  		type: true,
  		src: true,
  		nonce: true,
  		noModule: true
  	};
  
  	function DOMEval( code, node, doc ) {
  		doc = doc || document;
  
  		var i, val,
  			script = doc.createElement( "script" );
  
  		script.text = code;
  		if ( node ) {
  			for ( i in preservedScriptAttributes ) {
  
  				// Support: Firefox 64+, Edge 18+
  				// Some browsers don't support the "nonce" property on scripts.
  				// On the other hand, just using `getAttribute` is not enough as
  				// the `nonce` attribute is reset to an empty string whenever it
  				// becomes browsing-context connected.
  				// See https://github.com/whatwg/html/issues/2369
  				// See https://html.spec.whatwg.org/#nonce-attributes
  				// The `node.getAttribute` check was added for the sake of
  				// `jQuery.globalEval` so that it can fake a nonce-containing node
  				// via an object.
  				val = node[ i ] || node.getAttribute && node.getAttribute( i );
  				if ( val ) {
  					script.setAttribute( i, val );
  				}
  			}
  		}
  		doc.head.appendChild( script ).parentNode.removeChild( script );
  	}
  
  
  function toType( obj ) {
  	if ( obj == null ) {
  		return obj + "";
  	}
  
  	// Support: Android <=2.3 only (functionish RegExp)
  	return typeof obj === "object" || typeof obj === "function" ?
  		class2type[ toString.call( obj ) ] || "object" :
  		typeof obj;
  }
  /* global Symbol */
  // Defining this global in .eslintrc.json would create a danger of using the global
  // unguarded in another place, it seems safer to define global only for this module
  
  
  
  var
  	version = "3.4.1",
  
  	// Define a local copy of jQuery
  	jQuery = function( selector, context ) {
  
  		// The jQuery object is actually just the init constructor 'enhanced'
  		// Need init if jQuery is called (just allow error to be thrown if not included)
  		return new jQuery.fn.init( selector, context );
  	},
  
  	// Support: Android <=4.0 only
  	// Make sure we trim BOM and NBSP
  	rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
  
  jQuery.fn = jQuery.prototype = {
  
  	// The current version of jQuery being used
  	jquery: version,
  
  	constructor: jQuery,
  
  	// The default length of a jQuery object is 0
  	length: 0,
  
  	toArray: function() {
  		return slice.call( this );
  	},
  
  	// Get the Nth element in the matched element set OR
  	// Get the whole matched element set as a clean array
  	get: function( num ) {
  
  		// Return all the elements in a clean array
  		if ( num == null ) {
  			return slice.call( this );
  		}
  
  		// Return just the one element from the set
  		return num < 0 ? this[ num + this.length ] : this[ num ];
  	},
  
  	// Take an array of elements and push it onto the stack
  	// (returning the new matched element set)
  	pushStack: function( elems ) {
  
  		// Build a new jQuery matched element set
  		var ret = jQuery.merge( this.constructor(), elems );
  
  		// Add the old object onto the stack (as a reference)
  		ret.prevObject = this;
  
  		// Return the newly-formed element set
  		return ret;
  	},
  
  	// Execute a callback for every element in the matched set.
  	each: function( callback ) {
  		return jQuery.each( this, callback );
  	},
  
  	map: function( callback ) {
  		return this.pushStack( jQuery.map( this, function( elem, i ) {
  			return callback.call( elem, i, elem );
  		} ) );
  	},
  
  	slice: function() {
  		return this.pushStack( slice.apply( this, arguments ) );
  	},
  
  	first: function() {
  		return this.eq( 0 );
  	},
  
  	last: function() {
  		return this.eq( -1 );
  	},
  
  	eq: function( i ) {
  		var len = this.length,
  			j = +i + ( i < 0 ? len : 0 );
  		return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
  	},
  
  	end: function() {
  		return this.prevObject || this.constructor();
  	},
  
  	// For internal use only.
  	// Behaves like an Array's method, not like a jQuery method.
  	push: push,
  	sort: arr.sort,
  	splice: arr.splice
  };
  
  jQuery.extend = jQuery.fn.extend = function() {
  	var options, name, src, copy, copyIsArray, clone,
  		target = arguments[ 0 ] || {},
  		i = 1,
  		length = arguments.length,
  		deep = false;
  
  	// Handle a deep copy situation
  	if ( typeof target === "boolean" ) {
  		deep = target;
  
  		// Skip the boolean and the target
  		target = arguments[ i ] || {};
  		i++;
  	}
  
  	// Handle case when target is a string or something (possible in deep copy)
  	if ( typeof target !== "object" && !isFunction( target ) ) {
  		target = {};
  	}
  
  	// Extend jQuery itself if only one argument is passed
  	if ( i === length ) {
  		target = this;
  		i--;
  	}
  
  	for ( ; i < length; i++ ) {
  
  		// Only deal with non-null/undefined values
  		if ( ( options = arguments[ i ] ) != null ) {
  
  			// Extend the base object
  			for ( name in options ) {
  				copy = options[ name ];
  
  				// Prevent Object.prototype pollution
  				// Prevent never-ending loop
  				if ( name === "__proto__" || target === copy ) {
  					continue;
  				}
  
  				// Recurse if we're merging plain objects or arrays
  				if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
  					( copyIsArray = Array.isArray( copy ) ) ) ) {
  					src = target[ name ];
  
  					// Ensure proper type for the source value
  					if ( copyIsArray && !Array.isArray( src ) ) {
  						clone = [];
  					} else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
  						clone = {};
  					} else {
  						clone = src;
  					}
  					copyIsArray = false;
  
  					// Never move original objects, clone them
  					target[ name ] = jQuery.extend( deep, clone, copy );
  
  				// Don't bring in undefined values
  				} else if ( copy !== undefined ) {
  					target[ name ] = copy;
  				}
  			}
  		}
  	}
  
  	// Return the modified object
  	return target;
  };
  
  jQuery.extend( {
  
  	// Unique for each copy of jQuery on the page
  	expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
  
  	// Assume jQuery is ready without the ready module
  	isReady: true,
  
  	error: function( msg ) {
  		throw new Error( msg );
  	},
  
  	noop: function() {},
  
  	isPlainObject: function( obj ) {
  		var proto, Ctor;
  
  		// Detect obvious negatives
  		// Use toString instead of jQuery.type to catch host objects
  		if ( !obj || toString.call( obj ) !== "[object Object]" ) {
  			return false;
  		}
  
  		proto = getProto( obj );
  
  		// Objects with no prototype (e.g., `Object.create( null )`) are plain
  		if ( !proto ) {
  			return true;
  		}
  
  		// Objects with prototype are plain iff they were constructed by a global Object function
  		Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
  		return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
  	},
  
  	isEmptyObject: function( obj ) {
  		var name;
  
  		for ( name in obj ) {
  			return false;
  		}
  		return true;
  	},
  
  	// Evaluates a script in a global context
  	globalEval: function( code, options ) {
  		DOMEval( code, { nonce: options && options.nonce } );
  	},
  
  	each: function( obj, callback ) {
  		var length, i = 0;
  
  		if ( isArrayLike( obj ) ) {
  			length = obj.length;
  			for ( ; i < length; i++ ) {
  				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
  					break;
  				}
  			}
  		} else {
  			for ( i in obj ) {
  				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
  					break;
  				}
  			}
  		}
  
  		return obj;
  	},
  
  	// Support: Android <=4.0 only
  	trim: function( text ) {
  		return text == null ?
  			"" :
  			( text + "" ).replace( rtrim, "" );
  	},
  
  	// results is for internal usage only
  	makeArray: function( arr, results ) {
  		var ret = results || [];
  
  		if ( arr != null ) {
  			if ( isArrayLike( Object( arr ) ) ) {
  				jQuery.merge( ret,
  					typeof arr === "string" ?
  					[ arr ] : arr
  				);
  			} else {
  				push.call( ret, arr );
  			}
  		}
  
  		return ret;
  	},
  
  	inArray: function( elem, arr, i ) {
  		return arr == null ? -1 : indexOf.call( arr, elem, i );
  	},
  
  	// Support: Android <=4.0 only, PhantomJS 1 only
  	// push.apply(_, arraylike) throws on ancient WebKit
  	merge: function( first, second ) {
  		var len = +second.length,
  			j = 0,
  			i = first.length;
  
  		for ( ; j < len; j++ ) {
  			first[ i++ ] = second[ j ];
  		}
  
  		first.length = i;
  
  		return first;
  	},
  
  	grep: function( elems, callback, invert ) {
  		var callbackInverse,
  			matches = [],
  			i = 0,
  			length = elems.length,
  			callbackExpect = !invert;
  
  		// Go through the array, only saving the items
  		// that pass the validator function
  		for ( ; i < length; i++ ) {
  			callbackInverse = !callback( elems[ i ], i );
  			if ( callbackInverse !== callbackExpect ) {
  				matches.push( elems[ i ] );
  			}
  		}
  
  		return matches;
  	},
  
  	// arg is for internal usage only
  	map: function( elems, callback, arg ) {
  		var length, value,
  			i = 0,
  			ret = [];
  
  		// Go through the array, translating each of the items to their new values
  		if ( isArrayLike( elems ) ) {
  			length = elems.length;
  			for ( ; i < length; i++ ) {
  				value = callback( elems[ i ], i, arg );
  
  				if ( value != null ) {
  					ret.push( value );
  				}
  			}
  
  		// Go through every key on the object,
  		} else {
  			for ( i in elems ) {
  				value = callback( elems[ i ], i, arg );
  
  				if ( value != null ) {
  					ret.push( value );
  				}
  			}
  		}
  
  		// Flatten any nested arrays
  		return concat.apply( [], ret );
  	},
  
  	// A global GUID counter for objects
  	guid: 1,
  
  	// jQuery.support is not used in Core but other projects attach their
  	// properties to it so it needs to exist.
  	support: support
  } );
  
  if ( typeof Symbol === "function" ) {
  	jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
  }
  
  // Populate the class2type map
  jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
  function( i, name ) {
  	class2type[ "[object " + name + "]" ] = name.toLowerCase();
  } );
  
  function isArrayLike( obj ) {
  
  	// Support: real iOS 8.2 only (not reproducible in simulator)
  	// `in` check used to prevent JIT error (gh-2145)
  	// hasOwn isn't used here due to false negatives
  	// regarding Nodelist length in IE
  	var length = !!obj && "length" in obj && obj.length,
  		type = toType( obj );
  
  	if ( isFunction( obj ) || isWindow( obj ) ) {
  		return false;
  	}
  
  	return type === "array" || length === 0 ||
  		typeof length === "number" && length > 0 && ( length - 1 ) in obj;
  }
  var Sizzle =
  /*!
   * Sizzle CSS Selector Engine v2.3.4
   * https://sizzlejs.com/
   *
   * Copyright JS Foundation and other contributors
   * Released under the MIT license
   * https://js.foundation/
   *
   * Date: 2019-04-08
   */
  (function( window ) {
  
  var i,
  	support,
  	Expr,
  	getText,
  	isXML,
  	tokenize,
  	compile,
  	select,
  	outermostContext,
  	sortInput,
  	hasDuplicate,
  
  	// Local document vars
  	setDocument,
  	document,
  	docElem,
  	documentIsHTML,
  	rbuggyQSA,
  	rbuggyMatches,
  	matches,
  	contains,
  
  	// Instance-specific data
  	expando = "sizzle" + 1 * new Date(),
  	preferredDoc = window.document,
  	dirruns = 0,
  	done = 0,
  	classCache = createCache(),
  	tokenCache = createCache(),
  	compilerCache = createCache(),
  	nonnativeSelectorCache = createCache(),
  	sortOrder = function( a, b ) {
  		if ( a === b ) {
  			hasDuplicate = true;
  		}
  		return 0;
  	},
  
  	// Instance methods
  	hasOwn = ({}).hasOwnProperty,
  	arr = [],
  	pop = arr.pop,
  	push_native = arr.push,
  	push = arr.push,
  	slice = arr.slice,
  	// Use a stripped-down indexOf as it's faster than native
  	// https://jsperf.com/thor-indexof-vs-for/5
  	indexOf = function( list, elem ) {
  		var i = 0,
  			len = list.length;
  		for ( ; i < len; i++ ) {
  			if ( list[i] === elem ) {
  				return i;
  			}
  		}
  		return -1;
  	},
  
  	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
  
  	// Regular expressions
  
  	// http://www.w3.org/TR/css3-selectors/#whitespace
  	whitespace = "[\\x20\\t\\r\\n\\f]",
  
  	// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
  	identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
  
  	// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
  	attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
  		// Operator (capture 2)
  		"*([*^$|!~]?=)" + whitespace +
  		// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
  		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
  		"*\\]",
  
  	pseudos = ":(" + identifier + ")(?:\\((" +
  		// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
  		// 1. quoted (capture 3; capture 4 or capture 5)
  		"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
  		// 2. simple (capture 6)
  		"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
  		// 3. anything else (capture 2)
  		".*" +
  		")\\)|)",
  
  	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
  	rwhitespace = new RegExp( whitespace + "+", "g" ),
  	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
  
  	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
  	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
  	rdescend = new RegExp( whitespace + "|>" ),
  
  	rpseudo = new RegExp( pseudos ),
  	ridentifier = new RegExp( "^" + identifier + "$" ),
  
  	matchExpr = {
  		"ID": new RegExp( "^#(" + identifier + ")" ),
  		"CLASS": new RegExp( "^\\.(" + identifier + ")" ),
  		"TAG": new RegExp( "^(" + identifier + "|[*])" ),
  		"ATTR": new RegExp( "^" + attributes ),
  		"PSEUDO": new RegExp( "^" + pseudos ),
  		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
  			"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
  			"*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
  		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
  		// For use in libraries implementing .is()
  		// We use this for POS matching in `select`
  		"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
  			whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
  	},
  
  	rhtml = /HTML$/i,
  	rinputs = /^(?:input|select|textarea|button)$/i,
  	rheader = /^h\d$/i,
  
  	rnative = /^[^{]+\{\s*\[native \w/,
  
  	// Easily-parseable/retrievable ID or TAG or CLASS selectors
  	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
  
  	rsibling = /[+~]/,
  
  	// CSS escapes
  	// http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
  	runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
  	funescape = function( _, escaped, escapedWhitespace ) {
  		var high = "0x" + escaped - 0x10000;
  		// NaN means non-codepoint
  		// Support: Firefox<24
  		// Workaround erroneous numeric interpretation of +"0x"
  		return high !== high || escapedWhitespace ?
  			escaped :
  			high < 0 ?
  				// BMP codepoint
  				String.fromCharCode( high + 0x10000 ) :
  				// Supplemental Plane codepoint (surrogate pair)
  				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
  	},
  
  	// CSS string/identifier serialization
  	// https://drafts.csswg.org/cssom/#common-serializing-idioms
  	rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
  	fcssescape = function( ch, asCodePoint ) {
  		if ( asCodePoint ) {
  
  			// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
  			if ( ch === "\0" ) {
  				return "\uFFFD";
  			}
  
  			// Control characters and (dependent upon position) numbers get escaped as code points
  			return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
  		}
  
  		// Other potentially-special ASCII characters get backslash-escaped
  		return "\\" + ch;
  	},
  
  	// Used for iframes
  	// See setDocument()
  	// Removing the function wrapper causes a "Permission Denied"
  	// error in IE
  	unloadHandler = function() {
  		setDocument();
  	},
  
  	inDisabledFieldset = addCombinator(
  		function( elem ) {
  			return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
  		},
  		{ dir: "parentNode", next: "legend" }
  	);
  
  // Optimize for push.apply( _, NodeList )
  try {
  	push.apply(
  		(arr = slice.call( preferredDoc.childNodes )),
  		preferredDoc.childNodes
  	);
  	// Support: Android<4.0
  	// Detect silently failing push.apply
  	arr[ preferredDoc.childNodes.length ].nodeType;
  } catch ( e ) {
  	push = { apply: arr.length ?
  
  		// Leverage slice if possible
  		function( target, els ) {
  			push_native.apply( target, slice.call(els) );
  		} :
  
  		// Support: IE<9
  		// Otherwise append directly
  		function( target, els ) {
  			var j = target.length,
  				i = 0;
  			// Can't trust NodeList.length
  			while ( (target[j++] = els[i++]) ) {}
  			target.length = j - 1;
  		}
  	};
  }
  
  function Sizzle( selector, context, results, seed ) {
  	var m, i, elem, nid, match, groups, newSelector,
  		newContext = context && context.ownerDocument,
  
  		// nodeType defaults to 9, since context defaults to document
  		nodeType = context ? context.nodeType : 9;
  
  	results = results || [];
  
  	// Return early from calls with invalid selector or context
  	if ( typeof selector !== "string" || !selector ||
  		nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
  
  		return results;
  	}
  
  	// Try to shortcut find operations (as opposed to filters) in HTML documents
  	if ( !seed ) {
  
  		if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
  			setDocument( context );
  		}
  		context = context || document;
  
  		if ( documentIsHTML ) {
  
  			// If the selector is sufficiently simple, try using a "get*By*" DOM method
  			// (excepting DocumentFragment context, where the methods don't exist)
  			if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
  
  				// ID selector
  				if ( (m = match[1]) ) {
  
  					// Document context
  					if ( nodeType === 9 ) {
  						if ( (elem = context.getElementById( m )) ) {
  
  							// Support: IE, Opera, Webkit
  							// TODO: identify versions
  							// getElementById can match elements by name instead of ID
  							if ( elem.id === m ) {
  								results.push( elem );
  								return results;
  							}
  						} else {
  							return results;
  						}
  
  					// Element context
  					} else {
  
  						// Support: IE, Opera, Webkit
  						// TODO: identify versions
  						// getElementById can match elements by name instead of ID
  						if ( newContext && (elem = newContext.getElementById( m )) &&
  							contains( context, elem ) &&
  							elem.id === m ) {
  
  							results.push( elem );
  							return results;
  						}
  					}
  
  				// Type selector
  				} else if ( match[2] ) {
  					push.apply( results, context.getElementsByTagName( selector ) );
  					return results;
  
  				// Class selector
  				} else if ( (m = match[3]) && support.getElementsByClassName &&
  					context.getElementsByClassName ) {
  
  					push.apply( results, context.getElementsByClassName( m ) );
  					return results;
  				}
  			}
  
  			// Take advantage of querySelectorAll
  			if ( support.qsa &&
  				!nonnativeSelectorCache[ selector + " " ] &&
  				(!rbuggyQSA || !rbuggyQSA.test( selector )) &&
  
  				// Support: IE 8 only
  				// Exclude object elements
  				(nodeType !== 1 || context.nodeName.toLowerCase() !== "object") ) {
  
  				newSelector = selector;
  				newContext = context;
  
  				// qSA considers elements outside a scoping root when evaluating child or
  				// descendant combinators, which is not what we want.
  				// In such cases, we work around the behavior by prefixing every selector in the
  				// list with an ID selector referencing the scope context.
  				// Thanks to Andrew Dupont for this technique.
  				if ( nodeType === 1 && rdescend.test( selector ) ) {
  
  					// Capture the context ID, setting it first if necessary
  					if ( (nid = context.getAttribute( "id" )) ) {
  						nid = nid.replace( rcssescape, fcssescape );
  					} else {
  						context.setAttribute( "id", (nid = expando) );
  					}
  
  					// Prefix every selector in the list
  					groups = tokenize( selector );
  					i = groups.length;
  					while ( i-- ) {
  						groups[i] = "#" + nid + " " + toSelector( groups[i] );
  					}
  					newSelector = groups.join( "," );
  
  					// Expand context for sibling selectors
  					newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
  						context;
  				}
  
  				try {
  					push.apply( results,
  						newContext.querySelectorAll( newSelector )
  					);
  					return results;
  				} catch ( qsaError ) {
  					nonnativeSelectorCache( selector, true );
  				} finally {
  					if ( nid === expando ) {
  						context.removeAttribute( "id" );
  					}
  				}
  			}
  		}
  	}
  
  	// All others
  	return select( selector.replace( rtrim, "$1" ), context, results, seed );
  }
  
  /**
   * Create key-value caches of limited size
   * @returns {function(string, object)} Returns the Object data after storing it on itself with
   *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
   *	deleting the oldest entry
   */
  function createCache() {
  	var keys = [];
  
  	function cache( key, value ) {
  		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
  		if ( keys.push( key + " " ) > Expr.cacheLength ) {
  			// Only keep the most recent entries
  			delete cache[ keys.shift() ];
  		}
  		return (cache[ key + " " ] = value);
  	}
  	return cache;
  }
  
  /**
   * Mark a function for special use by Sizzle
   * @param {Function} fn The function to mark
   */
  function markFunction( fn ) {
  	fn[ expando ] = true;
  	return fn;
  }
  
  /**
   * Support testing using an element
   * @param {Function} fn Passed the created element and returns a boolean result
   */
  function assert( fn ) {
  	var el = document.createElement("fieldset");
  
  	try {
  		return !!fn( el );
  	} catch (e) {
  		return false;
  	} finally {
  		// Remove from its parent by default
  		if ( el.parentNode ) {
  			el.parentNode.removeChild( el );
  		}
  		// release memory in IE
  		el = null;
  	}
  }
  
  /**
   * Adds the same handler for all of the specified attrs
   * @param {String} attrs Pipe-separated list of attributes
   * @param {Function} handler The method that will be applied
   */
  function addHandle( attrs, handler ) {
  	var arr = attrs.split("|"),
  		i = arr.length;
  
  	while ( i-- ) {
  		Expr.attrHandle[ arr[i] ] = handler;
  	}
  }
  
  /**
   * Checks document order of two siblings
   * @param {Element} a
   * @param {Element} b
   * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
   */
  function siblingCheck( a, b ) {
  	var cur = b && a,
  		diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
  			a.sourceIndex - b.sourceIndex;
  
  	// Use IE sourceIndex if available on both nodes
  	if ( diff ) {
  		return diff;
  	}
  
  	// Check if b follows a
  	if ( cur ) {
  		while ( (cur = cur.nextSibling) ) {
  			if ( cur === b ) {
  				return -1;
  			}
  		}
  	}
  
  	return a ? 1 : -1;
  }
  
  /**
   * Returns a function to use in pseudos for input types
   * @param {String} type
   */
  function createInputPseudo( type ) {
  	return function( elem ) {
  		var name = elem.nodeName.toLowerCase();
  		return name === "input" && elem.type === type;
  	};
  }
  
  /**
   * Returns a function to use in pseudos for buttons
   * @param {String} type
   */
  function createButtonPseudo( type ) {
  	return function( elem ) {
  		var name = elem.nodeName.toLowerCase();
  		return (name === "input" || name === "button") && elem.type === type;
  	};
  }
  
  /**
   * Returns a function to use in pseudos for :enabled/:disabled
   * @param {Boolean} disabled true for :disabled; false for :enabled
   */
  function createDisabledPseudo( disabled ) {
  
  	// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
  	return function( elem ) {
  
  		// Only certain elements can match :enabled or :disabled
  		// https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
  		// https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
  		if ( "form" in elem ) {
  
  			// Check for inherited disabledness on relevant non-disabled elements:
  			// * listed form-associated elements in a disabled fieldset
  			//   https://html.spec.whatwg.org/multipage/forms.html#category-listed
  			//   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
  			// * option elements in a disabled optgroup
  			//   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
  			// All such elements have a "form" property.
  			if ( elem.parentNode && elem.disabled === false ) {
  
  				// Option elements defer to a parent optgroup if present
  				if ( "label" in elem ) {
  					if ( "label" in elem.parentNode ) {
  						return elem.parentNode.disabled === disabled;
  					} else {
  						return elem.disabled === disabled;
  					}
  				}
  
  				// Support: IE 6 - 11
  				// Use the isDisabled shortcut property to check for disabled fieldset ancestors
  				return elem.isDisabled === disabled ||
  
  					// Where there is no isDisabled, check manually
  					/* jshint -W018 */
  					elem.isDisabled !== !disabled &&
  						inDisabledFieldset( elem ) === disabled;
  			}
  
  			return elem.disabled === disabled;
  
  		// Try to winnow out elements that can't be disabled before trusting the disabled property.
  		// Some victims get caught in our net (label, legend, menu, track), but it shouldn't
  		// even exist on them, let alone have a boolean value.
  		} else if ( "label" in elem ) {
  			return elem.disabled === disabled;
  		}
  
  		// Remaining elements are neither :enabled nor :disabled
  		return false;
  	};
  }
  
  /**
   * Returns a function to use in pseudos for positionals
   * @param {Function} fn
   */
  function createPositionalPseudo( fn ) {
  	return markFunction(function( argument ) {
  		argument = +argument;
  		return markFunction(function( seed, matches ) {
  			var j,
  				matchIndexes = fn( [], seed.length, argument ),
  				i = matchIndexes.length;
  
  			// Match elements found at the specified indexes
  			while ( i-- ) {
  				if ( seed[ (j = matchIndexes[i]) ] ) {
  					seed[j] = !(matches[j] = seed[j]);
  				}
  			}
  		});
  	});
  }
  
  /**
   * Checks a node for validity as a Sizzle context
   * @param {Element|Object=} context
   * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
   */
  function testContext( context ) {
  	return context && typeof context.getElementsByTagName !== "undefined" && context;
  }
  
  // Expose support vars for convenience
  support = Sizzle.support = {};
  
  /**
   * Detects XML nodes
   * @param {Element|Object} elem An element or a document
   * @returns {Boolean} True iff elem is a non-HTML XML node
   */
  isXML = Sizzle.isXML = function( elem ) {
  	var namespace = elem.namespaceURI,
  		docElem = (elem.ownerDocument || elem).documentElement;
  
  	// Support: IE <=8
  	// Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
  	// https://bugs.jquery.com/ticket/4833
  	return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
  };
  
  /**
   * Sets document-related variables once based on the current document
   * @param {Element|Object} [doc] An element or document object to use to set the document
   * @returns {Object} Returns the current document
   */
  setDocument = Sizzle.setDocument = function( node ) {
  	var hasCompare, subWindow,
  		doc = node ? node.ownerDocument || node : preferredDoc;
  
  	// Return early if doc is invalid or already selected
  	if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
  		return document;
  	}
  
  	// Update global variables
  	document = doc;
  	docElem = document.documentElement;
  	documentIsHTML = !isXML( document );
  
  	// Support: IE 9-11, Edge
  	// Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
  	if ( preferredDoc !== document &&
  		(subWindow = document.defaultView) && subWindow.top !== subWindow ) {
  
  		// Support: IE 11, Edge
  		if ( subWindow.addEventListener ) {
  			subWindow.addEventListener( "unload", unloadHandler, false );
  
  		// Support: IE 9 - 10 only
  		} else if ( subWindow.attachEvent ) {
  			subWindow.attachEvent( "onunload", unloadHandler );
  		}
  	}
  
  	/* Attributes
  	---------------------------------------------------------------------- */
  
  	// Support: IE<8
  	// Verify that getAttribute really returns attributes and not properties
  	// (excepting IE8 booleans)
  	support.attributes = assert(function( el ) {
  		el.className = "i";
  		return !el.getAttribute("className");
  	});
  
  	/* getElement(s)By*
  	---------------------------------------------------------------------- */
  
  	// Check if getElementsByTagName("*") returns only elements
  	support.getElementsByTagName = assert(function( el ) {
  		el.appendChild( document.createComment("") );
  		return !el.getElementsByTagName("*").length;
  	});
  
  	// Support: IE<9
  	support.getElementsByClassName = rnative.test( document.getElementsByClassName );
  
  	// Support: IE<10
  	// Check if getElementById returns elements by name
  	// The broken getElementById methods don't pick up programmatically-set names,
  	// so use a roundabout getElementsByName test
  	support.getById = assert(function( el ) {
  		docElem.appendChild( el ).id = expando;
  		return !document.getElementsByName || !document.getElementsByName( expando ).length;
  	});
  
  	// ID filter and find
  	if ( support.getById ) {
  		Expr.filter["ID"] = function( id ) {
  			var attrId = id.replace( runescape, funescape );
  			return function( elem ) {
  				return elem.getAttribute("id") === attrId;
  			};
  		};
  		Expr.find["ID"] = function( id, context ) {
  			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
  				var elem = context.getElementById( id );
  				return elem ? [ elem ] : [];
  			}
  		};
  	} else {
  		Expr.filter["ID"] =  function( id ) {
  			var attrId = id.replace( runescape, funescape );
  			return function( elem ) {
  				var node = typeof elem.getAttributeNode !== "undefined" &&
  					elem.getAttributeNode("id");
  				return node && node.value === attrId;
  			};
  		};
  
  		// Support: IE 6 - 7 only
  		// getElementById is not reliable as a find shortcut
  		Expr.find["ID"] = function( id, context ) {
  			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
  				var node, i, elems,
  					elem = context.getElementById( id );
  
  				if ( elem ) {
  
  					// Verify the id attribute
  					node = elem.getAttributeNode("id");
  					if ( node && node.value === id ) {
  						return [ elem ];
  					}
  
  					// Fall back on getElementsByName
  					elems = context.getElementsByName( id );
  					i = 0;
  					while ( (elem = elems[i++]) ) {
  						node = elem.getAttributeNode("id");
  						if ( node && node.value === id ) {
  							return [ elem ];
  						}
  					}
  				}
  
  				return [];
  			}
  		};
  	}
  
  	// Tag
  	Expr.find["TAG"] = support.getElementsByTagName ?
  		function( tag, context ) {
  			if ( typeof context.getElementsByTagName !== "undefined" ) {
  				return context.getElementsByTagName( tag );
  
  			// DocumentFragment nodes don't have gEBTN
  			} else if ( support.qsa ) {
  				return context.querySelectorAll( tag );
  			}
  		} :
  
  		function( tag, context ) {
  			var elem,
  				tmp = [],
  				i = 0,
  				// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
  				results = context.getElementsByTagName( tag );
  
  			// Filter out possible comments
  			if ( tag === "*" ) {
  				while ( (elem = results[i++]) ) {
  					if ( elem.nodeType === 1 ) {
  						tmp.push( elem );
  					}
  				}
  
  				return tmp;
  			}
  			return results;
  		};
  
  	// Class
  	Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
  		if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
  			return context.getElementsByClassName( className );
  		}
  	};
  
  	/* QSA/matchesSelector
  	---------------------------------------------------------------------- */
  
  	// QSA and matchesSelector support
  
  	// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
  	rbuggyMatches = [];
  
  	// qSa(:focus) reports false when true (Chrome 21)
  	// We allow this because of a bug in IE8/9 that throws an error
  	// whenever `document.activeElement` is accessed on an iframe
  	// So, we allow :focus to pass through QSA all the time to avoid the IE error
  	// See https://bugs.jquery.com/ticket/13378
  	rbuggyQSA = [];
  
  	if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
  		// Build QSA regex
  		// Regex strategy adopted from Diego Perini
  		assert(function( el ) {
  			// Select is set to empty string on purpose
  			// This is to test IE's treatment of not explicitly
  			// setting a boolean content attribute,
  			// since its presence should be enough
  			// https://bugs.jquery.com/ticket/12359
  			docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
  				"<select id='" + expando + "-\r\\' msallowcapture=''>" +
  				"<option selected=''></option></select>";
  
  			// Support: IE8, Opera 11-12.16
  			// Nothing should be selected when empty strings follow ^= or $= or *=
  			// The test attribute must be unknown in Opera but "safe" for WinRT
  			// https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
  			if ( el.querySelectorAll("[msallowcapture^='']").length ) {
  				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
  			}
  
  			// Support: IE8
  			// Boolean attributes and "value" are not treated correctly
  			if ( !el.querySelectorAll("[selected]").length ) {
  				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
  			}
  
  			// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
  			if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
  				rbuggyQSA.push("~=");
  			}
  
  			// Webkit/Opera - :checked should return selected option elements
  			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
  			// IE8 throws error here and will not see later tests
  			if ( !el.querySelectorAll(":checked").length ) {
  				rbuggyQSA.push(":checked");
  			}
  
  			// Support: Safari 8+, iOS 8+
  			// https://bugs.webkit.org/show_bug.cgi?id=136851
  			// In-page `selector#id sibling-combinator selector` fails
  			if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
  				rbuggyQSA.push(".#.+[+~]");
  			}
  		});
  
  		assert(function( el ) {
  			el.innerHTML = "<a href='' disabled='disabled'></a>" +
  				"<select disabled='disabled'><option/></select>";
  
  			// Support: Windows 8 Native Apps
  			// The type and name attributes are restricted during .innerHTML assignment
  			var input = document.createElement("input");
  			input.setAttribute( "type", "hidden" );
  			el.appendChild( input ).setAttribute( "name", "D" );
  
  			// Support: IE8
  			// Enforce case-sensitivity of name attribute
  			if ( el.querySelectorAll("[name=d]").length ) {
  				rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
  			}
  
  			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
  			// IE8 throws error here and will not see later tests
  			if ( el.querySelectorAll(":enabled").length !== 2 ) {
  				rbuggyQSA.push( ":enabled", ":disabled" );
  			}
  
  			// Support: IE9-11+
  			// IE's :disabled selector does not pick up the children of disabled fieldsets
  			docElem.appendChild( el ).disabled = true;
  			if ( el.querySelectorAll(":disabled").length !== 2 ) {
  				rbuggyQSA.push( ":enabled", ":disabled" );
  			}
  
  			// Opera 10-11 does not throw on post-comma invalid pseudos
  			el.querySelectorAll("*,:x");
  			rbuggyQSA.push(",.*:");
  		});
  	}
  
  	if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
  		docElem.webkitMatchesSelector ||
  		docElem.mozMatchesSelector ||
  		docElem.oMatchesSelector ||
  		docElem.msMatchesSelector) )) ) {
  
  		assert(function( el ) {
  			// Check to see if it's possible to do matchesSelector
  			// on a disconnected node (IE 9)
  			support.disconnectedMatch = matches.call( el, "*" );
  
  			// This should fail with an exception
  			// Gecko does not error, returns false instead
  			matches.call( el, "[s!='']:x" );
  			rbuggyMatches.push( "!=", pseudos );
  		});
  	}
  
  	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
  	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
  
  	/* Contains
  	---------------------------------------------------------------------- */
  	hasCompare = rnative.test( docElem.compareDocumentPosition );
  
  	// Element contains another
  	// Purposefully self-exclusive
  	// As in, an element does not contain itself
  	contains = hasCompare || rnative.test( docElem.contains ) ?
  		function( a, b ) {
  			var adown = a.nodeType === 9 ? a.documentElement : a,
  				bup = b && b.parentNode;
  			return a === bup || !!( bup && bup.nodeType === 1 && (
  				adown.contains ?
  					adown.contains( bup ) :
  					a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
  			));
  		} :
  		function( a, b ) {
  			if ( b ) {
  				while ( (b = b.parentNode) ) {
  					if ( b === a ) {
  						return true;
  					}
  				}
  			}
  			return false;
  		};
  
  	/* Sorting
  	---------------------------------------------------------------------- */
  
  	// Document order sorting
  	sortOrder = hasCompare ?
  	function( a, b ) {
  
  		// Flag for duplicate removal
  		if ( a === b ) {
  			hasDuplicate = true;
  			return 0;
  		}
  
  		// Sort on method existence if only one input has compareDocumentPosition
  		var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
  		if ( compare ) {
  			return compare;
  		}
  
  		// Calculate position if both inputs belong to the same document
  		compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
  			a.compareDocumentPosition( b ) :
  
  			// Otherwise we know they are disconnected
  			1;
  
  		// Disconnected nodes
  		if ( compare & 1 ||
  			(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
  
  			// Choose the first element that is related to our preferred document
  			if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
  				return -1;
  			}
  			if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
  				return 1;
  			}
  
  			// Maintain original order
  			return sortInput ?
  				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
  				0;
  		}
  
  		return compare & 4 ? -1 : 1;
  	} :
  	function( a, b ) {
  		// Exit early if the nodes are identical
  		if ( a === b ) {
  			hasDuplicate = true;
  			return 0;
  		}
  
  		var cur,
  			i = 0,
  			aup = a.parentNode,
  			bup = b.parentNode,
  			ap = [ a ],
  			bp = [ b ];
  
  		// Parentless nodes are either documents or disconnected
  		if ( !aup || !bup ) {
  			return a === document ? -1 :
  				b === document ? 1 :
  				aup ? -1 :
  				bup ? 1 :
  				sortInput ?
  				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
  				0;
  
  		// If the nodes are siblings, we can do a quick check
  		} else if ( aup === bup ) {
  			return siblingCheck( a, b );
  		}
  
  		// Otherwise we need full lists of their ancestors for comparison
  		cur = a;
  		while ( (cur = cur.parentNode) ) {
  			ap.unshift( cur );
  		}
  		cur = b;
  		while ( (cur = cur.parentNode) ) {
  			bp.unshift( cur );
  		}
  
  		// Walk down the tree looking for a discrepancy
  		while ( ap[i] === bp[i] ) {
  			i++;
  		}
  
  		return i ?
  			// Do a sibling check if the nodes have a common ancestor
  			siblingCheck( ap[i], bp[i] ) :
  
  			// Otherwise nodes in our document sort first
  			ap[i] === preferredDoc ? -1 :
  			bp[i] === preferredDoc ? 1 :
  			0;
  	};
  
  	return document;
  };
  
  Sizzle.matches = function( expr, elements ) {
  	return Sizzle( expr, null, null, elements );
  };
  
  Sizzle.matchesSelector = function( elem, expr ) {
  	// Set document vars if needed
  	if ( ( elem.ownerDocument || elem ) !== document ) {
  		setDocument( elem );
  	}
  
  	if ( support.matchesSelector && documentIsHTML &&
  		!nonnativeSelectorCache[ expr + " " ] &&
  		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
  		( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
  
  		try {
  			var ret = matches.call( elem, expr );
  
  			// IE 9's matchesSelector returns false on disconnected nodes
  			if ( ret || support.disconnectedMatch ||
  					// As well, disconnected nodes are said to be in a document
  					// fragment in IE 9
  					elem.document && elem.document.nodeType !== 11 ) {
  				return ret;
  			}
  		} catch (e) {
  			nonnativeSelectorCache( expr, true );
  		}
  	}
  
  	return Sizzle( expr, document, null, [ elem ] ).length > 0;
  };
  
  Sizzle.contains = function( context, elem ) {
  	// Set document vars if needed
  	if ( ( context.ownerDocument || context ) !== document ) {
  		setDocument( context );
  	}
  	return contains( context, elem );
  };
  
  Sizzle.attr = function( elem, name ) {
  	// Set document vars if needed
  	if ( ( elem.ownerDocument || elem ) !== document ) {
  		setDocument( elem );
  	}
  
  	var fn = Expr.attrHandle[ name.toLowerCase() ],
  		// Don't get fooled by Object.prototype properties (jQuery #13807)
  		val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
  			fn( elem, name, !documentIsHTML ) :
  			undefined;
  
  	return val !== undefined ?
  		val :
  		support.attributes || !documentIsHTML ?
  			elem.getAttribute( name ) :
  			(val = elem.getAttributeNode(name)) && val.specified ?
  				val.value :
  				null;
  };
  
  Sizzle.escape = function( sel ) {
  	return (sel + "").replace( rcssescape, fcssescape );
  };
  
  Sizzle.error = function( msg ) {
  	throw new Error( "Syntax error, unrecognized expression: " + msg );
  };
  
  /**
   * Document sorting and removing duplicates
   * @param {ArrayLike} results
   */
  Sizzle.uniqueSort = function( results ) {
  	var elem,
  		duplicates = [],
  		j = 0,
  		i = 0;
  
  	// Unless we *know* we can detect duplicates, assume their presence
  	hasDuplicate = !support.detectDuplicates;
  	sortInput = !support.sortStable && results.slice( 0 );
  	results.sort( sortOrder );
  
  	if ( hasDuplicate ) {
  		while ( (elem = results[i++]) ) {
  			if ( elem === results[ i ] ) {
  				j = duplicates.push( i );
  			}
  		}
  		while ( j-- ) {
  			results.splice( duplicates[ j ], 1 );
  		}
  	}
  
  	// Clear input after sorting to release objects
  	// See https://github.com/jquery/sizzle/pull/225
  	sortInput = null;
  
  	return results;
  };
  
  /**
   * Utility function for retrieving the text value of an array of DOM nodes
   * @param {Array|Element} elem
   */
  getText = Sizzle.getText = function( elem ) {
  	var node,
  		ret = "",
  		i = 0,
  		nodeType = elem.nodeType;
  
  	if ( !nodeType ) {
  		// If no nodeType, this is expected to be an array
  		while ( (node = elem[i++]) ) {
  			// Do not traverse comment nodes
  			ret += getText( node );
  		}
  	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
  		// Use textContent for elements
  		// innerText usage removed for consistency of new lines (jQuery #11153)
  		if ( typeof elem.textContent === "string" ) {
  			return elem.textContent;
  		} else {
  			// Traverse its children
  			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
  				ret += getText( elem );
  			}
  		}
  	} else if ( nodeType === 3 || nodeType === 4 ) {
  		return elem.nodeValue;
  	}
  	// Do not include comment or processing instruction nodes
  
  	return ret;
  };
  
  Expr = Sizzle.selectors = {
  
  	// Can be adjusted by the user
  	cacheLength: 50,
  
  	createPseudo: markFunction,
  
  	match: matchExpr,
  
  	attrHandle: {},
  
  	find: {},
  
  	relative: {
  		">": { dir: "parentNode", first: true },
  		" ": { dir: "parentNode" },
  		"+": { dir: "previousSibling", first: true },
  		"~": { dir: "previousSibling" }
  	},
  
  	preFilter: {
  		"ATTR": function( match ) {
  			match[1] = match[1].replace( runescape, funescape );
  
  			// Move the given value to match[3] whether quoted or unquoted
  			match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
  
  			if ( match[2] === "~=" ) {
  				match[3] = " " + match[3] + " ";
  			}
  
  			return match.slice( 0, 4 );
  		},
  
  		"CHILD": function( match ) {
  			/* matches from matchExpr["CHILD"]
  				1 type (only|nth|...)
  				2 what (child|of-type)
  				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
  				4 xn-component of xn+y argument ([+-]?\d*n|)
  				5 sign of xn-component
  				6 x of xn-component
  				7 sign of y-component
  				8 y of y-component
  			*/
  			match[1] = match[1].toLowerCase();
  
  			if ( match[1].slice( 0, 3 ) === "nth" ) {
  				// nth-* requires argument
  				if ( !match[3] ) {
  					Sizzle.error( match[0] );
  				}
  
  				// numeric x and y parameters for Expr.filter.CHILD
  				// remember that false/true cast respectively to 0/1
  				match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
  				match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
  
  			// other types prohibit arguments
  			} else if ( match[3] ) {
  				Sizzle.error( match[0] );
  			}
  
  			return match;
  		},
  
  		"PSEUDO": function( match ) {
  			var excess,
  				unquoted = !match[6] && match[2];
  
  			if ( matchExpr["CHILD"].test( match[0] ) ) {
  				return null;
  			}
  
  			// Accept quoted arguments as-is
  			if ( match[3] ) {
  				match[2] = match[4] || match[5] || "";
  
  			// Strip excess characters from unquoted arguments
  			} else if ( unquoted && rpseudo.test( unquoted ) &&
  				// Get excess from tokenize (recursively)
  				(excess = tokenize( unquoted, true )) &&
  				// advance to the next closing parenthesis
  				(excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
  
  				// excess is a negative index
  				match[0] = match[0].slice( 0, excess );
  				match[2] = unquoted.slice( 0, excess );
  			}
  
  			// Return only captures needed by the pseudo filter method (type and argument)
  			return match.slice( 0, 3 );
  		}
  	},
  
  	filter: {
  
  		"TAG": function( nodeNameSelector ) {
  			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
  			return nodeNameSelector === "*" ?
  				function() { return true; } :
  				function( elem ) {
  					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
  				};
  		},
  
  		"CLASS": function( className ) {
  			var pattern = classCache[ className + " " ];
  
  			return pattern ||
  				(pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
  				classCache( className, function( elem ) {
  					return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
  				});
  		},
  
  		"ATTR": function( name, operator, check ) {
  			return function( elem ) {
  				var result = Sizzle.attr( elem, name );
  
  				if ( result == null ) {
  					return operator === "!=";
  				}
  				if ( !operator ) {
  					return true;
  				}
  
  				result += "";
  
  				return operator === "=" ? result === check :
  					operator === "!=" ? result !== check :
  					operator === "^=" ? check && result.indexOf( check ) === 0 :
  					operator === "*=" ? check && result.indexOf( check ) > -1 :
  					operator === "$=" ? check && result.slice( -check.length ) === check :
  					operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
  					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
  					false;
  			};
  		},
  
  		"CHILD": function( type, what, argument, first, last ) {
  			var simple = type.slice( 0, 3 ) !== "nth",
  				forward = type.slice( -4 ) !== "last",
  				ofType = what === "of-type";
  
  			return first === 1 && last === 0 ?
  
  				// Shortcut for :nth-*(n)
  				function( elem ) {
  					return !!elem.parentNode;
  				} :
  
  				function( elem, context, xml ) {
  					var cache, uniqueCache, outerCache, node, nodeIndex, start,
  						dir = simple !== forward ? "nextSibling" : "previousSibling",
  						parent = elem.parentNode,
  						name = ofType && elem.nodeName.toLowerCase(),
  						useCache = !xml && !ofType,
  						diff = false;
  
  					if ( parent ) {
  
  						// :(first|last|only)-(child|of-type)
  						if ( simple ) {
  							while ( dir ) {
  								node = elem;
  								while ( (node = node[ dir ]) ) {
  									if ( ofType ?
  										node.nodeName.toLowerCase() === name :
  										node.nodeType === 1 ) {
  
  										return false;
  									}
  								}
  								// Reverse direction for :only-* (if we haven't yet done so)
  								start = dir = type === "only" && !start && "nextSibling";
  							}
  							return true;
  						}
  
  						start = [ forward ? parent.firstChild : parent.lastChild ];
  
  						// non-xml :nth-child(...) stores cache data on `parent`
  						if ( forward && useCache ) {
  
  							// Seek `elem` from a previously-cached index
  
  							// ...in a gzip-friendly way
  							node = parent;
  							outerCache = node[ expando ] || (node[ expando ] = {});
  
  							// Support: IE <9 only
  							// Defend against cloned attroperties (jQuery gh-1709)
  							uniqueCache = outerCache[ node.uniqueID ] ||
  								(outerCache[ node.uniqueID ] = {});
  
  							cache = uniqueCache[ type ] || [];
  							nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
  							diff = nodeIndex && cache[ 2 ];
  							node = nodeIndex && parent.childNodes[ nodeIndex ];
  
  							while ( (node = ++nodeIndex && node && node[ dir ] ||
  
  								// Fallback to seeking `elem` from the start
  								(diff = nodeIndex = 0) || start.pop()) ) {
  
  								// When found, cache indexes on `parent` and break
  								if ( node.nodeType === 1 && ++diff && node === elem ) {
  									uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
  									break;
  								}
  							}
  
  						} else {
  							// Use previously-cached element index if available
  							if ( useCache ) {
  								// ...in a gzip-friendly way
  								node = elem;
  								outerCache = node[ expando ] || (node[ expando ] = {});
  
  								// Support: IE <9 only
  								// Defend against cloned attroperties (jQuery gh-1709)
  								uniqueCache = outerCache[ node.uniqueID ] ||
  									(outerCache[ node.uniqueID ] = {});
  
  								cache = uniqueCache[ type ] || [];
  								nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
  								diff = nodeIndex;
  							}
  
  							// xml :nth-child(...)
  							// or :nth-last-child(...) or :nth(-last)?-of-type(...)
  							if ( diff === false ) {
  								// Use the same loop as above to seek `elem` from the start
  								while ( (node = ++nodeIndex && node && node[ dir ] ||
  									(diff = nodeIndex = 0) || start.pop()) ) {
  
  									if ( ( ofType ?
  										node.nodeName.toLowerCase() === name :
  										node.nodeType === 1 ) &&
  										++diff ) {
  
  										// Cache the index of each encountered element
  										if ( useCache ) {
  											outerCache = node[ expando ] || (node[ expando ] = {});
  
  											// Support: IE <9 only
  											// Defend against cloned attroperties (jQuery gh-1709)
  											uniqueCache = outerCache[ node.uniqueID ] ||
  												(outerCache[ node.uniqueID ] = {});
  
  											uniqueCache[ type ] = [ dirruns, diff ];
  										}
  
  										if ( node === elem ) {
  											break;
  										}
  									}
  								}
  							}
  						}
  
  						// Incorporate the offset, then check against cycle size
  						diff -= last;
  						return diff === first || ( diff % first === 0 && diff / first >= 0 );
  					}
  				};
  		},
  
  		"PSEUDO": function( pseudo, argument ) {
  			// pseudo-class names are case-insensitive
  			// http://www.w3.org/TR/selectors/#pseudo-classes
  			// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
  			// Remember that setFilters inherits from pseudos
  			var args,
  				fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
  					Sizzle.error( "unsupported pseudo: " + pseudo );
  
  			// The user may use createPseudo to indicate that
  			// arguments are needed to create the filter function
  			// just as Sizzle does
  			if ( fn[ expando ] ) {
  				return fn( argument );
  			}
  
  			// But maintain support for old signatures
  			if ( fn.length > 1 ) {
  				args = [ pseudo, pseudo, "", argument ];
  				return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
  					markFunction(function( seed, matches ) {
  						var idx,
  							matched = fn( seed, argument ),
  							i = matched.length;
  						while ( i-- ) {
  							idx = indexOf( seed, matched[i] );
  							seed[ idx ] = !( matches[ idx ] = matched[i] );
  						}
  					}) :
  					function( elem ) {
  						return fn( elem, 0, args );
  					};
  			}
  
  			return fn;
  		}
  	},
  
  	pseudos: {
  		// Potentially complex pseudos
  		"not": markFunction(function( selector ) {
  			// Trim the selector passed to compile
  			// to avoid treating leading and trailing
  			// spaces as combinators
  			var input = [],
  				results = [],
  				matcher = compile( selector.replace( rtrim, "$1" ) );
  
  			return matcher[ expando ] ?
  				markFunction(function( seed, matches, context, xml ) {
  					var elem,
  						unmatched = matcher( seed, null, xml, [] ),
  						i = seed.length;
  
  					// Match elements unmatched by `matcher`
  					while ( i-- ) {
  						if ( (elem = unmatched[i]) ) {
  							seed[i] = !(matches[i] = elem);
  						}
  					}
  				}) :
  				function( elem, context, xml ) {
  					input[0] = elem;
  					matcher( input, null, xml, results );
  					// Don't keep the element (issue #299)
  					input[0] = null;
  					return !results.pop();
  				};
  		}),
  
  		"has": markFunction(function( selector ) {
  			return function( elem ) {
  				return Sizzle( selector, elem ).length > 0;
  			};
  		}),
  
  		"contains": markFunction(function( text ) {
  			text = text.replace( runescape, funescape );
  			return function( elem ) {
  				return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
  			};
  		}),
  
  		// "Whether an element is represented by a :lang() selector
  		// is based solely on the element's language value
  		// being equal to the identifier C,
  		// or beginning with the identifier C immediately followed by "-".
  		// The matching of C against the element's language value is performed case-insensitively.
  		// The identifier C does not have to be a valid language name."
  		// http://www.w3.org/TR/selectors/#lang-pseudo
  		"lang": markFunction( function( lang ) {
  			// lang value must be a valid identifier
  			if ( !ridentifier.test(lang || "") ) {
  				Sizzle.error( "unsupported lang: " + lang );
  			}
  			lang = lang.replace( runescape, funescape ).toLowerCase();
  			return function( elem ) {
  				var elemLang;
  				do {
  					if ( (elemLang = documentIsHTML ?
  						elem.lang :
  						elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
  
  						elemLang = elemLang.toLowerCase();
  						return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
  					}
  				} while ( (elem = elem.parentNode) && elem.nodeType === 1 );
  				return false;
  			};
  		}),
  
  		// Miscellaneous
  		"target": function( elem ) {
  			var hash = window.location && window.location.hash;
  			return hash && hash.slice( 1 ) === elem.id;
  		},
  
  		"root": function( elem ) {
  			return elem === docElem;
  		},
  
  		"focus": function( elem ) {
  			return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
  		},
  
  		// Boolean properties
  		"enabled": createDisabledPseudo( false ),
  		"disabled": createDisabledPseudo( true ),
  
  		"checked": function( elem ) {
  			// In CSS3, :checked should return both checked and selected elements
  			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
  			var nodeName = elem.nodeName.toLowerCase();
  			return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
  		},
  
  		"selected": function( elem ) {
  			// Accessing this property makes selected-by-default
  			// options in Safari work properly
  			if ( elem.parentNode ) {
  				elem.parentNode.selectedIndex;
  			}
  
  			return elem.selected === true;
  		},
  
  		// Contents
  		"empty": function( elem ) {
  			// http://www.w3.org/TR/selectors/#empty-pseudo
  			// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
  			//   but not by others (comment: 8; processing instruction: 7; etc.)
  			// nodeType < 6 works because attributes (2) do not appear as children
  			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
  				if ( elem.nodeType < 6 ) {
  					return false;
  				}
  			}
  			return true;
  		},
  
  		"parent": function( elem ) {
  			return !Expr.pseudos["empty"]( elem );
  		},
  
  		// Element/input types
  		"header": function( elem ) {
  			return rheader.test( elem.nodeName );
  		},
  
  		"input": function( elem ) {
  			return rinputs.test( elem.nodeName );
  		},
  
  		"button": function( elem ) {
  			var name = elem.nodeName.toLowerCase();
  			return name === "input" && elem.type === "button" || name === "button";
  		},
  
  		"text": function( elem ) {
  			var attr;
  			return elem.nodeName.toLowerCase() === "input" &&
  				elem.type === "text" &&
  
  				// Support: IE<8
  				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
  				( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
  		},
  
  		// Position-in-collection
  		"first": createPositionalPseudo(function() {
  			return [ 0 ];
  		}),
  
  		"last": createPositionalPseudo(function( matchIndexes, length ) {
  			return [ length - 1 ];
  		}),
  
  		"eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
  			return [ argument < 0 ? argument + length : argument ];
  		}),
  
  		"even": createPositionalPseudo(function( matchIndexes, length ) {
  			var i = 0;
  			for ( ; i < length; i += 2 ) {
  				matchIndexes.push( i );
  			}
  			return matchIndexes;
  		}),
  
  		"odd": createPositionalPseudo(function( matchIndexes, length ) {
  			var i = 1;
  			for ( ; i < length; i += 2 ) {
  				matchIndexes.push( i );
  			}
  			return matchIndexes;
  		}),
  
  		"lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
  			var i = argument < 0 ?
  				argument + length :
  				argument > length ?
  					length :
  					argument;
  			for ( ; --i >= 0; ) {
  				matchIndexes.push( i );
  			}
  			return matchIndexes;
  		}),
  
  		"gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
  			var i = argument < 0 ? argument + length : argument;
  			for ( ; ++i < length; ) {
  				matchIndexes.push( i );
  			}
  			return matchIndexes;
  		})
  	}
  };
  
  Expr.pseudos["nth"] = Expr.pseudos["eq"];
  
  // Add button/input type pseudos
  for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
  	Expr.pseudos[ i ] = createInputPseudo( i );
  }
  for ( i in { submit: true, reset: true } ) {
  	Expr.pseudos[ i ] = createButtonPseudo( i );
  }
  
  // Easy API for creating new setFilters
  function setFilters() {}
  setFilters.prototype = Expr.filters = Expr.pseudos;
  Expr.setFilters = new setFilters();
  
  tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
  	var matched, match, tokens, type,
  		soFar, groups, preFilters,
  		cached = tokenCache[ selector + " " ];
  
  	if ( cached ) {
  		return parseOnly ? 0 : cached.slice( 0 );
  	}
  
  	soFar = selector;
  	groups = [];
  	preFilters = Expr.preFilter;
  
  	while ( soFar ) {
  
  		// Comma and first run
  		if ( !matched || (match = rcomma.exec( soFar )) ) {
  			if ( match ) {
  				// Don't consume trailing commas as valid
  				soFar = soFar.slice( match[0].length ) || soFar;
  			}
  			groups.push( (tokens = []) );
  		}
  
  		matched = false;
  
  		// Combinators
  		if ( (match = rcombinators.exec( soFar )) ) {
  			matched = match.shift();
  			tokens.push({
  				value: matched,
  				// Cast descendant combinators to space
  				type: match[0].replace( rtrim, " " )
  			});
  			soFar = soFar.slice( matched.length );
  		}
  
  		// Filters
  		for ( type in Expr.filter ) {
  			if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
  				(match = preFilters[ type ]( match ))) ) {
  				matched = match.shift();
  				tokens.push({
  					value: matched,
  					type: type,
  					matches: match
  				});
  				soFar = soFar.slice( matched.length );
  			}
  		}
  
  		if ( !matched ) {
  			break;
  		}
  	}
  
  	// Return the length of the invalid excess
  	// if we're just parsing
  	// Otherwise, throw an error or return tokens
  	return parseOnly ?
  		soFar.length :
  		soFar ?
  			Sizzle.error( selector ) :
  			// Cache the tokens
  			tokenCache( selector, groups ).slice( 0 );
  };
  
  function toSelector( tokens ) {
  	var i = 0,
  		len = tokens.length,
  		selector = "";
  	for ( ; i < len; i++ ) {
  		selector += tokens[i].value;
  	}
  	return selector;
  }
  
  function addCombinator( matcher, combinator, base ) {
  	var dir = combinator.dir,
  		skip = combinator.next,
  		key = skip || dir,
  		checkNonElements = base && key === "parentNode",
  		doneName = done++;
  
  	return combinator.first ?
  		// Check against closest ancestor/preceding element
  		function( elem, context, xml ) {
  			while ( (elem = elem[ dir ]) ) {
  				if ( elem.nodeType === 1 || checkNonElements ) {
  					return matcher( elem, context, xml );
  				}
  			}
  			return false;
  		} :
  
  		// Check against all ancestor/preceding elements
  		function( elem, context, xml ) {
  			var oldCache, uniqueCache, outerCache,
  				newCache = [ dirruns, doneName ];
  
  			// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
  			if ( xml ) {
  				while ( (elem = elem[ dir ]) ) {
  					if ( elem.nodeType === 1 || checkNonElements ) {
  						if ( matcher( elem, context, xml ) ) {
  							return true;
  						}
  					}
  				}
  			} else {
  				while ( (elem = elem[ dir ]) ) {
  					if ( elem.nodeType === 1 || checkNonElements ) {
  						outerCache = elem[ expando ] || (elem[ expando ] = {});
  
  						// Support: IE <9 only
  						// Defend against cloned attroperties (jQuery gh-1709)
  						uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
  
  						if ( skip && skip === elem.nodeName.toLowerCase() ) {
  							elem = elem[ dir ] || elem;
  						} else if ( (oldCache = uniqueCache[ key ]) &&
  							oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
  
  							// Assign to newCache so results back-propagate to previous elements
  							return (newCache[ 2 ] = oldCache[ 2 ]);
  						} else {
  							// Reuse newcache so results back-propagate to previous elements
  							uniqueCache[ key ] = newCache;
  
  							// A match means we're done; a fail means we have to keep checking
  							if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
  								return true;
  							}
  						}
  					}
  				}
  			}
  			return false;
  		};
  }
  
  function elementMatcher( matchers ) {
  	return matchers.length > 1 ?
  		function( elem, context, xml ) {
  			var i = matchers.length;
  			while ( i-- ) {
  				if ( !matchers[i]( elem, context, xml ) ) {
  					return false;
  				}
  			}
  			return true;
  		} :
  		matchers[0];
  }
  
  function multipleContexts( selector, contexts, results ) {
  	var i = 0,
  		len = contexts.length;
  	for ( ; i < len; i++ ) {
  		Sizzle( selector, contexts[i], results );
  	}
  	return results;
  }
  
  function condense( unmatched, map, filter, context, xml ) {
  	var elem,
  		newUnmatched = [],
  		i = 0,
  		len = unmatched.length,
  		mapped = map != null;
  
  	for ( ; i < len; i++ ) {
  		if ( (elem = unmatched[i]) ) {
  			if ( !filter || filter( elem, context, xml ) ) {
  				newUnmatched.push( elem );
  				if ( mapped ) {
  					map.push( i );
  				}
  			}
  		}
  	}
  
  	return newUnmatched;
  }
  
  function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
  	if ( postFilter && !postFilter[ expando ] ) {
  		postFilter = setMatcher( postFilter );
  	}
  	if ( postFinder && !postFinder[ expando ] ) {
  		postFinder = setMatcher( postFinder, postSelector );
  	}
  	return markFunction(function( seed, results, context, xml ) {
  		var temp, i, elem,
  			preMap = [],
  			postMap = [],
  			preexisting = results.length,
  
  			// Get initial elements from seed or context
  			elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
  
  			// Prefilter to get matcher input, preserving a map for seed-results synchronization
  			matcherIn = preFilter && ( seed || !selector ) ?
  				condense( elems, preMap, preFilter, context, xml ) :
  				elems,
  
  			matcherOut = matcher ?
  				// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
  				postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
  
  					// ...intermediate processing is necessary
  					[] :
  
  					// ...otherwise use results directly
  					results :
  				matcherIn;
  
  		// Find primary matches
  		if ( matcher ) {
  			matcher( matcherIn, matcherOut, context, xml );
  		}
  
  		// Apply postFilter
  		if ( postFilter ) {
  			temp = condense( matcherOut, postMap );
  			postFilter( temp, [], context, xml );
  
  			// Un-match failing elements by moving them back to matcherIn
  			i = temp.length;
  			while ( i-- ) {
  				if ( (elem = temp[i]) ) {
  					matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
  				}
  			}
  		}
  
  		if ( seed ) {
  			if ( postFinder || preFilter ) {
  				if ( postFinder ) {
  					// Get the final matcherOut by condensing this intermediate into postFinder contexts
  					temp = [];
  					i = matcherOut.length;
  					while ( i-- ) {
  						if ( (elem = matcherOut[i]) ) {
  							// Restore matcherIn since elem is not yet a final match
  							temp.push( (matcherIn[i] = elem) );
  						}
  					}
  					postFinder( null, (matcherOut = []), temp, xml );
  				}
  
  				// Move matched elements from seed to results to keep them synchronized
  				i = matcherOut.length;
  				while ( i-- ) {
  					if ( (elem = matcherOut[i]) &&
  						(temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
  
  						seed[temp] = !(results[temp] = elem);
  					}
  				}
  			}
  
  		// Add elements to results, through postFinder if defined
  		} else {
  			matcherOut = condense(
  				matcherOut === results ?
  					matcherOut.splice( preexisting, matcherOut.length ) :
  					matcherOut
  			);
  			if ( postFinder ) {
  				postFinder( null, results, matcherOut, xml );
  			} else {
  				push.apply( results, matcherOut );
  			}
  		}
  	});
  }
  
  function matcherFromTokens( tokens ) {
  	var checkContext, matcher, j,
  		len = tokens.length,
  		leadingRelative = Expr.relative[ tokens[0].type ],
  		implicitRelative = leadingRelative || Expr.relative[" "],
  		i = leadingRelative ? 1 : 0,
  
  		// The foundational matcher ensures that elements are reachable from top-level context(s)
  		matchContext = addCombinator( function( elem ) {
  			return elem === checkContext;
  		}, implicitRelative, true ),
  		matchAnyContext = addCombinator( function( elem ) {
  			return indexOf( checkContext, elem ) > -1;
  		}, implicitRelative, true ),
  		matchers = [ function( elem, context, xml ) {
  			var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
  				(checkContext = context).nodeType ?
  					matchContext( elem, context, xml ) :
  					matchAnyContext( elem, context, xml ) );
  			// Avoid hanging onto element (issue #299)
  			checkContext = null;
  			return ret;
  		} ];
  
  	for ( ; i < len; i++ ) {
  		if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
  			matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
  		} else {
  			matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
  
  			// Return special upon seeing a positional matcher
  			if ( matcher[ expando ] ) {
  				// Find the next relative operator (if any) for proper handling
  				j = ++i;
  				for ( ; j < len; j++ ) {
  					if ( Expr.relative[ tokens[j].type ] ) {
  						break;
  					}
  				}
  				return setMatcher(
  					i > 1 && elementMatcher( matchers ),
  					i > 1 && toSelector(
  						// If the preceding token was a descendant combinator, insert an implicit any-element `*`
  						tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
  					).replace( rtrim, "$1" ),
  					matcher,
  					i < j && matcherFromTokens( tokens.slice( i, j ) ),
  					j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
  					j < len && toSelector( tokens )
  				);
  			}
  			matchers.push( matcher );
  		}
  	}
  
  	return elementMatcher( matchers );
  }
  
  function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
  	var bySet = setMatchers.length > 0,
  		byElement = elementMatchers.length > 0,
  		superMatcher = function( seed, context, xml, results, outermost ) {
  			var elem, j, matcher,
  				matchedCount = 0,
  				i = "0",
  				unmatched = seed && [],
  				setMatched = [],
  				contextBackup = outermostContext,
  				// We must always have either seed elements or outermost context
  				elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
  				// Use integer dirruns iff this is the outermost matcher
  				dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
  				len = elems.length;
  
  			if ( outermost ) {
  				outermostContext = context === document || context || outermost;
  			}
  
  			// Add elements passing elementMatchers directly to results
  			// Support: IE<9, Safari
  			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
  			for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
  				if ( byElement && elem ) {
  					j = 0;
  					if ( !context && elem.ownerDocument !== document ) {
  						setDocument( elem );
  						xml = !documentIsHTML;
  					}
  					while ( (matcher = elementMatchers[j++]) ) {
  						if ( matcher( elem, context || document, xml) ) {
  							results.push( elem );
  							break;
  						}
  					}
  					if ( outermost ) {
  						dirruns = dirrunsUnique;
  					}
  				}
  
  				// Track unmatched elements for set filters
  				if ( bySet ) {
  					// They will have gone through all possible matchers
  					if ( (elem = !matcher && elem) ) {
  						matchedCount--;
  					}
  
  					// Lengthen the array for every element, matched or not
  					if ( seed ) {
  						unmatched.push( elem );
  					}
  				}
  			}
  
  			// `i` is now the count of elements visited above, and adding it to `matchedCount`
  			// makes the latter nonnegative.
  			matchedCount += i;
  
  			// Apply set filters to unmatched elements
  			// NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
  			// equals `i`), unless we didn't visit _any_ elements in the above loop because we have
  			// no element matchers and no seed.
  			// Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
  			// case, which will result in a "00" `matchedCount` that differs from `i` but is also
  			// numerically zero.
  			if ( bySet && i !== matchedCount ) {
  				j = 0;
  				while ( (matcher = setMatchers[j++]) ) {
  					matcher( unmatched, setMatched, context, xml );
  				}
  
  				if ( seed ) {
  					// Reintegrate element matches to eliminate the need for sorting
  					if ( matchedCount > 0 ) {
  						while ( i-- ) {
  							if ( !(unmatched[i] || setMatched[i]) ) {
  								setMatched[i] = pop.call( results );
  							}
  						}
  					}
  
  					// Discard index placeholder values to get only actual matches
  					setMatched = condense( setMatched );
  				}
  
  				// Add matches to results
  				push.apply( results, setMatched );
  
  				// Seedless set matches succeeding multiple successful matchers stipulate sorting
  				if ( outermost && !seed && setMatched.length > 0 &&
  					( matchedCount + setMatchers.length ) > 1 ) {
  
  					Sizzle.uniqueSort( results );
  				}
  			}
  
  			// Override manipulation of globals by nested matchers
  			if ( outermost ) {
  				dirruns = dirrunsUnique;
  				outermostContext = contextBackup;
  			}
  
  			return unmatched;
  		};
  
  	return bySet ?
  		markFunction( superMatcher ) :
  		superMatcher;
  }
  
  compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
  	var i,
  		setMatchers = [],
  		elementMatchers = [],
  		cached = compilerCache[ selector + " " ];
  
  	if ( !cached ) {
  		// Generate a function of recursive functions that can be used to check each element
  		if ( !match ) {
  			match = tokenize( selector );
  		}
  		i = match.length;
  		while ( i-- ) {
  			cached = matcherFromTokens( match[i] );
  			if ( cached[ expando ] ) {
  				setMatchers.push( cached );
  			} else {
  				elementMatchers.push( cached );
  			}
  		}
  
  		// Cache the compiled function
  		cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
  
  		// Save selector and tokenization
  		cached.selector = selector;
  	}
  	return cached;
  };
  
  /**
   * A low-level selection function that works with Sizzle's compiled
   *  selector functions
   * @param {String|Function} selector A selector or a pre-compiled
   *  selector function built with Sizzle.compile
   * @param {Element} context
   * @param {Array} [results]
   * @param {Array} [seed] A set of elements to match against
   */
  select = Sizzle.select = function( selector, context, results, seed ) {
  	var i, tokens, token, type, find,
  		compiled = typeof selector === "function" && selector,
  		match = !seed && tokenize( (selector = compiled.selector || selector) );
  
  	results = results || [];
  
  	// Try to minimize operations if there is only one selector in the list and no seed
  	// (the latter of which guarantees us context)
  	if ( match.length === 1 ) {
  
  		// Reduce context if the leading compound selector is an ID
  		tokens = match[0] = match[0].slice( 0 );
  		if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
  				context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
  
  			context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
  			if ( !context ) {
  				return results;
  
  			// Precompiled matchers will still verify ancestry, so step up a level
  			} else if ( compiled ) {
  				context = context.parentNode;
  			}
  
  			selector = selector.slice( tokens.shift().value.length );
  		}
  
  		// Fetch a seed set for right-to-left matching
  		i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
  		while ( i-- ) {
  			token = tokens[i];
  
  			// Abort if we hit a combinator
  			if ( Expr.relative[ (type = token.type) ] ) {
  				break;
  			}
  			if ( (find = Expr.find[ type ]) ) {
  				// Search, expanding context for leading sibling combinators
  				if ( (seed = find(
  					token.matches[0].replace( runescape, funescape ),
  					rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
  				)) ) {
  
  					// If seed is empty or no tokens remain, we can return early
  					tokens.splice( i, 1 );
  					selector = seed.length && toSelector( tokens );
  					if ( !selector ) {
  						push.apply( results, seed );
  						return results;
  					}
  
  					break;
  				}
  			}
  		}
  	}
  
  	// Compile and execute a filtering function if one is not provided
  	// Provide `match` to avoid retokenization if we modified the selector above
  	( compiled || compile( selector, match ) )(
  		seed,
  		context,
  		!documentIsHTML,
  		results,
  		!context || rsibling.test( selector ) && testContext( context.parentNode ) || context
  	);
  	return results;
  };
  
  // One-time assignments
  
  // Sort stability
  support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
  
  // Support: Chrome 14-35+
  // Always assume duplicates if they aren't passed to the comparison function
  support.detectDuplicates = !!hasDuplicate;
  
  // Initialize against the default document
  setDocument();
  
  // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
  // Detached nodes confoundingly follow *each other*
  support.sortDetached = assert(function( el ) {
  	// Should return 1, but returns 4 (following)
  	return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
  });
  
  // Support: IE<8
  // Prevent attribute/property "interpolation"
  // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
  if ( !assert(function( el ) {
  	el.innerHTML = "<a href='#'></a>";
  	return el.firstChild.getAttribute("href") === "#" ;
  }) ) {
  	addHandle( "type|href|height|width", function( elem, name, isXML ) {
  		if ( !isXML ) {
  			return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
  		}
  	});
  }
  
  // Support: IE<9
  // Use defaultValue in place of getAttribute("value")
  if ( !support.attributes || !assert(function( el ) {
  	el.innerHTML = "<input/>";
  	el.firstChild.setAttribute( "value", "" );
  	return el.firstChild.getAttribute( "value" ) === "";
  }) ) {
  	addHandle( "value", function( elem, name, isXML ) {
  		if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
  			return elem.defaultValue;
  		}
  	});
  }
  
  // Support: IE<9
  // Use getAttributeNode to fetch booleans when getAttribute lies
  if ( !assert(function( el ) {
  	return el.getAttribute("disabled") == null;
  }) ) {
  	addHandle( booleans, function( elem, name, isXML ) {
  		var val;
  		if ( !isXML ) {
  			return elem[ name ] === true ? name.toLowerCase() :
  					(val = elem.getAttributeNode( name )) && val.specified ?
  					val.value :
  				null;
  		}
  	});
  }
  
  return Sizzle;
  
  })( window );
  
  
  
  jQuery.find = Sizzle;
  jQuery.expr = Sizzle.selectors;
  
  // Deprecated
  jQuery.expr[ ":" ] = jQuery.expr.pseudos;
  jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
  jQuery.text = Sizzle.getText;
  jQuery.isXMLDoc = Sizzle.isXML;
  jQuery.contains = Sizzle.contains;
  jQuery.escapeSelector = Sizzle.escape;
  
  
  
  
  var dir = function( elem, dir, until ) {
  	var matched = [],
  		truncate = until !== undefined;
  
  	while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
  		if ( elem.nodeType === 1 ) {
  			if ( truncate && jQuery( elem ).is( until ) ) {
  				break;
  			}
  			matched.push( elem );
  		}
  	}
  	return matched;
  };
  
  
  var siblings = function( n, elem ) {
  	var matched = [];
  
  	for ( ; n; n = n.nextSibling ) {
  		if ( n.nodeType === 1 && n !== elem ) {
  			matched.push( n );
  		}
  	}
  
  	return matched;
  };
  
  
  var rneedsContext = jQuery.expr.match.needsContext;
  
  
  
  function nodeName( elem, name ) {
  
    return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
  
  };
  var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
  
  
  
  // Implement the identical functionality for filter and not
  function winnow( elements, qualifier, not ) {
  	if ( isFunction( qualifier ) ) {
  		return jQuery.grep( elements, function( elem, i ) {
  			return !!qualifier.call( elem, i, elem ) !== not;
  		} );
  	}
  
  	// Single element
  	if ( qualifier.nodeType ) {
  		return jQuery.grep( elements, function( elem ) {
  			return ( elem === qualifier ) !== not;
  		} );
  	}
  
  	// Arraylike of elements (jQuery, arguments, Array)
  	if ( typeof qualifier !== "string" ) {
  		return jQuery.grep( elements, function( elem ) {
  			return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
  		} );
  	}
  
  	// Filtered directly for both simple and complex selectors
  	return jQuery.filter( qualifier, elements, not );
  }
  
  jQuery.filter = function( expr, elems, not ) {
  	var elem = elems[ 0 ];
  
  	if ( not ) {
  		expr = ":not(" + expr + ")";
  	}
  
  	if ( elems.length === 1 && elem.nodeType === 1 ) {
  		return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
  	}
  
  	return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
  		return elem.nodeType === 1;
  	} ) );
  };
  
  jQuery.fn.extend( {
  	find: function( selector ) {
  		var i, ret,
  			len = this.length,
  			self = this;
  
  		if ( typeof selector !== "string" ) {
  			return this.pushStack( jQuery( selector ).filter( function() {
  				for ( i = 0; i < len; i++ ) {
  					if ( jQuery.contains( self[ i ], this ) ) {
  						return true;
  					}
  				}
  			} ) );
  		}
  
  		ret = this.pushStack( [] );
  
  		for ( i = 0; i < len; i++ ) {
  			jQuery.find( selector, self[ i ], ret );
  		}
  
  		return len > 1 ? jQuery.uniqueSort( ret ) : ret;
  	},
  	filter: function( selector ) {
  		return this.pushStack( winnow( this, selector || [], false ) );
  	},
  	not: function( selector ) {
  		return this.pushStack( winnow( this, selector || [], true ) );
  	},
  	is: function( selector ) {
  		return !!winnow(
  			this,
  
  			// If this is a positional/relative selector, check membership in the returned set
  			// so $("p:first").is("p:last") won't return true for a doc with two "p".
  			typeof selector === "string" && rneedsContext.test( selector ) ?
  				jQuery( selector ) :
  				selector || [],
  			false
  		).length;
  	}
  } );
  
  
  // Initialize a jQuery object
  
  
  // A central reference to the root jQuery(document)
  var rootjQuery,
  
  	// A simple way to check for HTML strings
  	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
  	// Strict HTML recognition (#11290: must start with <)
  	// Shortcut simple #id case for speed
  	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
  
  	init = jQuery.fn.init = function( selector, context, root ) {
  		var match, elem;
  
  		// HANDLE: $(""), $(null), $(undefined), $(false)
  		if ( !selector ) {
  			return this;
  		}
  
  		// Method init() accepts an alternate rootjQuery
  		// so migrate can support jQuery.sub (gh-2101)
  		root = root || rootjQuery;
  
  		// Handle HTML strings
  		if ( typeof selector === "string" ) {
  			if ( selector[ 0 ] === "<" &&
  				selector[ selector.length - 1 ] === ">" &&
  				selector.length >= 3 ) {
  
  				// Assume that strings that start and end with <> are HTML and skip the regex check
  				match = [ null, selector, null ];
  
  			} else {
  				match = rquickExpr.exec( selector );
  			}
  
  			// Match html or make sure no context is specified for #id
  			if ( match && ( match[ 1 ] || !context ) ) {
  
  				// HANDLE: $(html) -> $(array)
  				if ( match[ 1 ] ) {
  					context = context instanceof jQuery ? context[ 0 ] : context;
  
  					// Option to run scripts is true for back-compat
  					// Intentionally let the error be thrown if parseHTML is not present
  					jQuery.merge( this, jQuery.parseHTML(
  						match[ 1 ],
  						context && context.nodeType ? context.ownerDocument || context : document,
  						true
  					) );
  
  					// HANDLE: $(html, props)
  					if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
  						for ( match in context ) {
  
  							// Properties of context are called as methods if possible
  							if ( isFunction( this[ match ] ) ) {
  								this[ match ]( context[ match ] );
  
  							// ...and otherwise set as attributes
  							} else {
  								this.attr( match, context[ match ] );
  							}
  						}
  					}
  
  					return this;
  
  				// HANDLE: $(#id)
  				} else {
  					elem = document.getElementById( match[ 2 ] );
  
  					if ( elem ) {
  
  						// Inject the element directly into the jQuery object
  						this[ 0 ] = elem;
  						this.length = 1;
  					}
  					return this;
  				}
  
  			// HANDLE: $(expr, $(...))
  			} else if ( !context || context.jquery ) {
  				return ( context || root ).find( selector );
  
  			// HANDLE: $(expr, context)
  			// (which is just equivalent to: $(context).find(expr)
  			} else {
  				return this.constructor( context ).find( selector );
  			}
  
  		// HANDLE: $(DOMElement)
  		} else if ( selector.nodeType ) {
  			this[ 0 ] = selector;
  			this.length = 1;
  			return this;
  
  		// HANDLE: $(function)
  		// Shortcut for document ready
  		} else if ( isFunction( selector ) ) {
  			return root.ready !== undefined ?
  				root.ready( selector ) :
  
  				// Execute immediately if ready is not present
  				selector( jQuery );
  		}
  
  		return jQuery.makeArray( selector, this );
  	};
  
  // Give the init function the jQuery prototype for later instantiation
  init.prototype = jQuery.fn;
  
  // Initialize central reference
  rootjQuery = jQuery( document );
  
  
  var rparentsprev = /^(?:parents|prev(?:Until|All))/,
  
  	// Methods guaranteed to produce a unique set when starting from a unique set
  	guaranteedUnique = {
  		children: true,
  		contents: true,
  		next: true,
  		prev: true
  	};
  
  jQuery.fn.extend( {
  	has: function( target ) {
  		var targets = jQuery( target, this ),
  			l = targets.length;
  
  		return this.filter( function() {
  			var i = 0;
  			for ( ; i < l; i++ ) {
  				if ( jQuery.contains( this, targets[ i ] ) ) {
  					return true;
  				}
  			}
  		} );
  	},
  
  	closest: function( selectors, context ) {
  		var cur,
  			i = 0,
  			l = this.length,
  			matched = [],
  			targets = typeof selectors !== "string" && jQuery( selectors );
  
  		// Positional selectors never match, since there's no _selection_ context
  		if ( !rneedsContext.test( selectors ) ) {
  			for ( ; i < l; i++ ) {
  				for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
  
  					// Always skip document fragments
  					if ( cur.nodeType < 11 && ( targets ?
  						targets.index( cur ) > -1 :
  
  						// Don't pass non-elements to Sizzle
  						cur.nodeType === 1 &&
  							jQuery.find.matchesSelector( cur, selectors ) ) ) {
  
  						matched.push( cur );
  						break;
  					}
  				}
  			}
  		}
  
  		return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
  	},
  
  	// Determine the position of an element within the set
  	index: function( elem ) {
  
  		// No argument, return index in parent
  		if ( !elem ) {
  			return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
  		}
  
  		// Index in selector
  		if ( typeof elem === "string" ) {
  			return indexOf.call( jQuery( elem ), this[ 0 ] );
  		}
  
  		// Locate the position of the desired element
  		return indexOf.call( this,
  
  			// If it receives a jQuery object, the first element is used
  			elem.jquery ? elem[ 0 ] : elem
  		);
  	},
  
  	add: function( selector, context ) {
  		return this.pushStack(
  			jQuery.uniqueSort(
  				jQuery.merge( this.get(), jQuery( selector, context ) )
  			)
  		);
  	},
  
  	addBack: function( selector ) {
  		return this.add( selector == null ?
  			this.prevObject : this.prevObject.filter( selector )
  		);
  	}
  } );
  
  function sibling( cur, dir ) {
  	while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
  	return cur;
  }
  
  jQuery.each( {
  	parent: function( elem ) {
  		var parent = elem.parentNode;
  		return parent && parent.nodeType !== 11 ? parent : null;
  	},
  	parents: function( elem ) {
  		return dir( elem, "parentNode" );
  	},
  	parentsUntil: function( elem, i, until ) {
  		return dir( elem, "parentNode", until );
  	},
  	next: function( elem ) {
  		return sibling( elem, "nextSibling" );
  	},
  	prev: function( elem ) {
  		return sibling( elem, "previousSibling" );
  	},
  	nextAll: function( elem ) {
  		return dir( elem, "nextSibling" );
  	},
  	prevAll: function( elem ) {
  		return dir( elem, "previousSibling" );
  	},
  	nextUntil: function( elem, i, until ) {
  		return dir( elem, "nextSibling", until );
  	},
  	prevUntil: function( elem, i, until ) {
  		return dir( elem, "previousSibling", until );
  	},
  	siblings: function( elem ) {
  		return siblings( ( elem.parentNode || {} ).firstChild, elem );
  	},
  	children: function( elem ) {
  		return siblings( elem.firstChild );
  	},
  	contents: function( elem ) {
  		if ( typeof elem.contentDocument !== "undefined" ) {
  			return elem.contentDocument;
  		}
  
  		// Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
  		// Treat the template element as a regular one in browsers that
  		// don't support it.
  		if ( nodeName( elem, "template" ) ) {
  			elem = elem.content || elem;
  		}
  
  		return jQuery.merge( [], elem.childNodes );
  	}
  }, function( name, fn ) {
  	jQuery.fn[ name ] = function( until, selector ) {
  		var matched = jQuery.map( this, fn, until );
  
  		if ( name.slice( -5 ) !== "Until" ) {
  			selector = until;
  		}
  
  		if ( selector && typeof selector === "string" ) {
  			matched = jQuery.filter( selector, matched );
  		}
  
  		if ( this.length > 1 ) {
  
  			// Remove duplicates
  			if ( !guaranteedUnique[ name ] ) {
  				jQuery.uniqueSort( matched );
  			}
  
  			// Reverse order for parents* and prev-derivatives
  			if ( rparentsprev.test( name ) ) {
  				matched.reverse();
  			}
  		}
  
  		return this.pushStack( matched );
  	};
  } );
  var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
  
  
  
  // Convert String-formatted options into Object-formatted ones
  function createOptions( options ) {
  	var object = {};
  	jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
  		object[ flag ] = true;
  	} );
  	return object;
  }
  
  /*
   * Create a callback list using the following parameters:
   *
   *	options: an optional list of space-separated options that will change how
   *			the callback list behaves or a more traditional option object
   *
   * By default a callback list will act like an event callback list and can be
   * "fired" multiple times.
   *
   * Possible options:
   *
   *	once:			will ensure the callback list can only be fired once (like a Deferred)
   *
   *	memory:			will keep track of previous values and will call any callback added
   *					after the list has been fired right away with the latest "memorized"
   *					values (like a Deferred)
   *
   *	unique:			will ensure a callback can only be added once (no duplicate in the list)
   *
   *	stopOnFalse:	interrupt callings when a callback returns false
   *
   */
  jQuery.Callbacks = function( options ) {
  
  	// Convert options from String-formatted to Object-formatted if needed
  	// (we check in cache first)
  	options = typeof options === "string" ?
  		createOptions( options ) :
  		jQuery.extend( {}, options );
  
  	var // Flag to know if list is currently firing
  		firing,
  
  		// Last fire value for non-forgettable lists
  		memory,
  
  		// Flag to know if list was already fired
  		fired,
  
  		// Flag to prevent firing
  		locked,
  
  		// Actual callback list
  		list = [],
  
  		// Queue of execution data for repeatable lists
  		queue = [],
  
  		// Index of currently firing callback (modified by add/remove as needed)
  		firingIndex = -1,
  
  		// Fire callbacks
  		fire = function() {
  
  			// Enforce single-firing
  			locked = locked || options.once;
  
  			// Execute callbacks for all pending executions,
  			// respecting firingIndex overrides and runtime changes
  			fired = firing = true;
  			for ( ; queue.length; firingIndex = -1 ) {
  				memory = queue.shift();
  				while ( ++firingIndex < list.length ) {
  
  					// Run callback and check for early termination
  					if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
  						options.stopOnFalse ) {
  
  						// Jump to end and forget the data so .add doesn't re-fire
  						firingIndex = list.length;
  						memory = false;
  					}
  				}
  			}
  
  			// Forget the data if we're done with it
  			if ( !options.memory ) {
  				memory = false;
  			}
  
  			firing = false;
  
  			// Clean up if we're done firing for good
  			if ( locked ) {
  
  				// Keep an empty list if we have data for future add calls
  				if ( memory ) {
  					list = [];
  
  				// Otherwise, this object is spent
  				} else {
  					list = "";
  				}
  			}
  		},
  
  		// Actual Callbacks object
  		self = {
  
  			// Add a callback or a collection of callbacks to the list
  			add: function() {
  				if ( list ) {
  
  					// If we have memory from a past run, we should fire after adding
  					if ( memory && !firing ) {
  						firingIndex = list.length - 1;
  						queue.push( memory );
  					}
  
  					( function add( args ) {
  						jQuery.each( args, function( _, arg ) {
  							if ( isFunction( arg ) ) {
  								if ( !options.unique || !self.has( arg ) ) {
  									list.push( arg );
  								}
  							} else if ( arg && arg.length && toType( arg ) !== "string" ) {
  
  								// Inspect recursively
  								add( arg );
  							}
  						} );
  					} )( arguments );
  
  					if ( memory && !firing ) {
  						fire();
  					}
  				}
  				return this;
  			},
  
  			// Remove a callback from the list
  			remove: function() {
  				jQuery.each( arguments, function( _, arg ) {
  					var index;
  					while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
  						list.splice( index, 1 );
  
  						// Handle firing indexes
  						if ( index <= firingIndex ) {
  							firingIndex--;
  						}
  					}
  				} );
  				return this;
  			},
  
  			// Check if a given callback is in the list.
  			// If no argument is given, return whether or not list has callbacks attached.
  			has: function( fn ) {
  				return fn ?
  					jQuery.inArray( fn, list ) > -1 :
  					list.length > 0;
  			},
  
  			// Remove all callbacks from the list
  			empty: function() {
  				if ( list ) {
  					list = [];
  				}
  				return this;
  			},
  
  			// Disable .fire and .add
  			// Abort any current/pending executions
  			// Clear all callbacks and values
  			disable: function() {
  				locked = queue = [];
  				list = memory = "";
  				return this;
  			},
  			disabled: function() {
  				return !list;
  			},
  
  			// Disable .fire
  			// Also disable .add unless we have memory (since it would have no effect)
  			// Abort any pending executions
  			lock: function() {
  				locked = queue = [];
  				if ( !memory && !firing ) {
  					list = memory = "";
  				}
  				return this;
  			},
  			locked: function() {
  				return !!locked;
  			},
  
  			// Call all callbacks with the given context and arguments
  			fireWith: function( context, args ) {
  				if ( !locked ) {
  					args = args || [];
  					args = [ context, args.slice ? args.slice() : args ];
  					queue.push( args );
  					if ( !firing ) {
  						fire();
  					}
  				}
  				return this;
  			},
  
  			// Call all the callbacks with the given arguments
  			fire: function() {
  				self.fireWith( this, arguments );
  				return this;
  			},
  
  			// To know if the callbacks have already been called at least once
  			fired: function() {
  				return !!fired;
  			}
  		};
  
  	return self;
  };
  
  
  function Identity( v ) {
  	return v;
  }
  function Thrower( ex ) {
  	throw ex;
  }
  
  function adoptValue( value, resolve, reject, noValue ) {
  	var method;
  
  	try {
  
  		// Check for promise aspect first to privilege synchronous behavior
  		if ( value && isFunction( ( method = value.promise ) ) ) {
  			method.call( value ).done( resolve ).fail( reject );
  
  		// Other thenables
  		} else if ( value && isFunction( ( method = value.then ) ) ) {
  			method.call( value, resolve, reject );
  
  		// Other non-thenables
  		} else {
  
  			// Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
  			// * false: [ value ].slice( 0 ) => resolve( value )
  			// * true: [ value ].slice( 1 ) => resolve()
  			resolve.apply( undefined, [ value ].slice( noValue ) );
  		}
  
  	// For Promises/A+, convert exceptions into rejections
  	// Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
  	// Deferred#then to conditionally suppress rejection.
  	} catch ( value ) {
  
  		// Support: Android 4.0 only
  		// Strict mode functions invoked without .call/.apply get global-object context
  		reject.apply( undefined, [ value ] );
  	}
  }
  
  jQuery.extend( {
  
  	Deferred: function( func ) {
  		var tuples = [
  
  				// action, add listener, callbacks,
  				// ... .then handlers, argument index, [final state]
  				[ "notify", "progress", jQuery.Callbacks( "memory" ),
  					jQuery.Callbacks( "memory" ), 2 ],
  				[ "resolve", "done", jQuery.Callbacks( "once memory" ),
  					jQuery.Callbacks( "once memory" ), 0, "resolved" ],
  				[ "reject", "fail", jQuery.Callbacks( "once memory" ),
  					jQuery.Callbacks( "once memory" ), 1, "rejected" ]
  			],
  			state = "pending",
  			promise = {
  				state: function() {
  					return state;
  				},
  				always: function() {
  					deferred.done( arguments ).fail( arguments );
  					return this;
  				},
  				"catch": function( fn ) {
  					return promise.then( null, fn );
  				},
  
  				// Keep pipe for back-compat
  				pipe: function( /* fnDone, fnFail, fnProgress */ ) {
  					var fns = arguments;
  
  					return jQuery.Deferred( function( newDefer ) {
  						jQuery.each( tuples, function( i, tuple ) {
  
  							// Map tuples (progress, done, fail) to arguments (done, fail, progress)
  							var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
  
  							// deferred.progress(function() { bind to newDefer or newDefer.notify })
  							// deferred.done(function() { bind to newDefer or newDefer.resolve })
  							// deferred.fail(function() { bind to newDefer or newDefer.reject })
  							deferred[ tuple[ 1 ] ]( function() {
  								var returned = fn && fn.apply( this, arguments );
  								if ( returned && isFunction( returned.promise ) ) {
  									returned.promise()
  										.progress( newDefer.notify )
  										.done( newDefer.resolve )
  										.fail( newDefer.reject );
  								} else {
  									newDefer[ tuple[ 0 ] + "With" ](
  										this,
  										fn ? [ returned ] : arguments
  									);
  								}
  							} );
  						} );
  						fns = null;
  					} ).promise();
  				},
  				then: function( onFulfilled, onRejected, onProgress ) {
  					var maxDepth = 0;
  					function resolve( depth, deferred, handler, special ) {
  						return function() {
  							var that = this,
  								args = arguments,
  								mightThrow = function() {
  									var returned, then;
  
  									// Support: Promises/A+ section 2.3.3.3.3
  									// https://promisesaplus.com/#point-59
  									// Ignore double-resolution attempts
  									if ( depth < maxDepth ) {
  										return;
  									}
  
  									returned = handler.apply( that, args );
  
  									// Support: Promises/A+ section 2.3.1
  									// https://promisesaplus.com/#point-48
  									if ( returned === deferred.promise() ) {
  										throw new TypeError( "Thenable self-resolution" );
  									}
  
  									// Support: Promises/A+ sections 2.3.3.1, 3.5
  									// https://promisesaplus.com/#point-54
  									// https://promisesaplus.com/#point-75
  									// Retrieve `then` only once
  									then = returned &&
  
  										// Support: Promises/A+ section 2.3.4
  										// https://promisesaplus.com/#point-64
  										// Only check objects and functions for thenability
  										( typeof returned === "object" ||
  											typeof returned === "function" ) &&
  										returned.then;
  
  									// Handle a returned thenable
  									if ( isFunction( then ) ) {
  
  										// Special processors (notify) just wait for resolution
  										if ( special ) {
  											then.call(
  												returned,
  												resolve( maxDepth, deferred, Identity, special ),
  												resolve( maxDepth, deferred, Thrower, special )
  											);
  
  										// Normal processors (resolve) also hook into progress
  										} else {
  
  											// ...and disregard older resolution values
  											maxDepth++;
  
  											then.call(
  												returned,
  												resolve( maxDepth, deferred, Identity, special ),
  												resolve( maxDepth, deferred, Thrower, special ),
  												resolve( maxDepth, deferred, Identity,
  													deferred.notifyWith )
  											);
  										}
  
  									// Handle all other returned values
  									} else {
  
  										// Only substitute handlers pass on context
  										// and multiple values (non-spec behavior)
  										if ( handler !== Identity ) {
  											that = undefined;
  											args = [ returned ];
  										}
  
  										// Process the value(s)
  										// Default process is resolve
  										( special || deferred.resolveWith )( that, args );
  									}
  								},
  
  								// Only normal processors (resolve) catch and reject exceptions
  								process = special ?
  									mightThrow :
  									function() {
  										try {
  											mightThrow();
  										} catch ( e ) {
  
  											if ( jQuery.Deferred.exceptionHook ) {
  												jQuery.Deferred.exceptionHook( e,
  													process.stackTrace );
  											}
  
  											// Support: Promises/A+ section 2.3.3.3.4.1
  											// https://promisesaplus.com/#point-61
  											// Ignore post-resolution exceptions
  											if ( depth + 1 >= maxDepth ) {
  
  												// Only substitute handlers pass on context
  												// and multiple values (non-spec behavior)
  												if ( handler !== Thrower ) {
  													that = undefined;
  													args = [ e ];
  												}
  
  												deferred.rejectWith( that, args );
  											}
  										}
  									};
  
  							// Support: Promises/A+ section 2.3.3.3.1
  							// https://promisesaplus.com/#point-57
  							// Re-resolve promises immediately to dodge false rejection from
  							// subsequent errors
  							if ( depth ) {
  								process();
  							} else {
  
  								// Call an optional hook to record the stack, in case of exception
  								// since it's otherwise lost when execution goes async
  								if ( jQuery.Deferred.getStackHook ) {
  									process.stackTrace = jQuery.Deferred.getStackHook();
  								}
  								window.setTimeout( process );
  							}
  						};
  					}
  
  					return jQuery.Deferred( function( newDefer ) {
  
  						// progress_handlers.add( ... )
  						tuples[ 0 ][ 3 ].add(
  							resolve(
  								0,
  								newDefer,
  								isFunction( onProgress ) ?
  									onProgress :
  									Identity,
  								newDefer.notifyWith
  							)
  						);
  
  						// fulfilled_handlers.add( ... )
  						tuples[ 1 ][ 3 ].add(
  							resolve(
  								0,
  								newDefer,
  								isFunction( onFulfilled ) ?
  									onFulfilled :
  									Identity
  							)
  						);
  
  						// rejected_handlers.add( ... )
  						tuples[ 2 ][ 3 ].add(
  							resolve(
  								0,
  								newDefer,
  								isFunction( onRejected ) ?
  									onRejected :
  									Thrower
  							)
  						);
  					} ).promise();
  				},
  
  				// Get a promise for this deferred
  				// If obj is provided, the promise aspect is added to the object
  				promise: function( obj ) {
  					return obj != null ? jQuery.extend( obj, promise ) : promise;
  				}
  			},
  			deferred = {};
  
  		// Add list-specific methods
  		jQuery.each( tuples, function( i, tuple ) {
  			var list = tuple[ 2 ],
  				stateString = tuple[ 5 ];
  
  			// promise.progress = list.add
  			// promise.done = list.add
  			// promise.fail = list.add
  			promise[ tuple[ 1 ] ] = list.add;
  
  			// Handle state
  			if ( stateString ) {
  				list.add(
  					function() {
  
  						// state = "resolved" (i.e., fulfilled)
  						// state = "rejected"
  						state = stateString;
  					},
  
  					// rejected_callbacks.disable
  					// fulfilled_callbacks.disable
  					tuples[ 3 - i ][ 2 ].disable,
  
  					// rejected_handlers.disable
  					// fulfilled_handlers.disable
  					tuples[ 3 - i ][ 3 ].disable,
  
  					// progress_callbacks.lock
  					tuples[ 0 ][ 2 ].lock,
  
  					// progress_handlers.lock
  					tuples[ 0 ][ 3 ].lock
  				);
  			}
  
  			// progress_handlers.fire
  			// fulfilled_handlers.fire
  			// rejected_handlers.fire
  			list.add( tuple[ 3 ].fire );
  
  			// deferred.notify = function() { deferred.notifyWith(...) }
  			// deferred.resolve = function() { deferred.resolveWith(...) }
  			// deferred.reject = function() { deferred.rejectWith(...) }
  			deferred[ tuple[ 0 ] ] = function() {
  				deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
  				return this;
  			};
  
  			// deferred.notifyWith = list.fireWith
  			// deferred.resolveWith = list.fireWith
  			// deferred.rejectWith = list.fireWith
  			deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
  		} );
  
  		// Make the deferred a promise
  		promise.promise( deferred );
  
  		// Call given func if any
  		if ( func ) {
  			func.call( deferred, deferred );
  		}
  
  		// All done!
  		return deferred;
  	},
  
  	// Deferred helper
  	when: function( singleValue ) {
  		var
  
  			// count of uncompleted subordinates
  			remaining = arguments.length,
  
  			// count of unprocessed arguments
  			i = remaining,
  
  			// subordinate fulfillment data
  			resolveContexts = Array( i ),
  			resolveValues = slice.call( arguments ),
  
  			// the master Deferred
  			master = jQuery.Deferred(),
  
  			// subordinate callback factory
  			updateFunc = function( i ) {
  				return function( value ) {
  					resolveContexts[ i ] = this;
  					resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
  					if ( !( --remaining ) ) {
  						master.resolveWith( resolveContexts, resolveValues );
  					}
  				};
  			};
  
  		// Single- and empty arguments are adopted like Promise.resolve
  		if ( remaining <= 1 ) {
  			adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
  				!remaining );
  
  			// Use .then() to unwrap secondary thenables (cf. gh-3000)
  			if ( master.state() === "pending" ||
  				isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
  
  				return master.then();
  			}
  		}
  
  		// Multiple arguments are aggregated like Promise.all array elements
  		while ( i-- ) {
  			adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
  		}
  
  		return master.promise();
  	}
  } );
  
  
  // These usually indicate a programmer mistake during development,
  // warn about them ASAP rather than swallowing them by default.
  var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
  
  jQuery.Deferred.exceptionHook = function( error, stack ) {
  
  	// Support: IE 8 - 9 only
  	// Console exists when dev tools are open, which can happen at any time
  	if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
  		window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
  	}
  };
  
  
  
  
  jQuery.readyException = function( error ) {
  	window.setTimeout( function() {
  		throw error;
  	} );
  };
  
  
  
  
  // The deferred used on DOM ready
  var readyList = jQuery.Deferred();
  
  jQuery.fn.ready = function( fn ) {
  
  	readyList
  		.then( fn )
  
  		// Wrap jQuery.readyException in a function so that the lookup
  		// happens at the time of error handling instead of callback
  		// registration.
  		.catch( function( error ) {
  			jQuery.readyException( error );
  		} );
  
  	return this;
  };
  
  jQuery.extend( {
  
  	// Is the DOM ready to be used? Set to true once it occurs.
  	isReady: false,
  
  	// A counter to track how many items to wait for before
  	// the ready event fires. See #6781
  	readyWait: 1,
  
  	// Handle when the DOM is ready
  	ready: function( wait ) {
  
  		// Abort if there are pending holds or we're already ready
  		if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
  			return;
  		}
  
  		// Remember that the DOM is ready
  		jQuery.isReady = true;
  
  		// If a normal DOM Ready event fired, decrement, and wait if need be
  		if ( wait !== true && --jQuery.readyWait > 0 ) {
  			return;
  		}
  
  		// If there are functions bound, to execute
  		readyList.resolveWith( document, [ jQuery ] );
  	}
  } );
  
  jQuery.ready.then = readyList.then;
  
  // The ready event handler and self cleanup method
  function completed() {
  	document.removeEventListener( "DOMContentLoaded", completed );
  	window.removeEventListener( "load", completed );
  	jQuery.ready();
  }
  
  // Catch cases where $(document).ready() is called
  // after the browser event has already occurred.
  // Support: IE <=9 - 10 only
  // Older IE sometimes signals "interactive" too soon
  if ( document.readyState === "complete" ||
  	( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
  
  	// Handle it asynchronously to allow scripts the opportunity to delay ready
  	window.setTimeout( jQuery.ready );
  
  } else {
  
  	// Use the handy event callback
  	document.addEventListener( "DOMContentLoaded", completed );
  
  	// A fallback to window.onload, that will always work
  	window.addEventListener( "load", completed );
  }
  
  
  
  
  // Multifunctional method to get and set values of a collection
  // The value/s can optionally be executed if it's a function
  var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
  	var i = 0,
  		len = elems.length,
  		bulk = key == null;
  
  	// Sets many values
  	if ( toType( key ) === "object" ) {
  		chainable = true;
  		for ( i in key ) {
  			access( elems, fn, i, key[ i ], true, emptyGet, raw );
  		}
  
  	// Sets one value
  	} else if ( value !== undefined ) {
  		chainable = true;
  
  		if ( !isFunction( value ) ) {
  			raw = true;
  		}
  
  		if ( bulk ) {
  
  			// Bulk operations run against the entire set
  			if ( raw ) {
  				fn.call( elems, value );
  				fn = null;
  
  			// ...except when executing function values
  			} else {
  				bulk = fn;
  				fn = function( elem, key, value ) {
  					return bulk.call( jQuery( elem ), value );
  				};
  			}
  		}
  
  		if ( fn ) {
  			for ( ; i < len; i++ ) {
  				fn(
  					elems[ i ], key, raw ?
  					value :
  					value.call( elems[ i ], i, fn( elems[ i ], key ) )
  				);
  			}
  		}
  	}
  
  	if ( chainable ) {
  		return elems;
  	}
  
  	// Gets
  	if ( bulk ) {
  		return fn.call( elems );
  	}
  
  	return len ? fn( elems[ 0 ], key ) : emptyGet;
  };
  
  
  // Matches dashed string for camelizing
  var rmsPrefix = /^-ms-/,
  	rdashAlpha = /-([a-z])/g;
  
  // Used by camelCase as callback to replace()
  function fcamelCase( all, letter ) {
  	return letter.toUpperCase();
  }
  
  // Convert dashed to camelCase; used by the css and data modules
  // Support: IE <=9 - 11, Edge 12 - 15
  // Microsoft forgot to hump their vendor prefix (#9572)
  function camelCase( string ) {
  	return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
  }
  var acceptData = function( owner ) {
  
  	// Accepts only:
  	//  - Node
  	//    - Node.ELEMENT_NODE
  	//    - Node.DOCUMENT_NODE
  	//  - Object
  	//    - Any
  	return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
  };
  
  
  
  
  function Data() {
  	this.expando = jQuery.expando + Data.uid++;
  }
  
  Data.uid = 1;
  
  Data.prototype = {
  
  	cache: function( owner ) {
  
  		// Check if the owner object already has a cache
  		var value = owner[ this.expando ];
  
  		// If not, create one
  		if ( !value ) {
  			value = {};
  
  			// We can accept data for non-element nodes in modern browsers,
  			// but we should not, see #8335.
  			// Always return an empty object.
  			if ( acceptData( owner ) ) {
  
  				// If it is a node unlikely to be stringify-ed or looped over
  				// use plain assignment
  				if ( owner.nodeType ) {
  					owner[ this.expando ] = value;
  
  				// Otherwise secure it in a non-enumerable property
  				// configurable must be true to allow the property to be
  				// deleted when data is removed
  				} else {
  					Object.defineProperty( owner, this.expando, {
  						value: value,
  						configurable: true
  					} );
  				}
  			}
  		}
  
  		return value;
  	},
  	set: function( owner, data, value ) {
  		var prop,
  			cache = this.cache( owner );
  
  		// Handle: [ owner, key, value ] args
  		// Always use camelCase key (gh-2257)
  		if ( typeof data === "string" ) {
  			cache[ camelCase( data ) ] = value;
  
  		// Handle: [ owner, { properties } ] args
  		} else {
  
  			// Copy the properties one-by-one to the cache object
  			for ( prop in data ) {
  				cache[ camelCase( prop ) ] = data[ prop ];
  			}
  		}
  		return cache;
  	},
  	get: function( owner, key ) {
  		return key === undefined ?
  			this.cache( owner ) :
  
  			// Always use camelCase key (gh-2257)
  			owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
  	},
  	access: function( owner, key, value ) {
  
  		// In cases where either:
  		//
  		//   1. No key was specified
  		//   2. A string key was specified, but no value provided
  		//
  		// Take the "read" path and allow the get method to determine
  		// which value to return, respectively either:
  		//
  		//   1. The entire cache object
  		//   2. The data stored at the key
  		//
  		if ( key === undefined ||
  				( ( key && typeof key === "string" ) && value === undefined ) ) {
  
  			return this.get( owner, key );
  		}
  
  		// When the key is not a string, or both a key and value
  		// are specified, set or extend (existing objects) with either:
  		//
  		//   1. An object of properties
  		//   2. A key and value
  		//
  		this.set( owner, key, value );
  
  		// Since the "set" path can have two possible entry points
  		// return the expected data based on which path was taken[*]
  		return value !== undefined ? value : key;
  	},
  	remove: function( owner, key ) {
  		var i,
  			cache = owner[ this.expando ];
  
  		if ( cache === undefined ) {
  			return;
  		}
  
  		if ( key !== undefined ) {
  
  			// Support array or space separated string of keys
  			if ( Array.isArray( key ) ) {
  
  				// If key is an array of keys...
  				// We always set camelCase keys, so remove that.
  				key = key.map( camelCase );
  			} else {
  				key = camelCase( key );
  
  				// If a key with the spaces exists, use it.
  				// Otherwise, create an array by matching non-whitespace
  				key = key in cache ?
  					[ key ] :
  					( key.match( rnothtmlwhite ) || [] );
  			}
  
  			i = key.length;
  
  			while ( i-- ) {
  				delete cache[ key[ i ] ];
  			}
  		}
  
  		// Remove the expando if there's no more data
  		if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
  
  			// Support: Chrome <=35 - 45
  			// Webkit & Blink performance suffers when deleting properties
  			// from DOM nodes, so set to undefined instead
  			// https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
  			if ( owner.nodeType ) {
  				owner[ this.expando ] = undefined;
  			} else {
  				delete owner[ this.expando ];
  			}
  		}
  	},
  	hasData: function( owner ) {
  		var cache = owner[ this.expando ];
  		return cache !== undefined && !jQuery.isEmptyObject( cache );
  	}
  };
  var dataPriv = new Data();
  
  var dataUser = new Data();
  
  
  
  //	Implementation Summary
  //
  //	1. Enforce API surface and semantic compatibility with 1.9.x branch
  //	2. Improve the module's maintainability by reducing the storage
  //		paths to a single mechanism.
  //	3. Use the same single mechanism to support "private" and "user" data.
  //	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
  //	5. Avoid exposing implementation details on user objects (eg. expando properties)
  //	6. Provide a clear path for implementation upgrade to WeakMap in 2014
  
  var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
  	rmultiDash = /[A-Z]/g;
  
  function getData( data ) {
  	if ( data === "true" ) {
  		return true;
  	}
  
  	if ( data === "false" ) {
  		return false;
  	}
  
  	if ( data === "null" ) {
  		return null;
  	}
  
  	// Only convert to a number if it doesn't change the string
  	if ( data === +data + "" ) {
  		return +data;
  	}
  
  	if ( rbrace.test( data ) ) {
  		return JSON.parse( data );
  	}
  
  	return data;
  }
  
  function dataAttr( elem, key, data ) {
  	var name;
  
  	// If nothing was found internally, try to fetch any
  	// data from the HTML5 data-* attribute
  	if ( data === undefined && elem.nodeType === 1 ) {
  		name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
  		data = elem.getAttribute( name );
  
  		if ( typeof data === "string" ) {
  			try {
  				data = getData( data );
  			} catch ( e ) {}
  
  			// Make sure we set the data so it isn't changed later
  			dataUser.set( elem, key, data );
  		} else {
  			data = undefined;
  		}
  	}
  	return data;
  }
  
  jQuery.extend( {
  	hasData: function( elem ) {
  		return dataUser.hasData( elem ) || dataPriv.hasData( elem );
  	},
  
  	data: function( elem, name, data ) {
  		return dataUser.access( elem, name, data );
  	},
  
  	removeData: function( elem, name ) {
  		dataUser.remove( elem, name );
  	},
  
  	// TODO: Now that all calls to _data and _removeData have been replaced
  	// with direct calls to dataPriv methods, these can be deprecated.
  	_data: function( elem, name, data ) {
  		return dataPriv.access( elem, name, data );
  	},
  
  	_removeData: function( elem, name ) {
  		dataPriv.remove( elem, name );
  	}
  } );
  
  jQuery.fn.extend( {
  	data: function( key, value ) {
  		var i, name, data,
  			elem = this[ 0 ],
  			attrs = elem && elem.attributes;
  
  		// Gets all values
  		if ( key === undefined ) {
  			if ( this.length ) {
  				data = dataUser.get( elem );
  
  				if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
  					i = attrs.length;
  					while ( i-- ) {
  
  						// Support: IE 11 only
  						// The attrs elements can be null (#14894)
  						if ( attrs[ i ] ) {
  							name = attrs[ i ].name;
  							if ( name.indexOf( "data-" ) === 0 ) {
  								name = camelCase( name.slice( 5 ) );
  								dataAttr( elem, name, data[ name ] );
  							}
  						}
  					}
  					dataPriv.set( elem, "hasDataAttrs", true );
  				}
  			}
  
  			return data;
  		}
  
  		// Sets multiple values
  		if ( typeof key === "object" ) {
  			return this.each( function() {
  				dataUser.set( this, key );
  			} );
  		}
  
  		return access( this, function( value ) {
  			var data;
  
  			// The calling jQuery object (element matches) is not empty
  			// (and therefore has an element appears at this[ 0 ]) and the
  			// `value` parameter was not undefined. An empty jQuery object
  			// will result in `undefined` for elem = this[ 0 ] which will
  			// throw an exception if an attempt to read a data cache is made.
  			if ( elem && value === undefined ) {
  
  				// Attempt to get data from the cache
  				// The key will always be camelCased in Data
  				data = dataUser.get( elem, key );
  				if ( data !== undefined ) {
  					return data;
  				}
  
  				// Attempt to "discover" the data in
  				// HTML5 custom data-* attrs
  				data = dataAttr( elem, key );
  				if ( data !== undefined ) {
  					return data;
  				}
  
  				// We tried really hard, but the data doesn't exist.
  				return;
  			}
  
  			// Set the data...
  			this.each( function() {
  
  				// We always store the camelCased key
  				dataUser.set( this, key, value );
  			} );
  		}, null, value, arguments.length > 1, null, true );
  	},
  
  	removeData: function( key ) {
  		return this.each( function() {
  			dataUser.remove( this, key );
  		} );
  	}
  } );
  
  
  jQuery.extend( {
  	queue: function( elem, type, data ) {
  		var queue;
  
  		if ( elem ) {
  			type = ( type || "fx" ) + "queue";
  			queue = dataPriv.get( elem, type );
  
  			// Speed up dequeue by getting out quickly if this is just a lookup
  			if ( data ) {
  				if ( !queue || Array.isArray( data ) ) {
  					queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
  				} else {
  					queue.push( data );
  				}
  			}
  			return queue || [];
  		}
  	},
  
  	dequeue: function( elem, type ) {
  		type = type || "fx";
  
  		var queue = jQuery.queue( elem, type ),
  			startLength = queue.length,
  			fn = queue.shift(),
  			hooks = jQuery._queueHooks( elem, type ),
  			next = function() {
  				jQuery.dequeue( elem, type );
  			};
  
  		// If the fx queue is dequeued, always remove the progress sentinel
  		if ( fn === "inprogress" ) {
  			fn = queue.shift();
  			startLength--;
  		}
  
  		if ( fn ) {
  
  			// Add a progress sentinel to prevent the fx queue from being
  			// automatically dequeued
  			if ( type === "fx" ) {
  				queue.unshift( "inprogress" );
  			}
  
  			// Clear up the last queue stop function
  			delete hooks.stop;
  			fn.call( elem, next, hooks );
  		}
  
  		if ( !startLength && hooks ) {
  			hooks.empty.fire();
  		}
  	},
  
  	// Not public - generate a queueHooks object, or return the current one
  	_queueHooks: function( elem, type ) {
  		var key = type + "queueHooks";
  		return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
  			empty: jQuery.Callbacks( "once memory" ).add( function() {
  				dataPriv.remove( elem, [ type + "queue", key ] );
  			} )
  		} );
  	}
  } );
  
  jQuery.fn.extend( {
  	queue: function( type, data ) {
  		var setter = 2;
  
  		if ( typeof type !== "string" ) {
  			data = type;
  			type = "fx";
  			setter--;
  		}
  
  		if ( arguments.length < setter ) {
  			return jQuery.queue( this[ 0 ], type );
  		}
  
  		return data === undefined ?
  			this :
  			this.each( function() {
  				var queue = jQuery.queue( this, type, data );
  
  				// Ensure a hooks for this queue
  				jQuery._queueHooks( this, type );
  
  				if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
  					jQuery.dequeue( this, type );
  				}
  			} );
  	},
  	dequeue: function( type ) {
  		return this.each( function() {
  			jQuery.dequeue( this, type );
  		} );
  	},
  	clearQueue: function( type ) {
  		return this.queue( type || "fx", [] );
  	},
  
  	// Get a promise resolved when queues of a certain type
  	// are emptied (fx is the type by default)
  	promise: function( type, obj ) {
  		var tmp,
  			count = 1,
  			defer = jQuery.Deferred(),
  			elements = this,
  			i = this.length,
  			resolve = function() {
  				if ( !( --count ) ) {
  					defer.resolveWith( elements, [ elements ] );
  				}
  			};
  
  		if ( typeof type !== "string" ) {
  			obj = type;
  			type = undefined;
  		}
  		type = type || "fx";
  
  		while ( i-- ) {
  			tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
  			if ( tmp && tmp.empty ) {
  				count++;
  				tmp.empty.add( resolve );
  			}
  		}
  		resolve();
  		return defer.promise( obj );
  	}
  } );
  var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
  
  var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
  
  
  var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
  
  var documentElement = document.documentElement;
  
  
  
  	var isAttached = function( elem ) {
  			return jQuery.contains( elem.ownerDocument, elem );
  		},
  		composed = { composed: true };
  
  	// Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
  	// Check attachment across shadow DOM boundaries when possible (gh-3504)
  	// Support: iOS 10.0-10.2 only
  	// Early iOS 10 versions support `attachShadow` but not `getRootNode`,
  	// leading to errors. We need to check for `getRootNode`.
  	if ( documentElement.getRootNode ) {
  		isAttached = function( elem ) {
  			return jQuery.contains( elem.ownerDocument, elem ) ||
  				elem.getRootNode( composed ) === elem.ownerDocument;
  		};
  	}
  var isHiddenWithinTree = function( elem, el ) {
  
  		// isHiddenWithinTree might be called from jQuery#filter function;
  		// in that case, element will be second argument
  		elem = el || elem;
  
  		// Inline style trumps all
  		return elem.style.display === "none" ||
  			elem.style.display === "" &&
  
  			// Otherwise, check computed style
  			// Support: Firefox <=43 - 45
  			// Disconnected elements can have computed display: none, so first confirm that elem is
  			// in the document.
  			isAttached( elem ) &&
  
  			jQuery.css( elem, "display" ) === "none";
  	};
  
  var swap = function( elem, options, callback, args ) {
  	var ret, name,
  		old = {};
  
  	// Remember the old values, and insert the new ones
  	for ( name in options ) {
  		old[ name ] = elem.style[ name ];
  		elem.style[ name ] = options[ name ];
  	}
  
  	ret = callback.apply( elem, args || [] );
  
  	// Revert the old values
  	for ( name in options ) {
  		elem.style[ name ] = old[ name ];
  	}
  
  	return ret;
  };
  
  
  
  
  function adjustCSS( elem, prop, valueParts, tween ) {
  	var adjusted, scale,
  		maxIterations = 20,
  		currentValue = tween ?
  			function() {
  				return tween.cur();
  			} :
  			function() {
  				return jQuery.css( elem, prop, "" );
  			},
  		initial = currentValue(),
  		unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
  
  		// Starting value computation is required for potential unit mismatches
  		initialInUnit = elem.nodeType &&
  			( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
  			rcssNum.exec( jQuery.css( elem, prop ) );
  
  	if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
  
  		// Support: Firefox <=54
  		// Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
  		initial = initial / 2;
  
  		// Trust units reported by jQuery.css
  		unit = unit || initialInUnit[ 3 ];
  
  		// Iteratively approximate from a nonzero starting point
  		initialInUnit = +initial || 1;
  
  		while ( maxIterations-- ) {
  
  			// Evaluate and update our best guess (doubling guesses that zero out).
  			// Finish if the scale equals or crosses 1 (making the old*new product non-positive).
  			jQuery.style( elem, prop, initialInUnit + unit );
  			if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
  				maxIterations = 0;
  			}
  			initialInUnit = initialInUnit / scale;
  
  		}
  
  		initialInUnit = initialInUnit * 2;
  		jQuery.style( elem, prop, initialInUnit + unit );
  
  		// Make sure we update the tween properties later on
  		valueParts = valueParts || [];
  	}
  
  	if ( valueParts ) {
  		initialInUnit = +initialInUnit || +initial || 0;
  
  		// Apply relative offset (+=/-=) if specified
  		adjusted = valueParts[ 1 ] ?
  			initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
  			+valueParts[ 2 ];
  		if ( tween ) {
  			tween.unit = unit;
  			tween.start = initialInUnit;
  			tween.end = adjusted;
  		}
  	}
  	return adjusted;
  }
  
  
  var defaultDisplayMap = {};
  
  function getDefaultDisplay( elem ) {
  	var temp,
  		doc = elem.ownerDocument,
  		nodeName = elem.nodeName,
  		display = defaultDisplayMap[ nodeName ];
  
  	if ( display ) {
  		return display;
  	}
  
  	temp = doc.body.appendChild( doc.createElement( nodeName ) );
  	display = jQuery.css( temp, "display" );
  
  	temp.parentNode.removeChild( temp );
  
  	if ( display === "none" ) {
  		display = "block";
  	}
  	defaultDisplayMap[ nodeName ] = display;
  
  	return display;
  }
  
  function showHide( elements, show ) {
  	var display, elem,
  		values = [],
  		index = 0,
  		length = elements.length;
  
  	// Determine new display value for elements that need to change
  	for ( ; index < length; index++ ) {
  		elem = elements[ index ];
  		if ( !elem.style ) {
  			continue;
  		}
  
  		display = elem.style.display;
  		if ( show ) {
  
  			// Since we force visibility upon cascade-hidden elements, an immediate (and slow)
  			// check is required in this first loop unless we have a nonempty display value (either
  			// inline or about-to-be-restored)
  			if ( display === "none" ) {
  				values[ index ] = dataPriv.get( elem, "display" ) || null;
  				if ( !values[ index ] ) {
  					elem.style.display = "";
  				}
  			}
  			if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
  				values[ index ] = getDefaultDisplay( elem );
  			}
  		} else {
  			if ( display !== "none" ) {
  				values[ index ] = "none";
  
  				// Remember what we're overwriting
  				dataPriv.set( elem, "display", display );
  			}
  		}
  	}
  
  	// Set the display of the elements in a second loop to avoid constant reflow
  	for ( index = 0; index < length; index++ ) {
  		if ( values[ index ] != null ) {
  			elements[ index ].style.display = values[ index ];
  		}
  	}
  
  	return elements;
  }
  
  jQuery.fn.extend( {
  	show: function() {
  		return showHide( this, true );
  	},
  	hide: function() {
  		return showHide( this );
  	},
  	toggle: function( state ) {
  		if ( typeof state === "boolean" ) {
  			return state ? this.show() : this.hide();
  		}
  
  		return this.each( function() {
  			if ( isHiddenWithinTree( this ) ) {
  				jQuery( this ).show();
  			} else {
  				jQuery( this ).hide();
  			}
  		} );
  	}
  } );
  var rcheckableType = ( /^(?:checkbox|radio)$/i );
  
  var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
  
  var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
  
  
  
  // We have to close these tags to support XHTML (#13200)
  var wrapMap = {
  
  	// Support: IE <=9 only
  	option: [ 1, "<select multiple='multiple'>", "</select>" ],
  
  	// XHTML parsers do not magically insert elements in the
  	// same way that tag soup parsers do. So we cannot shorten
  	// this by omitting <tbody> or other required elements.
  	thead: [ 1, "<table>", "</table>" ],
  	col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
  	tr: [ 2, "<table><tbody>", "</tbody></table>" ],
  	td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
  
  	_default: [ 0, "", "" ]
  };
  
  // Support: IE <=9 only
  wrapMap.optgroup = wrapMap.option;
  
  wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
  wrapMap.th = wrapMap.td;
  
  
  function getAll( context, tag ) {
  
  	// Support: IE <=9 - 11 only
  	// Use typeof to avoid zero-argument method invocation on host objects (#15151)
  	var ret;
  
  	if ( typeof context.getElementsByTagName !== "undefined" ) {
  		ret = context.getElementsByTagName( tag || "*" );
  
  	} else if ( typeof context.querySelectorAll !== "undefined" ) {
  		ret = context.querySelectorAll( tag || "*" );
  
  	} else {
  		ret = [];
  	}
  
  	if ( tag === undefined || tag && nodeName( context, tag ) ) {
  		return jQuery.merge( [ context ], ret );
  	}
  
  	return ret;
  }
  
  
  // Mark scripts as having already been evaluated
  function setGlobalEval( elems, refElements ) {
  	var i = 0,
  		l = elems.length;
  
  	for ( ; i < l; i++ ) {
  		dataPriv.set(
  			elems[ i ],
  			"globalEval",
  			!refElements || dataPriv.get( refElements[ i ], "globalEval" )
  		);
  	}
  }
  
  
  var rhtml = /<|&#?\w+;/;
  
  function buildFragment( elems, context, scripts, selection, ignored ) {
  	var elem, tmp, tag, wrap, attached, j,
  		fragment = context.createDocumentFragment(),
  		nodes = [],
  		i = 0,
  		l = elems.length;
  
  	for ( ; i < l; i++ ) {
  		elem = elems[ i ];
  
  		if ( elem || elem === 0 ) {
  
  			// Add nodes directly
  			if ( toType( elem ) === "object" ) {
  
  				// Support: Android <=4.0 only, PhantomJS 1 only
  				// push.apply(_, arraylike) throws on ancient WebKit
  				jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
  
  			// Convert non-html into a text node
  			} else if ( !rhtml.test( elem ) ) {
  				nodes.push( context.createTextNode( elem ) );
  
  			// Convert html into DOM nodes
  			} else {
  				tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
  
  				// Deserialize a standard representation
  				tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
  				wrap = wrapMap[ tag ] || wrapMap._default;
  				tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
  
  				// Descend through wrappers to the right content
  				j = wrap[ 0 ];
  				while ( j-- ) {
  					tmp = tmp.lastChild;
  				}
  
  				// Support: Android <=4.0 only, PhantomJS 1 only
  				// push.apply(_, arraylike) throws on ancient WebKit
  				jQuery.merge( nodes, tmp.childNodes );
  
  				// Remember the top-level container
  				tmp = fragment.firstChild;
  
  				// Ensure the created nodes are orphaned (#12392)
  				tmp.textContent = "";
  			}
  		}
  	}
  
  	// Remove wrapper from fragment
  	fragment.textContent = "";
  
  	i = 0;
  	while ( ( elem = nodes[ i++ ] ) ) {
  
  		// Skip elements already in the context collection (trac-4087)
  		if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
  			if ( ignored ) {
  				ignored.push( elem );
  			}
  			continue;
  		}
  
  		attached = isAttached( elem );
  
  		// Append to fragment
  		tmp = getAll( fragment.appendChild( elem ), "script" );
  
  		// Preserve script evaluation history
  		if ( attached ) {
  			setGlobalEval( tmp );
  		}
  
  		// Capture executables
  		if ( scripts ) {
  			j = 0;
  			while ( ( elem = tmp[ j++ ] ) ) {
  				if ( rscriptType.test( elem.type || "" ) ) {
  					scripts.push( elem );
  				}
  			}
  		}
  	}
  
  	return fragment;
  }
  
  
  ( function() {
  	var fragment = document.createDocumentFragment(),
  		div = fragment.appendChild( document.createElement( "div" ) ),
  		input = document.createElement( "input" );
  
  	// Support: Android 4.0 - 4.3 only
  	// Check state lost if the name is set (#11217)
  	// Support: Windows Web Apps (WWA)
  	// `name` and `type` must use .setAttribute for WWA (#14901)
  	input.setAttribute( "type", "radio" );
  	input.setAttribute( "checked", "checked" );
  	input.setAttribute( "name", "t" );
  
  	div.appendChild( input );
  
  	// Support: Android <=4.1 only
  	// Older WebKit doesn't clone checked state correctly in fragments
  	support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
  
  	// Support: IE <=11 only
  	// Make sure textarea (and checkbox) defaultValue is properly cloned
  	div.innerHTML = "<textarea>x</textarea>";
  	support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
  } )();
  
  
  var
  	rkeyEvent = /^key/,
  	rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
  	rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
  
  function returnTrue() {
  	return true;
  }
  
  function returnFalse() {
  	return false;
  }
  
  // Support: IE <=9 - 11+
  // focus() and blur() are asynchronous, except when they are no-op.
  // So expect focus to be synchronous when the element is already active,
  // and blur to be synchronous when the element is not already active.
  // (focus and blur are always synchronous in other supported browsers,
  // this just defines when we can count on it).
  function expectSync( elem, type ) {
  	return ( elem === safeActiveElement() ) === ( type === "focus" );
  }
  
  // Support: IE <=9 only
  // Accessing document.activeElement can throw unexpectedly
  // https://bugs.jquery.com/ticket/13393
  function safeActiveElement() {
  	try {
  		return document.activeElement;
  	} catch ( err ) { }
  }
  
  function on( elem, types, selector, data, fn, one ) {
  	var origFn, type;
  
  	// Types can be a map of types/handlers
  	if ( typeof types === "object" ) {
  
  		// ( types-Object, selector, data )
  		if ( typeof selector !== "string" ) {
  
  			// ( types-Object, data )
  			data = data || selector;
  			selector = undefined;
  		}
  		for ( type in types ) {
  			on( elem, type, selector, data, types[ type ], one );
  		}
  		return elem;
  	}
  
  	if ( data == null && fn == null ) {
  
  		// ( types, fn )
  		fn = selector;
  		data = selector = undefined;
  	} else if ( fn == null ) {
  		if ( typeof selector === "string" ) {
  
  			// ( types, selector, fn )
  			fn = data;
  			data = undefined;
  		} else {
  
  			// ( types, data, fn )
  			fn = data;
  			data = selector;
  			selector = undefined;
  		}
  	}
  	if ( fn === false ) {
  		fn = returnFalse;
  	} else if ( !fn ) {
  		return elem;
  	}
  
  	if ( one === 1 ) {
  		origFn = fn;
  		fn = function( event ) {
  
  			// Can use an empty set, since event contains the info
  			jQuery().off( event );
  			return origFn.apply( this, arguments );
  		};
  
  		// Use same guid so caller can remove using origFn
  		fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
  	}
  	return elem.each( function() {
  		jQuery.event.add( this, types, fn, data, selector );
  	} );
  }
  
  /*
   * Helper functions for managing events -- not part of the public interface.
   * Props to Dean Edwards' addEvent library for many of the ideas.
   */
  jQuery.event = {
  
  	global: {},
  
  	add: function( elem, types, handler, data, selector ) {
  
  		var handleObjIn, eventHandle, tmp,
  			events, t, handleObj,
  			special, handlers, type, namespaces, origType,
  			elemData = dataPriv.get( elem );
  
  		// Don't attach events to noData or text/comment nodes (but allow plain objects)
  		if ( !elemData ) {
  			return;
  		}
  
  		// Caller can pass in an object of custom data in lieu of the handler
  		if ( handler.handler ) {
  			handleObjIn = handler;
  			handler = handleObjIn.handler;
  			selector = handleObjIn.selector;
  		}
  
  		// Ensure that invalid selectors throw exceptions at attach time
  		// Evaluate against documentElement in case elem is a non-element node (e.g., document)
  		if ( selector ) {
  			jQuery.find.matchesSelector( documentElement, selector );
  		}
  
  		// Make sure that the handler has a unique ID, used to find/remove it later
  		if ( !handler.guid ) {
  			handler.guid = jQuery.guid++;
  		}
  
  		// Init the element's event structure and main handler, if this is the first
  		if ( !( events = elemData.events ) ) {
  			events = elemData.events = {};
  		}
  		if ( !( eventHandle = elemData.handle ) ) {
  			eventHandle = elemData.handle = function( e ) {
  
  				// Discard the second event of a jQuery.event.trigger() and
  				// when an event is called after a page has unloaded
  				return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
  					jQuery.event.dispatch.apply( elem, arguments ) : undefined;
  			};
  		}
  
  		// Handle multiple events separated by a space
  		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
  		t = types.length;
  		while ( t-- ) {
  			tmp = rtypenamespace.exec( types[ t ] ) || [];
  			type = origType = tmp[ 1 ];
  			namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
  
  			// There *must* be a type, no attaching namespace-only handlers
  			if ( !type ) {
  				continue;
  			}
  
  			// If event changes its type, use the special event handlers for the changed type
  			special = jQuery.event.special[ type ] || {};
  
  			// If selector defined, determine special event api type, otherwise given type
  			type = ( selector ? special.delegateType : special.bindType ) || type;
  
  			// Update special based on newly reset type
  			special = jQuery.event.special[ type ] || {};
  
  			// handleObj is passed to all event handlers
  			handleObj = jQuery.extend( {
  				type: type,
  				origType: origType,
  				data: data,
  				handler: handler,
  				guid: handler.guid,
  				selector: selector,
  				needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
  				namespace: namespaces.join( "." )
  			}, handleObjIn );
  
  			// Init the event handler queue if we're the first
  			if ( !( handlers = events[ type ] ) ) {
  				handlers = events[ type ] = [];
  				handlers.delegateCount = 0;
  
  				// Only use addEventListener if the special events handler returns false
  				if ( !special.setup ||
  					special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
  
  					if ( elem.addEventListener ) {
  						elem.addEventListener( type, eventHandle );
  					}
  				}
  			}
  
  			if ( special.add ) {
  				special.add.call( elem, handleObj );
  
  				if ( !handleObj.handler.guid ) {
  					handleObj.handler.guid = handler.guid;
  				}
  			}
  
  			// Add to the element's handler list, delegates in front
  			if ( selector ) {
  				handlers.splice( handlers.delegateCount++, 0, handleObj );
  			} else {
  				handlers.push( handleObj );
  			}
  
  			// Keep track of which events have ever been used, for event optimization
  			jQuery.event.global[ type ] = true;
  		}
  
  	},
  
  	// Detach an event or set of events from an element
  	remove: function( elem, types, handler, selector, mappedTypes ) {
  
  		var j, origCount, tmp,
  			events, t, handleObj,
  			special, handlers, type, namespaces, origType,
  			elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
  
  		if ( !elemData || !( events = elemData.events ) ) {
  			return;
  		}
  
  		// Once for each type.namespace in types; type may be omitted
  		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
  		t = types.length;
  		while ( t-- ) {
  			tmp = rtypenamespace.exec( types[ t ] ) || [];
  			type = origType = tmp[ 1 ];
  			namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
  
  			// Unbind all events (on this namespace, if provided) for the element
  			if ( !type ) {
  				for ( type in events ) {
  					jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
  				}
  				continue;
  			}
  
  			special = jQuery.event.special[ type ] || {};
  			type = ( selector ? special.delegateType : special.bindType ) || type;
  			handlers = events[ type ] || [];
  			tmp = tmp[ 2 ] &&
  				new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
  
  			// Remove matching events
  			origCount = j = handlers.length;
  			while ( j-- ) {
  				handleObj = handlers[ j ];
  
  				if ( ( mappedTypes || origType === handleObj.origType ) &&
  					( !handler || handler.guid === handleObj.guid ) &&
  					( !tmp || tmp.test( handleObj.namespace ) ) &&
  					( !selector || selector === handleObj.selector ||
  						selector === "**" && handleObj.selector ) ) {
  					handlers.splice( j, 1 );
  
  					if ( handleObj.selector ) {
  						handlers.delegateCount--;
  					}
  					if ( special.remove ) {
  						special.remove.call( elem, handleObj );
  					}
  				}
  			}
  
  			// Remove generic event handler if we removed something and no more handlers exist
  			// (avoids potential for endless recursion during removal of special event handlers)
  			if ( origCount && !handlers.length ) {
  				if ( !special.teardown ||
  					special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
  
  					jQuery.removeEvent( elem, type, elemData.handle );
  				}
  
  				delete events[ type ];
  			}
  		}
  
  		// Remove data and the expando if it's no longer used
  		if ( jQuery.isEmptyObject( events ) ) {
  			dataPriv.remove( elem, "handle events" );
  		}
  	},
  
  	dispatch: function( nativeEvent ) {
  
  		// Make a writable jQuery.Event from the native event object
  		var event = jQuery.event.fix( nativeEvent );
  
  		var i, j, ret, matched, handleObj, handlerQueue,
  			args = new Array( arguments.length ),
  			handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
  			special = jQuery.event.special[ event.type ] || {};
  
  		// Use the fix-ed jQuery.Event rather than the (read-only) native event
  		args[ 0 ] = event;
  
  		for ( i = 1; i < arguments.length; i++ ) {
  			args[ i ] = arguments[ i ];
  		}
  
  		event.delegateTarget = this;
  
  		// Call the preDispatch hook for the mapped type, and let it bail if desired
  		if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
  			return;
  		}
  
  		// Determine handlers
  		handlerQueue = jQuery.event.handlers.call( this, event, handlers );
  
  		// Run delegates first; they may want to stop propagation beneath us
  		i = 0;
  		while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
  			event.currentTarget = matched.elem;
  
  			j = 0;
  			while ( ( handleObj = matched.handlers[ j++ ] ) &&
  				!event.isImmediatePropagationStopped() ) {
  
  				// If the event is namespaced, then each handler is only invoked if it is
  				// specially universal or its namespaces are a superset of the event's.
  				if ( !event.rnamespace || handleObj.namespace === false ||
  					event.rnamespace.test( handleObj.namespace ) ) {
  
  					event.handleObj = handleObj;
  					event.data = handleObj.data;
  
  					ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
  						handleObj.handler ).apply( matched.elem, args );
  
  					if ( ret !== undefined ) {
  						if ( ( event.result = ret ) === false ) {
  							event.preventDefault();
  							event.stopPropagation();
  						}
  					}
  				}
  			}
  		}
  
  		// Call the postDispatch hook for the mapped type
  		if ( special.postDispatch ) {
  			special.postDispatch.call( this, event );
  		}
  
  		return event.result;
  	},
  
  	handlers: function( event, handlers ) {
  		var i, handleObj, sel, matchedHandlers, matchedSelectors,
  			handlerQueue = [],
  			delegateCount = handlers.delegateCount,
  			cur = event.target;
  
  		// Find delegate handlers
  		if ( delegateCount &&
  
  			// Support: IE <=9
  			// Black-hole SVG <use> instance trees (trac-13180)
  			cur.nodeType &&
  
  			// Support: Firefox <=42
  			// Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
  			// https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
  			// Support: IE 11 only
  			// ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
  			!( event.type === "click" && event.button >= 1 ) ) {
  
  			for ( ; cur !== this; cur = cur.parentNode || this ) {
  
  				// Don't check non-elements (#13208)
  				// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
  				if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
  					matchedHandlers = [];
  					matchedSelectors = {};
  					for ( i = 0; i < delegateCount; i++ ) {
  						handleObj = handlers[ i ];
  
  						// Don't conflict with Object.prototype properties (#13203)
  						sel = handleObj.selector + " ";
  
  						if ( matchedSelectors[ sel ] === undefined ) {
  							matchedSelectors[ sel ] = handleObj.needsContext ?
  								jQuery( sel, this ).index( cur ) > -1 :
  								jQuery.find( sel, this, null, [ cur ] ).length;
  						}
  						if ( matchedSelectors[ sel ] ) {
  							matchedHandlers.push( handleObj );
  						}
  					}
  					if ( matchedHandlers.length ) {
  						handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
  					}
  				}
  			}
  		}
  
  		// Add the remaining (directly-bound) handlers
  		cur = this;
  		if ( delegateCount < handlers.length ) {
  			handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
  		}
  
  		return handlerQueue;
  	},
  
  	addProp: function( name, hook ) {
  		Object.defineProperty( jQuery.Event.prototype, name, {
  			enumerable: true,
  			configurable: true,
  
  			get: isFunction( hook ) ?
  				function() {
  					if ( this.originalEvent ) {
  							return hook( this.originalEvent );
  					}
  				} :
  				function() {
  					if ( this.originalEvent ) {
  							return this.originalEvent[ name ];
  					}
  				},
  
  			set: function( value ) {
  				Object.defineProperty( this, name, {
  					enumerable: true,
  					configurable: true,
  					writable: true,
  					value: value
  				} );
  			}
  		} );
  	},
  
  	fix: function( originalEvent ) {
  		return originalEvent[ jQuery.expando ] ?
  			originalEvent :
  			new jQuery.Event( originalEvent );
  	},
  
  	special: {
  		load: {
  
  			// Prevent triggered image.load events from bubbling to window.load
  			noBubble: true
  		},
  		click: {
  
  			// Utilize native event to ensure correct state for checkable inputs
  			setup: function( data ) {
  
  				// For mutual compressibility with _default, replace `this` access with a local var.
  				// `|| data` is dead code meant only to preserve the variable through minification.
  				var el = this || data;
  
  				// Claim the first handler
  				if ( rcheckableType.test( el.type ) &&
  					el.click && nodeName( el, "input" ) ) {
  
  					// dataPriv.set( el, "click", ... )
  					leverageNative( el, "click", returnTrue );
  				}
  
  				// Return false to allow normal processing in the caller
  				return false;
  			},
  			trigger: function( data ) {
  
  				// For mutual compressibility with _default, replace `this` access with a local var.
  				// `|| data` is dead code meant only to preserve the variable through minification.
  				var el = this || data;
  
  				// Force setup before triggering a click
  				if ( rcheckableType.test( el.type ) &&
  					el.click && nodeName( el, "input" ) ) {
  
  					leverageNative( el, "click" );
  				}
  
  				// Return non-false to allow normal event-path propagation
  				return true;
  			},
  
  			// For cross-browser consistency, suppress native .click() on links
  			// Also prevent it if we're currently inside a leveraged native-event stack
  			_default: function( event ) {
  				var target = event.target;
  				return rcheckableType.test( target.type ) &&
  					target.click && nodeName( target, "input" ) &&
  					dataPriv.get( target, "click" ) ||
  					nodeName( target, "a" );
  			}
  		},
  
  		beforeunload: {
  			postDispatch: function( event ) {
  
  				// Support: Firefox 20+
  				// Firefox doesn't alert if the returnValue field is not set.
  				if ( event.result !== undefined && event.originalEvent ) {
  					event.originalEvent.returnValue = event.result;
  				}
  			}
  		}
  	}
  };
  
  // Ensure the presence of an event listener that handles manually-triggered
  // synthetic events by interrupting progress until reinvoked in response to
  // *native* events that it fires directly, ensuring that state changes have
  // already occurred before other listeners are invoked.
  function leverageNative( el, type, expectSync ) {
  
  	// Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
  	if ( !expectSync ) {
  		if ( dataPriv.get( el, type ) === undefined ) {
  			jQuery.event.add( el, type, returnTrue );
  		}
  		return;
  	}
  
  	// Register the controller as a special universal handler for all event namespaces
  	dataPriv.set( el, type, false );
  	jQuery.event.add( el, type, {
  		namespace: false,
  		handler: function( event ) {
  			var notAsync, result,
  				saved = dataPriv.get( this, type );
  
  			if ( ( event.isTrigger & 1 ) && this[ type ] ) {
  
  				// Interrupt processing of the outer synthetic .trigger()ed event
  				// Saved data should be false in such cases, but might be a leftover capture object
  				// from an async native handler (gh-4350)
  				if ( !saved.length ) {
  
  					// Store arguments for use when handling the inner native event
  					// There will always be at least one argument (an event object), so this array
  					// will not be confused with a leftover capture object.
  					saved = slice.call( arguments );
  					dataPriv.set( this, type, saved );
  
  					// Trigger the native event and capture its result
  					// Support: IE <=9 - 11+
  					// focus() and blur() are asynchronous
  					notAsync = expectSync( this, type );
  					this[ type ]();
  					result = dataPriv.get( this, type );
  					if ( saved !== result || notAsync ) {
  						dataPriv.set( this, type, false );
  					} else {
  						result = {};
  					}
  					if ( saved !== result ) {
  
  						// Cancel the outer synthetic event
  						event.stopImmediatePropagation();
  						event.preventDefault();
  						return result.value;
  					}
  
  				// If this is an inner synthetic event for an event with a bubbling surrogate
  				// (focus or blur), assume that the surrogate already propagated from triggering the
  				// native event and prevent that from happening again here.
  				// This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
  				// bubbling surrogate propagates *after* the non-bubbling base), but that seems
  				// less bad than duplication.
  				} else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
  					event.stopPropagation();
  				}
  
  			// If this is a native event triggered above, everything is now in order
  			// Fire an inner synthetic event with the original arguments
  			} else if ( saved.length ) {
  
  				// ...and capture the result
  				dataPriv.set( this, type, {
  					value: jQuery.event.trigger(
  
  						// Support: IE <=9 - 11+
  						// Extend with the prototype to reset the above stopImmediatePropagation()
  						jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
  						saved.slice( 1 ),
  						this
  					)
  				} );
  
  				// Abort handling of the native event
  				event.stopImmediatePropagation();
  			}
  		}
  	} );
  }
  
  jQuery.removeEvent = function( elem, type, handle ) {
  
  	// This "if" is needed for plain objects
  	if ( elem.removeEventListener ) {
  		elem.removeEventListener( type, handle );
  	}
  };
  
  jQuery.Event = function( src, props ) {
  
  	// Allow instantiation without the 'new' keyword
  	if ( !( this instanceof jQuery.Event ) ) {
  		return new jQuery.Event( src, props );
  	}
  
  	// Event object
  	if ( src && src.type ) {
  		this.originalEvent = src;
  		this.type = src.type;
  
  		// Events bubbling up the document may have been marked as prevented
  		// by a handler lower down the tree; reflect the correct value.
  		this.isDefaultPrevented = src.defaultPrevented ||
  				src.defaultPrevented === undefined &&
  
  				// Support: Android <=2.3 only
  				src.returnValue === false ?
  			returnTrue :
  			returnFalse;
  
  		// Create target properties
  		// Support: Safari <=6 - 7 only
  		// Target should not be a text node (#504, #13143)
  		this.target = ( src.target && src.target.nodeType === 3 ) ?
  			src.target.parentNode :
  			src.target;
  
  		this.currentTarget = src.currentTarget;
  		this.relatedTarget = src.relatedTarget;
  
  	// Event type
  	} else {
  		this.type = src;
  	}
  
  	// Put explicitly provided properties onto the event object
  	if ( props ) {
  		jQuery.extend( this, props );
  	}
  
  	// Create a timestamp if incoming event doesn't have one
  	this.timeStamp = src && src.timeStamp || Date.now();
  
  	// Mark it as fixed
  	this[ jQuery.expando ] = true;
  };
  
  // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
  // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
  jQuery.Event.prototype = {
  	constructor: jQuery.Event,
  	isDefaultPrevented: returnFalse,
  	isPropagationStopped: returnFalse,
  	isImmediatePropagationStopped: returnFalse,
  	isSimulated: false,
  
  	preventDefault: function() {
  		var e = this.originalEvent;
  
  		this.isDefaultPrevented = returnTrue;
  
  		if ( e && !this.isSimulated ) {
  			e.preventDefault();
  		}
  	},
  	stopPropagation: function() {
  		var e = this.originalEvent;
  
  		this.isPropagationStopped = returnTrue;
  
  		if ( e && !this.isSimulated ) {
  			e.stopPropagation();
  		}
  	},
  	stopImmediatePropagation: function() {
  		var e = this.originalEvent;
  
  		this.isImmediatePropagationStopped = returnTrue;
  
  		if ( e && !this.isSimulated ) {
  			e.stopImmediatePropagation();
  		}
  
  		this.stopPropagation();
  	}
  };
  
  // Includes all common event props including KeyEvent and MouseEvent specific props
  jQuery.each( {
  	altKey: true,
  	bubbles: true,
  	cancelable: true,
  	changedTouches: true,
  	ctrlKey: true,
  	detail: true,
  	eventPhase: true,
  	metaKey: true,
  	pageX: true,
  	pageY: true,
  	shiftKey: true,
  	view: true,
  	"char": true,
  	code: true,
  	charCode: true,
  	key: true,
  	keyCode: true,
  	button: true,
  	buttons: true,
  	clientX: true,
  	clientY: true,
  	offsetX: true,
  	offsetY: true,
  	pointerId: true,
  	pointerType: true,
  	screenX: true,
  	screenY: true,
  	targetTouches: true,
  	toElement: true,
  	touches: true,
  
  	which: function( event ) {
  		var button = event.button;
  
  		// Add which for key events
  		if ( event.which == null && rkeyEvent.test( event.type ) ) {
  			return event.charCode != null ? event.charCode : event.keyCode;
  		}
  
  		// Add which for click: 1 === left; 2 === middle; 3 === right
  		if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
  			if ( button & 1 ) {
  				return 1;
  			}
  
  			if ( button & 2 ) {
  				return 3;
  			}
  
  			if ( button & 4 ) {
  				return 2;
  			}
  
  			return 0;
  		}
  
  		return event.which;
  	}
  }, jQuery.event.addProp );
  
  jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
  	jQuery.event.special[ type ] = {
  
  		// Utilize native event if possible so blur/focus sequence is correct
  		setup: function() {
  
  			// Claim the first handler
  			// dataPriv.set( this, "focus", ... )
  			// dataPriv.set( this, "blur", ... )
  			leverageNative( this, type, expectSync );
  
  			// Return false to allow normal processing in the caller
  			return false;
  		},
  		trigger: function() {
  
  			// Force setup before trigger
  			leverageNative( this, type );
  
  			// Return non-false to allow normal event-path propagation
  			return true;
  		},
  
  		delegateType: delegateType
  	};
  } );
  
  // Create mouseenter/leave events using mouseover/out and event-time checks
  // so that event delegation works in jQuery.
  // Do the same for pointerenter/pointerleave and pointerover/pointerout
  //
  // Support: Safari 7 only
  // Safari sends mouseenter too often; see:
  // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
  // for the description of the bug (it existed in older Chrome versions as well).
  jQuery.each( {
  	mouseenter: "mouseover",
  	mouseleave: "mouseout",
  	pointerenter: "pointerover",
  	pointerleave: "pointerout"
  }, function( orig, fix ) {
  	jQuery.event.special[ orig ] = {
  		delegateType: fix,
  		bindType: fix,
  
  		handle: function( event ) {
  			var ret,
  				target = this,
  				related = event.relatedTarget,
  				handleObj = event.handleObj;
  
  			// For mouseenter/leave call the handler if related is outside the target.
  			// NB: No relatedTarget if the mouse left/entered the browser window
  			if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
  				event.type = handleObj.origType;
  				ret = handleObj.handler.apply( this, arguments );
  				event.type = fix;
  			}
  			return ret;
  		}
  	};
  } );
  
  jQuery.fn.extend( {
  
  	on: function( types, selector, data, fn ) {
  		return on( this, types, selector, data, fn );
  	},
  	one: function( types, selector, data, fn ) {
  		return on( this, types, selector, data, fn, 1 );
  	},
  	off: function( types, selector, fn ) {
  		var handleObj, type;
  		if ( types && types.preventDefault && types.handleObj ) {
  
  			// ( event )  dispatched jQuery.Event
  			handleObj = types.handleObj;
  			jQuery( types.delegateTarget ).off(
  				handleObj.namespace ?
  					handleObj.origType + "." + handleObj.namespace :
  					handleObj.origType,
  				handleObj.selector,
  				handleObj.handler
  			);
  			return this;
  		}
  		if ( typeof types === "object" ) {
  
  			// ( types-object [, selector] )
  			for ( type in types ) {
  				this.off( type, selector, types[ type ] );
  			}
  			return this;
  		}
  		if ( selector === false || typeof selector === "function" ) {
  
  			// ( types [, fn] )
  			fn = selector;
  			selector = undefined;
  		}
  		if ( fn === false ) {
  			fn = returnFalse;
  		}
  		return this.each( function() {
  			jQuery.event.remove( this, types, fn, selector );
  		} );
  	}
  } );
  
  
  var
  
  	/* eslint-disable max-len */
  
  	// See https://github.com/eslint/eslint/issues/3229
  	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
  
  	/* eslint-enable */
  
  	// Support: IE <=10 - 11, Edge 12 - 13 only
  	// In IE/Edge using regex groups here causes severe slowdowns.
  	// See https://connect.microsoft.com/IE/feedback/details/1736512/
  	rnoInnerhtml = /<script|<style|<link/i,
  
  	// checked="checked" or checked
  	rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
  	rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
  
  // Prefer a tbody over its parent table for containing new rows
  function manipulationTarget( elem, content ) {
  	if ( nodeName( elem, "table" ) &&
  		nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
  
  		return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
  	}
  
  	return elem;
  }
  
  // Replace/restore the type attribute of script elements for safe DOM manipulation
  function disableScript( elem ) {
  	elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
  	return elem;
  }
  function restoreScript( elem ) {
  	if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
  		elem.type = elem.type.slice( 5 );
  	} else {
  		elem.removeAttribute( "type" );
  	}
  
  	return elem;
  }
  
  function cloneCopyEvent( src, dest ) {
  	var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
  
  	if ( dest.nodeType !== 1 ) {
  		return;
  	}
  
  	// 1. Copy private data: events, handlers, etc.
  	if ( dataPriv.hasData( src ) ) {
  		pdataOld = dataPriv.access( src );
  		pdataCur = dataPriv.set( dest, pdataOld );
  		events = pdataOld.events;
  
  		if ( events ) {
  			delete pdataCur.handle;
  			pdataCur.events = {};
  
  			for ( type in events ) {
  				for ( i = 0, l = events[ type ].length; i < l; i++ ) {
  					jQuery.event.add( dest, type, events[ type ][ i ] );
  				}
  			}
  		}
  	}
  
  	// 2. Copy user data
  	if ( dataUser.hasData( src ) ) {
  		udataOld = dataUser.access( src );
  		udataCur = jQuery.extend( {}, udataOld );
  
  		dataUser.set( dest, udataCur );
  	}
  }
  
  // Fix IE bugs, see support tests
  function fixInput( src, dest ) {
  	var nodeName = dest.nodeName.toLowerCase();
  
  	// Fails to persist the checked state of a cloned checkbox or radio button.
  	if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
  		dest.checked = src.checked;
  
  	// Fails to return the selected option to the default selected state when cloning options
  	} else if ( nodeName === "input" || nodeName === "textarea" ) {
  		dest.defaultValue = src.defaultValue;
  	}
  }
  
  function domManip( collection, args, callback, ignored ) {
  
  	// Flatten any nested arrays
  	args = concat.apply( [], args );
  
  	var fragment, first, scripts, hasScripts, node, doc,
  		i = 0,
  		l = collection.length,
  		iNoClone = l - 1,
  		value = args[ 0 ],
  		valueIsFunction = isFunction( value );
  
  	// We can't cloneNode fragments that contain checked, in WebKit
  	if ( valueIsFunction ||
  			( l > 1 && typeof value === "string" &&
  				!support.checkClone && rchecked.test( value ) ) ) {
  		return collection.each( function( index ) {
  			var self = collection.eq( index );
  			if ( valueIsFunction ) {
  				args[ 0 ] = value.call( this, index, self.html() );
  			}
  			domManip( self, args, callback, ignored );
  		} );
  	}
  
  	if ( l ) {
  		fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
  		first = fragment.firstChild;
  
  		if ( fragment.childNodes.length === 1 ) {
  			fragment = first;
  		}
  
  		// Require either new content or an interest in ignored elements to invoke the callback
  		if ( first || ignored ) {
  			scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
  			hasScripts = scripts.length;
  
  			// Use the original fragment for the last item
  			// instead of the first because it can end up
  			// being emptied incorrectly in certain situations (#8070).
  			for ( ; i < l; i++ ) {
  				node = fragment;
  
  				if ( i !== iNoClone ) {
  					node = jQuery.clone( node, true, true );
  
  					// Keep references to cloned scripts for later restoration
  					if ( hasScripts ) {
  
  						// Support: Android <=4.0 only, PhantomJS 1 only
  						// push.apply(_, arraylike) throws on ancient WebKit
  						jQuery.merge( scripts, getAll( node, "script" ) );
  					}
  				}
  
  				callback.call( collection[ i ], node, i );
  			}
  
  			if ( hasScripts ) {
  				doc = scripts[ scripts.length - 1 ].ownerDocument;
  
  				// Reenable scripts
  				jQuery.map( scripts, restoreScript );
  
  				// Evaluate executable scripts on first document insertion
  				for ( i = 0; i < hasScripts; i++ ) {
  					node = scripts[ i ];
  					if ( rscriptType.test( node.type || "" ) &&
  						!dataPriv.access( node, "globalEval" ) &&
  						jQuery.contains( doc, node ) ) {
  
  						if ( node.src && ( node.type || "" ).toLowerCase()  !== "module" ) {
  
  							// Optional AJAX dependency, but won't run scripts if not present
  							if ( jQuery._evalUrl && !node.noModule ) {
  								jQuery._evalUrl( node.src, {
  									nonce: node.nonce || node.getAttribute( "nonce" )
  								} );
  							}
  						} else {
  							DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
  						}
  					}
  				}
  			}
  		}
  	}
  
  	return collection;
  }
  
  function remove( elem, selector, keepData ) {
  	var node,
  		nodes = selector ? jQuery.filter( selector, elem ) : elem,
  		i = 0;
  
  	for ( ; ( node = nodes[ i ] ) != null; i++ ) {
  		if ( !keepData && node.nodeType === 1 ) {
  			jQuery.cleanData( getAll( node ) );
  		}
  
  		if ( node.parentNode ) {
  			if ( keepData && isAttached( node ) ) {
  				setGlobalEval( getAll( node, "script" ) );
  			}
  			node.parentNode.removeChild( node );
  		}
  	}
  
  	return elem;
  }
  
  jQuery.extend( {
  	htmlPrefilter: function( html ) {
  		return html.replace( rxhtmlTag, "<$1></$2>" );
  	},
  
  	clone: function( elem, dataAndEvents, deepDataAndEvents ) {
  		var i, l, srcElements, destElements,
  			clone = elem.cloneNode( true ),
  			inPage = isAttached( elem );
  
  		// Fix IE cloning issues
  		if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
  				!jQuery.isXMLDoc( elem ) ) {
  
  			// We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
  			destElements = getAll( clone );
  			srcElements = getAll( elem );
  
  			for ( i = 0, l = srcElements.length; i < l; i++ ) {
  				fixInput( srcElements[ i ], destElements[ i ] );
  			}
  		}
  
  		// Copy the events from the original to the clone
  		if ( dataAndEvents ) {
  			if ( deepDataAndEvents ) {
  				srcElements = srcElements || getAll( elem );
  				destElements = destElements || getAll( clone );
  
  				for ( i = 0, l = srcElements.length; i < l; i++ ) {
  					cloneCopyEvent( srcElements[ i ], destElements[ i ] );
  				}
  			} else {
  				cloneCopyEvent( elem, clone );
  			}
  		}
  
  		// Preserve script evaluation history
  		destElements = getAll( clone, "script" );
  		if ( destElements.length > 0 ) {
  			setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
  		}
  
  		// Return the cloned set
  		return clone;
  	},
  
  	cleanData: function( elems ) {
  		var data, elem, type,
  			special = jQuery.event.special,
  			i = 0;
  
  		for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
  			if ( acceptData( elem ) ) {
  				if ( ( data = elem[ dataPriv.expando ] ) ) {
  					if ( data.events ) {
  						for ( type in data.events ) {
  							if ( special[ type ] ) {
  								jQuery.event.remove( elem, type );
  
  							// This is a shortcut to avoid jQuery.event.remove's overhead
  							} else {
  								jQuery.removeEvent( elem, type, data.handle );
  							}
  						}
  					}
  
  					// Support: Chrome <=35 - 45+
  					// Assign undefined instead of using delete, see Data#remove
  					elem[ dataPriv.expando ] = undefined;
  				}
  				if ( elem[ dataUser.expando ] ) {
  
  					// Support: Chrome <=35 - 45+
  					// Assign undefined instead of using delete, see Data#remove
  					elem[ dataUser.expando ] = undefined;
  				}
  			}
  		}
  	}
  } );
  
  jQuery.fn.extend( {
  	detach: function( selector ) {
  		return remove( this, selector, true );
  	},
  
  	remove: function( selector ) {
  		return remove( this, selector );
  	},
  
  	text: function( value ) {
  		return access( this, function( value ) {
  			return value === undefined ?
  				jQuery.text( this ) :
  				this.empty().each( function() {
  					if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
  						this.textContent = value;
  					}
  				} );
  		}, null, value, arguments.length );
  	},
  
  	append: function() {
  		return domManip( this, arguments, function( elem ) {
  			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
  				var target = manipulationTarget( this, elem );
  				target.appendChild( elem );
  			}
  		} );
  	},
  
  	prepend: function() {
  		return domManip( this, arguments, function( elem ) {
  			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
  				var target = manipulationTarget( this, elem );
  				target.insertBefore( elem, target.firstChild );
  			}
  		} );
  	},
  
  	before: function() {
  		return domManip( this, arguments, function( elem ) {
  			if ( this.parentNode ) {
  				this.parentNode.insertBefore( elem, this );
  			}
  		} );
  	},
  
  	after: function() {
  		return domManip( this, arguments, function( elem ) {
  			if ( this.parentNode ) {
  				this.parentNode.insertBefore( elem, this.nextSibling );
  			}
  		} );
  	},
  
  	empty: function() {
  		var elem,
  			i = 0;
  
  		for ( ; ( elem = this[ i ] ) != null; i++ ) {
  			if ( elem.nodeType === 1 ) {
  
  				// Prevent memory leaks
  				jQuery.cleanData( getAll( elem, false ) );
  
  				// Remove any remaining nodes
  				elem.textContent = "";
  			}
  		}
  
  		return this;
  	},
  
  	clone: function( dataAndEvents, deepDataAndEvents ) {
  		dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
  		deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
  
  		return this.map( function() {
  			return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
  		} );
  	},
  
  	html: function( value ) {
  		return access( this, function( value ) {
  			var elem = this[ 0 ] || {},
  				i = 0,
  				l = this.length;
  
  			if ( value === undefined && elem.nodeType === 1 ) {
  				return elem.innerHTML;
  			}
  
  			// See if we can take a shortcut and just use innerHTML
  			if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
  				!wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
  
  				value = jQuery.htmlPrefilter( value );
  
  				try {
  					for ( ; i < l; i++ ) {
  						elem = this[ i ] || {};
  
  						// Remove element nodes and prevent memory leaks
  						if ( elem.nodeType === 1 ) {
  							jQuery.cleanData( getAll( elem, false ) );
  							elem.innerHTML = value;
  						}
  					}
  
  					elem = 0;
  
  				// If using innerHTML throws an exception, use the fallback method
  				} catch ( e ) {}
  			}
  
  			if ( elem ) {
  				this.empty().append( value );
  			}
  		}, null, value, arguments.length );
  	},
  
  	replaceWith: function() {
  		var ignored = [];
  
  		// Make the changes, replacing each non-ignored context element with the new content
  		return domManip( this, arguments, function( elem ) {
  			var parent = this.parentNode;
  
  			if ( jQuery.inArray( this, ignored ) < 0 ) {
  				jQuery.cleanData( getAll( this ) );
  				if ( parent ) {
  					parent.replaceChild( elem, this );
  				}
  			}
  
  		// Force callback invocation
  		}, ignored );
  	}
  } );
  
  jQuery.each( {
  	appendTo: "append",
  	prependTo: "prepend",
  	insertBefore: "before",
  	insertAfter: "after",
  	replaceAll: "replaceWith"
  }, function( name, original ) {
  	jQuery.fn[ name ] = function( selector ) {
  		var elems,
  			ret = [],
  			insert = jQuery( selector ),
  			last = insert.length - 1,
  			i = 0;
  
  		for ( ; i <= last; i++ ) {
  			elems = i === last ? this : this.clone( true );
  			jQuery( insert[ i ] )[ original ]( elems );
  
  			// Support: Android <=4.0 only, PhantomJS 1 only
  			// .get() because push.apply(_, arraylike) throws on ancient WebKit
  			push.apply( ret, elems.get() );
  		}
  
  		return this.pushStack( ret );
  	};
  } );
  var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
  
  var getStyles = function( elem ) {
  
  		// Support: IE <=11 only, Firefox <=30 (#15098, #14150)
  		// IE throws on elements created in popups
  		// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
  		var view = elem.ownerDocument.defaultView;
  
  		if ( !view || !view.opener ) {
  			view = window;
  		}
  
  		return view.getComputedStyle( elem );
  	};
  
  var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
  
  
  
  ( function() {
  
  	// Executing both pixelPosition & boxSizingReliable tests require only one layout
  	// so they're executed at the same time to save the second computation.
  	function computeStyleTests() {
  
  		// This is a singleton, we need to execute it only once
  		if ( !div ) {
  			return;
  		}
  
  		container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
  			"margin-top:1px;padding:0;border:0";
  		div.style.cssText =
  			"position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
  			"margin:auto;border:1px;padding:1px;" +
  			"width:60%;top:1%";
  		documentElement.appendChild( container ).appendChild( div );
  
  		var divStyle = window.getComputedStyle( div );
  		pixelPositionVal = divStyle.top !== "1%";
  
  		// Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
  		reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
  
  		// Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
  		// Some styles come back with percentage values, even though they shouldn't
  		div.style.right = "60%";
  		pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
  
  		// Support: IE 9 - 11 only
  		// Detect misreporting of content dimensions for box-sizing:border-box elements
  		boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
  
  		// Support: IE 9 only
  		// Detect overflow:scroll screwiness (gh-3699)
  		// Support: Chrome <=64
  		// Don't get tricked when zoom affects offsetWidth (gh-4029)
  		div.style.position = "absolute";
  		scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
  
  		documentElement.removeChild( container );
  
  		// Nullify the div so it wouldn't be stored in the memory and
  		// it will also be a sign that checks already performed
  		div = null;
  	}
  
  	function roundPixelMeasures( measure ) {
  		return Math.round( parseFloat( measure ) );
  	}
  
  	var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
  		reliableMarginLeftVal,
  		container = document.createElement( "div" ),
  		div = document.createElement( "div" );
  
  	// Finish early in limited (non-browser) environments
  	if ( !div.style ) {
  		return;
  	}
  
  	// Support: IE <=9 - 11 only
  	// Style of cloned element affects source element cloned (#8908)
  	div.style.backgroundClip = "content-box";
  	div.cloneNode( true ).style.backgroundClip = "";
  	support.clearCloneStyle = div.style.backgroundClip === "content-box";
  
  	jQuery.extend( support, {
  		boxSizingReliable: function() {
  			computeStyleTests();
  			return boxSizingReliableVal;
  		},
  		pixelBoxStyles: function() {
  			computeStyleTests();
  			return pixelBoxStylesVal;
  		},
  		pixelPosition: function() {
  			computeStyleTests();
  			return pixelPositionVal;
  		},
  		reliableMarginLeft: function() {
  			computeStyleTests();
  			return reliableMarginLeftVal;
  		},
  		scrollboxSize: function() {
  			computeStyleTests();
  			return scrollboxSizeVal;
  		}
  	} );
  } )();
  
  
  function curCSS( elem, name, computed ) {
  	var width, minWidth, maxWidth, ret,
  
  		// Support: Firefox 51+
  		// Retrieving style before computed somehow
  		// fixes an issue with getting wrong values
  		// on detached elements
  		style = elem.style;
  
  	computed = computed || getStyles( elem );
  
  	// getPropertyValue is needed for:
  	//   .css('filter') (IE 9 only, #12537)
  	//   .css('--customProperty) (#3144)
  	if ( computed ) {
  		ret = computed.getPropertyValue( name ) || computed[ name ];
  
  		if ( ret === "" && !isAttached( elem ) ) {
  			ret = jQuery.style( elem, name );
  		}
  
  		// A tribute to the "awesome hack by Dean Edwards"
  		// Android Browser returns percentage for some values,
  		// but width seems to be reliably pixels.
  		// This is against the CSSOM draft spec:
  		// https://drafts.csswg.org/cssom/#resolved-values
  		if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
  
  			// Remember the original values
  			width = style.width;
  			minWidth = style.minWidth;
  			maxWidth = style.maxWidth;
  
  			// Put in the new values to get a computed value out
  			style.minWidth = style.maxWidth = style.width = ret;
  			ret = computed.width;
  
  			// Revert the changed values
  			style.width = width;
  			style.minWidth = minWidth;
  			style.maxWidth = maxWidth;
  		}
  	}
  
  	return ret !== undefined ?
  
  		// Support: IE <=9 - 11 only
  		// IE returns zIndex value as an integer.
  		ret + "" :
  		ret;
  }
  
  
  function addGetHookIf( conditionFn, hookFn ) {
  
  	// Define the hook, we'll check on the first run if it's really needed.
  	return {
  		get: function() {
  			if ( conditionFn() ) {
  
  				// Hook not needed (or it's not possible to use it due
  				// to missing dependency), remove it.
  				delete this.get;
  				return;
  			}
  
  			// Hook needed; redefine it so that the support test is not executed again.
  			return ( this.get = hookFn ).apply( this, arguments );
  		}
  	};
  }
  
  
  var cssPrefixes = [ "Webkit", "Moz", "ms" ],
  	emptyStyle = document.createElement( "div" ).style,
  	vendorProps = {};
  
  // Return a vendor-prefixed property or undefined
  function vendorPropName( name ) {
  
  	// Check for vendor prefixed names
  	var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
  		i = cssPrefixes.length;
  
  	while ( i-- ) {
  		name = cssPrefixes[ i ] + capName;
  		if ( name in emptyStyle ) {
  			return name;
  		}
  	}
  }
  
  // Return a potentially-mapped jQuery.cssProps or vendor prefixed property
  function finalPropName( name ) {
  	var final = jQuery.cssProps[ name ] || vendorProps[ name ];
  
  	if ( final ) {
  		return final;
  	}
  	if ( name in emptyStyle ) {
  		return name;
  	}
  	return vendorProps[ name ] = vendorPropName( name ) || name;
  }
  
  
  var
  
  	// Swappable if display is none or starts with table
  	// except "table", "table-cell", or "table-caption"
  	// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
  	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
  	rcustomProp = /^--/,
  	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
  	cssNormalTransform = {
  		letterSpacing: "0",
  		fontWeight: "400"
  	};
  
  function setPositiveNumber( elem, value, subtract ) {
  
  	// Any relative (+/-) values have already been
  	// normalized at this point
  	var matches = rcssNum.exec( value );
  	return matches ?
  
  		// Guard against undefined "subtract", e.g., when used as in cssHooks
  		Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
  		value;
  }
  
  function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
  	var i = dimension === "width" ? 1 : 0,
  		extra = 0,
  		delta = 0;
  
  	// Adjustment may not be necessary
  	if ( box === ( isBorderBox ? "border" : "content" ) ) {
  		return 0;
  	}
  
  	for ( ; i < 4; i += 2 ) {
  
  		// Both box models exclude margin
  		if ( box === "margin" ) {
  			delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
  		}
  
  		// If we get here with a content-box, we're seeking "padding" or "border" or "margin"
  		if ( !isBorderBox ) {
  
  			// Add padding
  			delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
  
  			// For "border" or "margin", add border
  			if ( box !== "padding" ) {
  				delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
  
  			// But still keep track of it otherwise
  			} else {
  				extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
  			}
  
  		// If we get here with a border-box (content + padding + border), we're seeking "content" or
  		// "padding" or "margin"
  		} else {
  
  			// For "content", subtract padding
  			if ( box === "content" ) {
  				delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
  			}
  
  			// For "content" or "padding", subtract border
  			if ( box !== "margin" ) {
  				delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
  			}
  		}
  	}
  
  	// Account for positive content-box scroll gutter when requested by providing computedVal
  	if ( !isBorderBox && computedVal >= 0 ) {
  
  		// offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
  		// Assuming integer scroll gutter, subtract the rest and round down
  		delta += Math.max( 0, Math.ceil(
  			elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
  			computedVal -
  			delta -
  			extra -
  			0.5
  
  		// If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
  		// Use an explicit zero to avoid NaN (gh-3964)
  		) ) || 0;
  	}
  
  	return delta;
  }
  
  function getWidthOrHeight( elem, dimension, extra ) {
  
  	// Start with computed style
  	var styles = getStyles( elem ),
  
  		// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
  		// Fake content-box until we know it's needed to know the true value.
  		boxSizingNeeded = !support.boxSizingReliable() || extra,
  		isBorderBox = boxSizingNeeded &&
  			jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
  		valueIsBorderBox = isBorderBox,
  
  		val = curCSS( elem, dimension, styles ),
  		offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
  
  	// Support: Firefox <=54
  	// Return a confounding non-pixel value or feign ignorance, as appropriate.
  	if ( rnumnonpx.test( val ) ) {
  		if ( !extra ) {
  			return val;
  		}
  		val = "auto";
  	}
  
  
  	// Fall back to offsetWidth/offsetHeight when value is "auto"
  	// This happens for inline elements with no explicit setting (gh-3571)
  	// Support: Android <=4.1 - 4.3 only
  	// Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
  	// Support: IE 9-11 only
  	// Also use offsetWidth/offsetHeight for when box sizing is unreliable
  	// We use getClientRects() to check for hidden/disconnected.
  	// In those cases, the computed value can be trusted to be border-box
  	if ( ( !support.boxSizingReliable() && isBorderBox ||
  		val === "auto" ||
  		!parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
  		elem.getClientRects().length ) {
  
  		isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
  
  		// Where available, offsetWidth/offsetHeight approximate border box dimensions.
  		// Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
  		// retrieved value as a content box dimension.
  		valueIsBorderBox = offsetProp in elem;
  		if ( valueIsBorderBox ) {
  			val = elem[ offsetProp ];
  		}
  	}
  
  	// Normalize "" and auto
  	val = parseFloat( val ) || 0;
  
  	// Adjust for the element's box model
  	return ( val +
  		boxModelAdjustment(
  			elem,
  			dimension,
  			extra || ( isBorderBox ? "border" : "content" ),
  			valueIsBorderBox,
  			styles,
  
  			// Provide the current computed size to request scroll gutter calculation (gh-3589)
  			val
  		)
  	) + "px";
  }
  
  jQuery.extend( {
  
  	// Add in style property hooks for overriding the default
  	// behavior of getting and setting a style property
  	cssHooks: {
  		opacity: {
  			get: function( elem, computed ) {
  				if ( computed ) {
  
  					// We should always get a number back from opacity
  					var ret = curCSS( elem, "opacity" );
  					return ret === "" ? "1" : ret;
  				}
  			}
  		}
  	},
  
  	// Don't automatically add "px" to these possibly-unitless properties
  	cssNumber: {
  		"animationIterationCount": true,
  		"columnCount": true,
  		"fillOpacity": true,
  		"flexGrow": true,
  		"flexShrink": true,
  		"fontWeight": true,
  		"gridArea": true,
  		"gridColumn": true,
  		"gridColumnEnd": true,
  		"gridColumnStart": true,
  		"gridRow": true,
  		"gridRowEnd": true,
  		"gridRowStart": true,
  		"lineHeight": true,
  		"opacity": true,
  		"order": true,
  		"orphans": true,
  		"widows": true,
  		"zIndex": true,
  		"zoom": true
  	},
  
  	// Add in properties whose names you wish to fix before
  	// setting or getting the value
  	cssProps: {},
  
  	// Get and set the style property on a DOM Node
  	style: function( elem, name, value, extra ) {
  
  		// Don't set styles on text and comment nodes
  		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
  			return;
  		}
  
  		// Make sure that we're working with the right name
  		var ret, type, hooks,
  			origName = camelCase( name ),
  			isCustomProp = rcustomProp.test( name ),
  			style = elem.style;
  
  		// Make sure that we're working with the right name. We don't
  		// want to query the value if it is a CSS custom property
  		// since they are user-defined.
  		if ( !isCustomProp ) {
  			name = finalPropName( origName );
  		}
  
  		// Gets hook for the prefixed version, then unprefixed version
  		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
  
  		// Check if we're setting a value
  		if ( value !== undefined ) {
  			type = typeof value;
  
  			// Convert "+=" or "-=" to relative numbers (#7345)
  			if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
  				value = adjustCSS( elem, name, ret );
  
  				// Fixes bug #9237
  				type = "number";
  			}
  
  			// Make sure that null and NaN values aren't set (#7116)
  			if ( value == null || value !== value ) {
  				return;
  			}
  
  			// If a number was passed in, add the unit (except for certain CSS properties)
  			// The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
  			// "px" to a few hardcoded values.
  			if ( type === "number" && !isCustomProp ) {
  				value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
  			}
  
  			// background-* props affect original clone's values
  			if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
  				style[ name ] = "inherit";
  			}
  
  			// If a hook was provided, use that value, otherwise just set the specified value
  			if ( !hooks || !( "set" in hooks ) ||
  				( value = hooks.set( elem, value, extra ) ) !== undefined ) {
  
  				if ( isCustomProp ) {
  					style.setProperty( name, value );
  				} else {
  					style[ name ] = value;
  				}
  			}
  
  		} else {
  
  			// If a hook was provided get the non-computed value from there
  			if ( hooks && "get" in hooks &&
  				( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
  
  				return ret;
  			}
  
  			// Otherwise just get the value from the style object
  			return style[ name ];
  		}
  	},
  
  	css: function( elem, name, extra, styles ) {
  		var val, num, hooks,
  			origName = camelCase( name ),
  			isCustomProp = rcustomProp.test( name );
  
  		// Make sure that we're working with the right name. We don't
  		// want to modify the value if it is a CSS custom property
  		// since they are user-defined.
  		if ( !isCustomProp ) {
  			name = finalPropName( origName );
  		}
  
  		// Try prefixed name followed by the unprefixed name
  		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
  
  		// If a hook was provided get the computed value from there
  		if ( hooks && "get" in hooks ) {
  			val = hooks.get( elem, true, extra );
  		}
  
  		// Otherwise, if a way to get the computed value exists, use that
  		if ( val === undefined ) {
  			val = curCSS( elem, name, styles );
  		}
  
  		// Convert "normal" to computed value
  		if ( val === "normal" && name in cssNormalTransform ) {
  			val = cssNormalTransform[ name ];
  		}
  
  		// Make numeric if forced or a qualifier was provided and val looks numeric
  		if ( extra === "" || extra ) {
  			num = parseFloat( val );
  			return extra === true || isFinite( num ) ? num || 0 : val;
  		}
  
  		return val;
  	}
  } );
  
  jQuery.each( [ "height", "width" ], function( i, dimension ) {
  	jQuery.cssHooks[ dimension ] = {
  		get: function( elem, computed, extra ) {
  			if ( computed ) {
  
  				// Certain elements can have dimension info if we invisibly show them
  				// but it must have a current display style that would benefit
  				return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
  
  					// Support: Safari 8+
  					// Table columns in Safari have non-zero offsetWidth & zero
  					// getBoundingClientRect().width unless display is changed.
  					// Support: IE <=11 only
  					// Running getBoundingClientRect on a disconnected node
  					// in IE throws an error.
  					( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
  						swap( elem, cssShow, function() {
  							return getWidthOrHeight( elem, dimension, extra );
  						} ) :
  						getWidthOrHeight( elem, dimension, extra );
  			}
  		},
  
  		set: function( elem, value, extra ) {
  			var matches,
  				styles = getStyles( elem ),
  
  				// Only read styles.position if the test has a chance to fail
  				// to avoid forcing a reflow.
  				scrollboxSizeBuggy = !support.scrollboxSize() &&
  					styles.position === "absolute",
  
  				// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
  				boxSizingNeeded = scrollboxSizeBuggy || extra,
  				isBorderBox = boxSizingNeeded &&
  					jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
  				subtract = extra ?
  					boxModelAdjustment(
  						elem,
  						dimension,
  						extra,
  						isBorderBox,
  						styles
  					) :
  					0;
  
  			// Account for unreliable border-box dimensions by comparing offset* to computed and
  			// faking a content-box to get border and padding (gh-3699)
  			if ( isBorderBox && scrollboxSizeBuggy ) {
  				subtract -= Math.ceil(
  					elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
  					parseFloat( styles[ dimension ] ) -
  					boxModelAdjustment( elem, dimension, "border", false, styles ) -
  					0.5
  				);
  			}
  
  			// Convert to pixels if value adjustment is needed
  			if ( subtract && ( matches = rcssNum.exec( value ) ) &&
  				( matches[ 3 ] || "px" ) !== "px" ) {
  
  				elem.style[ dimension ] = value;
  				value = jQuery.css( elem, dimension );
  			}
  
  			return setPositiveNumber( elem, value, subtract );
  		}
  	};
  } );
  
  jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
  	function( elem, computed ) {
  		if ( computed ) {
  			return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
  				elem.getBoundingClientRect().left -
  					swap( elem, { marginLeft: 0 }, function() {
  						return elem.getBoundingClientRect().left;
  					} )
  				) + "px";
  		}
  	}
  );
  
  // These hooks are used by animate to expand properties
  jQuery.each( {
  	margin: "",
  	padding: "",
  	border: "Width"
  }, function( prefix, suffix ) {
  	jQuery.cssHooks[ prefix + suffix ] = {
  		expand: function( value ) {
  			var i = 0,
  				expanded = {},
  
  				// Assumes a single number if not a string
  				parts = typeof value === "string" ? value.split( " " ) : [ value ];
  
  			for ( ; i < 4; i++ ) {
  				expanded[ prefix + cssExpand[ i ] + suffix ] =
  					parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
  			}
  
  			return expanded;
  		}
  	};
  
  	if ( prefix !== "margin" ) {
  		jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
  	}
  } );
  
  jQuery.fn.extend( {
  	css: function( name, value ) {
  		return access( this, function( elem, name, value ) {
  			var styles, len,
  				map = {},
  				i = 0;
  
  			if ( Array.isArray( name ) ) {
  				styles = getStyles( elem );
  				len = name.length;
  
  				for ( ; i < len; i++ ) {
  					map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
  				}
  
  				return map;
  			}
  
  			return value !== undefined ?
  				jQuery.style( elem, name, value ) :
  				jQuery.css( elem, name );
  		}, name, value, arguments.length > 1 );
  	}
  } );
  
  
  function Tween( elem, options, prop, end, easing ) {
  	return new Tween.prototype.init( elem, options, prop, end, easing );
  }
  jQuery.Tween = Tween;
  
  Tween.prototype = {
  	constructor: Tween,
  	init: function( elem, options, prop, end, easing, unit ) {
  		this.elem = elem;
  		this.prop = prop;
  		this.easing = easing || jQuery.easing._default;
  		this.options = options;
  		this.start = this.now = this.cur();
  		this.end = end;
  		this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
  	},
  	cur: function() {
  		var hooks = Tween.propHooks[ this.prop ];
  
  		return hooks && hooks.get ?
  			hooks.get( this ) :
  			Tween.propHooks._default.get( this );
  	},
  	run: function( percent ) {
  		var eased,
  			hooks = Tween.propHooks[ this.prop ];
  
  		if ( this.options.duration ) {
  			this.pos = eased = jQuery.easing[ this.easing ](
  				percent, this.options.duration * percent, 0, 1, this.options.duration
  			);
  		} else {
  			this.pos = eased = percent;
  		}
  		this.now = ( this.end - this.start ) * eased + this.start;
  
  		if ( this.options.step ) {
  			this.options.step.call( this.elem, this.now, this );
  		}
  
  		if ( hooks && hooks.set ) {
  			hooks.set( this );
  		} else {
  			Tween.propHooks._default.set( this );
  		}
  		return this;
  	}
  };
  
  Tween.prototype.init.prototype = Tween.prototype;
  
  Tween.propHooks = {
  	_default: {
  		get: function( tween ) {
  			var result;
  
  			// Use a property on the element directly when it is not a DOM element,
  			// or when there is no matching style property that exists.
  			if ( tween.elem.nodeType !== 1 ||
  				tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
  				return tween.elem[ tween.prop ];
  			}
  
  			// Passing an empty string as a 3rd parameter to .css will automatically
  			// attempt a parseFloat and fallback to a string if the parse fails.
  			// Simple values such as "10px" are parsed to Float;
  			// complex values such as "rotate(1rad)" are returned as-is.
  			result = jQuery.css( tween.elem, tween.prop, "" );
  
  			// Empty strings, null, undefined and "auto" are converted to 0.
  			return !result || result === "auto" ? 0 : result;
  		},
  		set: function( tween ) {
  
  			// Use step hook for back compat.
  			// Use cssHook if its there.
  			// Use .style if available and use plain properties where available.
  			if ( jQuery.fx.step[ tween.prop ] ) {
  				jQuery.fx.step[ tween.prop ]( tween );
  			} else if ( tween.elem.nodeType === 1 && (
  					jQuery.cssHooks[ tween.prop ] ||
  					tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) {
  				jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
  			} else {
  				tween.elem[ tween.prop ] = tween.now;
  			}
  		}
  	}
  };
  
  // Support: IE <=9 only
  // Panic based approach to setting things on disconnected nodes
  Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
  	set: function( tween ) {
  		if ( tween.elem.nodeType && tween.elem.parentNode ) {
  			tween.elem[ tween.prop ] = tween.now;
  		}
  	}
  };
  
  jQuery.easing = {
  	linear: function( p ) {
  		return p;
  	},
  	swing: function( p ) {
  		return 0.5 - Math.cos( p * Math.PI ) / 2;
  	},
  	_default: "swing"
  };
  
  jQuery.fx = Tween.prototype.init;
  
  // Back compat <1.8 extension point
  jQuery.fx.step = {};
  
  
  
  
  var
  	fxNow, inProgress,
  	rfxtypes = /^(?:toggle|show|hide)$/,
  	rrun = /queueHooks$/;
  
  function schedule() {
  	if ( inProgress ) {
  		if ( document.hidden === false && window.requestAnimationFrame ) {
  			window.requestAnimationFrame( schedule );
  		} else {
  			window.setTimeout( schedule, jQuery.fx.interval );
  		}
  
  		jQuery.fx.tick();
  	}
  }
  
  // Animations created synchronously will run synchronously
  function createFxNow() {
  	window.setTimeout( function() {
  		fxNow = undefined;
  	} );
  	return ( fxNow = Date.now() );
  }
  
  // Generate parameters to create a standard animation
  function genFx( type, includeWidth ) {
  	var which,
  		i = 0,
  		attrs = { height: type };
  
  	// If we include width, step value is 1 to do all cssExpand values,
  	// otherwise step value is 2 to skip over Left and Right
  	includeWidth = includeWidth ? 1 : 0;
  	for ( ; i < 4; i += 2 - includeWidth ) {
  		which = cssExpand[ i ];
  		attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
  	}
  
  	if ( includeWidth ) {
  		attrs.opacity = attrs.width = type;
  	}
  
  	return attrs;
  }
  
  function createTween( value, prop, animation ) {
  	var tween,
  		collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
  		index = 0,
  		length = collection.length;
  	for ( ; index < length; index++ ) {
  		if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
  
  			// We're done with this property
  			return tween;
  		}
  	}
  }
  
  function defaultPrefilter( elem, props, opts ) {
  	var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
  		isBox = "width" in props || "height" in props,
  		anim = this,
  		orig = {},
  		style = elem.style,
  		hidden = elem.nodeType && isHiddenWithinTree( elem ),
  		dataShow = dataPriv.get( elem, "fxshow" );
  
  	// Queue-skipping animations hijack the fx hooks
  	if ( !opts.queue ) {
  		hooks = jQuery._queueHooks( elem, "fx" );
  		if ( hooks.unqueued == null ) {
  			hooks.unqueued = 0;
  			oldfire = hooks.empty.fire;
  			hooks.empty.fire = function() {
  				if ( !hooks.unqueued ) {
  					oldfire();
  				}
  			};
  		}
  		hooks.unqueued++;
  
  		anim.always( function() {
  
  			// Ensure the complete handler is called before this completes
  			anim.always( function() {
  				hooks.unqueued--;
  				if ( !jQuery.queue( elem, "fx" ).length ) {
  					hooks.empty.fire();
  				}
  			} );
  		} );
  	}
  
  	// Detect show/hide animations
  	for ( prop in props ) {
  		value = props[ prop ];
  		if ( rfxtypes.test( value ) ) {
  			delete props[ prop ];
  			toggle = toggle || value === "toggle";
  			if ( value === ( hidden ? "hide" : "show" ) ) {
  
  				// Pretend to be hidden if this is a "show" and
  				// there is still data from a stopped show/hide
  				if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
  					hidden = true;
  
  				// Ignore all other no-op show/hide data
  				} else {
  					continue;
  				}
  			}
  			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
  		}
  	}
  
  	// Bail out if this is a no-op like .hide().hide()
  	propTween = !jQuery.isEmptyObject( props );
  	if ( !propTween && jQuery.isEmptyObject( orig ) ) {
  		return;
  	}
  
  	// Restrict "overflow" and "display" styles during box animations
  	if ( isBox && elem.nodeType === 1 ) {
  
  		// Support: IE <=9 - 11, Edge 12 - 15
  		// Record all 3 overflow attributes because IE does not infer the shorthand
  		// from identically-valued overflowX and overflowY and Edge just mirrors
  		// the overflowX value there.
  		opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
  
  		// Identify a display type, preferring old show/hide data over the CSS cascade
  		restoreDisplay = dataShow && dataShow.display;
  		if ( restoreDisplay == null ) {
  			restoreDisplay = dataPriv.get( elem, "display" );
  		}
  		display = jQuery.css( elem, "display" );
  		if ( display === "none" ) {
  			if ( restoreDisplay ) {
  				display = restoreDisplay;
  			} else {
  
  				// Get nonempty value(s) by temporarily forcing visibility
  				showHide( [ elem ], true );
  				restoreDisplay = elem.style.display || restoreDisplay;
  				display = jQuery.css( elem, "display" );
  				showHide( [ elem ] );
  			}
  		}
  
  		// Animate inline elements as inline-block
  		if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
  			if ( jQuery.css( elem, "float" ) === "none" ) {
  
  				// Restore the original display value at the end of pure show/hide animations
  				if ( !propTween ) {
  					anim.done( function() {
  						style.display = restoreDisplay;
  					} );
  					if ( restoreDisplay == null ) {
  						display = style.display;
  						restoreDisplay = display === "none" ? "" : display;
  					}
  				}
  				style.display = "inline-block";
  			}
  		}
  	}
  
  	if ( opts.overflow ) {
  		style.overflow = "hidden";
  		anim.always( function() {
  			style.overflow = opts.overflow[ 0 ];
  			style.overflowX = opts.overflow[ 1 ];
  			style.overflowY = opts.overflow[ 2 ];
  		} );
  	}
  
  	// Implement show/hide animations
  	propTween = false;
  	for ( prop in orig ) {
  
  		// General show/hide setup for this element animation
  		if ( !propTween ) {
  			if ( dataShow ) {
  				if ( "hidden" in dataShow ) {
  					hidden = dataShow.hidden;
  				}
  			} else {
  				dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
  			}
  
  			// Store hidden/visible for toggle so `.stop().toggle()` "reverses"
  			if ( toggle ) {
  				dataShow.hidden = !hidden;
  			}
  
  			// Show elements before animating them
  			if ( hidden ) {
  				showHide( [ elem ], true );
  			}
  
  			/* eslint-disable no-loop-func */
  
  			anim.done( function() {
  
  			/* eslint-enable no-loop-func */
  
  				// The final step of a "hide" animation is actually hiding the element
  				if ( !hidden ) {
  					showHide( [ elem ] );
  				}
  				dataPriv.remove( elem, "fxshow" );
  				for ( prop in orig ) {
  					jQuery.style( elem, prop, orig[ prop ] );
  				}
  			} );
  		}
  
  		// Per-property setup
  		propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
  		if ( !( prop in dataShow ) ) {
  			dataShow[ prop ] = propTween.start;
  			if ( hidden ) {
  				propTween.end = propTween.start;
  				propTween.start = 0;
  			}
  		}
  	}
  }
  
  function propFilter( props, specialEasing ) {
  	var index, name, easing, value, hooks;
  
  	// camelCase, specialEasing and expand cssHook pass
  	for ( index in props ) {
  		name = camelCase( index );
  		easing = specialEasing[ name ];
  		value = props[ index ];
  		if ( Array.isArray( value ) ) {
  			easing = value[ 1 ];
  			value = props[ index ] = value[ 0 ];
  		}
  
  		if ( index !== name ) {
  			props[ name ] = value;
  			delete props[ index ];
  		}
  
  		hooks = jQuery.cssHooks[ name ];
  		if ( hooks && "expand" in hooks ) {
  			value = hooks.expand( value );
  			delete props[ name ];
  
  			// Not quite $.extend, this won't overwrite existing keys.
  			// Reusing 'index' because we have the correct "name"
  			for ( index in value ) {
  				if ( !( index in props ) ) {
  					props[ index ] = value[ index ];
  					specialEasing[ index ] = easing;
  				}
  			}
  		} else {
  			specialEasing[ name ] = easing;
  		}
  	}
  }
  
  function Animation( elem, properties, options ) {
  	var result,
  		stopped,
  		index = 0,
  		length = Animation.prefilters.length,
  		deferred = jQuery.Deferred().always( function() {
  
  			// Don't match elem in the :animated selector
  			delete tick.elem;
  		} ),
  		tick = function() {
  			if ( stopped ) {
  				return false;
  			}
  			var currentTime = fxNow || createFxNow(),
  				remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
  
  				// Support: Android 2.3 only
  				// Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
  				temp = remaining / animation.duration || 0,
  				percent = 1 - temp,
  				index = 0,
  				length = animation.tweens.length;
  
  			for ( ; index < length; index++ ) {
  				animation.tweens[ index ].run( percent );
  			}
  
  			deferred.notifyWith( elem, [ animation, percent, remaining ] );
  
  			// If there's more to do, yield
  			if ( percent < 1 && length ) {
  				return remaining;
  			}
  
  			// If this was an empty animation, synthesize a final progress notification
  			if ( !length ) {
  				deferred.notifyWith( elem, [ animation, 1, 0 ] );
  			}
  
  			// Resolve the animation and report its conclusion
  			deferred.resolveWith( elem, [ animation ] );
  			return false;
  		},
  		animation = deferred.promise( {
  			elem: elem,
  			props: jQuery.extend( {}, properties ),
  			opts: jQuery.extend( true, {
  				specialEasing: {},
  				easing: jQuery.easing._default
  			}, options ),
  			originalProperties: properties,
  			originalOptions: options,
  			startTime: fxNow || createFxNow(),
  			duration: options.duration,
  			tweens: [],
  			createTween: function( prop, end ) {
  				var tween = jQuery.Tween( elem, animation.opts, prop, end,
  						animation.opts.specialEasing[ prop ] || animation.opts.easing );
  				animation.tweens.push( tween );
  				return tween;
  			},
  			stop: function( gotoEnd ) {
  				var index = 0,
  
  					// If we are going to the end, we want to run all the tweens
  					// otherwise we skip this part
  					length = gotoEnd ? animation.tweens.length : 0;
  				if ( stopped ) {
  					return this;
  				}
  				stopped = true;
  				for ( ; index < length; index++ ) {
  					animation.tweens[ index ].run( 1 );
  				}
  
  				// Resolve when we played the last frame; otherwise, reject
  				if ( gotoEnd ) {
  					deferred.notifyWith( elem, [ animation, 1, 0 ] );
  					deferred.resolveWith( elem, [ animation, gotoEnd ] );
  				} else {
  					deferred.rejectWith( elem, [ animation, gotoEnd ] );
  				}
  				return this;
  			}
  		} ),
  		props = animation.props;
  
  	propFilter( props, animation.opts.specialEasing );
  
  	for ( ; index < length; index++ ) {
  		result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
  		if ( result ) {
  			if ( isFunction( result.stop ) ) {
  				jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
  					result.stop.bind( result );
  			}
  			return result;
  		}
  	}
  
  	jQuery.map( props, createTween, animation );
  
  	if ( isFunction( animation.opts.start ) ) {
  		animation.opts.start.call( elem, animation );
  	}
  
  	// Attach callbacks from options
  	animation
  		.progress( animation.opts.progress )
  		.done( animation.opts.done, animation.opts.complete )
  		.fail( animation.opts.fail )
  		.always( animation.opts.always );
  
  	jQuery.fx.timer(
  		jQuery.extend( tick, {
  			elem: elem,
  			anim: animation,
  			queue: animation.opts.queue
  		} )
  	);
  
  	return animation;
  }
  
  jQuery.Animation = jQuery.extend( Animation, {
  
  	tweeners: {
  		"*": [ function( prop, value ) {
  			var tween = this.createTween( prop, value );
  			adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
  			return tween;
  		} ]
  	},
  
  	tweener: function( props, callback ) {
  		if ( isFunction( props ) ) {
  			callback = props;
  			props = [ "*" ];
  		} else {
  			props = props.match( rnothtmlwhite );
  		}
  
  		var prop,
  			index = 0,
  			length = props.length;
  
  		for ( ; index < length; index++ ) {
  			prop = props[ index ];
  			Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
  			Animation.tweeners[ prop ].unshift( callback );
  		}
  	},
  
  	prefilters: [ defaultPrefilter ],
  
  	prefilter: function( callback, prepend ) {
  		if ( prepend ) {
  			Animation.prefilters.unshift( callback );
  		} else {
  			Animation.prefilters.push( callback );
  		}
  	}
  } );
  
  jQuery.speed = function( speed, easing, fn ) {
  	var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
  		complete: fn || !fn && easing ||
  			isFunction( speed ) && speed,
  		duration: speed,
  		easing: fn && easing || easing && !isFunction( easing ) && easing
  	};
  
  	// Go to the end state if fx are off
  	if ( jQuery.fx.off ) {
  		opt.duration = 0;
  
  	} else {
  		if ( typeof opt.duration !== "number" ) {
  			if ( opt.duration in jQuery.fx.speeds ) {
  				opt.duration = jQuery.fx.speeds[ opt.duration ];
  
  			} else {
  				opt.duration = jQuery.fx.speeds._default;
  			}
  		}
  	}
  
  	// Normalize opt.queue - true/undefined/null -> "fx"
  	if ( opt.queue == null || opt.queue === true ) {
  		opt.queue = "fx";
  	}
  
  	// Queueing
  	opt.old = opt.complete;
  
  	opt.complete = function() {
  		if ( isFunction( opt.old ) ) {
  			opt.old.call( this );
  		}
  
  		if ( opt.queue ) {
  			jQuery.dequeue( this, opt.queue );
  		}
  	};
  
  	return opt;
  };
  
  jQuery.fn.extend( {
  	fadeTo: function( speed, to, easing, callback ) {
  
  		// Show any hidden elements after setting opacity to 0
  		return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
  
  			// Animate to the value specified
  			.end().animate( { opacity: to }, speed, easing, callback );
  	},
  	animate: function( prop, speed, easing, callback ) {
  		var empty = jQuery.isEmptyObject( prop ),
  			optall = jQuery.speed( speed, easing, callback ),
  			doAnimation = function() {
  
  				// Operate on a copy of prop so per-property easing won't be lost
  				var anim = Animation( this, jQuery.extend( {}, prop ), optall );
  
  				// Empty animations, or finishing resolves immediately
  				if ( empty || dataPriv.get( this, "finish" ) ) {
  					anim.stop( true );
  				}
  			};
  			doAnimation.finish = doAnimation;
  
  		return empty || optall.queue === false ?
  			this.each( doAnimation ) :
  			this.queue( optall.queue, doAnimation );
  	},
  	stop: function( type, clearQueue, gotoEnd ) {
  		var stopQueue = function( hooks ) {
  			var stop = hooks.stop;
  			delete hooks.stop;
  			stop( gotoEnd );
  		};
  
  		if ( typeof type !== "string" ) {
  			gotoEnd = clearQueue;
  			clearQueue = type;
  			type = undefined;
  		}
  		if ( clearQueue && type !== false ) {
  			this.queue( type || "fx", [] );
  		}
  
  		return this.each( function() {
  			var dequeue = true,
  				index = type != null && type + "queueHooks",
  				timers = jQuery.timers,
  				data = dataPriv.get( this );
  
  			if ( index ) {
  				if ( data[ index ] && data[ index ].stop ) {
  					stopQueue( data[ index ] );
  				}
  			} else {
  				for ( index in data ) {
  					if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
  						stopQueue( data[ index ] );
  					}
  				}
  			}
  
  			for ( index = timers.length; index--; ) {
  				if ( timers[ index ].elem === this &&
  					( type == null || timers[ index ].queue === type ) ) {
  
  					timers[ index ].anim.stop( gotoEnd );
  					dequeue = false;
  					timers.splice( index, 1 );
  				}
  			}
  
  			// Start the next in the queue if the last step wasn't forced.
  			// Timers currently will call their complete callbacks, which
  			// will dequeue but only if they were gotoEnd.
  			if ( dequeue || !gotoEnd ) {
  				jQuery.dequeue( this, type );
  			}
  		} );
  	},
  	finish: function( type ) {
  		if ( type !== false ) {
  			type = type || "fx";
  		}
  		return this.each( function() {
  			var index,
  				data = dataPriv.get( this ),
  				queue = data[ type + "queue" ],
  				hooks = data[ type + "queueHooks" ],
  				timers = jQuery.timers,
  				length = queue ? queue.length : 0;
  
  			// Enable finishing flag on private data
  			data.finish = true;
  
  			// Empty the queue first
  			jQuery.queue( this, type, [] );
  
  			if ( hooks && hooks.stop ) {
  				hooks.stop.call( this, true );
  			}
  
  			// Look for any active animations, and finish them
  			for ( index = timers.length; index--; ) {
  				if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
  					timers[ index ].anim.stop( true );
  					timers.splice( index, 1 );
  				}
  			}
  
  			// Look for any animations in the old queue and finish them
  			for ( index = 0; index < length; index++ ) {
  				if ( queue[ index ] && queue[ index ].finish ) {
  					queue[ index ].finish.call( this );
  				}
  			}
  
  			// Turn off finishing flag
  			delete data.finish;
  		} );
  	}
  } );
  
  jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
  	var cssFn = jQuery.fn[ name ];
  	jQuery.fn[ name ] = function( speed, easing, callback ) {
  		return speed == null || typeof speed === "boolean" ?
  			cssFn.apply( this, arguments ) :
  			this.animate( genFx( name, true ), speed, easing, callback );
  	};
  } );
  
  // Generate shortcuts for custom animations
  jQuery.each( {
  	slideDown: genFx( "show" ),
  	slideUp: genFx( "hide" ),
  	slideToggle: genFx( "toggle" ),
  	fadeIn: { opacity: "show" },
  	fadeOut: { opacity: "hide" },
  	fadeToggle: { opacity: "toggle" }
  }, function( name, props ) {
  	jQuery.fn[ name ] = function( speed, easing, callback ) {
  		return this.animate( props, speed, easing, callback );
  	};
  } );
  
  jQuery.timers = [];
  jQuery.fx.tick = function() {
  	var timer,
  		i = 0,
  		timers = jQuery.timers;
  
  	fxNow = Date.now();
  
  	for ( ; i < timers.length; i++ ) {
  		timer = timers[ i ];
  
  		// Run the timer and safely remove it when done (allowing for external removal)
  		if ( !timer() && timers[ i ] === timer ) {
  			timers.splice( i--, 1 );
  		}
  	}
  
  	if ( !timers.length ) {
  		jQuery.fx.stop();
  	}
  	fxNow = undefined;
  };
  
  jQuery.fx.timer = function( timer ) {
  	jQuery.timers.push( timer );
  	jQuery.fx.start();
  };
  
  jQuery.fx.interval = 13;
  jQuery.fx.start = function() {
  	if ( inProgress ) {
  		return;
  	}
  
  	inProgress = true;
  	schedule();
  };
  
  jQuery.fx.stop = function() {
  	inProgress = null;
  };
  
  jQuery.fx.speeds = {
  	slow: 600,
  	fast: 200,
  
  	// Default speed
  	_default: 400
  };
  
  
  // Based off of the plugin by Clint Helfers, with permission.
  // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
  jQuery.fn.delay = function( time, type ) {
  	time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
  	type = type || "fx";
  
  	return this.queue( type, function( next, hooks ) {
  		var timeout = window.setTimeout( next, time );
  		hooks.stop = function() {
  			window.clearTimeout( timeout );
  		};
  	} );
  };
  
  
  ( function() {
  	var input = document.createElement( "input" ),
  		select = document.createElement( "select" ),
  		opt = select.appendChild( document.createElement( "option" ) );
  
  	input.type = "checkbox";
  
  	// Support: Android <=4.3 only
  	// Default value for a checkbox should be "on"
  	support.checkOn = input.value !== "";
  
  	// Support: IE <=11 only
  	// Must access selectedIndex to make default options select
  	support.optSelected = opt.selected;
  
  	// Support: IE <=11 only
  	// An input loses its value after becoming a radio
  	input = document.createElement( "input" );
  	input.value = "t";
  	input.type = "radio";
  	support.radioValue = input.value === "t";
  } )();
  
  
  var boolHook,
  	attrHandle = jQuery.expr.attrHandle;
  
  jQuery.fn.extend( {
  	attr: function( name, value ) {
  		return access( this, jQuery.attr, name, value, arguments.length > 1 );
  	},
  
  	removeAttr: function( name ) {
  		return this.each( function() {
  			jQuery.removeAttr( this, name );
  		} );
  	}
  } );
  
  jQuery.extend( {
  	attr: function( elem, name, value ) {
  		var ret, hooks,
  			nType = elem.nodeType;
  
  		// Don't get/set attributes on text, comment and attribute nodes
  		if ( nType === 3 || nType === 8 || nType === 2 ) {
  			return;
  		}
  
  		// Fallback to prop when attributes are not supported
  		if ( typeof elem.getAttribute === "undefined" ) {
  			return jQuery.prop( elem, name, value );
  		}
  
  		// Attribute hooks are determined by the lowercase version
  		// Grab necessary hook if one is defined
  		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
  			hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
  				( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
  		}
  
  		if ( value !== undefined ) {
  			if ( value === null ) {
  				jQuery.removeAttr( elem, name );
  				return;
  			}
  
  			if ( hooks && "set" in hooks &&
  				( ret = hooks.set( elem, value, name ) ) !== undefined ) {
  				return ret;
  			}
  
  			elem.setAttribute( name, value + "" );
  			return value;
  		}
  
  		if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
  			return ret;
  		}
  
  		ret = jQuery.find.attr( elem, name );
  
  		// Non-existent attributes return null, we normalize to undefined
  		return ret == null ? undefined : ret;
  	},
  
  	attrHooks: {
  		type: {
  			set: function( elem, value ) {
  				if ( !support.radioValue && value === "radio" &&
  					nodeName( elem, "input" ) ) {
  					var val = elem.value;
  					elem.setAttribute( "type", value );
  					if ( val ) {
  						elem.value = val;
  					}
  					return value;
  				}
  			}
  		}
  	},
  
  	removeAttr: function( elem, value ) {
  		var name,
  			i = 0,
  
  			// Attribute names can contain non-HTML whitespace characters
  			// https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
  			attrNames = value && value.match( rnothtmlwhite );
  
  		if ( attrNames && elem.nodeType === 1 ) {
  			while ( ( name = attrNames[ i++ ] ) ) {
  				elem.removeAttribute( name );
  			}
  		}
  	}
  } );
  
  // Hooks for boolean attributes
  boolHook = {
  	set: function( elem, value, name ) {
  		if ( value === false ) {
  
  			// Remove boolean attributes when set to false
  			jQuery.removeAttr( elem, name );
  		} else {
  			elem.setAttribute( name, name );
  		}
  		return name;
  	}
  };
  
  jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
  	var getter = attrHandle[ name ] || jQuery.find.attr;
  
  	attrHandle[ name ] = function( elem, name, isXML ) {
  		var ret, handle,
  			lowercaseName = name.toLowerCase();
  
  		if ( !isXML ) {
  
  			// Avoid an infinite loop by temporarily removing this function from the getter
  			handle = attrHandle[ lowercaseName ];
  			attrHandle[ lowercaseName ] = ret;
  			ret = getter( elem, name, isXML ) != null ?
  				lowercaseName :
  				null;
  			attrHandle[ lowercaseName ] = handle;
  		}
  		return ret;
  	};
  } );
  
  
  
  
  var rfocusable = /^(?:input|select|textarea|button)$/i,
  	rclickable = /^(?:a|area)$/i;
  
  jQuery.fn.extend( {
  	prop: function( name, value ) {
  		return access( this, jQuery.prop, name, value, arguments.length > 1 );
  	},
  
  	removeProp: function( name ) {
  		return this.each( function() {
  			delete this[ jQuery.propFix[ name ] || name ];
  		} );
  	}
  } );
  
  jQuery.extend( {
  	prop: function( elem, name, value ) {
  		var ret, hooks,
  			nType = elem.nodeType;
  
  		// Don't get/set properties on text, comment and attribute nodes
  		if ( nType === 3 || nType === 8 || nType === 2 ) {
  			return;
  		}
  
  		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
  
  			// Fix name and attach hooks
  			name = jQuery.propFix[ name ] || name;
  			hooks = jQuery.propHooks[ name ];
  		}
  
  		if ( value !== undefined ) {
  			if ( hooks && "set" in hooks &&
  				( ret = hooks.set( elem, value, name ) ) !== undefined ) {
  				return ret;
  			}
  
  			return ( elem[ name ] = value );
  		}
  
  		if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
  			return ret;
  		}
  
  		return elem[ name ];
  	},
  
  	propHooks: {
  		tabIndex: {
  			get: function( elem ) {
  
  				// Support: IE <=9 - 11 only
  				// elem.tabIndex doesn't always return the
  				// correct value when it hasn't been explicitly set
  				// https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
  				// Use proper attribute retrieval(#12072)
  				var tabindex = jQuery.find.attr( elem, "tabindex" );
  
  				if ( tabindex ) {
  					return parseInt( tabindex, 10 );
  				}
  
  				if (
  					rfocusable.test( elem.nodeName ) ||
  					rclickable.test( elem.nodeName ) &&
  					elem.href
  				) {
  					return 0;
  				}
  
  				return -1;
  			}
  		}
  	},
  
  	propFix: {
  		"for": "htmlFor",
  		"class": "className"
  	}
  } );
  
  // Support: IE <=11 only
  // Accessing the selectedIndex property
  // forces the browser to respect setting selected
  // on the option
  // The getter ensures a default option is selected
  // when in an optgroup
  // eslint rule "no-unused-expressions" is disabled for this code
  // since it considers such accessions noop
  if ( !support.optSelected ) {
  	jQuery.propHooks.selected = {
  		get: function( elem ) {
  
  			/* eslint no-unused-expressions: "off" */
  
  			var parent = elem.parentNode;
  			if ( parent && parent.parentNode ) {
  				parent.parentNode.selectedIndex;
  			}
  			return null;
  		},
  		set: function( elem ) {
  
  			/* eslint no-unused-expressions: "off" */
  
  			var parent = elem.parentNode;
  			if ( parent ) {
  				parent.selectedIndex;
  
  				if ( parent.parentNode ) {
  					parent.parentNode.selectedIndex;
  				}
  			}
  		}
  	};
  }
  
  jQuery.each( [
  	"tabIndex",
  	"readOnly",
  	"maxLength",
  	"cellSpacing",
  	"cellPadding",
  	"rowSpan",
  	"colSpan",
  	"useMap",
  	"frameBorder",
  	"contentEditable"
  ], function() {
  	jQuery.propFix[ this.toLowerCase() ] = this;
  } );
  
  
  
  
  	// Strip and collapse whitespace according to HTML spec
  	// https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
  	function stripAndCollapse( value ) {
  		var tokens = value.match( rnothtmlwhite ) || [];
  		return tokens.join( " " );
  	}
  
  
  function getClass( elem ) {
  	return elem.getAttribute && elem.getAttribute( "class" ) || "";
  }
  
  function classesToArray( value ) {
  	if ( Array.isArray( value ) ) {
  		return value;
  	}
  	if ( typeof value === "string" ) {
  		return value.match( rnothtmlwhite ) || [];
  	}
  	return [];
  }
  
  jQuery.fn.extend( {
  	addClass: function( value ) {
  		var classes, elem, cur, curValue, clazz, j, finalValue,
  			i = 0;
  
  		if ( isFunction( value ) ) {
  			return this.each( function( j ) {
  				jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
  			} );
  		}
  
  		classes = classesToArray( value );
  
  		if ( classes.length ) {
  			while ( ( elem = this[ i++ ] ) ) {
  				curValue = getClass( elem );
  				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
  
  				if ( cur ) {
  					j = 0;
  					while ( ( clazz = classes[ j++ ] ) ) {
  						if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
  							cur += clazz + " ";
  						}
  					}
  
  					// Only assign if different to avoid unneeded rendering.
  					finalValue = stripAndCollapse( cur );
  					if ( curValue !== finalValue ) {
  						elem.setAttribute( "class", finalValue );
  					}
  				}
  			}
  		}
  
  		return this;
  	},
  
  	removeClass: function( value ) {
  		var classes, elem, cur, curValue, clazz, j, finalValue,
  			i = 0;
  
  		if ( isFunction( value ) ) {
  			return this.each( function( j ) {
  				jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
  			} );
  		}
  
  		if ( !arguments.length ) {
  			return this.attr( "class", "" );
  		}
  
  		classes = classesToArray( value );
  
  		if ( classes.length ) {
  			while ( ( elem = this[ i++ ] ) ) {
  				curValue = getClass( elem );
  
  				// This expression is here for better compressibility (see addClass)
  				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
  
  				if ( cur ) {
  					j = 0;
  					while ( ( clazz = classes[ j++ ] ) ) {
  
  						// Remove *all* instances
  						while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
  							cur = cur.replace( " " + clazz + " ", " " );
  						}
  					}
  
  					// Only assign if different to avoid unneeded rendering.
  					finalValue = stripAndCollapse( cur );
  					if ( curValue !== finalValue ) {
  						elem.setAttribute( "class", finalValue );
  					}
  				}
  			}
  		}
  
  		return this;
  	},
  
  	toggleClass: function( value, stateVal ) {
  		var type = typeof value,
  			isValidValue = type === "string" || Array.isArray( value );
  
  		if ( typeof stateVal === "boolean" && isValidValue ) {
  			return stateVal ? this.addClass( value ) : this.removeClass( value );
  		}
  
  		if ( isFunction( value ) ) {
  			return this.each( function( i ) {
  				jQuery( this ).toggleClass(
  					value.call( this, i, getClass( this ), stateVal ),
  					stateVal
  				);
  			} );
  		}
  
  		return this.each( function() {
  			var className, i, self, classNames;
  
  			if ( isValidValue ) {
  
  				// Toggle individual class names
  				i = 0;
  				self = jQuery( this );
  				classNames = classesToArray( value );
  
  				while ( ( className = classNames[ i++ ] ) ) {
  
  					// Check each className given, space separated list
  					if ( self.hasClass( className ) ) {
  						self.removeClass( className );
  					} else {
  						self.addClass( className );
  					}
  				}
  
  			// Toggle whole class name
  			} else if ( value === undefined || type === "boolean" ) {
  				className = getClass( this );
  				if ( className ) {
  
  					// Store className if set
  					dataPriv.set( this, "__className__", className );
  				}
  
  				// If the element has a class name or if we're passed `false`,
  				// then remove the whole classname (if there was one, the above saved it).
  				// Otherwise bring back whatever was previously saved (if anything),
  				// falling back to the empty string if nothing was stored.
  				if ( this.setAttribute ) {
  					this.setAttribute( "class",
  						className || value === false ?
  						"" :
  						dataPriv.get( this, "__className__" ) || ""
  					);
  				}
  			}
  		} );
  	},
  
  	hasClass: function( selector ) {
  		var className, elem,
  			i = 0;
  
  		className = " " + selector + " ";
  		while ( ( elem = this[ i++ ] ) ) {
  			if ( elem.nodeType === 1 &&
  				( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
  					return true;
  			}
  		}
  
  		return false;
  	}
  } );
  
  
  
  
  var rreturn = /\r/g;
  
  jQuery.fn.extend( {
  	val: function( value ) {
  		var hooks, ret, valueIsFunction,
  			elem = this[ 0 ];
  
  		if ( !arguments.length ) {
  			if ( elem ) {
  				hooks = jQuery.valHooks[ elem.type ] ||
  					jQuery.valHooks[ elem.nodeName.toLowerCase() ];
  
  				if ( hooks &&
  					"get" in hooks &&
  					( ret = hooks.get( elem, "value" ) ) !== undefined
  				) {
  					return ret;
  				}
  
  				ret = elem.value;
  
  				// Handle most common string cases
  				if ( typeof ret === "string" ) {
  					return ret.replace( rreturn, "" );
  				}
  
  				// Handle cases where value is null/undef or number
  				return ret == null ? "" : ret;
  			}
  
  			return;
  		}
  
  		valueIsFunction = isFunction( value );
  
  		return this.each( function( i ) {
  			var val;
  
  			if ( this.nodeType !== 1 ) {
  				return;
  			}
  
  			if ( valueIsFunction ) {
  				val = value.call( this, i, jQuery( this ).val() );
  			} else {
  				val = value;
  			}
  
  			// Treat null/undefined as ""; convert numbers to string
  			if ( val == null ) {
  				val = "";
  
  			} else if ( typeof val === "number" ) {
  				val += "";
  
  			} else if ( Array.isArray( val ) ) {
  				val = jQuery.map( val, function( value ) {
  					return value == null ? "" : value + "";
  				} );
  			}
  
  			hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
  
  			// If set returns undefined, fall back to normal setting
  			if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
  				this.value = val;
  			}
  		} );
  	}
  } );
  
  jQuery.extend( {
  	valHooks: {
  		option: {
  			get: function( elem ) {
  
  				var val = jQuery.find.attr( elem, "value" );
  				return val != null ?
  					val :
  
  					// Support: IE <=10 - 11 only
  					// option.text throws exceptions (#14686, #14858)
  					// Strip and collapse whitespace
  					// https://html.spec.whatwg.org/#strip-and-collapse-whitespace
  					stripAndCollapse( jQuery.text( elem ) );
  			}
  		},
  		select: {
  			get: function( elem ) {
  				var value, option, i,
  					options = elem.options,
  					index = elem.selectedIndex,
  					one = elem.type === "select-one",
  					values = one ? null : [],
  					max = one ? index + 1 : options.length;
  
  				if ( index < 0 ) {
  					i = max;
  
  				} else {
  					i = one ? index : 0;
  				}
  
  				// Loop through all the selected options
  				for ( ; i < max; i++ ) {
  					option = options[ i ];
  
  					// Support: IE <=9 only
  					// IE8-9 doesn't update selected after form reset (#2551)
  					if ( ( option.selected || i === index ) &&
  
  							// Don't return options that are disabled or in a disabled optgroup
  							!option.disabled &&
  							( !option.parentNode.disabled ||
  								!nodeName( option.parentNode, "optgroup" ) ) ) {
  
  						// Get the specific value for the option
  						value = jQuery( option ).val();
  
  						// We don't need an array for one selects
  						if ( one ) {
  							return value;
  						}
  
  						// Multi-Selects return an array
  						values.push( value );
  					}
  				}
  
  				return values;
  			},
  
  			set: function( elem, value ) {
  				var optionSet, option,
  					options = elem.options,
  					values = jQuery.makeArray( value ),
  					i = options.length;
  
  				while ( i-- ) {
  					option = options[ i ];
  
  					/* eslint-disable no-cond-assign */
  
  					if ( option.selected =
  						jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
  					) {
  						optionSet = true;
  					}
  
  					/* eslint-enable no-cond-assign */
  				}
  
  				// Force browsers to behave consistently when non-matching value is set
  				if ( !optionSet ) {
  					elem.selectedIndex = -1;
  				}
  				return values;
  			}
  		}
  	}
  } );
  
  // Radios and checkboxes getter/setter
  jQuery.each( [ "radio", "checkbox" ], function() {
  	jQuery.valHooks[ this ] = {
  		set: function( elem, value ) {
  			if ( Array.isArray( value ) ) {
  				return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
  			}
  		}
  	};
  	if ( !support.checkOn ) {
  		jQuery.valHooks[ this ].get = function( elem ) {
  			return elem.getAttribute( "value" ) === null ? "on" : elem.value;
  		};
  	}
  } );
  
  
  
  
  // Return jQuery for attributes-only inclusion
  
  
  support.focusin = "onfocusin" in window;
  
  
  var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
  	stopPropagationCallback = function( e ) {
  		e.stopPropagation();
  	};
  
  jQuery.extend( jQuery.event, {
  
  	trigger: function( event, data, elem, onlyHandlers ) {
  
  		var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
  			eventPath = [ elem || document ],
  			type = hasOwn.call( event, "type" ) ? event.type : event,
  			namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
  
  		cur = lastElement = tmp = elem = elem || document;
  
  		// Don't do events on text and comment nodes
  		if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
  			return;
  		}
  
  		// focus/blur morphs to focusin/out; ensure we're not firing them right now
  		if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
  			return;
  		}
  
  		if ( type.indexOf( "." ) > -1 ) {
  
  			// Namespaced trigger; create a regexp to match event type in handle()
  			namespaces = type.split( "." );
  			type = namespaces.shift();
  			namespaces.sort();
  		}
  		ontype = type.indexOf( ":" ) < 0 && "on" + type;
  
  		// Caller can pass in a jQuery.Event object, Object, or just an event type string
  		event = event[ jQuery.expando ] ?
  			event :
  			new jQuery.Event( type, typeof event === "object" && event );
  
  		// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
  		event.isTrigger = onlyHandlers ? 2 : 3;
  		event.namespace = namespaces.join( "." );
  		event.rnamespace = event.namespace ?
  			new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
  			null;
  
  		// Clean up the event in case it is being reused
  		event.result = undefined;
  		if ( !event.target ) {
  			event.target = elem;
  		}
  
  		// Clone any incoming data and prepend the event, creating the handler arg list
  		data = data == null ?
  			[ event ] :
  			jQuery.makeArray( data, [ event ] );
  
  		// Allow special events to draw outside the lines
  		special = jQuery.event.special[ type ] || {};
  		if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
  			return;
  		}
  
  		// Determine event propagation path in advance, per W3C events spec (#9951)
  		// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
  		if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
  
  			bubbleType = special.delegateType || type;
  			if ( !rfocusMorph.test( bubbleType + type ) ) {
  				cur = cur.parentNode;
  			}
  			for ( ; cur; cur = cur.parentNode ) {
  				eventPath.push( cur );
  				tmp = cur;
  			}
  
  			// Only add window if we got to document (e.g., not plain obj or detached DOM)
  			if ( tmp === ( elem.ownerDocument || document ) ) {
  				eventPath.push( tmp.defaultView || tmp.parentWindow || window );
  			}
  		}
  
  		// Fire handlers on the event path
  		i = 0;
  		while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
  			lastElement = cur;
  			event.type = i > 1 ?
  				bubbleType :
  				special.bindType || type;
  
  			// jQuery handler
  			handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
  				dataPriv.get( cur, "handle" );
  			if ( handle ) {
  				handle.apply( cur, data );
  			}
  
  			// Native handler
  			handle = ontype && cur[ ontype ];
  			if ( handle && handle.apply && acceptData( cur ) ) {
  				event.result = handle.apply( cur, data );
  				if ( event.result === false ) {
  					event.preventDefault();
  				}
  			}
  		}
  		event.type = type;
  
  		// If nobody prevented the default action, do it now
  		if ( !onlyHandlers && !event.isDefaultPrevented() ) {
  
  			if ( ( !special._default ||
  				special._default.apply( eventPath.pop(), data ) === false ) &&
  				acceptData( elem ) ) {
  
  				// Call a native DOM method on the target with the same name as the event.
  				// Don't do default actions on window, that's where global variables be (#6170)
  				if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
  
  					// Don't re-trigger an onFOO event when we call its FOO() method
  					tmp = elem[ ontype ];
  
  					if ( tmp ) {
  						elem[ ontype ] = null;
  					}
  
  					// Prevent re-triggering of the same event, since we already bubbled it above
  					jQuery.event.triggered = type;
  
  					if ( event.isPropagationStopped() ) {
  						lastElement.addEventListener( type, stopPropagationCallback );
  					}
  
  					elem[ type ]();
  
  					if ( event.isPropagationStopped() ) {
  						lastElement.removeEventListener( type, stopPropagationCallback );
  					}
  
  					jQuery.event.triggered = undefined;
  
  					if ( tmp ) {
  						elem[ ontype ] = tmp;
  					}
  				}
  			}
  		}
  
  		return event.result;
  	},
  
  	// Piggyback on a donor event to simulate a different one
  	// Used only for `focus(in | out)` events
  	simulate: function( type, elem, event ) {
  		var e = jQuery.extend(
  			new jQuery.Event(),
  			event,
  			{
  				type: type,
  				isSimulated: true
  			}
  		);
  
  		jQuery.event.trigger( e, null, elem );
  	}
  
  } );
  
  jQuery.fn.extend( {
  
  	trigger: function( type, data ) {
  		return this.each( function() {
  			jQuery.event.trigger( type, data, this );
  		} );
  	},
  	triggerHandler: function( type, data ) {
  		var elem = this[ 0 ];
  		if ( elem ) {
  			return jQuery.event.trigger( type, data, elem, true );
  		}
  	}
  } );
  
  
  // Support: Firefox <=44
  // Firefox doesn't have focus(in | out) events
  // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
  //
  // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
  // focus(in | out) events fire after focus & blur events,
  // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
  // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
  if ( !support.focusin ) {
  	jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
  
  		// Attach a single capturing handler on the document while someone wants focusin/focusout
  		var handler = function( event ) {
  			jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
  		};
  
  		jQuery.event.special[ fix ] = {
  			setup: function() {
  				var doc = this.ownerDocument || this,
  					attaches = dataPriv.access( doc, fix );
  
  				if ( !attaches ) {
  					doc.addEventListener( orig, handler, true );
  				}
  				dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
  			},
  			teardown: function() {
  				var doc = this.ownerDocument || this,
  					attaches = dataPriv.access( doc, fix ) - 1;
  
  				if ( !attaches ) {
  					doc.removeEventListener( orig, handler, true );
  					dataPriv.remove( doc, fix );
  
  				} else {
  					dataPriv.access( doc, fix, attaches );
  				}
  			}
  		};
  	} );
  }
  var location = window.location;
  
  var nonce = Date.now();
  
  var rquery = ( /\?/ );
  
  
  
  // Cross-browser xml parsing
  jQuery.parseXML = function( data ) {
  	var xml;
  	if ( !data || typeof data !== "string" ) {
  		return null;
  	}
  
  	// Support: IE 9 - 11 only
  	// IE throws on parseFromString with invalid input.
  	try {
  		xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
  	} catch ( e ) {
  		xml = undefined;
  	}
  
  	if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
  		jQuery.error( "Invalid XML: " + data );
  	}
  	return xml;
  };
  
  
  var
  	rbracket = /\[\]$/,
  	rCRLF = /\r?\n/g,
  	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
  	rsubmittable = /^(?:input|select|textarea|keygen)/i;
  
  function buildParams( prefix, obj, traditional, add ) {
  	var name;
  
  	if ( Array.isArray( obj ) ) {
  
  		// Serialize array item.
  		jQuery.each( obj, function( i, v ) {
  			if ( traditional || rbracket.test( prefix ) ) {
  
  				// Treat each array item as a scalar.
  				add( prefix, v );
  
  			} else {
  
  				// Item is non-scalar (array or object), encode its numeric index.
  				buildParams(
  					prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
  					v,
  					traditional,
  					add
  				);
  			}
  		} );
  
  	} else if ( !traditional && toType( obj ) === "object" ) {
  
  		// Serialize object item.
  		for ( name in obj ) {
  			buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
  		}
  
  	} else {
  
  		// Serialize scalar item.
  		add( prefix, obj );
  	}
  }
  
  // Serialize an array of form elements or a set of
  // key/values into a query string
  jQuery.param = function( a, traditional ) {
  	var prefix,
  		s = [],
  		add = function( key, valueOrFunction ) {
  
  			// If value is a function, invoke it and use its return value
  			var value = isFunction( valueOrFunction ) ?
  				valueOrFunction() :
  				valueOrFunction;
  
  			s[ s.length ] = encodeURIComponent( key ) + "=" +
  				encodeURIComponent( value == null ? "" : value );
  		};
  
  	if ( a == null ) {
  		return "";
  	}
  
  	// If an array was passed in, assume that it is an array of form elements.
  	if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
  
  		// Serialize the form elements
  		jQuery.each( a, function() {
  			add( this.name, this.value );
  		} );
  
  	} else {
  
  		// If traditional, encode the "old" way (the way 1.3.2 or older
  		// did it), otherwise encode params recursively.
  		for ( prefix in a ) {
  			buildParams( prefix, a[ prefix ], traditional, add );
  		}
  	}
  
  	// Return the resulting serialization
  	return s.join( "&" );
  };
  
  jQuery.fn.extend( {
  	serialize: function() {
  		return jQuery.param( this.serializeArray() );
  	},
  	serializeArray: function() {
  		return this.map( function() {
  
  			// Can add propHook for "elements" to filter or add form elements
  			var elements = jQuery.prop( this, "elements" );
  			return elements ? jQuery.makeArray( elements ) : this;
  		} )
  		.filter( function() {
  			var type = this.type;
  
  			// Use .is( ":disabled" ) so that fieldset[disabled] works
  			return this.name && !jQuery( this ).is( ":disabled" ) &&
  				rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
  				( this.checked || !rcheckableType.test( type ) );
  		} )
  		.map( function( i, elem ) {
  			var val = jQuery( this ).val();
  
  			if ( val == null ) {
  				return null;
  			}
  
  			if ( Array.isArray( val ) ) {
  				return jQuery.map( val, function( val ) {
  					return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
  				} );
  			}
  
  			return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
  		} ).get();
  	}
  } );
  
  
  var
  	r20 = /%20/g,
  	rhash = /#.*$/,
  	rantiCache = /([?&])_=[^&]*/,
  	rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
  
  	// #7653, #8125, #8152: local protocol detection
  	rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
  	rnoContent = /^(?:GET|HEAD)$/,
  	rprotocol = /^\/\//,
  
  	/* Prefilters
  	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
  	 * 2) These are called:
  	 *    - BEFORE asking for a transport
  	 *    - AFTER param serialization (s.data is a string if s.processData is true)
  	 * 3) key is the dataType
  	 * 4) the catchall symbol "*" can be used
  	 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
  	 */
  	prefilters = {},
  
  	/* Transports bindings
  	 * 1) key is the dataType
  	 * 2) the catchall symbol "*" can be used
  	 * 3) selection will start with transport dataType and THEN go to "*" if needed
  	 */
  	transports = {},
  
  	// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
  	allTypes = "*/".concat( "*" ),
  
  	// Anchor tag for parsing the document origin
  	originAnchor = document.createElement( "a" );
  	originAnchor.href = location.href;
  
  // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
  function addToPrefiltersOrTransports( structure ) {
  
  	// dataTypeExpression is optional and defaults to "*"
  	return function( dataTypeExpression, func ) {
  
  		if ( typeof dataTypeExpression !== "string" ) {
  			func = dataTypeExpression;
  			dataTypeExpression = "*";
  		}
  
  		var dataType,
  			i = 0,
  			dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
  
  		if ( isFunction( func ) ) {
  
  			// For each dataType in the dataTypeExpression
  			while ( ( dataType = dataTypes[ i++ ] ) ) {
  
  				// Prepend if requested
  				if ( dataType[ 0 ] === "+" ) {
  					dataType = dataType.slice( 1 ) || "*";
  					( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
  
  				// Otherwise append
  				} else {
  					( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
  				}
  			}
  		}
  	};
  }
  
  // Base inspection function for prefilters and transports
  function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
  
  	var inspected = {},
  		seekingTransport = ( structure === transports );
  
  	function inspect( dataType ) {
  		var selected;
  		inspected[ dataType ] = true;
  		jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
  			var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
  			if ( typeof dataTypeOrTransport === "string" &&
  				!seekingTransport && !inspected[ dataTypeOrTransport ] ) {
  
  				options.dataTypes.unshift( dataTypeOrTransport );
  				inspect( dataTypeOrTransport );
  				return false;
  			} else if ( seekingTransport ) {
  				return !( selected = dataTypeOrTransport );
  			}
  		} );
  		return selected;
  	}
  
  	return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
  }
  
  // A special extend for ajax options
  // that takes "flat" options (not to be deep extended)
  // Fixes #9887
  function ajaxExtend( target, src ) {
  	var key, deep,
  		flatOptions = jQuery.ajaxSettings.flatOptions || {};
  
  	for ( key in src ) {
  		if ( src[ key ] !== undefined ) {
  			( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
  		}
  	}
  	if ( deep ) {
  		jQuery.extend( true, target, deep );
  	}
  
  	return target;
  }
  
  /* Handles responses to an ajax request:
   * - finds the right dataType (mediates between content-type and expected dataType)
   * - returns the corresponding response
   */
  function ajaxHandleResponses( s, jqXHR, responses ) {
  
  	var ct, type, finalDataType, firstDataType,
  		contents = s.contents,
  		dataTypes = s.dataTypes;
  
  	// Remove auto dataType and get content-type in the process
  	while ( dataTypes[ 0 ] === "*" ) {
  		dataTypes.shift();
  		if ( ct === undefined ) {
  			ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
  		}
  	}
  
  	// Check if we're dealing with a known content-type
  	if ( ct ) {
  		for ( type in contents ) {
  			if ( contents[ type ] && contents[ type ].test( ct ) ) {
  				dataTypes.unshift( type );
  				break;
  			}
  		}
  	}
  
  	// Check to see if we have a response for the expected dataType
  	if ( dataTypes[ 0 ] in responses ) {
  		finalDataType = dataTypes[ 0 ];
  	} else {
  
  		// Try convertible dataTypes
  		for ( type in responses ) {
  			if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
  				finalDataType = type;
  				break;
  			}
  			if ( !firstDataType ) {
  				firstDataType = type;
  			}
  		}
  
  		// Or just use first one
  		finalDataType = finalDataType || firstDataType;
  	}
  
  	// If we found a dataType
  	// We add the dataType to the list if needed
  	// and return the corresponding response
  	if ( finalDataType ) {
  		if ( finalDataType !== dataTypes[ 0 ] ) {
  			dataTypes.unshift( finalDataType );
  		}
  		return responses[ finalDataType ];
  	}
  }
  
  /* Chain conversions given the request and the original response
   * Also sets the responseXXX fields on the jqXHR instance
   */
  function ajaxConvert( s, response, jqXHR, isSuccess ) {
  	var conv2, current, conv, tmp, prev,
  		converters = {},
  
  		// Work with a copy of dataTypes in case we need to modify it for conversion
  		dataTypes = s.dataTypes.slice();
  
  	// Create converters map with lowercased keys
  	if ( dataTypes[ 1 ] ) {
  		for ( conv in s.converters ) {
  			converters[ conv.toLowerCase() ] = s.converters[ conv ];
  		}
  	}
  
  	current = dataTypes.shift();
  
  	// Convert to each sequential dataType
  	while ( current ) {
  
  		if ( s.responseFields[ current ] ) {
  			jqXHR[ s.responseFields[ current ] ] = response;
  		}
  
  		// Apply the dataFilter if provided
  		if ( !prev && isSuccess && s.dataFilter ) {
  			response = s.dataFilter( response, s.dataType );
  		}
  
  		prev = current;
  		current = dataTypes.shift();
  
  		if ( current ) {
  
  			// There's only work to do if current dataType is non-auto
  			if ( current === "*" ) {
  
  				current = prev;
  
  			// Convert response if prev dataType is non-auto and differs from current
  			} else if ( prev !== "*" && prev !== current ) {
  
  				// Seek a direct converter
  				conv = converters[ prev + " " + current ] || converters[ "* " + current ];
  
  				// If none found, seek a pair
  				if ( !conv ) {
  					for ( conv2 in converters ) {
  
  						// If conv2 outputs current
  						tmp = conv2.split( " " );
  						if ( tmp[ 1 ] === current ) {
  
  							// If prev can be converted to accepted input
  							conv = converters[ prev + " " + tmp[ 0 ] ] ||
  								converters[ "* " + tmp[ 0 ] ];
  							if ( conv ) {
  
  								// Condense equivalence converters
  								if ( conv === true ) {
  									conv = converters[ conv2 ];
  
  								// Otherwise, insert the intermediate dataType
  								} else if ( converters[ conv2 ] !== true ) {
  									current = tmp[ 0 ];
  									dataTypes.unshift( tmp[ 1 ] );
  								}
  								break;
  							}
  						}
  					}
  				}
  
  				// Apply converter (if not an equivalence)
  				if ( conv !== true ) {
  
  					// Unless errors are allowed to bubble, catch and return them
  					if ( conv && s.throws ) {
  						response = conv( response );
  					} else {
  						try {
  							response = conv( response );
  						} catch ( e ) {
  							return {
  								state: "parsererror",
  								error: conv ? e : "No conversion from " + prev + " to " + current
  							};
  						}
  					}
  				}
  			}
  		}
  	}
  
  	return { state: "success", data: response };
  }
  
  jQuery.extend( {
  
  	// Counter for holding the number of active queries
  	active: 0,
  
  	// Last-Modified header cache for next request
  	lastModified: {},
  	etag: {},
  
  	ajaxSettings: {
  		url: location.href,
  		type: "GET",
  		isLocal: rlocalProtocol.test( location.protocol ),
  		global: true,
  		processData: true,
  		async: true,
  		contentType: "application/x-www-form-urlencoded; charset=UTF-8",
  
  		/*
  		timeout: 0,
  		data: null,
  		dataType: null,
  		username: null,
  		password: null,
  		cache: null,
  		throws: false,
  		traditional: false,
  		headers: {},
  		*/
  
  		accepts: {
  			"*": allTypes,
  			text: "text/plain",
  			html: "text/html",
  			xml: "application/xml, text/xml",
  			json: "application/json, text/javascript"
  		},
  
  		contents: {
  			xml: /\bxml\b/,
  			html: /\bhtml/,
  			json: /\bjson\b/
  		},
  
  		responseFields: {
  			xml: "responseXML",
  			text: "responseText",
  			json: "responseJSON"
  		},
  
  		// Data converters
  		// Keys separate source (or catchall "*") and destination types with a single space
  		converters: {
  
  			// Convert anything to text
  			"* text": String,
  
  			// Text to html (true = no transformation)
  			"text html": true,
  
  			// Evaluate text as a json expression
  			"text json": JSON.parse,
  
  			// Parse text as xml
  			"text xml": jQuery.parseXML
  		},
  
  		// For options that shouldn't be deep extended:
  		// you can add your own custom options here if
  		// and when you create one that shouldn't be
  		// deep extended (see ajaxExtend)
  		flatOptions: {
  			url: true,
  			context: true
  		}
  	},
  
  	// Creates a full fledged settings object into target
  	// with both ajaxSettings and settings fields.
  	// If target is omitted, writes into ajaxSettings.
  	ajaxSetup: function( target, settings ) {
  		return settings ?
  
  			// Building a settings object
  			ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
  
  			// Extending ajaxSettings
  			ajaxExtend( jQuery.ajaxSettings, target );
  	},
  
  	ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
  	ajaxTransport: addToPrefiltersOrTransports( transports ),
  
  	// Main method
  	ajax: function( url, options ) {
  
  		// If url is an object, simulate pre-1.5 signature
  		if ( typeof url === "object" ) {
  			options = url;
  			url = undefined;
  		}
  
  		// Force options to be an object
  		options = options || {};
  
  		var transport,
  
  			// URL without anti-cache param
  			cacheURL,
  
  			// Response headers
  			responseHeadersString,
  			responseHeaders,
  
  			// timeout handle
  			timeoutTimer,
  
  			// Url cleanup var
  			urlAnchor,
  
  			// Request state (becomes false upon send and true upon completion)
  			completed,
  
  			// To know if global events are to be dispatched
  			fireGlobals,
  
  			// Loop variable
  			i,
  
  			// uncached part of the url
  			uncached,
  
  			// Create the final options object
  			s = jQuery.ajaxSetup( {}, options ),
  
  			// Callbacks context
  			callbackContext = s.context || s,
  
  			// Context for global events is callbackContext if it is a DOM node or jQuery collection
  			globalEventContext = s.context &&
  				( callbackContext.nodeType || callbackContext.jquery ) ?
  					jQuery( callbackContext ) :
  					jQuery.event,
  
  			// Deferreds
  			deferred = jQuery.Deferred(),
  			completeDeferred = jQuery.Callbacks( "once memory" ),
  
  			// Status-dependent callbacks
  			statusCode = s.statusCode || {},
  
  			// Headers (they are sent all at once)
  			requestHeaders = {},
  			requestHeadersNames = {},
  
  			// Default abort message
  			strAbort = "canceled",
  
  			// Fake xhr
  			jqXHR = {
  				readyState: 0,
  
  				// Builds headers hashtable if needed
  				getResponseHeader: function( key ) {
  					var match;
  					if ( completed ) {
  						if ( !responseHeaders ) {
  							responseHeaders = {};
  							while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
  								responseHeaders[ match[ 1 ].toLowerCase() + " " ] =
  									( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] )
  										.concat( match[ 2 ] );
  							}
  						}
  						match = responseHeaders[ key.toLowerCase() + " " ];
  					}
  					return match == null ? null : match.join( ", " );
  				},
  
  				// Raw string
  				getAllResponseHeaders: function() {
  					return completed ? responseHeadersString : null;
  				},
  
  				// Caches the header
  				setRequestHeader: function( name, value ) {
  					if ( completed == null ) {
  						name = requestHeadersNames[ name.toLowerCase() ] =
  							requestHeadersNames[ name.toLowerCase() ] || name;
  						requestHeaders[ name ] = value;
  					}
  					return this;
  				},
  
  				// Overrides response content-type header
  				overrideMimeType: function( type ) {
  					if ( completed == null ) {
  						s.mimeType = type;
  					}
  					return this;
  				},
  
  				// Status-dependent callbacks
  				statusCode: function( map ) {
  					var code;
  					if ( map ) {
  						if ( completed ) {
  
  							// Execute the appropriate callbacks
  							jqXHR.always( map[ jqXHR.status ] );
  						} else {
  
  							// Lazy-add the new callbacks in a way that preserves old ones
  							for ( code in map ) {
  								statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
  							}
  						}
  					}
  					return this;
  				},
  
  				// Cancel the request
  				abort: function( statusText ) {
  					var finalText = statusText || strAbort;
  					if ( transport ) {
  						transport.abort( finalText );
  					}
  					done( 0, finalText );
  					return this;
  				}
  			};
  
  		// Attach deferreds
  		deferred.promise( jqXHR );
  
  		// Add protocol if not provided (prefilters might expect it)
  		// Handle falsy url in the settings object (#10093: consistency with old signature)
  		// We also use the url parameter if available
  		s.url = ( ( url || s.url || location.href ) + "" )
  			.replace( rprotocol, location.protocol + "//" );
  
  		// Alias method option to type as per ticket #12004
  		s.type = options.method || options.type || s.method || s.type;
  
  		// Extract dataTypes list
  		s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
  
  		// A cross-domain request is in order when the origin doesn't match the current origin.
  		if ( s.crossDomain == null ) {
  			urlAnchor = document.createElement( "a" );
  
  			// Support: IE <=8 - 11, Edge 12 - 15
  			// IE throws exception on accessing the href property if url is malformed,
  			// e.g. http://example.com:80x/
  			try {
  				urlAnchor.href = s.url;
  
  				// Support: IE <=8 - 11 only
  				// Anchor's host property isn't correctly set when s.url is relative
  				urlAnchor.href = urlAnchor.href;
  				s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
  					urlAnchor.protocol + "//" + urlAnchor.host;
  			} catch ( e ) {
  
  				// If there is an error parsing the URL, assume it is crossDomain,
  				// it can be rejected by the transport if it is invalid
  				s.crossDomain = true;
  			}
  		}
  
  		// Convert data if not already a string
  		if ( s.data && s.processData && typeof s.data !== "string" ) {
  			s.data = jQuery.param( s.data, s.traditional );
  		}
  
  		// Apply prefilters
  		inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
  
  		// If request was aborted inside a prefilter, stop there
  		if ( completed ) {
  			return jqXHR;
  		}
  
  		// We can fire global events as of now if asked to
  		// Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
  		fireGlobals = jQuery.event && s.global;
  
  		// Watch for a new set of requests
  		if ( fireGlobals && jQuery.active++ === 0 ) {
  			jQuery.event.trigger( "ajaxStart" );
  		}
  
  		// Uppercase the type
  		s.type = s.type.toUpperCase();
  
  		// Determine if request has content
  		s.hasContent = !rnoContent.test( s.type );
  
  		// Save the URL in case we're toying with the If-Modified-Since
  		// and/or If-None-Match header later on
  		// Remove hash to simplify url manipulation
  		cacheURL = s.url.replace( rhash, "" );
  
  		// More options handling for requests with no content
  		if ( !s.hasContent ) {
  
  			// Remember the hash so we can put it back
  			uncached = s.url.slice( cacheURL.length );
  
  			// If data is available and should be processed, append data to url
  			if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
  				cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
  
  				// #9682: remove data so that it's not used in an eventual retry
  				delete s.data;
  			}
  
  			// Add or update anti-cache param if needed
  			if ( s.cache === false ) {
  				cacheURL = cacheURL.replace( rantiCache, "$1" );
  				uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
  			}
  
  			// Put hash and anti-cache on the URL that will be requested (gh-1732)
  			s.url = cacheURL + uncached;
  
  		// Change '%20' to '+' if this is encoded form body content (gh-2658)
  		} else if ( s.data && s.processData &&
  			( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
  			s.data = s.data.replace( r20, "+" );
  		}
  
  		// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
  		if ( s.ifModified ) {
  			if ( jQuery.lastModified[ cacheURL ] ) {
  				jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
  			}
  			if ( jQuery.etag[ cacheURL ] ) {
  				jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
  			}
  		}
  
  		// Set the correct header, if data is being sent
  		if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
  			jqXHR.setRequestHeader( "Content-Type", s.contentType );
  		}
  
  		// Set the Accepts header for the server, depending on the dataType
  		jqXHR.setRequestHeader(
  			"Accept",
  			s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
  				s.accepts[ s.dataTypes[ 0 ] ] +
  					( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
  				s.accepts[ "*" ]
  		);
  
  		// Check for headers option
  		for ( i in s.headers ) {
  			jqXHR.setRequestHeader( i, s.headers[ i ] );
  		}
  
  		// Allow custom headers/mimetypes and early abort
  		if ( s.beforeSend &&
  			( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
  
  			// Abort if not done already and return
  			return jqXHR.abort();
  		}
  
  		// Aborting is no longer a cancellation
  		strAbort = "abort";
  
  		// Install callbacks on deferreds
  		completeDeferred.add( s.complete );
  		jqXHR.done( s.success );
  		jqXHR.fail( s.error );
  
  		// Get transport
  		transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
  
  		// If no transport, we auto-abort
  		if ( !transport ) {
  			done( -1, "No Transport" );
  		} else {
  			jqXHR.readyState = 1;
  
  			// Send global event
  			if ( fireGlobals ) {
  				globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
  			}
  
  			// If request was aborted inside ajaxSend, stop there
  			if ( completed ) {
  				return jqXHR;
  			}
  
  			// Timeout
  			if ( s.async && s.timeout > 0 ) {
  				timeoutTimer = window.setTimeout( function() {
  					jqXHR.abort( "timeout" );
  				}, s.timeout );
  			}
  
  			try {
  				completed = false;
  				transport.send( requestHeaders, done );
  			} catch ( e ) {
  
  				// Rethrow post-completion exceptions
  				if ( completed ) {
  					throw e;
  				}
  
  				// Propagate others as results
  				done( -1, e );
  			}
  		}
  
  		// Callback for when everything is done
  		function done( status, nativeStatusText, responses, headers ) {
  			var isSuccess, success, error, response, modified,
  				statusText = nativeStatusText;
  
  			// Ignore repeat invocations
  			if ( completed ) {
  				return;
  			}
  
  			completed = true;
  
  			// Clear timeout if it exists
  			if ( timeoutTimer ) {
  				window.clearTimeout( timeoutTimer );
  			}
  
  			// Dereference transport for early garbage collection
  			// (no matter how long the jqXHR object will be used)
  			transport = undefined;
  
  			// Cache response headers
  			responseHeadersString = headers || "";
  
  			// Set readyState
  			jqXHR.readyState = status > 0 ? 4 : 0;
  
  			// Determine if successful
  			isSuccess = status >= 200 && status < 300 || status === 304;
  
  			// Get response data
  			if ( responses ) {
  				response = ajaxHandleResponses( s, jqXHR, responses );
  			}
  
  			// Convert no matter what (that way responseXXX fields are always set)
  			response = ajaxConvert( s, response, jqXHR, isSuccess );
  
  			// If successful, handle type chaining
  			if ( isSuccess ) {
  
  				// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
  				if ( s.ifModified ) {
  					modified = jqXHR.getResponseHeader( "Last-Modified" );
  					if ( modified ) {
  						jQuery.lastModified[ cacheURL ] = modified;
  					}
  					modified = jqXHR.getResponseHeader( "etag" );
  					if ( modified ) {
  						jQuery.etag[ cacheURL ] = modified;
  					}
  				}
  
  				// if no content
  				if ( status === 204 || s.type === "HEAD" ) {
  					statusText = "nocontent";
  
  				// if not modified
  				} else if ( status === 304 ) {
  					statusText = "notmodified";
  
  				// If we have data, let's convert it
  				} else {
  					statusText = response.state;
  					success = response.data;
  					error = response.error;
  					isSuccess = !error;
  				}
  			} else {
  
  				// Extract error from statusText and normalize for non-aborts
  				error = statusText;
  				if ( status || !statusText ) {
  					statusText = "error";
  					if ( status < 0 ) {
  						status = 0;
  					}
  				}
  			}
  
  			// Set data for the fake xhr object
  			jqXHR.status = status;
  			jqXHR.statusText = ( nativeStatusText || statusText ) + "";
  
  			// Success/Error
  			if ( isSuccess ) {
  				deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
  			} else {
  				deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
  			}
  
  			// Status-dependent callbacks
  			jqXHR.statusCode( statusCode );
  			statusCode = undefined;
  
  			if ( fireGlobals ) {
  				globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
  					[ jqXHR, s, isSuccess ? success : error ] );
  			}
  
  			// Complete
  			completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
  
  			if ( fireGlobals ) {
  				globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
  
  				// Handle the global AJAX counter
  				if ( !( --jQuery.active ) ) {
  					jQuery.event.trigger( "ajaxStop" );
  				}
  			}
  		}
  
  		return jqXHR;
  	},
  
  	getJSON: function( url, data, callback ) {
  		return jQuery.get( url, data, callback, "json" );
  	},
  
  	getScript: function( url, callback ) {
  		return jQuery.get( url, undefined, callback, "script" );
  	}
  } );
  
  jQuery.each( [ "get", "post" ], function( i, method ) {
  	jQuery[ method ] = function( url, data, callback, type ) {
  
  		// Shift arguments if data argument was omitted
  		if ( isFunction( data ) ) {
  			type = type || callback;
  			callback = data;
  			data = undefined;
  		}
  
  		// The url can be an options object (which then must have .url)
  		return jQuery.ajax( jQuery.extend( {
  			url: url,
  			type: method,
  			dataType: type,
  			data: data,
  			success: callback
  		}, jQuery.isPlainObject( url ) && url ) );
  	};
  } );
  
  
  jQuery._evalUrl = function( url, options ) {
  	return jQuery.ajax( {
  		url: url,
  
  		// Make this explicit, since user can override this through ajaxSetup (#11264)
  		type: "GET",
  		dataType: "script",
  		cache: true,
  		async: false,
  		global: false,
  
  		// Only evaluate the response if it is successful (gh-4126)
  		// dataFilter is not invoked for failure responses, so using it instead
  		// of the default converter is kludgy but it works.
  		converters: {
  			"text script": function() {}
  		},
  		dataFilter: function( response ) {
  			jQuery.globalEval( response, options );
  		}
  	} );
  };
  
  
  jQuery.fn.extend( {
  	wrapAll: function( html ) {
  		var wrap;
  
  		if ( this[ 0 ] ) {
  			if ( isFunction( html ) ) {
  				html = html.call( this[ 0 ] );
  			}
  
  			// The elements to wrap the target around
  			wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
  
  			if ( this[ 0 ].parentNode ) {
  				wrap.insertBefore( this[ 0 ] );
  			}
  
  			wrap.map( function() {
  				var elem = this;
  
  				while ( elem.firstElementChild ) {
  					elem = elem.firstElementChild;
  				}
  
  				return elem;
  			} ).append( this );
  		}
  
  		return this;
  	},
  
  	wrapInner: function( html ) {
  		if ( isFunction( html ) ) {
  			return this.each( function( i ) {
  				jQuery( this ).wrapInner( html.call( this, i ) );
  			} );
  		}
  
  		return this.each( function() {
  			var self = jQuery( this ),
  				contents = self.contents();
  
  			if ( contents.length ) {
  				contents.wrapAll( html );
  
  			} else {
  				self.append( html );
  			}
  		} );
  	},
  
  	wrap: function( html ) {
  		var htmlIsFunction = isFunction( html );
  
  		return this.each( function( i ) {
  			jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
  		} );
  	},
  
  	unwrap: function( selector ) {
  		this.parent( selector ).not( "body" ).each( function() {
  			jQuery( this ).replaceWith( this.childNodes );
  		} );
  		return this;
  	}
  } );
  
  
  jQuery.expr.pseudos.hidden = function( elem ) {
  	return !jQuery.expr.pseudos.visible( elem );
  };
  jQuery.expr.pseudos.visible = function( elem ) {
  	return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
  };
  
  
  
  
  jQuery.ajaxSettings.xhr = function() {
  	try {
  		return new window.XMLHttpRequest();
  	} catch ( e ) {}
  };
  
  var xhrSuccessStatus = {
  
  		// File protocol always yields status code 0, assume 200
  		0: 200,
  
  		// Support: IE <=9 only
  		// #1450: sometimes IE returns 1223 when it should be 204
  		1223: 204
  	},
  	xhrSupported = jQuery.ajaxSettings.xhr();
  
  support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
  support.ajax = xhrSupported = !!xhrSupported;
  
  jQuery.ajaxTransport( function( options ) {
  	var callback, errorCallback;
  
  	// Cross domain only allowed if supported through XMLHttpRequest
  	if ( support.cors || xhrSupported && !options.crossDomain ) {
  		return {
  			send: function( headers, complete ) {
  				var i,
  					xhr = options.xhr();
  
  				xhr.open(
  					options.type,
  					options.url,
  					options.async,
  					options.username,
  					options.password
  				);
  
  				// Apply custom fields if provided
  				if ( options.xhrFields ) {
  					for ( i in options.xhrFields ) {
  						xhr[ i ] = options.xhrFields[ i ];
  					}
  				}
  
  				// Override mime type if needed
  				if ( options.mimeType && xhr.overrideMimeType ) {
  					xhr.overrideMimeType( options.mimeType );
  				}
  
  				// X-Requested-With header
  				// For cross-domain requests, seeing as conditions for a preflight are
  				// akin to a jigsaw puzzle, we simply never set it to be sure.
  				// (it can always be set on a per-request basis or even using ajaxSetup)
  				// For same-domain requests, won't change header if already provided.
  				if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
  					headers[ "X-Requested-With" ] = "XMLHttpRequest";
  				}
  
  				// Set headers
  				for ( i in headers ) {
  					xhr.setRequestHeader( i, headers[ i ] );
  				}
  
  				// Callback
  				callback = function( type ) {
  					return function() {
  						if ( callback ) {
  							callback = errorCallback = xhr.onload =
  								xhr.onerror = xhr.onabort = xhr.ontimeout =
  									xhr.onreadystatechange = null;
  
  							if ( type === "abort" ) {
  								xhr.abort();
  							} else if ( type === "error" ) {
  
  								// Support: IE <=9 only
  								// On a manual native abort, IE9 throws
  								// errors on any property access that is not readyState
  								if ( typeof xhr.status !== "number" ) {
  									complete( 0, "error" );
  								} else {
  									complete(
  
  										// File: protocol always yields status 0; see #8605, #14207
  										xhr.status,
  										xhr.statusText
  									);
  								}
  							} else {
  								complete(
  									xhrSuccessStatus[ xhr.status ] || xhr.status,
  									xhr.statusText,
  
  									// Support: IE <=9 only
  									// IE9 has no XHR2 but throws on binary (trac-11426)
  									// For XHR2 non-text, let the caller handle it (gh-2498)
  									( xhr.responseType || "text" ) !== "text"  ||
  									typeof xhr.responseText !== "string" ?
  										{ binary: xhr.response } :
  										{ text: xhr.responseText },
  									xhr.getAllResponseHeaders()
  								);
  							}
  						}
  					};
  				};
  
  				// Listen to events
  				xhr.onload = callback();
  				errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" );
  
  				// Support: IE 9 only
  				// Use onreadystatechange to replace onabort
  				// to handle uncaught aborts
  				if ( xhr.onabort !== undefined ) {
  					xhr.onabort = errorCallback;
  				} else {
  					xhr.onreadystatechange = function() {
  
  						// Check readyState before timeout as it changes
  						if ( xhr.readyState === 4 ) {
  
  							// Allow onerror to be called first,
  							// but that will not handle a native abort
  							// Also, save errorCallback to a variable
  							// as xhr.onerror cannot be accessed
  							window.setTimeout( function() {
  								if ( callback ) {
  									errorCallback();
  								}
  							} );
  						}
  					};
  				}
  
  				// Create the abort callback
  				callback = callback( "abort" );
  
  				try {
  
  					// Do send the request (this may raise an exception)
  					xhr.send( options.hasContent && options.data || null );
  				} catch ( e ) {
  
  					// #14683: Only rethrow if this hasn't been notified as an error yet
  					if ( callback ) {
  						throw e;
  					}
  				}
  			},
  
  			abort: function() {
  				if ( callback ) {
  					callback();
  				}
  			}
  		};
  	}
  } );
  
  
  
  
  // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
  jQuery.ajaxPrefilter( function( s ) {
  	if ( s.crossDomain ) {
  		s.contents.script = false;
  	}
  } );
  
  // Install script dataType
  jQuery.ajaxSetup( {
  	accepts: {
  		script: "text/javascript, application/javascript, " +
  			"application/ecmascript, application/x-ecmascript"
  	},
  	contents: {
  		script: /\b(?:java|ecma)script\b/
  	},
  	converters: {
  		"text script": function( text ) {
  			jQuery.globalEval( text );
  			return text;
  		}
  	}
  } );
  
  // Handle cache's special case and crossDomain
  jQuery.ajaxPrefilter( "script", function( s ) {
  	if ( s.cache === undefined ) {
  		s.cache = false;
  	}
  	if ( s.crossDomain ) {
  		s.type = "GET";
  	}
  } );
  
  // Bind script tag hack transport
  jQuery.ajaxTransport( "script", function( s ) {
  
  	// This transport only deals with cross domain or forced-by-attrs requests
  	if ( s.crossDomain || s.scriptAttrs ) {
  		var script, callback;
  		return {
  			send: function( _, complete ) {
  				script = jQuery( "<script>" )
  					.attr( s.scriptAttrs || {} )
  					.prop( { charset: s.scriptCharset, src: s.url } )
  					.on( "load error", callback = function( evt ) {
  						script.remove();
  						callback = null;
  						if ( evt ) {
  							complete( evt.type === "error" ? 404 : 200, evt.type );
  						}
  					} );
  
  				// Use native DOM manipulation to avoid our domManip AJAX trickery
  				document.head.appendChild( script[ 0 ] );
  			},
  			abort: function() {
  				if ( callback ) {
  					callback();
  				}
  			}
  		};
  	}
  } );
  
  
  
  
  var oldCallbacks = [],
  	rjsonp = /(=)\?(?=&|$)|\?\?/;
  
  // Default jsonp settings
  jQuery.ajaxSetup( {
  	jsonp: "callback",
  	jsonpCallback: function() {
  		var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
  		this[ callback ] = true;
  		return callback;
  	}
  } );
  
  // Detect, normalize options and install callbacks for jsonp requests
  jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
  
  	var callbackName, overwritten, responseContainer,
  		jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
  			"url" :
  			typeof s.data === "string" &&
  				( s.contentType || "" )
  					.indexOf( "application/x-www-form-urlencoded" ) === 0 &&
  				rjsonp.test( s.data ) && "data"
  		);
  
  	// Handle iff the expected data type is "jsonp" or we have a parameter to set
  	if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
  
  		// Get callback name, remembering preexisting value associated with it
  		callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ?
  			s.jsonpCallback() :
  			s.jsonpCallback;
  
  		// Insert callback into url or form data
  		if ( jsonProp ) {
  			s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
  		} else if ( s.jsonp !== false ) {
  			s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
  		}
  
  		// Use data converter to retrieve json after script execution
  		s.converters[ "script json" ] = function() {
  			if ( !responseContainer ) {
  				jQuery.error( callbackName + " was not called" );
  			}
  			return responseContainer[ 0 ];
  		};
  
  		// Force json dataType
  		s.dataTypes[ 0 ] = "json";
  
  		// Install callback
  		overwritten = window[ callbackName ];
  		window[ callbackName ] = function() {
  			responseContainer = arguments;
  		};
  
  		// Clean-up function (fires after converters)
  		jqXHR.always( function() {
  
  			// If previous value didn't exist - remove it
  			if ( overwritten === undefined ) {
  				jQuery( window ).removeProp( callbackName );
  
  			// Otherwise restore preexisting value
  			} else {
  				window[ callbackName ] = overwritten;
  			}
  
  			// Save back as free
  			if ( s[ callbackName ] ) {
  
  				// Make sure that re-using the options doesn't screw things around
  				s.jsonpCallback = originalSettings.jsonpCallback;
  
  				// Save the callback name for future use
  				oldCallbacks.push( callbackName );
  			}
  
  			// Call if it was a function and we have a response
  			if ( responseContainer && isFunction( overwritten ) ) {
  				overwritten( responseContainer[ 0 ] );
  			}
  
  			responseContainer = overwritten = undefined;
  		} );
  
  		// Delegate to script
  		return "script";
  	}
  } );
  
  
  
  
  // Support: Safari 8 only
  // In Safari 8 documents created via document.implementation.createHTMLDocument
  // collapse sibling forms: the second one becomes a child of the first one.
  // Because of that, this security measure has to be disabled in Safari 8.
  // https://bugs.webkit.org/show_bug.cgi?id=137337
  support.createHTMLDocument = ( function() {
  	var body = document.implementation.createHTMLDocument( "" ).body;
  	body.innerHTML = "<form></form><form></form>";
  	return body.childNodes.length === 2;
  } )();
  
  
  // Argument "data" should be string of html
  // context (optional): If specified, the fragment will be created in this context,
  // defaults to document
  // keepScripts (optional): If true, will include scripts passed in the html string
  jQuery.parseHTML = function( data, context, keepScripts ) {
  	if ( typeof data !== "string" ) {
  		return [];
  	}
  	if ( typeof context === "boolean" ) {
  		keepScripts = context;
  		context = false;
  	}
  
  	var base, parsed, scripts;
  
  	if ( !context ) {
  
  		// Stop scripts or inline event handlers from being executed immediately
  		// by using document.implementation
  		if ( support.createHTMLDocument ) {
  			context = document.implementation.createHTMLDocument( "" );
  
  			// Set the base href for the created document
  			// so any parsed elements with URLs
  			// are based on the document's URL (gh-2965)
  			base = context.createElement( "base" );
  			base.href = document.location.href;
  			context.head.appendChild( base );
  		} else {
  			context = document;
  		}
  	}
  
  	parsed = rsingleTag.exec( data );
  	scripts = !keepScripts && [];
  
  	// Single tag
  	if ( parsed ) {
  		return [ context.createElement( parsed[ 1 ] ) ];
  	}
  
  	parsed = buildFragment( [ data ], context, scripts );
  
  	if ( scripts && scripts.length ) {
  		jQuery( scripts ).remove();
  	}
  
  	return jQuery.merge( [], parsed.childNodes );
  };
  
  
  /**
   * Load a url into a page
   */
  jQuery.fn.load = function( url, params, callback ) {
  	var selector, type, response,
  		self = this,
  		off = url.indexOf( " " );
  
  	if ( off > -1 ) {
  		selector = stripAndCollapse( url.slice( off ) );
  		url = url.slice( 0, off );
  	}
  
  	// If it's a function
  	if ( isFunction( params ) ) {
  
  		// We assume that it's the callback
  		callback = params;
  		params = undefined;
  
  	// Otherwise, build a param string
  	} else if ( params && typeof params === "object" ) {
  		type = "POST";
  	}
  
  	// If we have elements to modify, make the request
  	if ( self.length > 0 ) {
  		jQuery.ajax( {
  			url: url,
  
  			// If "type" variable is undefined, then "GET" method will be used.
  			// Make value of this field explicit since
  			// user can override it through ajaxSetup method
  			type: type || "GET",
  			dataType: "html",
  			data: params
  		} ).done( function( responseText ) {
  
  			// Save response for use in complete callback
  			response = arguments;
  
  			self.html( selector ?
  
  				// If a selector was specified, locate the right elements in a dummy div
  				// Exclude scripts to avoid IE 'Permission Denied' errors
  				jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
  
  				// Otherwise use the full result
  				responseText );
  
  		// If the request succeeds, this function gets "data", "status", "jqXHR"
  		// but they are ignored because response was set above.
  		// If it fails, this function gets "jqXHR", "status", "error"
  		} ).always( callback && function( jqXHR, status ) {
  			self.each( function() {
  				callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
  			} );
  		} );
  	}
  
  	return this;
  };
  
  
  
  
  // Attach a bunch of functions for handling common AJAX events
  jQuery.each( [
  	"ajaxStart",
  	"ajaxStop",
  	"ajaxComplete",
  	"ajaxError",
  	"ajaxSuccess",
  	"ajaxSend"
  ], function( i, type ) {
  	jQuery.fn[ type ] = function( fn ) {
  		return this.on( type, fn );
  	};
  } );
  
  
  
  
  jQuery.expr.pseudos.animated = function( elem ) {
  	return jQuery.grep( jQuery.timers, function( fn ) {
  		return elem === fn.elem;
  	} ).length;
  };
  
  
  
  
  jQuery.offset = {
  	setOffset: function( elem, options, i ) {
  		var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
  			position = jQuery.css( elem, "position" ),
  			curElem = jQuery( elem ),
  			props = {};
  
  		// Set position first, in-case top/left are set even on static elem
  		if ( position === "static" ) {
  			elem.style.position = "relative";
  		}
  
  		curOffset = curElem.offset();
  		curCSSTop = jQuery.css( elem, "top" );
  		curCSSLeft = jQuery.css( elem, "left" );
  		calculatePosition = ( position === "absolute" || position === "fixed" ) &&
  			( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
  
  		// Need to be able to calculate position if either
  		// top or left is auto and position is either absolute or fixed
  		if ( calculatePosition ) {
  			curPosition = curElem.position();
  			curTop = curPosition.top;
  			curLeft = curPosition.left;
  
  		} else {
  			curTop = parseFloat( curCSSTop ) || 0;
  			curLeft = parseFloat( curCSSLeft ) || 0;
  		}
  
  		if ( isFunction( options ) ) {
  
  			// Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
  			options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
  		}
  
  		if ( options.top != null ) {
  			props.top = ( options.top - curOffset.top ) + curTop;
  		}
  		if ( options.left != null ) {
  			props.left = ( options.left - curOffset.left ) + curLeft;
  		}
  
  		if ( "using" in options ) {
  			options.using.call( elem, props );
  
  		} else {
  			curElem.css( props );
  		}
  	}
  };
  
  jQuery.fn.extend( {
  
  	// offset() relates an element's border box to the document origin
  	offset: function( options ) {
  
  		// Preserve chaining for setter
  		if ( arguments.length ) {
  			return options === undefined ?
  				this :
  				this.each( function( i ) {
  					jQuery.offset.setOffset( this, options, i );
  				} );
  		}
  
  		var rect, win,
  			elem = this[ 0 ];
  
  		if ( !elem ) {
  			return;
  		}
  
  		// Return zeros for disconnected and hidden (display: none) elements (gh-2310)
  		// Support: IE <=11 only
  		// Running getBoundingClientRect on a
  		// disconnected node in IE throws an error
  		if ( !elem.getClientRects().length ) {
  			return { top: 0, left: 0 };
  		}
  
  		// Get document-relative position by adding viewport scroll to viewport-relative gBCR
  		rect = elem.getBoundingClientRect();
  		win = elem.ownerDocument.defaultView;
  		return {
  			top: rect.top + win.pageYOffset,
  			left: rect.left + win.pageXOffset
  		};
  	},
  
  	// position() relates an element's margin box to its offset parent's padding box
  	// This corresponds to the behavior of CSS absolute positioning
  	position: function() {
  		if ( !this[ 0 ] ) {
  			return;
  		}
  
  		var offsetParent, offset, doc,
  			elem = this[ 0 ],
  			parentOffset = { top: 0, left: 0 };
  
  		// position:fixed elements are offset from the viewport, which itself always has zero offset
  		if ( jQuery.css( elem, "position" ) === "fixed" ) {
  
  			// Assume position:fixed implies availability of getBoundingClientRect
  			offset = elem.getBoundingClientRect();
  
  		} else {
  			offset = this.offset();
  
  			// Account for the *real* offset parent, which can be the document or its root element
  			// when a statically positioned element is identified
  			doc = elem.ownerDocument;
  			offsetParent = elem.offsetParent || doc.documentElement;
  			while ( offsetParent &&
  				( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
  				jQuery.css( offsetParent, "position" ) === "static" ) {
  
  				offsetParent = offsetParent.parentNode;
  			}
  			if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
  
  				// Incorporate borders into its offset, since they are outside its content origin
  				parentOffset = jQuery( offsetParent ).offset();
  				parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
  				parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
  			}
  		}
  
  		// Subtract parent offsets and element margins
  		return {
  			top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
  			left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
  		};
  	},
  
  	// This method will return documentElement in the following cases:
  	// 1) For the element inside the iframe without offsetParent, this method will return
  	//    documentElement of the parent window
  	// 2) For the hidden or detached element
  	// 3) For body or html element, i.e. in case of the html node - it will return itself
  	//
  	// but those exceptions were never presented as a real life use-cases
  	// and might be considered as more preferable results.
  	//
  	// This logic, however, is not guaranteed and can change at any point in the future
  	offsetParent: function() {
  		return this.map( function() {
  			var offsetParent = this.offsetParent;
  
  			while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
  				offsetParent = offsetParent.offsetParent;
  			}
  
  			return offsetParent || documentElement;
  		} );
  	}
  } );
  
  // Create scrollLeft and scrollTop methods
  jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
  	var top = "pageYOffset" === prop;
  
  	jQuery.fn[ method ] = function( val ) {
  		return access( this, function( elem, method, val ) {
  
  			// Coalesce documents and windows
  			var win;
  			if ( isWindow( elem ) ) {
  				win = elem;
  			} else if ( elem.nodeType === 9 ) {
  				win = elem.defaultView;
  			}
  
  			if ( val === undefined ) {
  				return win ? win[ prop ] : elem[ method ];
  			}
  
  			if ( win ) {
  				win.scrollTo(
  					!top ? val : win.pageXOffset,
  					top ? val : win.pageYOffset
  				);
  
  			} else {
  				elem[ method ] = val;
  			}
  		}, method, val, arguments.length );
  	};
  } );
  
  // Support: Safari <=7 - 9.1, Chrome <=37 - 49
  // Add the top/left cssHooks using jQuery.fn.position
  // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
  // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
  // getComputedStyle returns percent when specified for top/left/bottom/right;
  // rather than make the css module depend on the offset module, just check for it here
  jQuery.each( [ "top", "left" ], function( i, prop ) {
  	jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
  		function( elem, computed ) {
  			if ( computed ) {
  				computed = curCSS( elem, prop );
  
  				// If curCSS returns percentage, fallback to offset
  				return rnumnonpx.test( computed ) ?
  					jQuery( elem ).position()[ prop ] + "px" :
  					computed;
  			}
  		}
  	);
  } );
  
  
  // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
  jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
  	jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
  		function( defaultExtra, funcName ) {
  
  		// Margin is only for outerHeight, outerWidth
  		jQuery.fn[ funcName ] = function( margin, value ) {
  			var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
  				extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
  
  			return access( this, function( elem, type, value ) {
  				var doc;
  
  				if ( isWindow( elem ) ) {
  
  					// $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
  					return funcName.indexOf( "outer" ) === 0 ?
  						elem[ "inner" + name ] :
  						elem.document.documentElement[ "client" + name ];
  				}
  
  				// Get document width or height
  				if ( elem.nodeType === 9 ) {
  					doc = elem.documentElement;
  
  					// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
  					// whichever is greatest
  					return Math.max(
  						elem.body[ "scroll" + name ], doc[ "scroll" + name ],
  						elem.body[ "offset" + name ], doc[ "offset" + name ],
  						doc[ "client" + name ]
  					);
  				}
  
  				return value === undefined ?
  
  					// Get width or height on the element, requesting but not forcing parseFloat
  					jQuery.css( elem, type, extra ) :
  
  					// Set width or height on the element
  					jQuery.style( elem, type, value, extra );
  			}, type, chainable ? margin : undefined, chainable );
  		};
  	} );
  } );
  
  
  jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
  	"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
  	"change select submit keydown keypress keyup contextmenu" ).split( " " ),
  	function( i, name ) {
  
  	// Handle event binding
  	jQuery.fn[ name ] = function( data, fn ) {
  		return arguments.length > 0 ?
  			this.on( name, null, data, fn ) :
  			this.trigger( name );
  	};
  } );
  
  jQuery.fn.extend( {
  	hover: function( fnOver, fnOut ) {
  		return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
  	}
  } );
  
  
  
  
  jQuery.fn.extend( {
  
  	bind: function( types, data, fn ) {
  		return this.on( types, null, data, fn );
  	},
  	unbind: function( types, fn ) {
  		return this.off( types, null, fn );
  	},
  
  	delegate: function( selector, types, data, fn ) {
  		return this.on( types, selector, data, fn );
  	},
  	undelegate: function( selector, types, fn ) {
  
  		// ( namespace ) or ( selector, types [, fn] )
  		return arguments.length === 1 ?
  			this.off( selector, "**" ) :
  			this.off( types, selector || "**", fn );
  	}
  } );
  
  // Bind a function to a context, optionally partially applying any
  // arguments.
  // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
  // However, it is not slated for removal any time soon
  jQuery.proxy = function( fn, context ) {
  	var tmp, args, proxy;
  
  	if ( typeof context === "string" ) {
  		tmp = fn[ context ];
  		context = fn;
  		fn = tmp;
  	}
  
  	// Quick check to determine if target is callable, in the spec
  	// this throws a TypeError, but we will just return undefined.
  	if ( !isFunction( fn ) ) {
  		return undefined;
  	}
  
  	// Simulated bind
  	args = slice.call( arguments, 2 );
  	proxy = function() {
  		return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
  	};
  
  	// Set the guid of unique handler to the same of original handler, so it can be removed
  	proxy.guid = fn.guid = fn.guid || jQuery.guid++;
  
  	return proxy;
  };
  
  jQuery.holdReady = function( hold ) {
  	if ( hold ) {
  		jQuery.readyWait++;
  	} else {
  		jQuery.ready( true );
  	}
  };
  jQuery.isArray = Array.isArray;
  jQuery.parseJSON = JSON.parse;
  jQuery.nodeName = nodeName;
  jQuery.isFunction = isFunction;
  jQuery.isWindow = isWindow;
  jQuery.camelCase = camelCase;
  jQuery.type = toType;
  
  jQuery.now = Date.now;
  
  jQuery.isNumeric = function( obj ) {
  
  	// As of jQuery 3.0, isNumeric is limited to
  	// strings and numbers (primitives or objects)
  	// that can be coerced to finite numbers (gh-2662)
  	var type = jQuery.type( obj );
  	return ( type === "number" || type === "string" ) &&
  
  		// parseFloat NaNs numeric-cast false positives ("")
  		// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
  		// subtraction forces infinities to NaN
  		!isNaN( obj - parseFloat( obj ) );
  };
  
  
  
  
  // Register as a named AMD module, since jQuery can be concatenated with other
  // files that may use define, but not via a proper concatenation script that
  // understands anonymous AMD modules. A named AMD is safest and most robust
  // way to register. Lowercase jquery is used because AMD module names are
  // derived from file names, and jQuery is normally delivered in a lowercase
  // file name. Do this after creating the global so that if an AMD module wants
  // to call noConflict to hide this version of jQuery, it will work.
  
  // Note that for maximum portability, libraries that are not jQuery should
  // declare themselves as anonymous modules, and avoid setting a global if an
  // AMD loader is present. jQuery is a special case. For more information, see
  // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
  
  if ( typeof define === "function" && define.amd ) {
  	define( "jquery", [], function() {
  		return jQuery;
  	} );
  }
  
  
  
  
  var
  
  	// Map over jQuery in case of overwrite
  	_jQuery = window.jQuery,
  
  	// Map over the $ in case of overwrite
  	_$ = window.$;
  
  jQuery.noConflict = function( deep ) {
  	if ( window.$ === jQuery ) {
  		window.$ = _$;
  	}
  
  	if ( deep && window.jQuery === jQuery ) {
  		window.jQuery = _jQuery;
  	}
  
  	return jQuery;
  };
  
  // Expose jQuery and $ identifiers, even in AMD
  // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
  // and CommonJS for browser emulators (#13566)
  if ( !noGlobal ) {
  	window.jQuery = window.$ = jQuery;
  }
  
  
  
  
  return jQuery;
  } );
  
  /*!
   * Bootstrap v3.3.7 (http://getbootstrap.com)
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under the MIT license
   */
  
  if (typeof jQuery === 'undefined') {
    throw new Error('Bootstrap\'s JavaScript requires jQuery')
  }
  
  +function ($) {
    'use strict';
    var version = $.fn.jquery.split(' ')[0].split('.')
    if ((version[0] < 2 && version[1] < 9) || (version[0] == 1 && version[1] == 9 && version[2] < 1) || (version[0] > 3)) {
      throw new Error('Bootstrap\'s JavaScript requires jQuery version 1.9.1 or higher, but lower than version 4')
    }
  }(jQuery);
  
  /* ========================================================================
   * Bootstrap: transition.js v3.3.7
   * http://getbootstrap.com/javascript/#transitions
   * ========================================================================
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * ======================================================================== */
  
  
  +function ($) {
    'use strict';
  
    // CSS TRANSITION SUPPORT (Shoutout: http://www.modernizr.com/)
    // ============================================================
  
    function transitionEnd() {
      var el = document.createElement('bootstrap')
  
      var transEndEventNames = {
        WebkitTransition : 'webkitTransitionEnd',
        MozTransition    : 'transitionend',
        OTransition      : 'oTransitionEnd otransitionend',
        transition       : 'transitionend'
      }
  
      for (var name in transEndEventNames) {
        if (el.style[name] !== undefined) {
          return { end: transEndEventNames[name] }
        }
      }
  
      return false // explicit for ie8 (  ._.)
    }
  
    // http://blog.alexmaccaw.com/css-transitions
    $.fn.emulateTransitionEnd = function (duration) {
      var called = false
      var $el = this
      $(this).one('bsTransitionEnd', function () { called = true })
      var callback = function () { if (!called) $($el).trigger($.support.transition.end) }
      setTimeout(callback, duration)
      return this
    }
  
    $(function () {
      $.support.transition = transitionEnd()
  
      if (!$.support.transition) return
  
      $.event.special.bsTransitionEnd = {
        bindType: $.support.transition.end,
        delegateType: $.support.transition.end,
        handle: function (e) {
          if ($(e.target).is(this)) return e.handleObj.handler.apply(this, arguments)
        }
      }
    })
  
  }(jQuery);
  
  /* ========================================================================
   * Bootstrap: alert.js v3.3.7
   * http://getbootstrap.com/javascript/#alerts
   * ========================================================================
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * ======================================================================== */
  
  
  +function ($) {
    'use strict';
  
    // ALERT CLASS DEFINITION
    // ======================
  
    var dismiss = '[data-dismiss="alert"]'
    var Alert   = function (el) {
      $(el).on('click', dismiss, this.close)
    }
  
    Alert.VERSION = '3.3.7'
  
    Alert.TRANSITION_DURATION = 150
  
    Alert.prototype.close = function (e) {
      var $this    = $(this)
      var selector = $this.attr('data-target')
  
      if (!selector) {
        selector = $this.attr('href')
        selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7
      }
  
      var $parent = $(selector === '#' ? [] : selector)
  
      if (e) e.preventDefault()
  
      if (!$parent.length) {
        $parent = $this.closest('.alert')
      }
  
      $parent.trigger(e = $.Event('close.bs.alert'))
  
      if (e.isDefaultPrevented()) return
  
      $parent.removeClass('in')
  
      function removeElement() {
        // detach from parent, fire event then clean up data
        $parent.detach().trigger('closed.bs.alert').remove()
      }
  
      $.support.transition && $parent.hasClass('fade') ?
        $parent
          .one('bsTransitionEnd', removeElement)
          .emulateTransitionEnd(Alert.TRANSITION_DURATION) :
        removeElement()
    }
  
  
    // ALERT PLUGIN DEFINITION
    // =======================
  
    function Plugin(option) {
      return this.each(function () {
        var $this = $(this)
        var data  = $this.data('bs.alert')
  
        if (!data) $this.data('bs.alert', (data = new Alert(this)))
        if (typeof option == 'string') data[option].call($this)
      })
    }
  
    var old = $.fn.alert
  
    $.fn.alert             = Plugin
    $.fn.alert.Constructor = Alert
  
  
    // ALERT NO CONFLICT
    // =================
  
    $.fn.alert.noConflict = function () {
      $.fn.alert = old
      return this
    }
  
  
    // ALERT DATA-API
    // ==============
  
    $(document).on('click.bs.alert.data-api', dismiss, Alert.prototype.close)
  
  }(jQuery);
  
  /* ========================================================================
   * Bootstrap: button.js v3.3.7
   * http://getbootstrap.com/javascript/#buttons
   * ========================================================================
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * ======================================================================== */
  
  
  +function ($) {
    'use strict';
  
    // BUTTON PUBLIC CLASS DEFINITION
    // ==============================
  
    var Button = function (element, options) {
      this.$element  = $(element)
      this.options   = $.extend({}, Button.DEFAULTS, options)
      this.isLoading = false
    }
  
    Button.VERSION  = '3.3.7'
  
    Button.DEFAULTS = {
      loadingText: 'loading...'
    }
  
    Button.prototype.setState = function (state) {
      var d    = 'disabled'
      var $el  = this.$element
      var val  = $el.is('input') ? 'val' : 'html'
      var data = $el.data()
  
      state += 'Text'
  
      if (data.resetText == null) $el.data('resetText', $el[val]())
  
      // push to event loop to allow forms to submit
      setTimeout($.proxy(function () {
        $el[val](data[state] == null ? this.options[state] : data[state])
  
        if (state == 'loadingText') {
          this.isLoading = true
          $el.addClass(d).attr(d, d).prop(d, true)
        } else if (this.isLoading) {
          this.isLoading = false
          $el.removeClass(d).removeAttr(d).prop(d, false)
        }
      }, this), 0)
    }
  
    Button.prototype.toggle = function () {
      var changed = true
      var $parent = this.$element.closest('[data-toggle="buttons"]')
  
      if ($parent.length) {
        var $input = this.$element.find('input')
        if ($input.prop('type') == 'radio') {
          if ($input.prop('checked')) changed = false
          $parent.find('.active').removeClass('active')
          this.$element.addClass('active')
        } else if ($input.prop('type') == 'checkbox') {
          if (($input.prop('checked')) !== this.$element.hasClass('active')) changed = false
          this.$element.toggleClass('active')
        }
        $input.prop('checked', this.$element.hasClass('active'))
        if (changed) $input.trigger('change')
      } else {
        this.$element.attr('aria-pressed', !this.$element.hasClass('active'))
        this.$element.toggleClass('active')
      }
    }
  
  
    // BUTTON PLUGIN DEFINITION
    // ========================
  
    function Plugin(option) {
      return this.each(function () {
        var $this   = $(this)
        var data    = $this.data('bs.button')
        var options = typeof option == 'object' && option
  
        if (!data) $this.data('bs.button', (data = new Button(this, options)))
  
        if (option == 'toggle') data.toggle()
        else if (option) data.setState(option)
      })
    }
  
    var old = $.fn.button
  
    $.fn.button             = Plugin
    $.fn.button.Constructor = Button
  
  
    // BUTTON NO CONFLICT
    // ==================
  
    $.fn.button.noConflict = function () {
      $.fn.button = old
      return this
    }
  
  
    // BUTTON DATA-API
    // ===============
  
    $(document)
      .on('click.bs.button.data-api', '[data-toggle^="button"]', function (e) {
        var $btn = $(e.target).closest('.btn')
        Plugin.call($btn, 'toggle')
        if (!($(e.target).is('input[type="radio"], input[type="checkbox"]'))) {
          // Prevent double click on radios, and the double selections (so cancellation) on checkboxes
          e.preventDefault()
          // The target component still receive the focus
          if ($btn.is('input,button')) $btn.trigger('focus')
          else $btn.find('input:visible,button:visible').first().trigger('focus')
        }
      })
      .on('focus.bs.button.data-api blur.bs.button.data-api', '[data-toggle^="button"]', function (e) {
        $(e.target).closest('.btn').toggleClass('focus', /^focus(in)?$/.test(e.type))
      })
  
  }(jQuery);
  
  /* ========================================================================
   * Bootstrap: carousel.js v3.3.7
   * http://getbootstrap.com/javascript/#carousel
   * ========================================================================
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * ======================================================================== */
  
  
  +function ($) {
    'use strict';
  
    // CAROUSEL CLASS DEFINITION
    // =========================
  
    var Carousel = function (element, options) {
      this.$element    = $(element)
      this.$indicators = this.$element.find('.carousel-indicators')
      this.options     = options
      this.paused      = null
      this.sliding     = null
      this.interval    = null
      this.$active     = null
      this.$items      = null
  
      this.options.keyboard && this.$element.on('keydown.bs.carousel', $.proxy(this.keydown, this))
  
      this.options.pause == 'hover' && !('ontouchstart' in document.documentElement) && this.$element
        .on('mouseenter.bs.carousel', $.proxy(this.pause, this))
        .on('mouseleave.bs.carousel', $.proxy(this.cycle, this))
    }
  
    Carousel.VERSION  = '3.3.7'
  
    Carousel.TRANSITION_DURATION = 600
  
    Carousel.DEFAULTS = {
      interval: 5000,
      pause: 'hover',
      wrap: true,
      keyboard: true
    }
  
    Carousel.prototype.keydown = function (e) {
      if (/input|textarea/i.test(e.target.tagName)) return
      switch (e.which) {
        case 37: this.prev(); break
        case 39: this.next(); break
        default: return
      }
  
      e.preventDefault()
    }
  
    Carousel.prototype.cycle = function (e) {
      e || (this.paused = false)
  
      this.interval && clearInterval(this.interval)
  
      this.options.interval
        && !this.paused
        && (this.interval = setInterval($.proxy(this.next, this), this.options.interval))
  
      return this
    }
  
    Carousel.prototype.getItemIndex = function (item) {
      this.$items = item.parent().children('.item')
      return this.$items.index(item || this.$active)
    }
  
    Carousel.prototype.getItemForDirection = function (direction, active) {
      var activeIndex = this.getItemIndex(active)
      var willWrap = (direction == 'prev' && activeIndex === 0)
                  || (direction == 'next' && activeIndex == (this.$items.length - 1))
      if (willWrap && !this.options.wrap) return active
      var delta = direction == 'prev' ? -1 : 1
      var itemIndex = (activeIndex + delta) % this.$items.length
      return this.$items.eq(itemIndex)
    }
  
    Carousel.prototype.to = function (pos) {
      var that        = this
      var activeIndex = this.getItemIndex(this.$active = this.$element.find('.item.active'))
  
      if (pos > (this.$items.length - 1) || pos < 0) return
  
      if (this.sliding)       return this.$element.one('slid.bs.carousel', function () { that.to(pos) }) // yes, "slid"
      if (activeIndex == pos) return this.pause().cycle()
  
      return this.slide(pos > activeIndex ? 'next' : 'prev', this.$items.eq(pos))
    }
  
    Carousel.prototype.pause = function (e) {
      e || (this.paused = true)
  
      if (this.$element.find('.next, .prev').length && $.support.transition) {
        this.$element.trigger($.support.transition.end)
        this.cycle(true)
      }
  
      this.interval = clearInterval(this.interval)
  
      return this
    }
  
    Carousel.prototype.next = function () {
      if (this.sliding) return
      return this.slide('next')
    }
  
    Carousel.prototype.prev = function () {
      if (this.sliding) return
      return this.slide('prev')
    }
  
    Carousel.prototype.slide = function (type, next) {
      var $active   = this.$element.find('.item.active')
      var $next     = next || this.getItemForDirection(type, $active)
      var isCycling = this.interval
      var direction = type == 'next' ? 'left' : 'right'
      var that      = this
  
      if ($next.hasClass('active')) return (this.sliding = false)
  
      var relatedTarget = $next[0]
      var slideEvent = $.Event('slide.bs.carousel', {
        relatedTarget: relatedTarget,
        direction: direction
      })
      this.$element.trigger(slideEvent)
      if (slideEvent.isDefaultPrevented()) return
  
      this.sliding = true
  
      isCycling && this.pause()
  
      if (this.$indicators.length) {
        this.$indicators.find('.active').removeClass('active')
        var $nextIndicator = $(this.$indicators.children()[this.getItemIndex($next)])
        $nextIndicator && $nextIndicator.addClass('active')
      }
  
      var slidEvent = $.Event('slid.bs.carousel', { relatedTarget: relatedTarget, direction: direction }) // yes, "slid"
      if ($.support.transition && this.$element.hasClass('slide')) {
        $next.addClass(type)
        $next[0].offsetWidth // force reflow
        $active.addClass(direction)
        $next.addClass(direction)
        $active
          .one('bsTransitionEnd', function () {
            $next.removeClass([type, direction].join(' ')).addClass('active')
            $active.removeClass(['active', direction].join(' '))
            that.sliding = false
            setTimeout(function () {
              that.$element.trigger(slidEvent)
            }, 0)
          })
          .emulateTransitionEnd(Carousel.TRANSITION_DURATION)
      } else {
        $active.removeClass('active')
        $next.addClass('active')
        this.sliding = false
        this.$element.trigger(slidEvent)
      }
  
      isCycling && this.cycle()
  
      return this
    }
  
  
    // CAROUSEL PLUGIN DEFINITION
    // ==========================
  
    function Plugin(option) {
      return this.each(function () {
        var $this   = $(this)
        var data    = $this.data('bs.carousel')
        var options = $.extend({}, Carousel.DEFAULTS, $this.data(), typeof option == 'object' && option)
        var action  = typeof option == 'string' ? option : options.slide
  
        if (!data) $this.data('bs.carousel', (data = new Carousel(this, options)))
        if (typeof option == 'number') data.to(option)
        else if (action) data[action]()
        else if (options.interval) data.pause().cycle()
      })
    }
  
    var old = $.fn.carousel
  
    $.fn.carousel             = Plugin
    $.fn.carousel.Constructor = Carousel
  
  
    // CAROUSEL NO CONFLICT
    // ====================
  
    $.fn.carousel.noConflict = function () {
      $.fn.carousel = old
      return this
    }
  
  
    // CAROUSEL DATA-API
    // =================
  
    var clickHandler = function (e) {
      var href
      var $this   = $(this)
      var $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) // strip for ie7
      if (!$target.hasClass('carousel')) return
      var options = $.extend({}, $target.data(), $this.data())
      var slideIndex = $this.attr('data-slide-to')
      if (slideIndex) options.interval = false
  
      Plugin.call($target, options)
  
      if (slideIndex) {
        $target.data('bs.carousel').to(slideIndex)
      }
  
      e.preventDefault()
    }
  
    $(document)
      .on('click.bs.carousel.data-api', '[data-slide]', clickHandler)
      .on('click.bs.carousel.data-api', '[data-slide-to]', clickHandler)
  
    $(window).on('load', function () {
      $('[data-ride="carousel"]').each(function () {
        var $carousel = $(this)
        Plugin.call($carousel, $carousel.data())
      })
    })
  
  }(jQuery);
  
  /* ========================================================================
   * Bootstrap: collapse.js v3.3.7
   * http://getbootstrap.com/javascript/#collapse
   * ========================================================================
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * ======================================================================== */
  
  /* jshint latedef: false */
  
  +function ($) {
    'use strict';
  
    // COLLAPSE PUBLIC CLASS DEFINITION
    // ================================
  
    var Collapse = function (element, options) {
      this.$element      = $(element)
      this.options       = $.extend({}, Collapse.DEFAULTS, options)
      this.$trigger      = $('[data-toggle="collapse"][href="#' + element.id + '"],' +
                             '[data-toggle="collapse"][data-target="#' + element.id + '"]')
      this.transitioning = null
  
      if (this.options.parent) {
        this.$parent = this.getParent()
      } else {
        this.addAriaAndCollapsedClass(this.$element, this.$trigger)
      }
  
      if (this.options.toggle) this.toggle()
    }
  
    Collapse.VERSION  = '3.3.7'
  
    Collapse.TRANSITION_DURATION = 350
  
    Collapse.DEFAULTS = {
      toggle: true
    }
  
    Collapse.prototype.dimension = function () {
      var hasWidth = this.$element.hasClass('width')
      return hasWidth ? 'width' : 'height'
    }
  
    Collapse.prototype.show = function () {
      if (this.transitioning || this.$element.hasClass('in')) return
  
      var activesData
      var actives = this.$parent && this.$parent.children('.panel').children('.in, .collapsing')
  
      if (actives && actives.length) {
        activesData = actives.data('bs.collapse')
        if (activesData && activesData.transitioning) return
      }
  
      var startEvent = $.Event('show.bs.collapse')
      this.$element.trigger(startEvent)
      if (startEvent.isDefaultPrevented()) return
  
      if (actives && actives.length) {
        Plugin.call(actives, 'hide')
        activesData || actives.data('bs.collapse', null)
      }
  
      var dimension = this.dimension()
  
      this.$element
        .removeClass('collapse')
        .addClass('collapsing')[dimension](0)
        .attr('aria-expanded', true)
  
      this.$trigger
        .removeClass('collapsed')
        .attr('aria-expanded', true)
  
      this.transitioning = 1
  
      var complete = function () {
        this.$element
          .removeClass('collapsing')
          .addClass('collapse in')[dimension]('')
        this.transitioning = 0
        this.$element
          .trigger('shown.bs.collapse')
      }
  
      if (!$.support.transition) return complete.call(this)
  
      var scrollSize = $.camelCase(['scroll', dimension].join('-'))
  
      this.$element
        .one('bsTransitionEnd', $.proxy(complete, this))
        .emulateTransitionEnd(Collapse.TRANSITION_DURATION)[dimension](this.$element[0][scrollSize])
    }
  
    Collapse.prototype.hide = function () {
      if (this.transitioning || !this.$element.hasClass('in')) return
  
      var startEvent = $.Event('hide.bs.collapse')
      this.$element.trigger(startEvent)
      if (startEvent.isDefaultPrevented()) return
  
      var dimension = this.dimension()
  
      this.$element[dimension](this.$element[dimension]())[0].offsetHeight
  
      this.$element
        .addClass('collapsing')
        .removeClass('collapse in')
        .attr('aria-expanded', false)
  
      this.$trigger
        .addClass('collapsed')
        .attr('aria-expanded', false)
  
      this.transitioning = 1
  
      var complete = function () {
        this.transitioning = 0
        this.$element
          .removeClass('collapsing')
          .addClass('collapse')
          .trigger('hidden.bs.collapse')
      }
  
      if (!$.support.transition) return complete.call(this)
  
      this.$element
        [dimension](0)
        .one('bsTransitionEnd', $.proxy(complete, this))
        .emulateTransitionEnd(Collapse.TRANSITION_DURATION)
    }
  
    Collapse.prototype.toggle = function () {
      this[this.$element.hasClass('in') ? 'hide' : 'show']()
    }
  
    Collapse.prototype.getParent = function () {
      return $(this.options.parent)
        .find('[data-toggle="collapse"][data-parent="' + this.options.parent + '"]')
        .each($.proxy(function (i, element) {
          var $element = $(element)
          this.addAriaAndCollapsedClass(getTargetFromTrigger($element), $element)
        }, this))
        .end()
    }
  
    Collapse.prototype.addAriaAndCollapsedClass = function ($element, $trigger) {
      var isOpen = $element.hasClass('in')
  
      $element.attr('aria-expanded', isOpen)
      $trigger
        .toggleClass('collapsed', !isOpen)
        .attr('aria-expanded', isOpen)
    }
  
    function getTargetFromTrigger($trigger) {
      var href
      var target = $trigger.attr('data-target')
        || (href = $trigger.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '') // strip for ie7
  
      return $(target)
    }
  
  
    // COLLAPSE PLUGIN DEFINITION
    // ==========================
  
    function Plugin(option) {
      return this.each(function () {
        var $this   = $(this)
        var data    = $this.data('bs.collapse')
        var options = $.extend({}, Collapse.DEFAULTS, $this.data(), typeof option == 'object' && option)
  
        if (!data && options.toggle && /show|hide/.test(option)) options.toggle = false
        if (!data) $this.data('bs.collapse', (data = new Collapse(this, options)))
        if (typeof option == 'string') data[option]()
      })
    }
  
    var old = $.fn.collapse
  
    $.fn.collapse             = Plugin
    $.fn.collapse.Constructor = Collapse
  
  
    // COLLAPSE NO CONFLICT
    // ====================
  
    $.fn.collapse.noConflict = function () {
      $.fn.collapse = old
      return this
    }
  
  
    // COLLAPSE DATA-API
    // =================
  
    $(document).on('click.bs.collapse.data-api', '[data-toggle="collapse"]', function (e) {
      var $this   = $(this)
  
      if (!$this.attr('data-target')) e.preventDefault()
  
      var $target = getTargetFromTrigger($this)
      var data    = $target.data('bs.collapse')
      var option  = data ? 'toggle' : $this.data()
  
      Plugin.call($target, option)
    })
  
  }(jQuery);
  
  /* ========================================================================
   * Bootstrap: dropdown.js v3.3.7
   * http://getbootstrap.com/javascript/#dropdowns
   * ========================================================================
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * ======================================================================== */
  
  
  +function ($) {
    'use strict';
  
    // DROPDOWN CLASS DEFINITION
    // =========================
  
    var backdrop = '.dropdown-backdrop'
    var toggle   = '[data-toggle="dropdown"]'
    var Dropdown = function (element) {
      $(element).on('click.bs.dropdown', this.toggle)
    }
  
    Dropdown.VERSION = '3.3.7'
  
    function getParent($this) {
      var selector = $this.attr('data-target')
  
      if (!selector) {
        selector = $this.attr('href')
        selector = selector && /#[A-Za-z]/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7
      }
  
      var $parent = selector && $(selector)
  
      return $parent && $parent.length ? $parent : $this.parent()
    }
  
    function clearMenus(e) {
      if (e && e.which === 3) return
      $(backdrop).remove()
      $(toggle).each(function () {
        var $this         = $(this)
        var $parent       = getParent($this)
        var relatedTarget = { relatedTarget: this }
  
        if (!$parent.hasClass('open')) return
  
        if (e && e.type == 'click' && /input|textarea/i.test(e.target.tagName) && $.contains($parent[0], e.target)) return
  
        $parent.trigger(e = $.Event('hide.bs.dropdown', relatedTarget))
  
        if (e.isDefaultPrevented()) return
  
        $this.attr('aria-expanded', 'false')
        $parent.removeClass('open').trigger($.Event('hidden.bs.dropdown', relatedTarget))
      })
    }
  
    Dropdown.prototype.toggle = function (e) {
      var $this = $(this)
  
      if ($this.is('.disabled, :disabled')) return
  
      var $parent  = getParent($this)
      var isActive = $parent.hasClass('open')
  
      clearMenus()
  
      if (!isActive) {
        if ('ontouchstart' in document.documentElement && !$parent.closest('.navbar-nav').length) {
          // if mobile we use a backdrop because click events don't delegate
          $(document.createElement('div'))
            .addClass('dropdown-backdrop')
            .insertAfter($(this))
            .on('click', clearMenus)
        }
  
        var relatedTarget = { relatedTarget: this }
        $parent.trigger(e = $.Event('show.bs.dropdown', relatedTarget))
  
        if (e.isDefaultPrevented()) return
  
        $this
          .trigger('focus')
          .attr('aria-expanded', 'true')
  
        $parent
          .toggleClass('open')
          .trigger($.Event('shown.bs.dropdown', relatedTarget))
      }
  
      return false
    }
  
    Dropdown.prototype.keydown = function (e) {
      if (!/(38|40|27|32)/.test(e.which) || /input|textarea/i.test(e.target.tagName)) return
  
      var $this = $(this)
  
      e.preventDefault()
      e.stopPropagation()
  
      if ($this.is('.disabled, :disabled')) return
  
      var $parent  = getParent($this)
      var isActive = $parent.hasClass('open')
  
      if (!isActive && e.which != 27 || isActive && e.which == 27) {
        if (e.which == 27) $parent.find(toggle).trigger('focus')
        return $this.trigger('click')
      }
  
      var desc = ' li:not(.disabled):visible a'
      var $items = $parent.find('.dropdown-menu' + desc)
  
      if (!$items.length) return
  
      var index = $items.index(e.target)
  
      if (e.which == 38 && index > 0)                 index--         // up
      if (e.which == 40 && index < $items.length - 1) index++         // down
      if (!~index)                                    index = 0
  
      $items.eq(index).trigger('focus')
    }
  
  
    // DROPDOWN PLUGIN DEFINITION
    // ==========================
  
    function Plugin(option) {
      return this.each(function () {
        var $this = $(this)
        var data  = $this.data('bs.dropdown')
  
        if (!data) $this.data('bs.dropdown', (data = new Dropdown(this)))
        if (typeof option == 'string') data[option].call($this)
      })
    }
  
    var old = $.fn.dropdown
  
    $.fn.dropdown             = Plugin
    $.fn.dropdown.Constructor = Dropdown
  
  
    // DROPDOWN NO CONFLICT
    // ====================
  
    $.fn.dropdown.noConflict = function () {
      $.fn.dropdown = old
      return this
    }
  
  
    // APPLY TO STANDARD DROPDOWN ELEMENTS
    // ===================================
  
    $(document)
      .on('click.bs.dropdown.data-api', clearMenus)
      .on('click.bs.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() })
      .on('click.bs.dropdown.data-api', toggle, Dropdown.prototype.toggle)
      .on('keydown.bs.dropdown.data-api', toggle, Dropdown.prototype.keydown)
      .on('keydown.bs.dropdown.data-api', '.dropdown-menu', Dropdown.prototype.keydown)
  
  }(jQuery);
  
  /* ========================================================================
   * Bootstrap: modal.js v3.3.7
   * http://getbootstrap.com/javascript/#modals
   * ========================================================================
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * ======================================================================== */
  
  
  +function ($) {
    'use strict';
  
    // MODAL CLASS DEFINITION
    // ======================
  
    var Modal = function (element, options) {
      this.options             = options
      this.$body               = $(document.body)
      this.$element            = $(element)
      this.$dialog             = this.$element.find('.modal-dialog')
      this.$backdrop           = null
      this.isShown             = null
      this.originalBodyPad     = null
      this.scrollbarWidth      = 0
      this.ignoreBackdropClick = false
  
      if (this.options.remote) {
        this.$element
          .find('.modal-content')
          .load(this.options.remote, $.proxy(function () {
            this.$element.trigger('loaded.bs.modal')
          }, this))
      }
    }
  
    Modal.VERSION  = '3.3.7'
  
    Modal.TRANSITION_DURATION = 300
    Modal.BACKDROP_TRANSITION_DURATION = 150
  
    Modal.DEFAULTS = {
      backdrop: true,
      keyboard: true,
      show: true
    }
  
    Modal.prototype.toggle = function (_relatedTarget) {
      return this.isShown ? this.hide() : this.show(_relatedTarget)
    }
  
    Modal.prototype.show = function (_relatedTarget) {
      var that = this
      var e    = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })
  
      this.$element.trigger(e)
  
      if (this.isShown || e.isDefaultPrevented()) return
  
      this.isShown = true
  
      this.checkScrollbar()
      this.setScrollbar()
      this.$body.addClass('modal-open')
  
      this.escape()
      this.resize()
  
      this.$element.on('click.dismiss.bs.modal', '[data-dismiss="modal"]', $.proxy(this.hide, this))
  
      this.$dialog.on('mousedown.dismiss.bs.modal', function () {
        that.$element.one('mouseup.dismiss.bs.modal', function (e) {
          if ($(e.target).is(that.$element)) that.ignoreBackdropClick = true
        })
      })
  
      this.backdrop(function () {
        var transition = $.support.transition && that.$element.hasClass('fade')
  
        if (!that.$element.parent().length) {
          that.$element.appendTo(that.$body) // don't move modals dom position
        }
  
        that.$element
          .show()
          .scrollTop(0)
  
        that.adjustDialog()
  
        if (transition) {
          that.$element[0].offsetWidth // force reflow
        }
  
        that.$element.addClass('in')
  
        that.enforceFocus()
  
        var e = $.Event('shown.bs.modal', { relatedTarget: _relatedTarget })
  
        transition ?
          that.$dialog // wait for modal to slide in
            .one('bsTransitionEnd', function () {
              that.$element.trigger('focus').trigger(e)
            })
            .emulateTransitionEnd(Modal.TRANSITION_DURATION) :
          that.$element.trigger('focus').trigger(e)
      })
    }
  
    Modal.prototype.hide = function (e) {
      if (e) e.preventDefault()
  
      e = $.Event('hide.bs.modal')
  
      this.$element.trigger(e)
  
      if (!this.isShown || e.isDefaultPrevented()) return
  
      this.isShown = false
  
      this.escape()
      this.resize()
  
      $(document).off('focusin.bs.modal')
  
      this.$element
        .removeClass('in')
        .off('click.dismiss.bs.modal')
        .off('mouseup.dismiss.bs.modal')
  
      this.$dialog.off('mousedown.dismiss.bs.modal')
  
      $.support.transition && this.$element.hasClass('fade') ?
        this.$element
          .one('bsTransitionEnd', $.proxy(this.hideModal, this))
          .emulateTransitionEnd(Modal.TRANSITION_DURATION) :
        this.hideModal()
    }
  
    Modal.prototype.enforceFocus = function () {
      $(document)
        .off('focusin.bs.modal') // guard against infinite focus loop
        .on('focusin.bs.modal', $.proxy(function (e) {
          if (document !== e.target &&
              this.$element[0] !== e.target &&
              !this.$element.has(e.target).length) {
            this.$element.trigger('focus')
          }
        }, this))
    }
  
    Modal.prototype.escape = function () {
      if (this.isShown && this.options.keyboard) {
        this.$element.on('keydown.dismiss.bs.modal', $.proxy(function (e) {
          e.which == 27 && this.hide()
        }, this))
      } else if (!this.isShown) {
        this.$element.off('keydown.dismiss.bs.modal')
      }
    }
  
    Modal.prototype.resize = function () {
      if (this.isShown) {
        $(window).on('resize.bs.modal', $.proxy(this.handleUpdate, this))
      } else {
        $(window).off('resize.bs.modal')
      }
    }
  
    Modal.prototype.hideModal = function () {
      var that = this
      this.$element.hide()
      this.backdrop(function () {
        that.$body.removeClass('modal-open')
        that.resetAdjustments()
        that.resetScrollbar()
        that.$element.trigger('hidden.bs.modal')
      })
    }
  
    Modal.prototype.removeBackdrop = function () {
      this.$backdrop && this.$backdrop.remove()
      this.$backdrop = null
    }
  
    Modal.prototype.backdrop = function (callback) {
      var that = this
      var animate = this.$element.hasClass('fade') ? 'fade' : ''
  
      if (this.isShown && this.options.backdrop) {
        var doAnimate = $.support.transition && animate
  
        this.$backdrop = $(document.createElement('div'))
          .addClass('modal-backdrop ' + animate)
          .appendTo(this.$body)
  
        this.$element.on('click.dismiss.bs.modal', $.proxy(function (e) {
          if (this.ignoreBackdropClick) {
            this.ignoreBackdropClick = false
            return
          }
          if (e.target !== e.currentTarget) return
          this.options.backdrop == 'static'
            ? this.$element[0].focus()
            : this.hide()
        }, this))
  
        if (doAnimate) this.$backdrop[0].offsetWidth // force reflow
  
        this.$backdrop.addClass('in')
  
        if (!callback) return
  
        doAnimate ?
          this.$backdrop
            .one('bsTransitionEnd', callback)
            .emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) :
          callback()
  
      } else if (!this.isShown && this.$backdrop) {
        this.$backdrop.removeClass('in')
  
        var callbackRemove = function () {
          that.removeBackdrop()
          callback && callback()
        }
        $.support.transition && this.$element.hasClass('fade') ?
          this.$backdrop
            .one('bsTransitionEnd', callbackRemove)
            .emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) :
          callbackRemove()
  
      } else if (callback) {
        callback()
      }
    }
  
    // these following methods are used to handle overflowing modals
  
    Modal.prototype.handleUpdate = function () {
      this.adjustDialog()
    }
  
    Modal.prototype.adjustDialog = function () {
      var modalIsOverflowing = this.$element[0].scrollHeight > document.documentElement.clientHeight
  
      this.$element.css({
        paddingLeft:  !this.bodyIsOverflowing && modalIsOverflowing ? this.scrollbarWidth : '',
        paddingRight: this.bodyIsOverflowing && !modalIsOverflowing ? this.scrollbarWidth : ''
      })
    }
  
    Modal.prototype.resetAdjustments = function () {
      this.$element.css({
        paddingLeft: '',
        paddingRight: ''
      })
    }
  
    Modal.prototype.checkScrollbar = function () {
      var fullWindowWidth = window.innerWidth
      if (!fullWindowWidth) { // workaround for missing window.innerWidth in IE8
        var documentElementRect = document.documentElement.getBoundingClientRect()
        fullWindowWidth = documentElementRect.right - Math.abs(documentElementRect.left)
      }
      this.bodyIsOverflowing = document.body.clientWidth < fullWindowWidth
      this.scrollbarWidth = this.measureScrollbar()
    }
  
    Modal.prototype.setScrollbar = function () {
      var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10)
      this.originalBodyPad = document.body.style.paddingRight || ''
      if (this.bodyIsOverflowing) this.$body.css('padding-right', bodyPad + this.scrollbarWidth)
    }
  
    Modal.prototype.resetScrollbar = function () {
      this.$body.css('padding-right', this.originalBodyPad)
    }
  
    Modal.prototype.measureScrollbar = function () { // thx walsh
      var scrollDiv = document.createElement('div')
      scrollDiv.className = 'modal-scrollbar-measure'
      this.$body.append(scrollDiv)
      var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth
      this.$body[0].removeChild(scrollDiv)
      return scrollbarWidth
    }
  
  
    // MODAL PLUGIN DEFINITION
    // =======================
  
    function Plugin(option, _relatedTarget) {
      return this.each(function () {
        var $this   = $(this)
        var data    = $this.data('bs.modal')
        var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option == 'object' && option)
  
        if (!data) $this.data('bs.modal', (data = new Modal(this, options)))
        if (typeof option == 'string') data[option](_relatedTarget)
        else if (options.show) data.show(_relatedTarget)
      })
    }
  
    var old = $.fn.modal
  
    $.fn.modal             = Plugin
    $.fn.modal.Constructor = Modal
  
  
    // MODAL NO CONFLICT
    // =================
  
    $.fn.modal.noConflict = function () {
      $.fn.modal = old
      return this
    }
  
  
    // MODAL DATA-API
    // ==============
  
    $(document).on('click.bs.modal.data-api', '[data-toggle="modal"]', function (e) {
      var $this   = $(this)
      var href    = $this.attr('href')
      var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) // strip for ie7
      var option  = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())
  
      if ($this.is('a')) e.preventDefault()
  
      $target.one('show.bs.modal', function (showEvent) {
        if (showEvent.isDefaultPrevented()) return // only register focus restorer if modal will actually get shown
        $target.one('hidden.bs.modal', function () {
          $this.is(':visible') && $this.trigger('focus')
        })
      })
      Plugin.call($target, option, this)
    })
  
  }(jQuery);
  
  /* ========================================================================
   * Bootstrap: tooltip.js v3.3.7
   * http://getbootstrap.com/javascript/#tooltip
   * Inspired by the original jQuery.tipsy by Jason Frame
   * ========================================================================
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * ======================================================================== */
  
  
  +function ($) {
    'use strict';
  
    // TOOLTIP PUBLIC CLASS DEFINITION
    // ===============================
  
    var Tooltip = function (element, options) {
      this.type       = null
      this.options    = null
      this.enabled    = null
      this.timeout    = null
      this.hoverState = null
      this.$element   = null
      this.inState    = null
  
      this.init('tooltip', element, options)
    }
  
    Tooltip.VERSION  = '3.3.7'
  
    Tooltip.TRANSITION_DURATION = 150
  
    Tooltip.DEFAULTS = {
      animation: true,
      placement: 'top',
      selector: false,
      template: '<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',
      trigger: 'hover focus',
      title: '',
      delay: 0,
      html: false,
      container: false,
      viewport: {
        selector: 'body',
        padding: 0
      }
    }
  
    Tooltip.prototype.init = function (type, element, options) {
      this.enabled   = true
      this.type      = type
      this.$element  = $(element)
      this.options   = this.getOptions(options)
      this.$viewport = this.options.viewport && $($.isFunction(this.options.viewport) ? this.options.viewport.call(this, this.$element) : (this.options.viewport.selector || this.options.viewport))
      this.inState   = { click: false, hover: false, focus: false }
  
      if (this.$element[0] instanceof document.constructor && !this.options.selector) {
        throw new Error('`selector` option must be specified when initializing ' + this.type + ' on the window.document object!')
      }
  
      var triggers = this.options.trigger.split(' ')
  
      for (var i = triggers.length; i--;) {
        var trigger = triggers[i]
  
        if (trigger == 'click') {
          this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
        } else if (trigger != 'manual') {
          var eventIn  = trigger == 'hover' ? 'mouseenter' : 'focusin'
          var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout'
  
          this.$element.on(eventIn  + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
          this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
        }
      }
  
      this.options.selector ?
        (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
        this.fixTitle()
    }
  
    Tooltip.prototype.getDefaults = function () {
      return Tooltip.DEFAULTS
    }
  
    Tooltip.prototype.getOptions = function (options) {
      options = $.extend({}, this.getDefaults(), this.$element.data(), options)
  
      if (options.delay && typeof options.delay == 'number') {
        options.delay = {
          show: options.delay,
          hide: options.delay
        }
      }
  
      return options
    }
  
    Tooltip.prototype.getDelegateOptions = function () {
      var options  = {}
      var defaults = this.getDefaults()
  
      this._options && $.each(this._options, function (key, value) {
        if (defaults[key] != value) options[key] = value
      })
  
      return options
    }
  
    Tooltip.prototype.enter = function (obj) {
      var self = obj instanceof this.constructor ?
        obj : $(obj.currentTarget).data('bs.' + this.type)
  
      if (!self) {
        self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
        $(obj.currentTarget).data('bs.' + this.type, self)
      }
  
      if (obj instanceof $.Event) {
        self.inState[obj.type == 'focusin' ? 'focus' : 'hover'] = true
      }
  
      if (self.tip().hasClass('in') || self.hoverState == 'in') {
        self.hoverState = 'in'
        return
      }
  
      clearTimeout(self.timeout)
  
      self.hoverState = 'in'
  
      if (!self.options.delay || !self.options.delay.show) return self.show()
  
      self.timeout = setTimeout(function () {
        if (self.hoverState == 'in') self.show()
      }, self.options.delay.show)
    }
  
    Tooltip.prototype.isInStateTrue = function () {
      for (var key in this.inState) {
        if (this.inState[key]) return true
      }
  
      return false
    }
  
    Tooltip.prototype.leave = function (obj) {
      var self = obj instanceof this.constructor ?
        obj : $(obj.currentTarget).data('bs.' + this.type)
  
      if (!self) {
        self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
        $(obj.currentTarget).data('bs.' + this.type, self)
      }
  
      if (obj instanceof $.Event) {
        self.inState[obj.type == 'focusout' ? 'focus' : 'hover'] = false
      }
  
      if (self.isInStateTrue()) return
  
      clearTimeout(self.timeout)
  
      self.hoverState = 'out'
  
      if (!self.options.delay || !self.options.delay.hide) return self.hide()
  
      self.timeout = setTimeout(function () {
        if (self.hoverState == 'out') self.hide()
      }, self.options.delay.hide)
    }
  
    Tooltip.prototype.show = function () {
      var e = $.Event('show.bs.' + this.type)
  
      if (this.hasContent() && this.enabled) {
        this.$element.trigger(e)
  
        var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0])
        if (e.isDefaultPrevented() || !inDom) return
        var that = this
  
        var $tip = this.tip()
  
        var tipId = this.getUID(this.type)
  
        this.setContent()
        $tip.attr('id', tipId)
        this.$element.attr('aria-describedby', tipId)
  
        if (this.options.animation) $tip.addClass('fade')
  
        var placement = typeof this.options.placement == 'function' ?
          this.options.placement.call(this, $tip[0], this.$element[0]) :
          this.options.placement
  
        var autoToken = /\s?auto?\s?/i
        var autoPlace = autoToken.test(placement)
        if (autoPlace) placement = placement.replace(autoToken, '') || 'top'
  
        $tip
          .detach()
          .css({ top: 0, left: 0, display: 'block' })
          .addClass(placement)
          .data('bs.' + this.type, this)
  
        this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
        this.$element.trigger('inserted.bs.' + this.type)
  
        var pos          = this.getPosition()
        var actualWidth  = $tip[0].offsetWidth
        var actualHeight = $tip[0].offsetHeight
  
        if (autoPlace) {
          var orgPlacement = placement
          var viewportDim = this.getPosition(this.$viewport)
  
          placement = placement == 'bottom' && pos.bottom + actualHeight > viewportDim.bottom ? 'top'    :
                      placement == 'top'    && pos.top    - actualHeight < viewportDim.top    ? 'bottom' :
                      placement == 'right'  && pos.right  + actualWidth  > viewportDim.width  ? 'left'   :
                      placement == 'left'   && pos.left   - actualWidth  < viewportDim.left   ? 'right'  :
                      placement
  
          $tip
            .removeClass(orgPlacement)
            .addClass(placement)
        }
  
        var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight)
  
        this.applyPlacement(calculatedOffset, placement)
  
        var complete = function () {
          var prevHoverState = that.hoverState
          that.$element.trigger('shown.bs.' + that.type)
          that.hoverState = null
  
          if (prevHoverState == 'out') that.leave(that)
        }
  
        $.support.transition && this.$tip.hasClass('fade') ?
          $tip
            .one('bsTransitionEnd', complete)
            .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
          complete()
      }
    }
  
    Tooltip.prototype.applyPlacement = function (offset, placement) {
      var $tip   = this.tip()
      var width  = $tip[0].offsetWidth
      var height = $tip[0].offsetHeight
  
      // manually read margins because getBoundingClientRect includes difference
      var marginTop = parseInt($tip.css('margin-top'), 10)
      var marginLeft = parseInt($tip.css('margin-left'), 10)
  
      // we must check for NaN for ie 8/9
      if (isNaN(marginTop))  marginTop  = 0
      if (isNaN(marginLeft)) marginLeft = 0
  
      offset.top  += marginTop
      offset.left += marginLeft
  
      // $.fn.offset doesn't round pixel values
      // so we use setOffset directly with our own function B-0
      $.offset.setOffset($tip[0], $.extend({
        using: function (props) {
          $tip.css({
            top: Math.round(props.top),
            left: Math.round(props.left)
          })
        }
      }, offset), 0)
  
      $tip.addClass('in')
  
      // check to see if placing tip in new offset caused the tip to resize itself
      var actualWidth  = $tip[0].offsetWidth
      var actualHeight = $tip[0].offsetHeight
  
      if (placement == 'top' && actualHeight != height) {
        offset.top = offset.top + height - actualHeight
      }
  
      var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight)
  
      if (delta.left) offset.left += delta.left
      else offset.top += delta.top
  
      var isVertical          = /top|bottom/.test(placement)
      var arrowDelta          = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight
      var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight'
  
      $tip.offset(offset)
      this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical)
    }
  
    Tooltip.prototype.replaceArrow = function (delta, dimension, isVertical) {
      this.arrow()
        .css(isVertical ? 'left' : 'top', 50 * (1 - delta / dimension) + '%')
        .css(isVertical ? 'top' : 'left', '')
    }
  
    Tooltip.prototype.setContent = function () {
      var $tip  = this.tip()
      var title = this.getTitle()
  
      $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
      $tip.removeClass('fade in top bottom left right')
    }
  
    Tooltip.prototype.hide = function (callback) {
      var that = this
      var $tip = $(this.$tip)
      var e    = $.Event('hide.bs.' + this.type)
  
      function complete() {
        if (that.hoverState != 'in') $tip.detach()
        if (that.$element) { // TODO: Check whether guarding this code with this `if` is really necessary.
          that.$element
            .removeAttr('aria-describedby')
            .trigger('hidden.bs.' + that.type)
        }
        callback && callback()
      }
  
      this.$element.trigger(e)
  
      if (e.isDefaultPrevented()) return
  
      $tip.removeClass('in')
  
      $.support.transition && $tip.hasClass('fade') ?
        $tip
          .one('bsTransitionEnd', complete)
          .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
        complete()
  
      this.hoverState = null
  
      return this
    }
  
    Tooltip.prototype.fixTitle = function () {
      var $e = this.$element
      if ($e.attr('title') || typeof $e.attr('data-original-title') != 'string') {
        $e.attr('data-original-title', $e.attr('title') || '').attr('title', '')
      }
    }
  
    Tooltip.prototype.hasContent = function () {
      return this.getTitle()
    }
  
    Tooltip.prototype.getPosition = function ($element) {
      $element   = $element || this.$element
  
      var el     = $element[0]
      var isBody = el.tagName == 'BODY'
  
      var elRect    = el.getBoundingClientRect()
      if (elRect.width == null) {
        // width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093
        elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top })
      }
      var isSvg = window.SVGElement && el instanceof window.SVGElement
      // Avoid using $.offset() on SVGs since it gives incorrect results in jQuery 3.
      // See https://github.com/twbs/bootstrap/issues/20280
      var elOffset  = isBody ? { top: 0, left: 0 } : (isSvg ? null : $element.offset())
      var scroll    = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() }
      var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null
  
      return $.extend({}, elRect, scroll, outerDims, elOffset)
    }
  
    Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) {
      return placement == 'bottom' ? { top: pos.top + pos.height,   left: pos.left + pos.width / 2 - actualWidth / 2 } :
             placement == 'top'    ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } :
             placement == 'left'   ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } :
          /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width }
  
    }
  
    Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) {
      var delta = { top: 0, left: 0 }
      if (!this.$viewport) return delta
  
      var viewportPadding = this.options.viewport && this.options.viewport.padding || 0
      var viewportDimensions = this.getPosition(this.$viewport)
  
      if (/right|left/.test(placement)) {
        var topEdgeOffset    = pos.top - viewportPadding - viewportDimensions.scroll
        var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight
        if (topEdgeOffset < viewportDimensions.top) { // top overflow
          delta.top = viewportDimensions.top - topEdgeOffset
        } else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow
          delta.top = viewportDimensions.top + viewportDimensions.height - bottomEdgeOffset
        }
      } else {
        var leftEdgeOffset  = pos.left - viewportPadding
        var rightEdgeOffset = pos.left + viewportPadding + actualWidth
        if (leftEdgeOffset < viewportDimensions.left) { // left overflow
          delta.left = viewportDimensions.left - leftEdgeOffset
        } else if (rightEdgeOffset > viewportDimensions.right) { // right overflow
          delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset
        }
      }
  
      return delta
    }
  
    Tooltip.prototype.getTitle = function () {
      var title
      var $e = this.$element
      var o  = this.options
  
      title = $e.attr('data-original-title')
        || (typeof o.title == 'function' ? o.title.call($e[0]) :  o.title)
  
      return title
    }
  
    Tooltip.prototype.getUID = function (prefix) {
      do prefix += ~~(Math.random() * 1000000)
      while (document.getElementById(prefix))
      return prefix
    }
  
    Tooltip.prototype.tip = function () {
      if (!this.$tip) {
        this.$tip = $(this.options.template)
        if (this.$tip.length != 1) {
          throw new Error(this.type + ' `template` option must consist of exactly 1 top-level element!')
        }
      }
      return this.$tip
    }
  
    Tooltip.prototype.arrow = function () {
      return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow'))
    }
  
    Tooltip.prototype.enable = function () {
      this.enabled = true
    }
  
    Tooltip.prototype.disable = function () {
      this.enabled = false
    }
  
    Tooltip.prototype.toggleEnabled = function () {
      this.enabled = !this.enabled
    }
  
    Tooltip.prototype.toggle = function (e) {
      var self = this
      if (e) {
        self = $(e.currentTarget).data('bs.' + this.type)
        if (!self) {
          self = new this.constructor(e.currentTarget, this.getDelegateOptions())
          $(e.currentTarget).data('bs.' + this.type, self)
        }
      }
  
      if (e) {
        self.inState.click = !self.inState.click
        if (self.isInStateTrue()) self.enter(self)
        else self.leave(self)
      } else {
        self.tip().hasClass('in') ? self.leave(self) : self.enter(self)
      }
    }
  
    Tooltip.prototype.destroy = function () {
      var that = this
      clearTimeout(this.timeout)
      this.hide(function () {
        that.$element.off('.' + that.type).removeData('bs.' + that.type)
        if (that.$tip) {
          that.$tip.detach()
        }
        that.$tip = null
        that.$arrow = null
        that.$viewport = null
        that.$element = null
      })
    }
  
  
    // TOOLTIP PLUGIN DEFINITION
    // =========================
  
    function Plugin(option) {
      return this.each(function () {
        var $this   = $(this)
        var data    = $this.data('bs.tooltip')
        var options = typeof option == 'object' && option
  
        if (!data && /destroy|hide/.test(option)) return
        if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options)))
        if (typeof option == 'string') data[option]()
      })
    }
  
    var old = $.fn.tooltip
  
    $.fn.tooltip             = Plugin
    $.fn.tooltip.Constructor = Tooltip
  
  
    // TOOLTIP NO CONFLICT
    // ===================
  
    $.fn.tooltip.noConflict = function () {
      $.fn.tooltip = old
      return this
    }
  
  }(jQuery);
  
  /* ========================================================================
   * Bootstrap: popover.js v3.3.7
   * http://getbootstrap.com/javascript/#popovers
   * ========================================================================
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * ======================================================================== */
  
  
  +function ($) {
    'use strict';
  
    // POPOVER PUBLIC CLASS DEFINITION
    // ===============================
  
    var Popover = function (element, options) {
      this.init('popover', element, options)
    }
  
    if (!$.fn.tooltip) throw new Error('Popover requires tooltip.js')
  
    Popover.VERSION  = '3.3.7'
  
    Popover.DEFAULTS = $.extend({}, $.fn.tooltip.Constructor.DEFAULTS, {
      placement: 'right',
      trigger: 'click',
      content: '',
      template: '<div class="popover" role="tooltip"><div class="arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>'
    })
  
  
    // NOTE: POPOVER EXTENDS tooltip.js
    // ================================
  
    Popover.prototype = $.extend({}, $.fn.tooltip.Constructor.prototype)
  
    Popover.prototype.constructor = Popover
  
    Popover.prototype.getDefaults = function () {
      return Popover.DEFAULTS
    }
  
    Popover.prototype.setContent = function () {
      var $tip    = this.tip()
      var title   = this.getTitle()
      var content = this.getContent()
  
      $tip.find('.popover-title')[this.options.html ? 'html' : 'text'](title)
      $tip.find('.popover-content').children().detach().end()[ // we use append for html objects to maintain js events
        this.options.html ? (typeof content == 'string' ? 'html' : 'append') : 'text'
      ](content)
  
      $tip.removeClass('fade top bottom left right in')
  
      // IE8 doesn't accept hiding via the `:empty` pseudo selector, we have to do
      // this manually by checking the contents.
      if (!$tip.find('.popover-title').html()) $tip.find('.popover-title').hide()
    }
  
    Popover.prototype.hasContent = function () {
      return this.getTitle() || this.getContent()
    }
  
    Popover.prototype.getContent = function () {
      var $e = this.$element
      var o  = this.options
  
      return $e.attr('data-content')
        || (typeof o.content == 'function' ?
              o.content.call($e[0]) :
              o.content)
    }
  
    Popover.prototype.arrow = function () {
      return (this.$arrow = this.$arrow || this.tip().find('.arrow'))
    }
  
  
    // POPOVER PLUGIN DEFINITION
    // =========================
  
    function Plugin(option) {
      return this.each(function () {
        var $this   = $(this)
        var data    = $this.data('bs.popover')
        var options = typeof option == 'object' && option
  
        if (!data && /destroy|hide/.test(option)) return
        if (!data) $this.data('bs.popover', (data = new Popover(this, options)))
        if (typeof option == 'string') data[option]()
      })
    }
  
    var old = $.fn.popover
  
    $.fn.popover             = Plugin
    $.fn.popover.Constructor = Popover
  
  
    // POPOVER NO CONFLICT
    // ===================
  
    $.fn.popover.noConflict = function () {
      $.fn.popover = old
      return this
    }
  
  }(jQuery);
  
  /* ========================================================================
   * Bootstrap: scrollspy.js v3.3.7
   * http://getbootstrap.com/javascript/#scrollspy
   * ========================================================================
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * ======================================================================== */
  
  
  +function ($) {
    'use strict';
  
    // SCROLLSPY CLASS DEFINITION
    // ==========================
  
    function ScrollSpy(element, options) {
      this.$body          = $(document.body)
      this.$scrollElement = $(element).is(document.body) ? $(window) : $(element)
      this.options        = $.extend({}, ScrollSpy.DEFAULTS, options)
      this.selector       = (this.options.target || '') + ' .nav li > a'
      this.offsets        = []
      this.targets        = []
      this.activeTarget   = null
      this.scrollHeight   = 0
  
      this.$scrollElement.on('scroll.bs.scrollspy', $.proxy(this.process, this))
      this.refresh()
      this.process()
    }
  
    ScrollSpy.VERSION  = '3.3.7'
  
    ScrollSpy.DEFAULTS = {
      offset: 10
    }
  
    ScrollSpy.prototype.getScrollHeight = function () {
      return this.$scrollElement[0].scrollHeight || Math.max(this.$body[0].scrollHeight, document.documentElement.scrollHeight)
    }
  
    ScrollSpy.prototype.refresh = function () {
      var that          = this
      var offsetMethod  = 'offset'
      var offsetBase    = 0
  
      this.offsets      = []
      this.targets      = []
      this.scrollHeight = this.getScrollHeight()
  
      if (!$.isWindow(this.$scrollElement[0])) {
        offsetMethod = 'position'
        offsetBase   = this.$scrollElement.scrollTop()
      }
  
      this.$body
        .find(this.selector)
        .map(function () {
          var $el   = $(this)
          var href  = $el.data('target') || $el.attr('href')
          var $href = /^#./.test(href) && $(href)
  
          return ($href
            && $href.length
            && $href.is(':visible')
            && [[$href[offsetMethod]().top + offsetBase, href]]) || null
        })
        .sort(function (a, b) { return a[0] - b[0] })
        .each(function () {
          that.offsets.push(this[0])
          that.targets.push(this[1])
        })
    }
  
    ScrollSpy.prototype.process = function () {
      var scrollTop    = this.$scrollElement.scrollTop() + this.options.offset
      var scrollHeight = this.getScrollHeight()
      var maxScroll    = this.options.offset + scrollHeight - this.$scrollElement.height()
      var offsets      = this.offsets
      var targets      = this.targets
      var activeTarget = this.activeTarget
      var i
  
      if (this.scrollHeight != scrollHeight) {
        this.refresh()
      }
  
      if (scrollTop >= maxScroll) {
        return activeTarget != (i = targets[targets.length - 1]) && this.activate(i)
      }
  
      if (activeTarget && scrollTop < offsets[0]) {
        this.activeTarget = null
        return this.clear()
      }
  
      for (i = offsets.length; i--;) {
        activeTarget != targets[i]
          && scrollTop >= offsets[i]
          && (offsets[i + 1] === undefined || scrollTop < offsets[i + 1])
          && this.activate(targets[i])
      }
    }
  
    ScrollSpy.prototype.activate = function (target) {
      this.activeTarget = target
  
      this.clear()
  
      var selector = this.selector +
        '[data-target="' + target + '"],' +
        this.selector + '[href="' + target + '"]'
  
      var active = $(selector)
        .parents('li')
        .addClass('active')
  
      if (active.parent('.dropdown-menu').length) {
        active = active
          .closest('li.dropdown')
          .addClass('active')
      }
  
      active.trigger('activate.bs.scrollspy')
    }
  
    ScrollSpy.prototype.clear = function () {
      $(this.selector)
        .parentsUntil(this.options.target, '.active')
        .removeClass('active')
    }
  
  
    // SCROLLSPY PLUGIN DEFINITION
    // ===========================
  
    function Plugin(option) {
      return this.each(function () {
        var $this   = $(this)
        var data    = $this.data('bs.scrollspy')
        var options = typeof option == 'object' && option
  
        if (!data) $this.data('bs.scrollspy', (data = new ScrollSpy(this, options)))
        if (typeof option == 'string') data[option]()
      })
    }
  
    var old = $.fn.scrollspy
  
    $.fn.scrollspy             = Plugin
    $.fn.scrollspy.Constructor = ScrollSpy
  
  
    // SCROLLSPY NO CONFLICT
    // =====================
  
    $.fn.scrollspy.noConflict = function () {
      $.fn.scrollspy = old
      return this
    }
  
  
    // SCROLLSPY DATA-API
    // ==================
  
    $(window).on('load.bs.scrollspy.data-api', function () {
      $('[data-spy="scroll"]').each(function () {
        var $spy = $(this)
        Plugin.call($spy, $spy.data())
      })
    })
  
  }(jQuery);
  
  /* ========================================================================
   * Bootstrap: tab.js v3.3.7
   * http://getbootstrap.com/javascript/#tabs
   * ========================================================================
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * ======================================================================== */
  
  
  +function ($) {
    'use strict';
  
    // TAB CLASS DEFINITION
    // ====================
  
    var Tab = function (element) {
      // jscs:disable requireDollarBeforejQueryAssignment
      this.element = $(element)
      // jscs:enable requireDollarBeforejQueryAssignment
    }
  
    Tab.VERSION = '3.3.7'
  
    Tab.TRANSITION_DURATION = 150
  
    Tab.prototype.show = function () {
      var $this    = this.element
      var $ul      = $this.closest('ul:not(.dropdown-menu)')
      var selector = $this.data('target')
  
      if (!selector) {
        selector = $this.attr('href')
        selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7
      }
  
      if ($this.parent('li').hasClass('active')) return
  
      var $previous = $ul.find('.active:last a')
      var hideEvent = $.Event('hide.bs.tab', {
        relatedTarget: $this[0]
      })
      var showEvent = $.Event('show.bs.tab', {
        relatedTarget: $previous[0]
      })
  
      $previous.trigger(hideEvent)
      $this.trigger(showEvent)
  
      if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) return
  
      var $target = $(selector)
  
      this.activate($this.closest('li'), $ul)
      this.activate($target, $target.parent(), function () {
        $previous.trigger({
          type: 'hidden.bs.tab',
          relatedTarget: $this[0]
        })
        $this.trigger({
          type: 'shown.bs.tab',
          relatedTarget: $previous[0]
        })
      })
    }
  
    Tab.prototype.activate = function (element, container, callback) {
      var $active    = container.find('> .active')
      var transition = callback
        && $.support.transition
        && ($active.length && $active.hasClass('fade') || !!container.find('> .fade').length)
  
      function next() {
        $active
          .removeClass('active')
          .find('> .dropdown-menu > .active')
            .removeClass('active')
          .end()
          .find('[data-toggle="tab"]')
            .attr('aria-expanded', false)
  
        element
          .addClass('active')
          .find('[data-toggle="tab"]')
            .attr('aria-expanded', true)
  
        if (transition) {
          element[0].offsetWidth // reflow for transition
          element.addClass('in')
        } else {
          element.removeClass('fade')
        }
  
        if (element.parent('.dropdown-menu').length) {
          element
            .closest('li.dropdown')
              .addClass('active')
            .end()
            .find('[data-toggle="tab"]')
              .attr('aria-expanded', true)
        }
  
        callback && callback()
      }
  
      $active.length && transition ?
        $active
          .one('bsTransitionEnd', next)
          .emulateTransitionEnd(Tab.TRANSITION_DURATION) :
        next()
  
      $active.removeClass('in')
    }
  
  
    // TAB PLUGIN DEFINITION
    // =====================
  
    function Plugin(option) {
      return this.each(function () {
        var $this = $(this)
        var data  = $this.data('bs.tab')
  
        if (!data) $this.data('bs.tab', (data = new Tab(this)))
        if (typeof option == 'string') data[option]()
      })
    }
  
    var old = $.fn.tab
  
    $.fn.tab             = Plugin
    $.fn.tab.Constructor = Tab
  
  
    // TAB NO CONFLICT
    // ===============
  
    $.fn.tab.noConflict = function () {
      $.fn.tab = old
      return this
    }
  
  
    // TAB DATA-API
    // ============
  
    var clickHandler = function (e) {
      e.preventDefault()
      Plugin.call($(this), 'show')
    }
  
    $(document)
      .on('click.bs.tab.data-api', '[data-toggle="tab"]', clickHandler)
      .on('click.bs.tab.data-api', '[data-toggle="pill"]', clickHandler)
  
  }(jQuery);
  
  /* ========================================================================
   * Bootstrap: affix.js v3.3.7
   * http://getbootstrap.com/javascript/#affix
   * ========================================================================
   * Copyright 2011-2016 Twitter, Inc.
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * ======================================================================== */
  
  
  +function ($) {
    'use strict';
  
    // AFFIX CLASS DEFINITION
    // ======================
  
    var Affix = function (element, options) {
      this.options = $.extend({}, Affix.DEFAULTS, options)
  
      this.$target = $(this.options.target)
        .on('scroll.bs.affix.data-api', $.proxy(this.checkPosition, this))
        .on('click.bs.affix.data-api',  $.proxy(this.checkPositionWithEventLoop, this))
  
      this.$element     = $(element)
      this.affixed      = null
      this.unpin        = null
      this.pinnedOffset = null
  
      this.checkPosition()
    }
  
    Affix.VERSION  = '3.3.7'
  
    Affix.RESET    = 'affix affix-top affix-bottom'
  
    Affix.DEFAULTS = {
      offset: 0,
      target: window
    }
  
    Affix.prototype.getState = function (scrollHeight, height, offsetTop, offsetBottom) {
      var scrollTop    = this.$target.scrollTop()
      var position     = this.$element.offset()
      var targetHeight = this.$target.height()
  
      if (offsetTop != null && this.affixed == 'top') return scrollTop < offsetTop ? 'top' : false
  
      if (this.affixed == 'bottom') {
        if (offsetTop != null) return (scrollTop + this.unpin <= position.top) ? false : 'bottom'
        return (scrollTop + targetHeight <= scrollHeight - offsetBottom) ? false : 'bottom'
      }
  
      var initializing   = this.affixed == null
      var colliderTop    = initializing ? scrollTop : position.top
      var colliderHeight = initializing ? targetHeight : height
  
      if (offsetTop != null && scrollTop <= offsetTop) return 'top'
      if (offsetBottom != null && (colliderTop + colliderHeight >= scrollHeight - offsetBottom)) return 'bottom'
  
      return false
    }
  
    Affix.prototype.getPinnedOffset = function () {
      if (this.pinnedOffset) return this.pinnedOffset
      this.$element.removeClass(Affix.RESET).addClass('affix')
      var scrollTop = this.$target.scrollTop()
      var position  = this.$element.offset()
      return (this.pinnedOffset = position.top - scrollTop)
    }
  
    Affix.prototype.checkPositionWithEventLoop = function () {
      setTimeout($.proxy(this.checkPosition, this), 1)
    }
  
    Affix.prototype.checkPosition = function () {
      if (!this.$element.is(':visible')) return
  
      var height       = this.$element.height()
      var offset       = this.options.offset
      var offsetTop    = offset.top
      var offsetBottom = offset.bottom
      var scrollHeight = Math.max($(document).height(), $(document.body).height())
  
      if (typeof offset != 'object')         offsetBottom = offsetTop = offset
      if (typeof offsetTop == 'function')    offsetTop    = offset.top(this.$element)
      if (typeof offsetBottom == 'function') offsetBottom = offset.bottom(this.$element)
  
      var affix = this.getState(scrollHeight, height, offsetTop, offsetBottom)
  
      if (this.affixed != affix) {
        if (this.unpin != null) this.$element.css('top', '')
  
        var affixType = 'affix' + (affix ? '-' + affix : '')
        var e         = $.Event(affixType + '.bs.affix')
  
        this.$element.trigger(e)
  
        if (e.isDefaultPrevented()) return
  
        this.affixed = affix
        this.unpin = affix == 'bottom' ? this.getPinnedOffset() : null
  
        this.$element
          .removeClass(Affix.RESET)
          .addClass(affixType)
          .trigger(affixType.replace('affix', 'affixed') + '.bs.affix')
      }
  
      if (affix == 'bottom') {
        this.$element.offset({
          top: scrollHeight - height - offsetBottom
        })
      }
    }
  
  
    // AFFIX PLUGIN DEFINITION
    // =======================
  
    function Plugin(option) {
      return this.each(function () {
        var $this   = $(this)
        var data    = $this.data('bs.affix')
        var options = typeof option == 'object' && option
  
        if (!data) $this.data('bs.affix', (data = new Affix(this, options)))
        if (typeof option == 'string') data[option]()
      })
    }
  
    var old = $.fn.affix
  
    $.fn.affix             = Plugin
    $.fn.affix.Constructor = Affix
  
  
    // AFFIX NO CONFLICT
    // =================
  
    $.fn.affix.noConflict = function () {
      $.fn.affix = old
      return this
    }
  
  
    // AFFIX DATA-API
    // ==============
  
    $(window).on('load', function () {
      $('[data-spy="affix"]').each(function () {
        var $spy = $(this)
        var data = $spy.data()
  
        data.offset = data.offset || {}
  
        if (data.offsetBottom != null) data.offset.bottom = data.offsetBottom
        if (data.offsetTop    != null) data.offset.top    = data.offsetTop
  
        Plugin.call($spy, data)
      })
    })
  
  }(jQuery);
  
  /*
   * Toastr
   * Copyright 2012-2015
   * Authors: John Papa, Hans Fjällemark, and Tim Ferrell.
   * All Rights Reserved.
   * Use, reproduction, distribution, and modification of this code is subject to the terms and
   * conditions of the MIT license, available at http://www.opensource.org/licenses/mit-license.php
   *
   * ARIA Support: Greta Krafsig
   *
   * Project: https://github.com/CodeSeven/toastr
   */
  /* global define */
  (function (define) {
      define(['jquery'], function ($) {
          return (function () {
              var $container;
              var listener;
              var toastId = 0;
              var toastType = {
                  error: 'error',
                  info: 'info',
                  success: 'success',
                  warning: 'warning'
              };
  
              var toastr = {
                  clear: clear,
                  remove: remove,
                  error: error,
                  getContainer: getContainer,
                  info: info,
                  options: {},
                  subscribe: subscribe,
                  success: success,
                  version: '2.1.4',
                  warning: warning
              };
  
              var previousToast;
  
              return toastr;
  
              ////////////////
  
              function error(message, title, optionsOverride) {
                  return notify({
                      type: toastType.error,
                      iconClass: getOptions().iconClasses.error,
                      message: message,
                      optionsOverride: optionsOverride,
                      title: title
                  });
              }
  
              function getContainer(options, create) {
                  if (!options) { options = getOptions(); }
                  $container = $('#' + options.containerId);
                  if ($container.length) {
                      return $container;
                  }
                  if (create) {
                      $container = createContainer(options);
                  }
                  return $container;
              }
  
              function info(message, title, optionsOverride) {
                  return notify({
                      type: toastType.info,
                      iconClass: getOptions().iconClasses.info,
                      message: message,
                      optionsOverride: optionsOverride,
                      title: title
                  });
              }
  
              function subscribe(callback) {
                  listener = callback;
              }
  
              function success(message, title, optionsOverride) {
                  return notify({
                      type: toastType.success,
                      iconClass: getOptions().iconClasses.success,
                      message: message,
                      optionsOverride: optionsOverride,
                      title: title
                  });
              }
  
              function warning(message, title, optionsOverride) {
                  return notify({
                      type: toastType.warning,
                      iconClass: getOptions().iconClasses.warning,
                      message: message,
                      optionsOverride: optionsOverride,
                      title: title
                  });
              }
  
              function clear($toastElement, clearOptions) {
                  var options = getOptions();
                  if (!$container) { getContainer(options); }
                  if (!clearToast($toastElement, options, clearOptions)) {
                      clearContainer(options);
                  }
              }
  
              function remove($toastElement) {
                  var options = getOptions();
                  if (!$container) { getContainer(options); }
                  if ($toastElement && $(':focus', $toastElement).length === 0) {
                      removeToast($toastElement);
                      return;
                  }
                  if ($container.children().length) {
                      $container.remove();
                  }
              }
  
              // internal functions
  
              function clearContainer (options) {
                  var toastsToClear = $container.children();
                  for (var i = toastsToClear.length - 1; i >= 0; i--) {
                      clearToast($(toastsToClear[i]), options);
                  }
              }
  
              function clearToast ($toastElement, options, clearOptions) {
                  var force = clearOptions && clearOptions.force ? clearOptions.force : false;
                  if ($toastElement && (force || $(':focus', $toastElement).length === 0)) {
                      $toastElement[options.hideMethod]({
                          duration: options.hideDuration,
                          easing: options.hideEasing,
                          complete: function () { removeToast($toastElement); }
                      });
                      return true;
                  }
                  return false;
              }
  
              function createContainer(options) {
                  $container = $('<div/>')
                      .attr('id', options.containerId)
                      .addClass(options.positionClass);
  
                  $container.appendTo($(options.target));
                  return $container;
              }
  
              function getDefaults() {
                  return {
                      tapToDismiss: true,
                      toastClass: 'toast',
                      containerId: 'toast-container',
                      debug: false,
  
                      showMethod: 'fadeIn', //fadeIn, slideDown, and show are built into jQuery
                      showDuration: 300,
                      showEasing: 'swing', //swing and linear are built into jQuery
                      onShown: undefined,
                      hideMethod: 'fadeOut',
                      hideDuration: 1000,
                      hideEasing: 'swing',
                      onHidden: undefined,
                      closeMethod: false,
                      closeDuration: false,
                      closeEasing: false,
                      closeOnHover: true,
  
                      extendedTimeOut: 1000,
                      iconClasses: {
                          error: 'toast-error',
                          info: 'toast-info',
                          success: 'toast-success',
                          warning: 'toast-warning'
                      },
                      iconClass: 'toast-info',
                      positionClass: 'toast-top-right',
                      timeOut: 5000, // Set timeOut and extendedTimeOut to 0 to make it sticky
                      titleClass: 'toast-title',
                      messageClass: 'toast-message',
                      escapeHtml: false,
                      target: 'body',
                      closeHtml: '<button type="button">&times;</button>',
                      closeClass: 'toast-close-button',
                      newestOnTop: true,
                      preventDuplicates: false,
                      progressBar: false,
                      progressClass: 'toast-progress',
                      rtl: false
                  };
              }
  
              function publish(args) {
                  if (!listener) { return; }
                  listener(args);
              }
  
              function notify(map) {
                  var options = getOptions();
                  var iconClass = map.iconClass || options.iconClass;
  
                  if (typeof (map.optionsOverride) !== 'undefined') {
                      options = $.extend(options, map.optionsOverride);
                      iconClass = map.optionsOverride.iconClass || iconClass;
                  }
  
                  if (shouldExit(options, map)) { return; }
  
                  toastId++;
  
                  $container = getContainer(options, true);
  
                  var intervalId = null;
                  var $toastElement = $('<div/>');
                  var $titleElement = $('<div/>');
                  var $messageElement = $('<div/>');
                  var $progressElement = $('<div/>');
                  var $closeElement = $(options.closeHtml);
                  var progressBar = {
                      intervalId: null,
                      hideEta: null,
                      maxHideTime: null
                  };
                  var response = {
                      toastId: toastId,
                      state: 'visible',
                      startTime: new Date(),
                      options: options,
                      map: map
                  };
  
                  personalizeToast();
  
                  displayToast();
  
                  handleEvents();
  
                  publish(response);
  
                  if (options.debug && console) {
                      console.log(response);
                  }
  
                  return $toastElement;
  
                  function escapeHtml(source) {
                      if (source == null) {
                          source = '';
                      }
  
                      return source
                          .replace(/&/g, '&amp;')
                          .replace(/"/g, '&quot;')
                          .replace(/'/g, '&#39;')
                          .replace(/</g, '&lt;')
                          .replace(/>/g, '&gt;');
                  }
  
                  function personalizeToast() {
                      setIcon();
                      setTitle();
                      setMessage();
                      setCloseButton();
                      setProgressBar();
                      setRTL();
                      setSequence();
                      setAria();
                  }
  
                  function setAria() {
                      var ariaValue = '';
                      switch (map.iconClass) {
                          case 'toast-success':
                          case 'toast-info':
                              ariaValue =  'polite';
                              break;
                          default:
                              ariaValue = 'assertive';
                      }
                      $toastElement.attr('aria-live', ariaValue);
                  }
  
                  function handleEvents() {
                      if (options.closeOnHover) {
                          $toastElement.hover(stickAround, delayedHideToast);
                      }
  
                      if (!options.onclick && options.tapToDismiss) {
                          $toastElement.click(hideToast);
                      }
  
                      if (options.closeButton && $closeElement) {
                          $closeElement.click(function (event) {
                              if (event.stopPropagation) {
                                  event.stopPropagation();
                              } else if (event.cancelBubble !== undefined && event.cancelBubble !== true) {
                                  event.cancelBubble = true;
                              }
  
                              if (options.onCloseClick) {
                                  options.onCloseClick(event);
                              }
  
                              hideToast(true);
                          });
                      }
  
                      if (options.onclick) {
                          $toastElement.click(function (event) {
                              options.onclick(event);
                              hideToast();
                          });
                      }
                  }
  
                  function displayToast() {
                      $toastElement.hide();
  
                      $toastElement[options.showMethod](
                          {duration: options.showDuration, easing: options.showEasing, complete: options.onShown}
                      );
  
                      if (options.timeOut > 0) {
                          intervalId = setTimeout(hideToast, options.timeOut);
                          progressBar.maxHideTime = parseFloat(options.timeOut);
                          progressBar.hideEta = new Date().getTime() + progressBar.maxHideTime;
                          if (options.progressBar) {
                              progressBar.intervalId = setInterval(updateProgress, 10);
                          }
                      }
                  }
  
                  function setIcon() {
                      if (map.iconClass) {
                          $toastElement.addClass(options.toastClass).addClass(iconClass);
                      }
                  }
  
                  function setSequence() {
                      if (options.newestOnTop) {
                          $container.prepend($toastElement);
                      } else {
                          $container.append($toastElement);
                      }
                  }
  
                  function setTitle() {
                      if (map.title) {
                          var suffix = map.title;
                          if (options.escapeHtml) {
                              suffix = escapeHtml(map.title);
                          }
                          $titleElement.append(suffix).addClass(options.titleClass);
                          $toastElement.append($titleElement);
                      }
                  }
  
                  function setMessage() {
                      if (map.message) {
                          var suffix = map.message;
                          if (options.escapeHtml) {
                              suffix = escapeHtml(map.message);
                          }
                          $messageElement.append(suffix).addClass(options.messageClass);
                          $toastElement.append($messageElement);
                      }
                  }
  
                  function setCloseButton() {
                      if (options.closeButton) {
                          $closeElement.addClass(options.closeClass).attr('role', 'button');
                          $toastElement.prepend($closeElement);
                      }
                  }
  
                  function setProgressBar() {
                      if (options.progressBar) {
                          $progressElement.addClass(options.progressClass);
                          $toastElement.prepend($progressElement);
                      }
                  }
  
                  function setRTL() {
                      if (options.rtl) {
                          $toastElement.addClass('rtl');
                      }
                  }
  
                  function shouldExit(options, map) {
                      if (options.preventDuplicates) {
                          if (map.message === previousToast) {
                              return true;
                          } else {
                              previousToast = map.message;
                          }
                      }
                      return false;
                  }
  
                  function hideToast(override) {
                      var method = override && options.closeMethod !== false ? options.closeMethod : options.hideMethod;
                      var duration = override && options.closeDuration !== false ?
                          options.closeDuration : options.hideDuration;
                      var easing = override && options.closeEasing !== false ? options.closeEasing : options.hideEasing;
                      if ($(':focus', $toastElement).length && !override) {
                          return;
                      }
                      clearTimeout(progressBar.intervalId);
                      return $toastElement[method]({
                          duration: duration,
                          easing: easing,
                          complete: function () {
                              removeToast($toastElement);
                              clearTimeout(intervalId);
                              if (options.onHidden && response.state !== 'hidden') {
                                  options.onHidden();
                              }
                              response.state = 'hidden';
                              response.endTime = new Date();
                              publish(response);
                          }
                      });
                  }
  
                  function delayedHideToast() {
                      if (options.timeOut > 0 || options.extendedTimeOut > 0) {
                          intervalId = setTimeout(hideToast, options.extendedTimeOut);
                          progressBar.maxHideTime = parseFloat(options.extendedTimeOut);
                          progressBar.hideEta = new Date().getTime() + progressBar.maxHideTime;
                      }
                  }
  
                  function stickAround() {
                      clearTimeout(intervalId);
                      progressBar.hideEta = 0;
                      $toastElement.stop(true, true)[options.showMethod](
                          {duration: options.showDuration, easing: options.showEasing}
                      );
                  }
  
                  function updateProgress() {
                      var percentage = ((progressBar.hideEta - (new Date().getTime())) / progressBar.maxHideTime) * 100;
                      $progressElement.width(percentage + '%');
                  }
              }
  
              function getOptions() {
                  return $.extend({}, getDefaults(), toastr.options);
              }
  
              function removeToast($toastElement) {
                  if (!$container) { $container = getContainer(); }
                  if ($toastElement.is(':visible')) {
                      return;
                  }
                  $toastElement.remove();
                  $toastElement = null;
                  if ($container.children().length === 0) {
                      $container.remove();
                      previousToast = undefined;
                  }
              }
  
          })();
      });
  }(typeof define === 'function' && define.amd ? define : function (deps, factory) {
      if (typeof module !== 'undefined' && module.exports) { //Node
          module.exports = factory(require('jquery'));
      } else {
          window.toastr = factory(window.jQuery);
      }
  }));
  
  /*!
   * Vue.js v2.6.10
   * (c) 2014-2019 Evan You
   * Released under the MIT License.
   */
  (function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define(factory) :
    (global = global || self, global.Vue = factory());
  }(this, function () { 'use strict';
  
    /*  */
  
    var emptyObject = Object.freeze({});
  
    // These helpers produce better VM code in JS engines due to their
    // explicitness and function inlining.
    function isUndef (v) {
      return v === undefined || v === null
    }
  
    function isDef (v) {
      return v !== undefined && v !== null
    }
  
    function isTrue (v) {
      return v === true
    }
  
    function isFalse (v) {
      return v === false
    }
  
    /**
     * Check if value is primitive.
     */
    function isPrimitive (value) {
      return (
        typeof value === 'string' ||
        typeof value === 'number' ||
        // $flow-disable-line
        typeof value === 'symbol' ||
        typeof value === 'boolean'
      )
    }
  
    /**
     * Quick object check - this is primarily used to tell
     * Objects from primitive values when we know the value
     * is a JSON-compliant type.
     */
    function isObject (obj) {
      return obj !== null && typeof obj === 'object'
    }
  
    /**
     * Get the raw type string of a value, e.g., [object Object].
     */
    var _toString = Object.prototype.toString;
  
    function toRawType (value) {
      return _toString.call(value).slice(8, -1)
    }
  
    /**
     * Strict object type check. Only returns true
     * for plain JavaScript objects.
     */
    function isPlainObject (obj) {
      return _toString.call(obj) === '[object Object]'
    }
  
    function isRegExp (v) {
      return _toString.call(v) === '[object RegExp]'
    }
  
    /**
     * Check if val is a valid array index.
     */
    function isValidArrayIndex (val) {
      var n = parseFloat(String(val));
      return n >= 0 && Math.floor(n) === n && isFinite(val)
    }
  
    function isPromise (val) {
      return (
        isDef(val) &&
        typeof val.then === 'function' &&
        typeof val.catch === 'function'
      )
    }
  
    /**
     * Convert a value to a string that is actually rendered.
     */
    function toString (val) {
      return val == null
        ? ''
        : Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)
          ? JSON.stringify(val, null, 2)
          : String(val)
    }
  
    /**
     * Convert an input value to a number for persistence.
     * If the conversion fails, return original string.
     */
    function toNumber (val) {
      var n = parseFloat(val);
      return isNaN(n) ? val : n
    }
  
    /**
     * Make a map and return a function for checking if a key
     * is in that map.
     */
    function makeMap (
      str,
      expectsLowerCase
    ) {
      var map = Object.create(null);
      var list = str.split(',');
      for (var i = 0; i < list.length; i++) {
        map[list[i]] = true;
      }
      return expectsLowerCase
        ? function (val) { return map[val.toLowerCase()]; }
        : function (val) { return map[val]; }
    }
  
    /**
     * Check if a tag is a built-in tag.
     */
    var isBuiltInTag = makeMap('slot,component', true);
  
    /**
     * Check if an attribute is a reserved attribute.
     */
    var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
  
    /**
     * Remove an item from an array.
     */
    function remove (arr, item) {
      if (arr.length) {
        var index = arr.indexOf(item);
        if (index > -1) {
          return arr.splice(index, 1)
        }
      }
    }
  
    /**
     * Check whether an object has the property.
     */
    var hasOwnProperty = Object.prototype.hasOwnProperty;
    function hasOwn (obj, key) {
      return hasOwnProperty.call(obj, key)
    }
  
    /**
     * Create a cached version of a pure function.
     */
    function cached (fn) {
      var cache = Object.create(null);
      return (function cachedFn (str) {
        var hit = cache[str];
        return hit || (cache[str] = fn(str))
      })
    }
  
    /**
     * Camelize a hyphen-delimited string.
     */
    var camelizeRE = /-(\w)/g;
    var camelize = cached(function (str) {
      return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
    });
  
    /**
     * Capitalize a string.
     */
    var capitalize = cached(function (str) {
      return str.charAt(0).toUpperCase() + str.slice(1)
    });
  
    /**
     * Hyphenate a camelCase string.
     */
    var hyphenateRE = /\B([A-Z])/g;
    var hyphenate = cached(function (str) {
      return str.replace(hyphenateRE, '-$1').toLowerCase()
    });
  
    /**
     * Simple bind polyfill for environments that do not support it,
     * e.g., PhantomJS 1.x. Technically, we don't need this anymore
     * since native bind is now performant enough in most browsers.
     * But removing it would mean breaking code that was able to run in
     * PhantomJS 1.x, so this must be kept for backward compatibility.
     */
  
    /* istanbul ignore next */
    function polyfillBind (fn, ctx) {
      function boundFn (a) {
        var l = arguments.length;
        return l
          ? l > 1
            ? fn.apply(ctx, arguments)
            : fn.call(ctx, a)
          : fn.call(ctx)
      }
  
      boundFn._length = fn.length;
      return boundFn
    }
  
    function nativeBind (fn, ctx) {
      return fn.bind(ctx)
    }
  
    var bind = Function.prototype.bind
      ? nativeBind
      : polyfillBind;
  
    /**
     * Convert an Array-like object to a real Array.
     */
    function toArray (list, start) {
      start = start || 0;
      var i = list.length - start;
      var ret = new Array(i);
      while (i--) {
        ret[i] = list[i + start];
      }
      return ret
    }
  
    /**
     * Mix properties into target object.
     */
    function extend (to, _from) {
      for (var key in _from) {
        to[key] = _from[key];
      }
      return to
    }
  
    /**
     * Merge an Array of Objects into a single Object.
     */
    function toObject (arr) {
      var res = {};
      for (var i = 0; i < arr.length; i++) {
        if (arr[i]) {
          extend(res, arr[i]);
        }
      }
      return res
    }
  
    /* eslint-disable no-unused-vars */
  
    /**
     * Perform no operation.
     * Stubbing args to make Flow happy without leaving useless transpiled code
     * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
     */
    function noop (a, b, c) {}
  
    /**
     * Always return false.
     */
    var no = function (a, b, c) { return false; };
  
    /* eslint-enable no-unused-vars */
  
    /**
     * Return the same value.
     */
    var identity = function (_) { return _; };
  
    /**
     * Generate a string containing static keys from compiler modules.
     */
    function genStaticKeys (modules) {
      return modules.reduce(function (keys, m) {
        return keys.concat(m.staticKeys || [])
      }, []).join(',')
    }
  
    /**
     * Check if two values are loosely equal - that is,
     * if they are plain objects, do they have the same shape?
     */
    function looseEqual (a, b) {
      if (a === b) { return true }
      var isObjectA = isObject(a);
      var isObjectB = isObject(b);
      if (isObjectA && isObjectB) {
        try {
          var isArrayA = Array.isArray(a);
          var isArrayB = Array.isArray(b);
          if (isArrayA && isArrayB) {
            return a.length === b.length && a.every(function (e, i) {
              return looseEqual(e, b[i])
            })
          } else if (a instanceof Date && b instanceof Date) {
            return a.getTime() === b.getTime()
          } else if (!isArrayA && !isArrayB) {
            var keysA = Object.keys(a);
            var keysB = Object.keys(b);
            return keysA.length === keysB.length && keysA.every(function (key) {
              return looseEqual(a[key], b[key])
            })
          } else {
            /* istanbul ignore next */
            return false
          }
        } catch (e) {
          /* istanbul ignore next */
          return false
        }
      } else if (!isObjectA && !isObjectB) {
        return String(a) === String(b)
      } else {
        return false
      }
    }
  
    /**
     * Return the first index at which a loosely equal value can be
     * found in the array (if value is a plain object, the array must
     * contain an object of the same shape), or -1 if it is not present.
     */
    function looseIndexOf (arr, val) {
      for (var i = 0; i < arr.length; i++) {
        if (looseEqual(arr[i], val)) { return i }
      }
      return -1
    }
  
    /**
     * Ensure a function is called only once.
     */
    function once (fn) {
      var called = false;
      return function () {
        if (!called) {
          called = true;
          fn.apply(this, arguments);
        }
      }
    }
  
    var SSR_ATTR = 'data-server-rendered';
  
    var ASSET_TYPES = [
      'component',
      'directive',
      'filter'
    ];
  
    var LIFECYCLE_HOOKS = [
      'beforeCreate',
      'created',
      'beforeMount',
      'mounted',
      'beforeUpdate',
      'updated',
      'beforeDestroy',
      'destroyed',
      'activated',
      'deactivated',
      'errorCaptured',
      'serverPrefetch'
    ];
  
    /*  */
  
  
  
    var config = ({
      /**
       * Option merge strategies (used in core/util/options)
       */
      // $flow-disable-line
      optionMergeStrategies: Object.create(null),
  
      /**
       * Whether to suppress warnings.
       */
      silent: false,
  
      /**
       * Show production mode tip message on boot?
       */
      productionTip: "development" !== 'production',
  
      /**
       * Whether to enable devtools
       */
      devtools: "development" !== 'production',
  
      /**
       * Whether to record perf
       */
      performance: false,
  
      /**
       * Error handler for watcher errors
       */
      errorHandler: null,
  
      /**
       * Warn handler for watcher warns
       */
      warnHandler: null,
  
      /**
       * Ignore certain custom elements
       */
      ignoredElements: [],
  
      /**
       * Custom user key aliases for v-on
       */
      // $flow-disable-line
      keyCodes: Object.create(null),
  
      /**
       * Check if a tag is reserved so that it cannot be registered as a
       * component. This is platform-dependent and may be overwritten.
       */
      isReservedTag: no,
  
      /**
       * Check if an attribute is reserved so that it cannot be used as a component
       * prop. This is platform-dependent and may be overwritten.
       */
      isReservedAttr: no,
  
      /**
       * Check if a tag is an unknown element.
       * Platform-dependent.
       */
      isUnknownElement: no,
  
      /**
       * Get the namespace of an element
       */
      getTagNamespace: noop,
  
      /**
       * Parse the real tag name for the specific platform.
       */
      parsePlatformTagName: identity,
  
      /**
       * Check if an attribute must be bound using property, e.g. value
       * Platform-dependent.
       */
      mustUseProp: no,
  
      /**
       * Perform updates asynchronously. Intended to be used by Vue Test Utils
       * This will significantly reduce performance if set to false.
       */
      async: true,
  
      /**
       * Exposed for legacy reasons
       */
      _lifecycleHooks: LIFECYCLE_HOOKS
    });
  
    /*  */
  
    /**
     * unicode letters used for parsing html tags, component names and property paths.
     * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
     * skipping \u10000-\uEFFFF due to it freezing up PhantomJS
     */
    var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;
  
    /**
     * Check if a string starts with $ or _
     */
    function isReserved (str) {
      var c = (str + '').charCodeAt(0);
      return c === 0x24 || c === 0x5F
    }
  
    /**
     * Define a property.
     */
    function def (obj, key, val, enumerable) {
      Object.defineProperty(obj, key, {
        value: val,
        enumerable: !!enumerable,
        writable: true,
        configurable: true
      });
    }
  
    /**
     * Parse simple path.
     */
    var bailRE = new RegExp(("[^" + (unicodeRegExp.source) + ".$_\\d]"));
    function parsePath (path) {
      if (bailRE.test(path)) {
        return
      }
      var segments = path.split('.');
      return function (obj) {
        for (var i = 0; i < segments.length; i++) {
          if (!obj) { return }
          obj = obj[segments[i]];
        }
        return obj
      }
    }
  
    /*  */
  
    // can we use __proto__?
    var hasProto = '__proto__' in {};
  
    // Browser environment sniffing
    var inBrowser = typeof window !== 'undefined';
    var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
    var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
    var UA = inBrowser && window.navigator.userAgent.toLowerCase();
    var isIE = UA && /msie|trident/.test(UA);
    var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
    var isEdge = UA && UA.indexOf('edge/') > 0;
    var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
    var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
    var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
    var isPhantomJS = UA && /phantomjs/.test(UA);
    var isFF = UA && UA.match(/firefox\/(\d+)/);
  
    // Firefox has a "watch" function on Object.prototype...
    var nativeWatch = ({}).watch;
  
    var supportsPassive = false;
    if (inBrowser) {
      try {
        var opts = {};
        Object.defineProperty(opts, 'passive', ({
          get: function get () {
            /* istanbul ignore next */
            supportsPassive = true;
          }
        })); // https://github.com/facebook/flow/issues/285
        window.addEventListener('test-passive', null, opts);
      } catch (e) {}
    }
  
    // this needs to be lazy-evaled because vue may be required before
    // vue-server-renderer can set VUE_ENV
    var _isServer;
    var isServerRendering = function () {
      if (_isServer === undefined) {
        /* istanbul ignore if */
        if (!inBrowser && !inWeex && typeof global !== 'undefined') {
          // detect presence of vue-server-renderer and avoid
          // Webpack shimming the process
          _isServer = global['process'] && global['process'].env.VUE_ENV === 'server';
        } else {
          _isServer = false;
        }
      }
      return _isServer
    };
  
    // detect devtools
    var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
  
    /* istanbul ignore next */
    function isNative (Ctor) {
      return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
    }
  
    var hasSymbol =
      typeof Symbol !== 'undefined' && isNative(Symbol) &&
      typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
  
    var _Set;
    /* istanbul ignore if */ // $flow-disable-line
    if (typeof Set !== 'undefined' && isNative(Set)) {
      // use native Set when available.
      _Set = Set;
    } else {
      // a non-standard Set polyfill that only works with primitive keys.
      _Set = /*@__PURE__*/(function () {
        function Set () {
          this.set = Object.create(null);
        }
        Set.prototype.has = function has (key) {
          return this.set[key] === true
        };
        Set.prototype.add = function add (key) {
          this.set[key] = true;
        };
        Set.prototype.clear = function clear () {
          this.set = Object.create(null);
        };
  
        return Set;
      }());
    }
  
    /*  */
  
    var warn = noop;
    var tip = noop;
    var generateComponentTrace = (noop); // work around flow check
    var formatComponentName = (noop);
  
    {
      var hasConsole = typeof console !== 'undefined';
      var classifyRE = /(?:^|[-_])(\w)/g;
      var classify = function (str) { return str
        .replace(classifyRE, function (c) { return c.toUpperCase(); })
        .replace(/[-_]/g, ''); };
  
      warn = function (msg, vm) {
        var trace = vm ? generateComponentTrace(vm) : '';
  
        if (config.warnHandler) {
          config.warnHandler.call(null, msg, vm, trace);
        } else if (hasConsole && (!config.silent)) {
          console.error(("[Vue warn]: " + msg + trace));
        }
      };
  
      tip = function (msg, vm) {
        if (hasConsole && (!config.silent)) {
          console.warn("[Vue tip]: " + msg + (
            vm ? generateComponentTrace(vm) : ''
          ));
        }
      };
  
      formatComponentName = function (vm, includeFile) {
        if (vm.$root === vm) {
          return '<Root>'
        }
        var options = typeof vm === 'function' && vm.cid != null
          ? vm.options
          : vm._isVue
            ? vm.$options || vm.constructor.options
            : vm;
        var name = options.name || options._componentTag;
        var file = options.__file;
        if (!name && file) {
          var match = file.match(/([^/\\]+)\.vue$/);
          name = match && match[1];
        }
  
        return (
          (name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
          (file && includeFile !== false ? (" at " + file) : '')
        )
      };
  
      var repeat = function (str, n) {
        var res = '';
        while (n) {
          if (n % 2 === 1) { res += str; }
          if (n > 1) { str += str; }
          n >>= 1;
        }
        return res
      };
  
      generateComponentTrace = function (vm) {
        if (vm._isVue && vm.$parent) {
          var tree = [];
          var currentRecursiveSequence = 0;
          while (vm) {
            if (tree.length > 0) {
              var last = tree[tree.length - 1];
              if (last.constructor === vm.constructor) {
                currentRecursiveSequence++;
                vm = vm.$parent;
                continue
              } else if (currentRecursiveSequence > 0) {
                tree[tree.length - 1] = [last, currentRecursiveSequence];
                currentRecursiveSequence = 0;
              }
            }
            tree.push(vm);
            vm = vm.$parent;
          }
          return '\n\nfound in\n\n' + tree
            .map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
                ? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
                : formatComponentName(vm))); })
            .join('\n')
        } else {
          return ("\n\n(found in " + (formatComponentName(vm)) + ")")
        }
      };
    }
  
    /*  */
  
    var uid = 0;
  
    /**
     * A dep is an observable that can have multiple
     * directives subscribing to it.
     */
    var Dep = function Dep () {
      this.id = uid++;
      this.subs = [];
    };
  
    Dep.prototype.addSub = function addSub (sub) {
      this.subs.push(sub);
    };
  
    Dep.prototype.removeSub = function removeSub (sub) {
      remove(this.subs, sub);
    };
  
    Dep.prototype.depend = function depend () {
      if (Dep.target) {
        Dep.target.addDep(this);
      }
    };
  
    Dep.prototype.notify = function notify () {
      // stabilize the subscriber list first
      var subs = this.subs.slice();
      if (!config.async) {
        // subs aren't sorted in scheduler if not running async
        // we need to sort them now to make sure they fire in correct
        // order
        subs.sort(function (a, b) { return a.id - b.id; });
      }
      for (var i = 0, l = subs.length; i < l; i++) {
        subs[i].update();
      }
    };
  
    // The current target watcher being evaluated.
    // This is globally unique because only one watcher
    // can be evaluated at a time.
    Dep.target = null;
    var targetStack = [];
  
    function pushTarget (target) {
      targetStack.push(target);
      Dep.target = target;
    }
  
    function popTarget () {
      targetStack.pop();
      Dep.target = targetStack[targetStack.length - 1];
    }
  
    /*  */
  
    var VNode = function VNode (
      tag,
      data,
      children,
      text,
      elm,
      context,
      componentOptions,
      asyncFactory
    ) {
      this.tag = tag;
      this.data = data;
      this.children = children;
      this.text = text;
      this.elm = elm;
      this.ns = undefined;
      this.context = context;
      this.fnContext = undefined;
      this.fnOptions = undefined;
      this.fnScopeId = undefined;
      this.key = data && data.key;
      this.componentOptions = componentOptions;
      this.componentInstance = undefined;
      this.parent = undefined;
      this.raw = false;
      this.isStatic = false;
      this.isRootInsert = true;
      this.isComment = false;
      this.isCloned = false;
      this.isOnce = false;
      this.asyncFactory = asyncFactory;
      this.asyncMeta = undefined;
      this.isAsyncPlaceholder = false;
    };
  
    var prototypeAccessors = { child: { configurable: true } };
  
    // DEPRECATED: alias for componentInstance for backwards compat.
    /* istanbul ignore next */
    prototypeAccessors.child.get = function () {
      return this.componentInstance
    };
  
    Object.defineProperties( VNode.prototype, prototypeAccessors );
  
    var createEmptyVNode = function (text) {
      if ( text === void 0 ) text = '';
  
      var node = new VNode();
      node.text = text;
      node.isComment = true;
      return node
    };
  
    function createTextVNode (val) {
      return new VNode(undefined, undefined, undefined, String(val))
    }
  
    // optimized shallow clone
    // used for static nodes and slot nodes because they may be reused across
    // multiple renders, cloning them avoids errors when DOM manipulations rely
    // on their elm reference.
    function cloneVNode (vnode) {
      var cloned = new VNode(
        vnode.tag,
        vnode.data,
        // #7975
        // clone children array to avoid mutating original in case of cloning
        // a child.
        vnode.children && vnode.children.slice(),
        vnode.text,
        vnode.elm,
        vnode.context,
        vnode.componentOptions,
        vnode.asyncFactory
      );
      cloned.ns = vnode.ns;
      cloned.isStatic = vnode.isStatic;
      cloned.key = vnode.key;
      cloned.isComment = vnode.isComment;
      cloned.fnContext = vnode.fnContext;
      cloned.fnOptions = vnode.fnOptions;
      cloned.fnScopeId = vnode.fnScopeId;
      cloned.asyncMeta = vnode.asyncMeta;
      cloned.isCloned = true;
      return cloned
    }
  
    /*
     * not type checking this file because flow doesn't play well with
     * dynamically accessing methods on Array prototype
     */
  
    var arrayProto = Array.prototype;
    var arrayMethods = Object.create(arrayProto);
  
    var methodsToPatch = [
      'push',
      'pop',
      'shift',
      'unshift',
      'splice',
      'sort',
      'reverse'
    ];
  
    /**
     * Intercept mutating methods and emit events
     */
    methodsToPatch.forEach(function (method) {
      // cache original method
      var original = arrayProto[method];
      def(arrayMethods, method, function mutator () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];
  
        var result = original.apply(this, args);
        var ob = this.__ob__;
        var inserted;
        switch (method) {
          case 'push':
          case 'unshift':
            inserted = args;
            break
          case 'splice':
            inserted = args.slice(2);
            break
        }
        if (inserted) { ob.observeArray(inserted); }
        // notify change
        ob.dep.notify();
        return result
      });
    });
  
    /*  */
  
    var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
  
    /**
     * In some cases we may want to disable observation inside a component's
     * update computation.
     */
    var shouldObserve = true;
  
    function toggleObserving (value) {
      shouldObserve = value;
    }
  
    /**
     * Observer class that is attached to each observed
     * object. Once attached, the observer converts the target
     * object's property keys into getter/setters that
     * collect dependencies and dispatch updates.
     */
    var Observer = function Observer (value) {
      this.value = value;
      this.dep = new Dep();
      this.vmCount = 0;
      def(value, '__ob__', this);
      if (Array.isArray(value)) {
        if (hasProto) {
          protoAugment(value, arrayMethods);
        } else {
          copyAugment(value, arrayMethods, arrayKeys);
        }
        this.observeArray(value);
      } else {
        this.walk(value);
      }
    };
  
    /**
     * Walk through all properties and convert them into
     * getter/setters. This method should only be called when
     * value type is Object.
     */
    Observer.prototype.walk = function walk (obj) {
      var keys = Object.keys(obj);
      for (var i = 0; i < keys.length; i++) {
        defineReactive$$1(obj, keys[i]);
      }
    };
  
    /**
     * Observe a list of Array items.
     */
    Observer.prototype.observeArray = function observeArray (items) {
      for (var i = 0, l = items.length; i < l; i++) {
        observe(items[i]);
      }
    };
  
    // helpers
  
    /**
     * Augment a target Object or Array by intercepting
     * the prototype chain using __proto__
     */
    function protoAugment (target, src) {
      /* eslint-disable no-proto */
      target.__proto__ = src;
      /* eslint-enable no-proto */
    }
  
    /**
     * Augment a target Object or Array by defining
     * hidden properties.
     */
    /* istanbul ignore next */
    function copyAugment (target, src, keys) {
      for (var i = 0, l = keys.length; i < l; i++) {
        var key = keys[i];
        def(target, key, src[key]);
      }
    }
  
    /**
     * Attempt to create an observer instance for a value,
     * returns the new observer if successfully observed,
     * or the existing observer if the value already has one.
     */
    function observe (value, asRootData) {
      if (!isObject(value) || value instanceof VNode) {
        return
      }
      var ob;
      if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
        ob = value.__ob__;
      } else if (
        shouldObserve &&
        !isServerRendering() &&
        (Array.isArray(value) || isPlainObject(value)) &&
        Object.isExtensible(value) &&
        !value._isVue
      ) {
        ob = new Observer(value);
      }
      if (asRootData && ob) {
        ob.vmCount++;
      }
      return ob
    }
  
    /**
     * Define a reactive property on an Object.
     */
    function defineReactive$$1 (
      obj,
      key,
      val,
      customSetter,
      shallow
    ) {
      var dep = new Dep();
  
      var property = Object.getOwnPropertyDescriptor(obj, key);
      if (property && property.configurable === false) {
        return
      }
  
      // cater for pre-defined getter/setters
      var getter = property && property.get;
      var setter = property && property.set;
      if ((!getter || setter) && arguments.length === 2) {
        val = obj[key];
      }
  
      var childOb = !shallow && observe(val);
      Object.defineProperty(obj, key, {
        enumerable: true,
        configurable: true,
        get: function reactiveGetter () {
          var value = getter ? getter.call(obj) : val;
          if (Dep.target) {
            dep.depend();
            if (childOb) {
              childOb.dep.depend();
              if (Array.isArray(value)) {
                dependArray(value);
              }
            }
          }
          return value
        },
        set: function reactiveSetter (newVal) {
          var value = getter ? getter.call(obj) : val;
          /* eslint-disable no-self-compare */
          if (newVal === value || (newVal !== newVal && value !== value)) {
            return
          }
          /* eslint-enable no-self-compare */
          if (customSetter) {
            customSetter();
          }
          // #7981: for accessor properties without setter
          if (getter && !setter) { return }
          if (setter) {
            setter.call(obj, newVal);
          } else {
            val = newVal;
          }
          childOb = !shallow && observe(newVal);
          dep.notify();
        }
      });
    }
  
    /**
     * Set a property on an object. Adds the new property and
     * triggers change notification if the property doesn't
     * already exist.
     */
    function set (target, key, val) {
      if (isUndef(target) || isPrimitive(target)
      ) {
        warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target))));
      }
      if (Array.isArray(target) && isValidArrayIndex(key)) {
        target.length = Math.max(target.length, key);
        target.splice(key, 1, val);
        return val
      }
      if (key in target && !(key in Object.prototype)) {
        target[key] = val;
        return val
      }
      var ob = (target).__ob__;
      if (target._isVue || (ob && ob.vmCount)) {
        warn(
          'Avoid adding reactive properties to a Vue instance or its root $data ' +
          'at runtime - declare it upfront in the data option.'
        );
        return val
      }
      if (!ob) {
        target[key] = val;
        return val
      }
      defineReactive$$1(ob.value, key, val);
      ob.dep.notify();
      return val
    }
  
    /**
     * Delete a property and trigger change if necessary.
     */
    function del (target, key) {
      if (isUndef(target) || isPrimitive(target)
      ) {
        warn(("Cannot delete reactive property on undefined, null, or primitive value: " + ((target))));
      }
      if (Array.isArray(target) && isValidArrayIndex(key)) {
        target.splice(key, 1);
        return
      }
      var ob = (target).__ob__;
      if (target._isVue || (ob && ob.vmCount)) {
        warn(
          'Avoid deleting properties on a Vue instance or its root $data ' +
          '- just set it to null.'
        );
        return
      }
      if (!hasOwn(target, key)) {
        return
      }
      delete target[key];
      if (!ob) {
        return
      }
      ob.dep.notify();
    }
  
    /**
     * Collect dependencies on array elements when the array is touched, since
     * we cannot intercept array element access like property getters.
     */
    function dependArray (value) {
      for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
        e = value[i];
        e && e.__ob__ && e.__ob__.dep.depend();
        if (Array.isArray(e)) {
          dependArray(e);
        }
      }
    }
  
    /*  */
  
    /**
     * Option overwriting strategies are functions that handle
     * how to merge a parent option value and a child option
     * value into the final value.
     */
    var strats = config.optionMergeStrategies;
  
    /**
     * Options with restrictions
     */
    {
      strats.el = strats.propsData = function (parent, child, vm, key) {
        if (!vm) {
          warn(
            "option \"" + key + "\" can only be used during instance " +
            'creation with the `new` keyword.'
          );
        }
        return defaultStrat(parent, child)
      };
    }
  
    /**
     * Helper that recursively merges two data objects together.
     */
    function mergeData (to, from) {
      if (!from) { return to }
      var key, toVal, fromVal;
  
      var keys = hasSymbol
        ? Reflect.ownKeys(from)
        : Object.keys(from);
  
      for (var i = 0; i < keys.length; i++) {
        key = keys[i];
        // in case the object is already observed...
        if (key === '__ob__') { continue }
        toVal = to[key];
        fromVal = from[key];
        if (!hasOwn(to, key)) {
          set(to, key, fromVal);
        } else if (
          toVal !== fromVal &&
          isPlainObject(toVal) &&
          isPlainObject(fromVal)
        ) {
          mergeData(toVal, fromVal);
        }
      }
      return to
    }
  
    /**
     * Data
     */
    function mergeDataOrFn (
      parentVal,
      childVal,
      vm
    ) {
      if (!vm) {
        // in a Vue.extend merge, both should be functions
        if (!childVal) {
          return parentVal
        }
        if (!parentVal) {
          return childVal
        }
        // when parentVal & childVal are both present,
        // we need to return a function that returns the
        // merged result of both functions... no need to
        // check if parentVal is a function here because
        // it has to be a function to pass previous merges.
        return function mergedDataFn () {
          return mergeData(
            typeof childVal === 'function' ? childVal.call(this, this) : childVal,
            typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
          )
        }
      } else {
        return function mergedInstanceDataFn () {
          // instance merge
          var instanceData = typeof childVal === 'function'
            ? childVal.call(vm, vm)
            : childVal;
          var defaultData = typeof parentVal === 'function'
            ? parentVal.call(vm, vm)
            : parentVal;
          if (instanceData) {
            return mergeData(instanceData, defaultData)
          } else {
            return defaultData
          }
        }
      }
    }
  
    strats.data = function (
      parentVal,
      childVal,
      vm
    ) {
      if (!vm) {
        if (childVal && typeof childVal !== 'function') {
          warn(
            'The "data" option should be a function ' +
            'that returns a per-instance value in component ' +
            'definitions.',
            vm
          );
  
          return parentVal
        }
        return mergeDataOrFn(parentVal, childVal)
      }
  
      return mergeDataOrFn(parentVal, childVal, vm)
    };
  
    /**
     * Hooks and props are merged as arrays.
     */
    function mergeHook (
      parentVal,
      childVal
    ) {
      var res = childVal
        ? parentVal
          ? parentVal.concat(childVal)
          : Array.isArray(childVal)
            ? childVal
            : [childVal]
        : parentVal;
      return res
        ? dedupeHooks(res)
        : res
    }
  
    function dedupeHooks (hooks) {
      var res = [];
      for (var i = 0; i < hooks.length; i++) {
        if (res.indexOf(hooks[i]) === -1) {
          res.push(hooks[i]);
        }
      }
      return res
    }
  
    LIFECYCLE_HOOKS.forEach(function (hook) {
      strats[hook] = mergeHook;
    });
  
    /**
     * Assets
     *
     * When a vm is present (instance creation), we need to do
     * a three-way merge between constructor options, instance
     * options and parent options.
     */
    function mergeAssets (
      parentVal,
      childVal,
      vm,
      key
    ) {
      var res = Object.create(parentVal || null);
      if (childVal) {
        assertObjectType(key, childVal, vm);
        return extend(res, childVal)
      } else {
        return res
      }
    }
  
    ASSET_TYPES.forEach(function (type) {
      strats[type + 's'] = mergeAssets;
    });
  
    /**
     * Watchers.
     *
     * Watchers hashes should not overwrite one
     * another, so we merge them as arrays.
     */
    strats.watch = function (
      parentVal,
      childVal,
      vm,
      key
    ) {
      // work around Firefox's Object.prototype.watch...
      if (parentVal === nativeWatch) { parentVal = undefined; }
      if (childVal === nativeWatch) { childVal = undefined; }
      /* istanbul ignore if */
      if (!childVal) { return Object.create(parentVal || null) }
      {
        assertObjectType(key, childVal, vm);
      }
      if (!parentVal) { return childVal }
      var ret = {};
      extend(ret, parentVal);
      for (var key$1 in childVal) {
        var parent = ret[key$1];
        var child = childVal[key$1];
        if (parent && !Array.isArray(parent)) {
          parent = [parent];
        }
        ret[key$1] = parent
          ? parent.concat(child)
          : Array.isArray(child) ? child : [child];
      }
      return ret
    };
  
    /**
     * Other object hashes.
     */
    strats.props =
    strats.methods =
    strats.inject =
    strats.computed = function (
      parentVal,
      childVal,
      vm,
      key
    ) {
      if (childVal && "development" !== 'production') {
        assertObjectType(key, childVal, vm);
      }
      if (!parentVal) { return childVal }
      var ret = Object.create(null);
      extend(ret, parentVal);
      if (childVal) { extend(ret, childVal); }
      return ret
    };
    strats.provide = mergeDataOrFn;
  
    /**
     * Default strategy.
     */
    var defaultStrat = function (parentVal, childVal) {
      return childVal === undefined
        ? parentVal
        : childVal
    };
  
    /**
     * Validate component names
     */
    function checkComponents (options) {
      for (var key in options.components) {
        validateComponentName(key);
      }
    }
  
    function validateComponentName (name) {
      if (!new RegExp(("^[a-zA-Z][\\-\\.0-9_" + (unicodeRegExp.source) + "]*$")).test(name)) {
        warn(
          'Invalid component name: "' + name + '". Component names ' +
          'should conform to valid custom element name in html5 specification.'
        );
      }
      if (isBuiltInTag(name) || config.isReservedTag(name)) {
        warn(
          'Do not use built-in or reserved HTML elements as component ' +
          'id: ' + name
        );
      }
    }
  
    /**
     * Ensure all props option syntax are normalized into the
     * Object-based format.
     */
    function normalizeProps (options, vm) {
      var props = options.props;
      if (!props) { return }
      var res = {};
      var i, val, name;
      if (Array.isArray(props)) {
        i = props.length;
        while (i--) {
          val = props[i];
          if (typeof val === 'string') {
            name = camelize(val);
            res[name] = { type: null };
          } else {
            warn('props must be strings when using array syntax.');
          }
        }
      } else if (isPlainObject(props)) {
        for (var key in props) {
          val = props[key];
          name = camelize(key);
          res[name] = isPlainObject(val)
            ? val
            : { type: val };
        }
      } else {
        warn(
          "Invalid value for option \"props\": expected an Array or an Object, " +
          "but got " + (toRawType(props)) + ".",
          vm
        );
      }
      options.props = res;
    }
  
    /**
     * Normalize all injections into Object-based format
     */
    function normalizeInject (options, vm) {
      var inject = options.inject;
      if (!inject) { return }
      var normalized = options.inject = {};
      if (Array.isArray(inject)) {
        for (var i = 0; i < inject.length; i++) {
          normalized[inject[i]] = { from: inject[i] };
        }
      } else if (isPlainObject(inject)) {
        for (var key in inject) {
          var val = inject[key];
          normalized[key] = isPlainObject(val)
            ? extend({ from: key }, val)
            : { from: val };
        }
      } else {
        warn(
          "Invalid value for option \"inject\": expected an Array or an Object, " +
          "but got " + (toRawType(inject)) + ".",
          vm
        );
      }
    }
  
    /**
     * Normalize raw function directives into object format.
     */
    function normalizeDirectives (options) {
      var dirs = options.directives;
      if (dirs) {
        for (var key in dirs) {
          var def$$1 = dirs[key];
          if (typeof def$$1 === 'function') {
            dirs[key] = { bind: def$$1, update: def$$1 };
          }
        }
      }
    }
  
    function assertObjectType (name, value, vm) {
      if (!isPlainObject(value)) {
        warn(
          "Invalid value for option \"" + name + "\": expected an Object, " +
          "but got " + (toRawType(value)) + ".",
          vm
        );
      }
    }
  
    /**
     * Merge two option objects into a new one.
     * Core utility used in both instantiation and inheritance.
     */
    function mergeOptions (
      parent,
      child,
      vm
    ) {
      {
        checkComponents(child);
      }
  
      if (typeof child === 'function') {
        child = child.options;
      }
  
      normalizeProps(child, vm);
      normalizeInject(child, vm);
      normalizeDirectives(child);
  
      // Apply extends and mixins on the child options,
      // but only if it is a raw options object that isn't
      // the result of another mergeOptions call.
      // Only merged options has the _base property.
      if (!child._base) {
        if (child.extends) {
          parent = mergeOptions(parent, child.extends, vm);
        }
        if (child.mixins) {
          for (var i = 0, l = child.mixins.length; i < l; i++) {
            parent = mergeOptions(parent, child.mixins[i], vm);
          }
        }
      }
  
      var options = {};
      var key;
      for (key in parent) {
        mergeField(key);
      }
      for (key in child) {
        if (!hasOwn(parent, key)) {
          mergeField(key);
        }
      }
      function mergeField (key) {
        var strat = strats[key] || defaultStrat;
        options[key] = strat(parent[key], child[key], vm, key);
      }
      return options
    }
  
    /**
     * Resolve an asset.
     * This function is used because child instances need access
     * to assets defined in its ancestor chain.
     */
    function resolveAsset (
      options,
      type,
      id,
      warnMissing
    ) {
      /* istanbul ignore if */
      if (typeof id !== 'string') {
        return
      }
      var assets = options[type];
      // check local registration variations first
      if (hasOwn(assets, id)) { return assets[id] }
      var camelizedId = camelize(id);
      if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
      var PascalCaseId = capitalize(camelizedId);
      if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
      // fallback to prototype chain
      var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
      if (warnMissing && !res) {
        warn(
          'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
          options
        );
      }
      return res
    }
  
    /*  */
  
  
  
    function validateProp (
      key,
      propOptions,
      propsData,
      vm
    ) {
      var prop = propOptions[key];
      var absent = !hasOwn(propsData, key);
      var value = propsData[key];
      // boolean casting
      var booleanIndex = getTypeIndex(Boolean, prop.type);
      if (booleanIndex > -1) {
        if (absent && !hasOwn(prop, 'default')) {
          value = false;
        } else if (value === '' || value === hyphenate(key)) {
          // only cast empty string / same name to boolean if
          // boolean has higher priority
          var stringIndex = getTypeIndex(String, prop.type);
          if (stringIndex < 0 || booleanIndex < stringIndex) {
            value = true;
          }
        }
      }
      // check default value
      if (value === undefined) {
        value = getPropDefaultValue(vm, prop, key);
        // since the default value is a fresh copy,
        // make sure to observe it.
        var prevShouldObserve = shouldObserve;
        toggleObserving(true);
        observe(value);
        toggleObserving(prevShouldObserve);
      }
      {
        assertProp(prop, key, value, vm, absent);
      }
      return value
    }
  
    /**
     * Get the default value of a prop.
     */
    function getPropDefaultValue (vm, prop, key) {
      // no default, return undefined
      if (!hasOwn(prop, 'default')) {
        return undefined
      }
      var def = prop.default;
      // warn against non-factory defaults for Object & Array
      if (isObject(def)) {
        warn(
          'Invalid default value for prop "' + key + '": ' +
          'Props with type Object/Array must use a factory function ' +
          'to return the default value.',
          vm
        );
      }
      // the raw prop value was also undefined from previous render,
      // return previous default value to avoid unnecessary watcher trigger
      if (vm && vm.$options.propsData &&
        vm.$options.propsData[key] === undefined &&
        vm._props[key] !== undefined
      ) {
        return vm._props[key]
      }
      // call factory function for non-Function types
      // a value is Function if its prototype is function even across different execution context
      return typeof def === 'function' && getType(prop.type) !== 'Function'
        ? def.call(vm)
        : def
    }
  
    /**
     * Assert whether a prop is valid.
     */
    function assertProp (
      prop,
      name,
      value,
      vm,
      absent
    ) {
      if (prop.required && absent) {
        warn(
          'Missing required prop: "' + name + '"',
          vm
        );
        return
      }
      if (value == null && !prop.required) {
        return
      }
      var type = prop.type;
      var valid = !type || type === true;
      var expectedTypes = [];
      if (type) {
        if (!Array.isArray(type)) {
          type = [type];
        }
        for (var i = 0; i < type.length && !valid; i++) {
          var assertedType = assertType(value, type[i]);
          expectedTypes.push(assertedType.expectedType || '');
          valid = assertedType.valid;
        }
      }
  
      if (!valid) {
        warn(
          getInvalidTypeMessage(name, value, expectedTypes),
          vm
        );
        return
      }
      var validator = prop.validator;
      if (validator) {
        if (!validator(value)) {
          warn(
            'Invalid prop: custom validator check failed for prop "' + name + '".',
            vm
          );
        }
      }
    }
  
    var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;
  
    function assertType (value, type) {
      var valid;
      var expectedType = getType(type);
      if (simpleCheckRE.test(expectedType)) {
        var t = typeof value;
        valid = t === expectedType.toLowerCase();
        // for primitive wrapper objects
        if (!valid && t === 'object') {
          valid = value instanceof type;
        }
      } else if (expectedType === 'Object') {
        valid = isPlainObject(value);
      } else if (expectedType === 'Array') {
        valid = Array.isArray(value);
      } else {
        valid = value instanceof type;
      }
      return {
        valid: valid,
        expectedType: expectedType
      }
    }
  
    /**
     * Use function string name to check built-in types,
     * because a simple equality check will fail when running
     * across different vms / iframes.
     */
    function getType (fn) {
      var match = fn && fn.toString().match(/^\s*function (\w+)/);
      return match ? match[1] : ''
    }
  
    function isSameType (a, b) {
      return getType(a) === getType(b)
    }
  
    function getTypeIndex (type, expectedTypes) {
      if (!Array.isArray(expectedTypes)) {
        return isSameType(expectedTypes, type) ? 0 : -1
      }
      for (var i = 0, len = expectedTypes.length; i < len; i++) {
        if (isSameType(expectedTypes[i], type)) {
          return i
        }
      }
      return -1
    }
  
    function getInvalidTypeMessage (name, value, expectedTypes) {
      var message = "Invalid prop: type check failed for prop \"" + name + "\"." +
        " Expected " + (expectedTypes.map(capitalize).join(', '));
      var expectedType = expectedTypes[0];
      var receivedType = toRawType(value);
      var expectedValue = styleValue(value, expectedType);
      var receivedValue = styleValue(value, receivedType);
      // check if we need to specify expected value
      if (expectedTypes.length === 1 &&
          isExplicable(expectedType) &&
          !isBoolean(expectedType, receivedType)) {
        message += " with value " + expectedValue;
      }
      message += ", got " + receivedType + " ";
      // check if we need to specify received value
      if (isExplicable(receivedType)) {
        message += "with value " + receivedValue + ".";
      }
      return message
    }
  
    function styleValue (value, type) {
      if (type === 'String') {
        return ("\"" + value + "\"")
      } else if (type === 'Number') {
        return ("" + (Number(value)))
      } else {
        return ("" + value)
      }
    }
  
    function isExplicable (value) {
      var explicitTypes = ['string', 'number', 'boolean'];
      return explicitTypes.some(function (elem) { return value.toLowerCase() === elem; })
    }
  
    function isBoolean () {
      var args = [], len = arguments.length;
      while ( len-- ) args[ len ] = arguments[ len ];
  
      return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; })
    }
  
    /*  */
  
    function handleError (err, vm, info) {
      // Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
      // See: https://github.com/vuejs/vuex/issues/1505
      pushTarget();
      try {
        if (vm) {
          var cur = vm;
          while ((cur = cur.$parent)) {
            var hooks = cur.$options.errorCaptured;
            if (hooks) {
              for (var i = 0; i < hooks.length; i++) {
                try {
                  var capture = hooks[i].call(cur, err, vm, info) === false;
                  if (capture) { return }
                } catch (e) {
                  globalHandleError(e, cur, 'errorCaptured hook');
                }
              }
            }
          }
        }
        globalHandleError(err, vm, info);
      } finally {
        popTarget();
      }
    }
  
    function invokeWithErrorHandling (
      handler,
      context,
      args,
      vm,
      info
    ) {
      var res;
      try {
        res = args ? handler.apply(context, args) : handler.call(context);
        if (res && !res._isVue && isPromise(res) && !res._handled) {
          res.catch(function (e) { return handleError(e, vm, info + " (Promise/async)"); });
          // issue #9511
          // avoid catch triggering multiple times when nested calls
          res._handled = true;
        }
      } catch (e) {
        handleError(e, vm, info);
      }
      return res
    }
  
    function globalHandleError (err, vm, info) {
      if (config.errorHandler) {
        try {
          return config.errorHandler.call(null, err, vm, info)
        } catch (e) {
          // if the user intentionally throws the original error in the handler,
          // do not log it twice
          if (e !== err) {
            logError(e, null, 'config.errorHandler');
          }
        }
      }
      logError(err, vm, info);
    }
  
    function logError (err, vm, info) {
      {
        warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
      }
      /* istanbul ignore else */
      if ((inBrowser || inWeex) && typeof console !== 'undefined') {
        console.error(err);
      } else {
        throw err
      }
    }
  
    /*  */
  
    var isUsingMicroTask = false;
  
    var callbacks = [];
    var pending = false;
  
    function flushCallbacks () {
      pending = false;
      var copies = callbacks.slice(0);
      callbacks.length = 0;
      for (var i = 0; i < copies.length; i++) {
        copies[i]();
      }
    }
  
    // Here we have async deferring wrappers using microtasks.
    // In 2.5 we used (macro) tasks (in combination with microtasks).
    // However, it has subtle problems when state is changed right before repaint
    // (e.g. #6813, out-in transitions).
    // Also, using (macro) tasks in event handler would cause some weird behaviors
    // that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).
    // So we now use microtasks everywhere, again.
    // A major drawback of this tradeoff is that there are some scenarios
    // where microtasks have too high a priority and fire in between supposedly
    // sequential events (e.g. #4521, #6690, which have workarounds)
    // or even between bubbling of the same event (#6566).
    var timerFunc;
  
    // The nextTick behavior leverages the microtask queue, which can be accessed
    // via either native Promise.then or MutationObserver.
    // MutationObserver has wider support, however it is seriously bugged in
    // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
    // completely stops working after triggering a few times... so, if native
    // Promise is available, we will use it:
    /* istanbul ignore next, $flow-disable-line */
    if (typeof Promise !== 'undefined' && isNative(Promise)) {
      var p = Promise.resolve();
      timerFunc = function () {
        p.then(flushCallbacks);
        // In problematic UIWebViews, Promise.then doesn't completely break, but
        // it can get stuck in a weird state where callbacks are pushed into the
        // microtask queue but the queue isn't being flushed, until the browser
        // needs to do some other work, e.g. handle a timer. Therefore we can
        // "force" the microtask queue to be flushed by adding an empty timer.
        if (isIOS) { setTimeout(noop); }
      };
      isUsingMicroTask = true;
    } else if (!isIE && typeof MutationObserver !== 'undefined' && (
      isNative(MutationObserver) ||
      // PhantomJS and iOS 7.x
      MutationObserver.toString() === '[object MutationObserverConstructor]'
    )) {
      // Use MutationObserver where native Promise is not available,
      // e.g. PhantomJS, iOS7, Android 4.4
      // (#6466 MutationObserver is unreliable in IE11)
      var counter = 1;
      var observer = new MutationObserver(flushCallbacks);
      var textNode = document.createTextNode(String(counter));
      observer.observe(textNode, {
        characterData: true
      });
      timerFunc = function () {
        counter = (counter + 1) % 2;
        textNode.data = String(counter);
      };
      isUsingMicroTask = true;
    } else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
      // Fallback to setImmediate.
      // Techinically it leverages the (macro) task queue,
      // but it is still a better choice than setTimeout.
      timerFunc = function () {
        setImmediate(flushCallbacks);
      };
    } else {
      // Fallback to setTimeout.
      timerFunc = function () {
        setTimeout(flushCallbacks, 0);
      };
    }
  
    function nextTick (cb, ctx) {
      var _resolve;
      callbacks.push(function () {
        if (cb) {
          try {
            cb.call(ctx);
          } catch (e) {
            handleError(e, ctx, 'nextTick');
          }
        } else if (_resolve) {
          _resolve(ctx);
        }
      });
      if (!pending) {
        pending = true;
        timerFunc();
      }
      // $flow-disable-line
      if (!cb && typeof Promise !== 'undefined') {
        return new Promise(function (resolve) {
          _resolve = resolve;
        })
      }
    }
  
    /*  */
  
    var mark;
    var measure;
  
    {
      var perf = inBrowser && window.performance;
      /* istanbul ignore if */
      if (
        perf &&
        perf.mark &&
        perf.measure &&
        perf.clearMarks &&
        perf.clearMeasures
      ) {
        mark = function (tag) { return perf.mark(tag); };
        measure = function (name, startTag, endTag) {
          perf.measure(name, startTag, endTag);
          perf.clearMarks(startTag);
          perf.clearMarks(endTag);
          // perf.clearMeasures(name)
        };
      }
    }
  
    /* not type checking this file because flow doesn't play well with Proxy */
  
    var initProxy;
  
    {
      var allowedGlobals = makeMap(
        'Infinity,undefined,NaN,isFinite,isNaN,' +
        'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
        'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
        'require' // for Webpack/Browserify
      );
  
      var warnNonPresent = function (target, key) {
        warn(
          "Property or method \"" + key + "\" is not defined on the instance but " +
          'referenced during render. Make sure that this property is reactive, ' +
          'either in the data option, or for class-based components, by ' +
          'initializing the property. ' +
          'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',
          target
        );
      };
  
      var warnReservedPrefix = function (target, key) {
        warn(
          "Property \"" + key + "\" must be accessed with \"$data." + key + "\" because " +
          'properties starting with "$" or "_" are not proxied in the Vue instance to ' +
          'prevent conflicts with Vue internals' +
          'See: https://vuejs.org/v2/api/#data',
          target
        );
      };
  
      var hasProxy =
        typeof Proxy !== 'undefined' && isNative(Proxy);
  
      if (hasProxy) {
        var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
        config.keyCodes = new Proxy(config.keyCodes, {
          set: function set (target, key, value) {
            if (isBuiltInModifier(key)) {
              warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
              return false
            } else {
              target[key] = value;
              return true
            }
          }
        });
      }
  
      var hasHandler = {
        has: function has (target, key) {
          var has = key in target;
          var isAllowed = allowedGlobals(key) ||
            (typeof key === 'string' && key.charAt(0) === '_' && !(key in target.$data));
          if (!has && !isAllowed) {
            if (key in target.$data) { warnReservedPrefix(target, key); }
            else { warnNonPresent(target, key); }
          }
          return has || !isAllowed
        }
      };
  
      var getHandler = {
        get: function get (target, key) {
          if (typeof key === 'string' && !(key in target)) {
            if (key in target.$data) { warnReservedPrefix(target, key); }
            else { warnNonPresent(target, key); }
          }
          return target[key]
        }
      };
  
      initProxy = function initProxy (vm) {
        if (hasProxy) {
          // determine which proxy handler to use
          var options = vm.$options;
          var handlers = options.render && options.render._withStripped
            ? getHandler
            : hasHandler;
          vm._renderProxy = new Proxy(vm, handlers);
        } else {
          vm._renderProxy = vm;
        }
      };
    }
  
    /*  */
  
    var seenObjects = new _Set();
  
    /**
     * Recursively traverse an object to evoke all converted
     * getters, so that every nested property inside the object
     * is collected as a "deep" dependency.
     */
    function traverse (val) {
      _traverse(val, seenObjects);
      seenObjects.clear();
    }
  
    function _traverse (val, seen) {
      var i, keys;
      var isA = Array.isArray(val);
      if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
        return
      }
      if (val.__ob__) {
        var depId = val.__ob__.dep.id;
        if (seen.has(depId)) {
          return
        }
        seen.add(depId);
      }
      if (isA) {
        i = val.length;
        while (i--) { _traverse(val[i], seen); }
      } else {
        keys = Object.keys(val);
        i = keys.length;
        while (i--) { _traverse(val[keys[i]], seen); }
      }
    }
  
    /*  */
  
    var normalizeEvent = cached(function (name) {
      var passive = name.charAt(0) === '&';
      name = passive ? name.slice(1) : name;
      var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
      name = once$$1 ? name.slice(1) : name;
      var capture = name.charAt(0) === '!';
      name = capture ? name.slice(1) : name;
      return {
        name: name,
        once: once$$1,
        capture: capture,
        passive: passive
      }
    });
  
    function createFnInvoker (fns, vm) {
      function invoker () {
        var arguments$1 = arguments;
  
        var fns = invoker.fns;
        if (Array.isArray(fns)) {
          var cloned = fns.slice();
          for (var i = 0; i < cloned.length; i++) {
            invokeWithErrorHandling(cloned[i], null, arguments$1, vm, "v-on handler");
          }
        } else {
          // return handler return value for single handlers
          return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler")
        }
      }
      invoker.fns = fns;
      return invoker
    }
  
    function updateListeners (
      on,
      oldOn,
      add,
      remove$$1,
      createOnceHandler,
      vm
    ) {
      var name, def$$1, cur, old, event;
      for (name in on) {
        def$$1 = cur = on[name];
        old = oldOn[name];
        event = normalizeEvent(name);
        if (isUndef(cur)) {
          warn(
            "Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
            vm
          );
        } else if (isUndef(old)) {
          if (isUndef(cur.fns)) {
            cur = on[name] = createFnInvoker(cur, vm);
          }
          if (isTrue(event.once)) {
            cur = on[name] = createOnceHandler(event.name, cur, event.capture);
          }
          add(event.name, cur, event.capture, event.passive, event.params);
        } else if (cur !== old) {
          old.fns = cur;
          on[name] = old;
        }
      }
      for (name in oldOn) {
        if (isUndef(on[name])) {
          event = normalizeEvent(name);
          remove$$1(event.name, oldOn[name], event.capture);
        }
      }
    }
  
    /*  */
  
    function mergeVNodeHook (def, hookKey, hook) {
      if (def instanceof VNode) {
        def = def.data.hook || (def.data.hook = {});
      }
      var invoker;
      var oldHook = def[hookKey];
  
      function wrappedHook () {
        hook.apply(this, arguments);
        // important: remove merged hook to ensure it's called only once
        // and prevent memory leak
        remove(invoker.fns, wrappedHook);
      }
  
      if (isUndef(oldHook)) {
        // no existing hook
        invoker = createFnInvoker([wrappedHook]);
      } else {
        /* istanbul ignore if */
        if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
          // already a merged invoker
          invoker = oldHook;
          invoker.fns.push(wrappedHook);
        } else {
          // existing plain hook
          invoker = createFnInvoker([oldHook, wrappedHook]);
        }
      }
  
      invoker.merged = true;
      def[hookKey] = invoker;
    }
  
    /*  */
  
    function extractPropsFromVNodeData (
      data,
      Ctor,
      tag
    ) {
      // we are only extracting raw values here.
      // validation and default values are handled in the child
      // component itself.
      var propOptions = Ctor.options.props;
      if (isUndef(propOptions)) {
        return
      }
      var res = {};
      var attrs = data.attrs;
      var props = data.props;
      if (isDef(attrs) || isDef(props)) {
        for (var key in propOptions) {
          var altKey = hyphenate(key);
          {
            var keyInLowerCase = key.toLowerCase();
            if (
              key !== keyInLowerCase &&
              attrs && hasOwn(attrs, keyInLowerCase)
            ) {
              tip(
                "Prop \"" + keyInLowerCase + "\" is passed to component " +
                (formatComponentName(tag || Ctor)) + ", but the declared prop name is" +
                " \"" + key + "\". " +
                "Note that HTML attributes are case-insensitive and camelCased " +
                "props need to use their kebab-case equivalents when using in-DOM " +
                "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"."
              );
            }
          }
          checkProp(res, props, key, altKey, true) ||
          checkProp(res, attrs, key, altKey, false);
        }
      }
      return res
    }
  
    function checkProp (
      res,
      hash,
      key,
      altKey,
      preserve
    ) {
      if (isDef(hash)) {
        if (hasOwn(hash, key)) {
          res[key] = hash[key];
          if (!preserve) {
            delete hash[key];
          }
          return true
        } else if (hasOwn(hash, altKey)) {
          res[key] = hash[altKey];
          if (!preserve) {
            delete hash[altKey];
          }
          return true
        }
      }
      return false
    }
  
    /*  */
  
    // The template compiler attempts to minimize the need for normalization by
    // statically analyzing the template at compile time.
    //
    // For plain HTML markup, normalization can be completely skipped because the
    // generated render function is guaranteed to return Array<VNode>. There are
    // two cases where extra normalization is needed:
  
    // 1. When the children contains components - because a functional component
    // may return an Array instead of a single root. In this case, just a simple
    // normalization is needed - if any child is an Array, we flatten the whole
    // thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
    // because functional components already normalize their own children.
    function simpleNormalizeChildren (children) {
      for (var i = 0; i < children.length; i++) {
        if (Array.isArray(children[i])) {
          return Array.prototype.concat.apply([], children)
        }
      }
      return children
    }
  
    // 2. When the children contains constructs that always generated nested Arrays,
    // e.g. <template>, <slot>, v-for, or when the children is provided by user
    // with hand-written render functions / JSX. In such cases a full normalization
    // is needed to cater to all possible types of children values.
    function normalizeChildren (children) {
      return isPrimitive(children)
        ? [createTextVNode(children)]
        : Array.isArray(children)
          ? normalizeArrayChildren(children)
          : undefined
    }
  
    function isTextNode (node) {
      return isDef(node) && isDef(node.text) && isFalse(node.isComment)
    }
  
    function normalizeArrayChildren (children, nestedIndex) {
      var res = [];
      var i, c, lastIndex, last;
      for (i = 0; i < children.length; i++) {
        c = children[i];
        if (isUndef(c) || typeof c === 'boolean') { continue }
        lastIndex = res.length - 1;
        last = res[lastIndex];
        //  nested
        if (Array.isArray(c)) {
          if (c.length > 0) {
            c = normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i));
            // merge adjacent text nodes
            if (isTextNode(c[0]) && isTextNode(last)) {
              res[lastIndex] = createTextVNode(last.text + (c[0]).text);
              c.shift();
            }
            res.push.apply(res, c);
          }
        } else if (isPrimitive(c)) {
          if (isTextNode(last)) {
            // merge adjacent text nodes
            // this is necessary for SSR hydration because text nodes are
            // essentially merged when rendered to HTML strings
            res[lastIndex] = createTextVNode(last.text + c);
          } else if (c !== '') {
            // convert primitive to vnode
            res.push(createTextVNode(c));
          }
        } else {
          if (isTextNode(c) && isTextNode(last)) {
            // merge adjacent text nodes
            res[lastIndex] = createTextVNode(last.text + c.text);
          } else {
            // default key for nested array children (likely generated by v-for)
            if (isTrue(children._isVList) &&
              isDef(c.tag) &&
              isUndef(c.key) &&
              isDef(nestedIndex)) {
              c.key = "__vlist" + nestedIndex + "_" + i + "__";
            }
            res.push(c);
          }
        }
      }
      return res
    }
  
    /*  */
  
    function initProvide (vm) {
      var provide = vm.$options.provide;
      if (provide) {
        vm._provided = typeof provide === 'function'
          ? provide.call(vm)
          : provide;
      }
    }
  
    function initInjections (vm) {
      var result = resolveInject(vm.$options.inject, vm);
      if (result) {
        toggleObserving(false);
        Object.keys(result).forEach(function (key) {
          /* istanbul ignore else */
          {
            defineReactive$$1(vm, key, result[key], function () {
              warn(
                "Avoid mutating an injected value directly since the changes will be " +
                "overwritten whenever the provided component re-renders. " +
                "injection being mutated: \"" + key + "\"",
                vm
              );
            });
          }
        });
        toggleObserving(true);
      }
    }
  
    function resolveInject (inject, vm) {
      if (inject) {
        // inject is :any because flow is not smart enough to figure out cached
        var result = Object.create(null);
        var keys = hasSymbol
          ? Reflect.ownKeys(inject)
          : Object.keys(inject);
  
        for (var i = 0; i < keys.length; i++) {
          var key = keys[i];
          // #6574 in case the inject object is observed...
          if (key === '__ob__') { continue }
          var provideKey = inject[key].from;
          var source = vm;
          while (source) {
            if (source._provided && hasOwn(source._provided, provideKey)) {
              result[key] = source._provided[provideKey];
              break
            }
            source = source.$parent;
          }
          if (!source) {
            if ('default' in inject[key]) {
              var provideDefault = inject[key].default;
              result[key] = typeof provideDefault === 'function'
                ? provideDefault.call(vm)
                : provideDefault;
            } else {
              warn(("Injection \"" + key + "\" not found"), vm);
            }
          }
        }
        return result
      }
    }
  
    /*  */
  
  
  
    /**
     * Runtime helper for resolving raw children VNodes into a slot object.
     */
    function resolveSlots (
      children,
      context
    ) {
      if (!children || !children.length) {
        return {}
      }
      var slots = {};
      for (var i = 0, l = children.length; i < l; i++) {
        var child = children[i];
        var data = child.data;
        // remove slot attribute if the node is resolved as a Vue slot node
        if (data && data.attrs && data.attrs.slot) {
          delete data.attrs.slot;
        }
        // named slots should only be respected if the vnode was rendered in the
        // same context.
        if ((child.context === context || child.fnContext === context) &&
          data && data.slot != null
        ) {
          var name = data.slot;
          var slot = (slots[name] || (slots[name] = []));
          if (child.tag === 'template') {
            slot.push.apply(slot, child.children || []);
          } else {
            slot.push(child);
          }
        } else {
          (slots.default || (slots.default = [])).push(child);
        }
      }
      // ignore slots that contains only whitespace
      for (var name$1 in slots) {
        if (slots[name$1].every(isWhitespace)) {
          delete slots[name$1];
        }
      }
      return slots
    }
  
    function isWhitespace (node) {
      return (node.isComment && !node.asyncFactory) || node.text === ' '
    }
  
    /*  */
  
    function normalizeScopedSlots (
      slots,
      normalSlots,
      prevSlots
    ) {
      var res;
      var hasNormalSlots = Object.keys(normalSlots).length > 0;
      var isStable = slots ? !!slots.$stable : !hasNormalSlots;
      var key = slots && slots.$key;
      if (!slots) {
        res = {};
      } else if (slots._normalized) {
        // fast path 1: child component re-render only, parent did not change
        return slots._normalized
      } else if (
        isStable &&
        prevSlots &&
        prevSlots !== emptyObject &&
        key === prevSlots.$key &&
        !hasNormalSlots &&
        !prevSlots.$hasNormal
      ) {
        // fast path 2: stable scoped slots w/ no normal slots to proxy,
        // only need to normalize once
        return prevSlots
      } else {
        res = {};
        for (var key$1 in slots) {
          if (slots[key$1] && key$1[0] !== '$') {
            res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]);
          }
        }
      }
      // expose normal slots on scopedSlots
      for (var key$2 in normalSlots) {
        if (!(key$2 in res)) {
          res[key$2] = proxyNormalSlot(normalSlots, key$2);
        }
      }
      // avoriaz seems to mock a non-extensible $scopedSlots object
      // and when that is passed down this would cause an error
      if (slots && Object.isExtensible(slots)) {
        (slots)._normalized = res;
      }
      def(res, '$stable', isStable);
      def(res, '$key', key);
      def(res, '$hasNormal', hasNormalSlots);
      return res
    }
  
    function normalizeScopedSlot(normalSlots, key, fn) {
      var normalized = function () {
        var res = arguments.length ? fn.apply(null, arguments) : fn({});
        res = res && typeof res === 'object' && !Array.isArray(res)
          ? [res] // single vnode
          : normalizeChildren(res);
        return res && (
          res.length === 0 ||
          (res.length === 1 && res[0].isComment) // #9658
        ) ? undefined
          : res
      };
      // this is a slot using the new v-slot syntax without scope. although it is
      // compiled as a scoped slot, render fn users would expect it to be present
      // on this.$slots because the usage is semantically a normal slot.
      if (fn.proxy) {
        Object.defineProperty(normalSlots, key, {
          get: normalized,
          enumerable: true,
          configurable: true
        });
      }
      return normalized
    }
  
    function proxyNormalSlot(slots, key) {
      return function () { return slots[key]; }
    }
  
    /*  */
  
    /**
     * Runtime helper for rendering v-for lists.
     */
    function renderList (
      val,
      render
    ) {
      var ret, i, l, keys, key;
      if (Array.isArray(val) || typeof val === 'string') {
        ret = new Array(val.length);
        for (i = 0, l = val.length; i < l; i++) {
          ret[i] = render(val[i], i);
        }
      } else if (typeof val === 'number') {
        ret = new Array(val);
        for (i = 0; i < val; i++) {
          ret[i] = render(i + 1, i);
        }
      } else if (isObject(val)) {
        if (hasSymbol && val[Symbol.iterator]) {
          ret = [];
          var iterator = val[Symbol.iterator]();
          var result = iterator.next();
          while (!result.done) {
            ret.push(render(result.value, ret.length));
            result = iterator.next();
          }
        } else {
          keys = Object.keys(val);
          ret = new Array(keys.length);
          for (i = 0, l = keys.length; i < l; i++) {
            key = keys[i];
            ret[i] = render(val[key], key, i);
          }
        }
      }
      if (!isDef(ret)) {
        ret = [];
      }
      (ret)._isVList = true;
      return ret
    }
  
    /*  */
  
    /**
     * Runtime helper for rendering <slot>
     */
    function renderSlot (
      name,
      fallback,
      props,
      bindObject
    ) {
      var scopedSlotFn = this.$scopedSlots[name];
      var nodes;
      if (scopedSlotFn) { // scoped slot
        props = props || {};
        if (bindObject) {
          if (!isObject(bindObject)) {
            warn(
              'slot v-bind without argument expects an Object',
              this
            );
          }
          props = extend(extend({}, bindObject), props);
        }
        nodes = scopedSlotFn(props) || fallback;
      } else {
        nodes = this.$slots[name] || fallback;
      }
  
      var target = props && props.slot;
      if (target) {
        return this.$createElement('template', { slot: target }, nodes)
      } else {
        return nodes
      }
    }
  
    /*  */
  
    /**
     * Runtime helper for resolving filters
     */
    function resolveFilter (id) {
      return resolveAsset(this.$options, 'filters', id, true) || identity
    }
  
    /*  */
  
    function isKeyNotMatch (expect, actual) {
      if (Array.isArray(expect)) {
        return expect.indexOf(actual) === -1
      } else {
        return expect !== actual
      }
    }
  
    /**
     * Runtime helper for checking keyCodes from config.
     * exposed as Vue.prototype._k
     * passing in eventKeyName as last argument separately for backwards compat
     */
    function checkKeyCodes (
      eventKeyCode,
      key,
      builtInKeyCode,
      eventKeyName,
      builtInKeyName
    ) {
      var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
      if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
        return isKeyNotMatch(builtInKeyName, eventKeyName)
      } else if (mappedKeyCode) {
        return isKeyNotMatch(mappedKeyCode, eventKeyCode)
      } else if (eventKeyName) {
        return hyphenate(eventKeyName) !== key
      }
    }
  
    /*  */
  
    /**
     * Runtime helper for merging v-bind="object" into a VNode's data.
     */
    function bindObjectProps (
      data,
      tag,
      value,
      asProp,
      isSync
    ) {
      if (value) {
        if (!isObject(value)) {
          warn(
            'v-bind without argument expects an Object or Array value',
            this
          );
        } else {
          if (Array.isArray(value)) {
            value = toObject(value);
          }
          var hash;
          var loop = function ( key ) {
            if (
              key === 'class' ||
              key === 'style' ||
              isReservedAttribute(key)
            ) {
              hash = data;
            } else {
              var type = data.attrs && data.attrs.type;
              hash = asProp || config.mustUseProp(tag, type, key)
                ? data.domProps || (data.domProps = {})
                : data.attrs || (data.attrs = {});
            }
            var camelizedKey = camelize(key);
            var hyphenatedKey = hyphenate(key);
            if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
              hash[key] = value[key];
  
              if (isSync) {
                var on = data.on || (data.on = {});
                on[("update:" + key)] = function ($event) {
                  value[key] = $event;
                };
              }
            }
          };
  
          for (var key in value) loop( key );
        }
      }
      return data
    }
  
    /*  */
  
    /**
     * Runtime helper for rendering static trees.
     */
    function renderStatic (
      index,
      isInFor
    ) {
      var cached = this._staticTrees || (this._staticTrees = []);
      var tree = cached[index];
      // if has already-rendered static tree and not inside v-for,
      // we can reuse the same tree.
      if (tree && !isInFor) {
        return tree
      }
      // otherwise, render a fresh tree.
      tree = cached[index] = this.$options.staticRenderFns[index].call(
        this._renderProxy,
        null,
        this // for render fns generated for functional component templates
      );
      markStatic(tree, ("__static__" + index), false);
      return tree
    }
  
    /**
     * Runtime helper for v-once.
     * Effectively it means marking the node as static with a unique key.
     */
    function markOnce (
      tree,
      index,
      key
    ) {
      markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
      return tree
    }
  
    function markStatic (
      tree,
      key,
      isOnce
    ) {
      if (Array.isArray(tree)) {
        for (var i = 0; i < tree.length; i++) {
          if (tree[i] && typeof tree[i] !== 'string') {
            markStaticNode(tree[i], (key + "_" + i), isOnce);
          }
        }
      } else {
        markStaticNode(tree, key, isOnce);
      }
    }
  
    function markStaticNode (node, key, isOnce) {
      node.isStatic = true;
      node.key = key;
      node.isOnce = isOnce;
    }
  
    /*  */
  
    function bindObjectListeners (data, value) {
      if (value) {
        if (!isPlainObject(value)) {
          warn(
            'v-on without argument expects an Object value',
            this
          );
        } else {
          var on = data.on = data.on ? extend({}, data.on) : {};
          for (var key in value) {
            var existing = on[key];
            var ours = value[key];
            on[key] = existing ? [].concat(existing, ours) : ours;
          }
        }
      }
      return data
    }
  
    /*  */
  
    function resolveScopedSlots (
      fns, // see flow/vnode
      res,
      // the following are added in 2.6
      hasDynamicKeys,
      contentHashKey
    ) {
      res = res || { $stable: !hasDynamicKeys };
      for (var i = 0; i < fns.length; i++) {
        var slot = fns[i];
        if (Array.isArray(slot)) {
          resolveScopedSlots(slot, res, hasDynamicKeys);
        } else if (slot) {
          // marker for reverse proxying v-slot without scope on this.$slots
          if (slot.proxy) {
            slot.fn.proxy = true;
          }
          res[slot.key] = slot.fn;
        }
      }
      if (contentHashKey) {
        (res).$key = contentHashKey;
      }
      return res
    }
  
    /*  */
  
    function bindDynamicKeys (baseObj, values) {
      for (var i = 0; i < values.length; i += 2) {
        var key = values[i];
        if (typeof key === 'string' && key) {
          baseObj[values[i]] = values[i + 1];
        } else if (key !== '' && key !== null) {
          // null is a speical value for explicitly removing a binding
          warn(
            ("Invalid value for dynamic directive argument (expected string or null): " + key),
            this
          );
        }
      }
      return baseObj
    }
  
    // helper to dynamically append modifier runtime markers to event names.
    // ensure only append when value is already string, otherwise it will be cast
    // to string and cause the type check to miss.
    function prependModifier (value, symbol) {
      return typeof value === 'string' ? symbol + value : value
    }
  
    /*  */
  
    function installRenderHelpers (target) {
      target._o = markOnce;
      target._n = toNumber;
      target._s = toString;
      target._l = renderList;
      target._t = renderSlot;
      target._q = looseEqual;
      target._i = looseIndexOf;
      target._m = renderStatic;
      target._f = resolveFilter;
      target._k = checkKeyCodes;
      target._b = bindObjectProps;
      target._v = createTextVNode;
      target._e = createEmptyVNode;
      target._u = resolveScopedSlots;
      target._g = bindObjectListeners;
      target._d = bindDynamicKeys;
      target._p = prependModifier;
    }
  
    /*  */
  
    function FunctionalRenderContext (
      data,
      props,
      children,
      parent,
      Ctor
    ) {
      var this$1 = this;
  
      var options = Ctor.options;
      // ensure the createElement function in functional components
      // gets a unique context - this is necessary for correct named slot check
      var contextVm;
      if (hasOwn(parent, '_uid')) {
        contextVm = Object.create(parent);
        // $flow-disable-line
        contextVm._original = parent;
      } else {
        // the context vm passed in is a functional context as well.
        // in this case we want to make sure we are able to get a hold to the
        // real context instance.
        contextVm = parent;
        // $flow-disable-line
        parent = parent._original;
      }
      var isCompiled = isTrue(options._compiled);
      var needNormalization = !isCompiled;
  
      this.data = data;
      this.props = props;
      this.children = children;
      this.parent = parent;
      this.listeners = data.on || emptyObject;
      this.injections = resolveInject(options.inject, parent);
      this.slots = function () {
        if (!this$1.$slots) {
          normalizeScopedSlots(
            data.scopedSlots,
            this$1.$slots = resolveSlots(children, parent)
          );
        }
        return this$1.$slots
      };
  
      Object.defineProperty(this, 'scopedSlots', ({
        enumerable: true,
        get: function get () {
          return normalizeScopedSlots(data.scopedSlots, this.slots())
        }
      }));
  
      // support for compiled functional template
      if (isCompiled) {
        // exposing $options for renderStatic()
        this.$options = options;
        // pre-resolve slots for renderSlot()
        this.$slots = this.slots();
        this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);
      }
  
      if (options._scopeId) {
        this._c = function (a, b, c, d) {
          var vnode = createElement(contextVm, a, b, c, d, needNormalization);
          if (vnode && !Array.isArray(vnode)) {
            vnode.fnScopeId = options._scopeId;
            vnode.fnContext = parent;
          }
          return vnode
        };
      } else {
        this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };
      }
    }
  
    installRenderHelpers(FunctionalRenderContext.prototype);
  
    function createFunctionalComponent (
      Ctor,
      propsData,
      data,
      contextVm,
      children
    ) {
      var options = Ctor.options;
      var props = {};
      var propOptions = options.props;
      if (isDef(propOptions)) {
        for (var key in propOptions) {
          props[key] = validateProp(key, propOptions, propsData || emptyObject);
        }
      } else {
        if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
        if (isDef(data.props)) { mergeProps(props, data.props); }
      }
  
      var renderContext = new FunctionalRenderContext(
        data,
        props,
        children,
        contextVm,
        Ctor
      );
  
      var vnode = options.render.call(null, renderContext._c, renderContext);
  
      if (vnode instanceof VNode) {
        return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext)
      } else if (Array.isArray(vnode)) {
        var vnodes = normalizeChildren(vnode) || [];
        var res = new Array(vnodes.length);
        for (var i = 0; i < vnodes.length; i++) {
          res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
        }
        return res
      }
    }
  
    function cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {
      // #7817 clone node before setting fnContext, otherwise if the node is reused
      // (e.g. it was from a cached normal slot) the fnContext causes named slots
      // that should not be matched to match.
      var clone = cloneVNode(vnode);
      clone.fnContext = contextVm;
      clone.fnOptions = options;
      {
        (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;
      }
      if (data.slot) {
        (clone.data || (clone.data = {})).slot = data.slot;
      }
      return clone
    }
  
    function mergeProps (to, from) {
      for (var key in from) {
        to[camelize(key)] = from[key];
      }
    }
  
    /*  */
  
    /*  */
  
    /*  */
  
    /*  */
  
    // inline hooks to be invoked on component VNodes during patch
    var componentVNodeHooks = {
      init: function init (vnode, hydrating) {
        if (
          vnode.componentInstance &&
          !vnode.componentInstance._isDestroyed &&
          vnode.data.keepAlive
        ) {
          // kept-alive components, treat as a patch
          var mountedNode = vnode; // work around flow
          componentVNodeHooks.prepatch(mountedNode, mountedNode);
        } else {
          var child = vnode.componentInstance = createComponentInstanceForVnode(
            vnode,
            activeInstance
          );
          child.$mount(hydrating ? vnode.elm : undefined, hydrating);
        }
      },
  
      prepatch: function prepatch (oldVnode, vnode) {
        var options = vnode.componentOptions;
        var child = vnode.componentInstance = oldVnode.componentInstance;
        updateChildComponent(
          child,
          options.propsData, // updated props
          options.listeners, // updated listeners
          vnode, // new parent vnode
          options.children // new children
        );
      },
  
      insert: function insert (vnode) {
        var context = vnode.context;
        var componentInstance = vnode.componentInstance;
        if (!componentInstance._isMounted) {
          componentInstance._isMounted = true;
          callHook(componentInstance, 'mounted');
        }
        if (vnode.data.keepAlive) {
          if (context._isMounted) {
            // vue-router#1212
            // During updates, a kept-alive component's child components may
            // change, so directly walking the tree here may call activated hooks
            // on incorrect children. Instead we push them into a queue which will
            // be processed after the whole patch process ended.
            queueActivatedComponent(componentInstance);
          } else {
            activateChildComponent(componentInstance, true /* direct */);
          }
        }
      },
  
      destroy: function destroy (vnode) {
        var componentInstance = vnode.componentInstance;
        if (!componentInstance._isDestroyed) {
          if (!vnode.data.keepAlive) {
            componentInstance.$destroy();
          } else {
            deactivateChildComponent(componentInstance, true /* direct */);
          }
        }
      }
    };
  
    var hooksToMerge = Object.keys(componentVNodeHooks);
  
    function createComponent (
      Ctor,
      data,
      context,
      children,
      tag
    ) {
      if (isUndef(Ctor)) {
        return
      }
  
      var baseCtor = context.$options._base;
  
      // plain options object: turn it into a constructor
      if (isObject(Ctor)) {
        Ctor = baseCtor.extend(Ctor);
      }
  
      // if at this stage it's not a constructor or an async component factory,
      // reject.
      if (typeof Ctor !== 'function') {
        {
          warn(("Invalid Component definition: " + (String(Ctor))), context);
        }
        return
      }
  
      // async component
      var asyncFactory;
      if (isUndef(Ctor.cid)) {
        asyncFactory = Ctor;
        Ctor = resolveAsyncComponent(asyncFactory, baseCtor);
        if (Ctor === undefined) {
          // return a placeholder node for async component, which is rendered
          // as a comment node but preserves all the raw information for the node.
          // the information will be used for async server-rendering and hydration.
          return createAsyncPlaceholder(
            asyncFactory,
            data,
            context,
            children,
            tag
          )
        }
      }
  
      data = data || {};
  
      // resolve constructor options in case global mixins are applied after
      // component constructor creation
      resolveConstructorOptions(Ctor);
  
      // transform component v-model data into props & events
      if (isDef(data.model)) {
        transformModel(Ctor.options, data);
      }
  
      // extract props
      var propsData = extractPropsFromVNodeData(data, Ctor, tag);
  
      // functional component
      if (isTrue(Ctor.options.functional)) {
        return createFunctionalComponent(Ctor, propsData, data, context, children)
      }
  
      // extract listeners, since these needs to be treated as
      // child component listeners instead of DOM listeners
      var listeners = data.on;
      // replace with listeners with .native modifier
      // so it gets processed during parent component patch.
      data.on = data.nativeOn;
  
      if (isTrue(Ctor.options.abstract)) {
        // abstract components do not keep anything
        // other than props & listeners & slot
  
        // work around flow
        var slot = data.slot;
        data = {};
        if (slot) {
          data.slot = slot;
        }
      }
  
      // install component management hooks onto the placeholder node
      installComponentHooks(data);
  
      // return a placeholder vnode
      var name = Ctor.options.name || tag;
      var vnode = new VNode(
        ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
        data, undefined, undefined, undefined, context,
        { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
        asyncFactory
      );
  
      return vnode
    }
  
    function createComponentInstanceForVnode (
      vnode, // we know it's MountedComponentVNode but flow doesn't
      parent // activeInstance in lifecycle state
    ) {
      var options = {
        _isComponent: true,
        _parentVnode: vnode,
        parent: parent
      };
      // check inline-template render functions
      var inlineTemplate = vnode.data.inlineTemplate;
      if (isDef(inlineTemplate)) {
        options.render = inlineTemplate.render;
        options.staticRenderFns = inlineTemplate.staticRenderFns;
      }
      return new vnode.componentOptions.Ctor(options)
    }
  
    function installComponentHooks (data) {
      var hooks = data.hook || (data.hook = {});
      for (var i = 0; i < hooksToMerge.length; i++) {
        var key = hooksToMerge[i];
        var existing = hooks[key];
        var toMerge = componentVNodeHooks[key];
        if (existing !== toMerge && !(existing && existing._merged)) {
          hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
        }
      }
    }
  
    function mergeHook$1 (f1, f2) {
      var merged = function (a, b) {
        // flow complains about extra args which is why we use any
        f1(a, b);
        f2(a, b);
      };
      merged._merged = true;
      return merged
    }
  
    // transform component v-model info (value and callback) into
    // prop and event handler respectively.
    function transformModel (options, data) {
      var prop = (options.model && options.model.prop) || 'value';
      var event = (options.model && options.model.event) || 'input'
      ;(data.attrs || (data.attrs = {}))[prop] = data.model.value;
      var on = data.on || (data.on = {});
      var existing = on[event];
      var callback = data.model.callback;
      if (isDef(existing)) {
        if (
          Array.isArray(existing)
            ? existing.indexOf(callback) === -1
            : existing !== callback
        ) {
          on[event] = [callback].concat(existing);
        }
      } else {
        on[event] = callback;
      }
    }
  
    /*  */
  
    var SIMPLE_NORMALIZE = 1;
    var ALWAYS_NORMALIZE = 2;
  
    // wrapper function for providing a more flexible interface
    // without getting yelled at by flow
    function createElement (
      context,
      tag,
      data,
      children,
      normalizationType,
      alwaysNormalize
    ) {
      if (Array.isArray(data) || isPrimitive(data)) {
        normalizationType = children;
        children = data;
        data = undefined;
      }
      if (isTrue(alwaysNormalize)) {
        normalizationType = ALWAYS_NORMALIZE;
      }
      return _createElement(context, tag, data, children, normalizationType)
    }
  
    function _createElement (
      context,
      tag,
      data,
      children,
      normalizationType
    ) {
      if (isDef(data) && isDef((data).__ob__)) {
        warn(
          "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
          'Always create fresh vnode data objects in each render!',
          context
        );
        return createEmptyVNode()
      }
      // object syntax in v-bind
      if (isDef(data) && isDef(data.is)) {
        tag = data.is;
      }
      if (!tag) {
        // in case of component :is set to falsy value
        return createEmptyVNode()
      }
      // warn against non-primitive key
      if (isDef(data) && isDef(data.key) && !isPrimitive(data.key)
      ) {
        {
          warn(
            'Avoid using non-primitive value as key, ' +
            'use string/number value instead.',
            context
          );
        }
      }
      // support single function children as default scoped slot
      if (Array.isArray(children) &&
        typeof children[0] === 'function'
      ) {
        data = data || {};
        data.scopedSlots = { default: children[0] };
        children.length = 0;
      }
      if (normalizationType === ALWAYS_NORMALIZE) {
        children = normalizeChildren(children);
      } else if (normalizationType === SIMPLE_NORMALIZE) {
        children = simpleNormalizeChildren(children);
      }
      var vnode, ns;
      if (typeof tag === 'string') {
        var Ctor;
        ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
        if (config.isReservedTag(tag)) {
          // platform built-in elements
          vnode = new VNode(
            config.parsePlatformTagName(tag), data, children,
            undefined, undefined, context
          );
        } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
          // component
          vnode = createComponent(Ctor, data, context, children, tag);
        } else {
          // unknown or unlisted namespaced elements
          // check at runtime because it may get assigned a namespace when its
          // parent normalizes children
          vnode = new VNode(
            tag, data, children,
            undefined, undefined, context
          );
        }
      } else {
        // direct component options / constructor
        vnode = createComponent(tag, data, context, children);
      }
      if (Array.isArray(vnode)) {
        return vnode
      } else if (isDef(vnode)) {
        if (isDef(ns)) { applyNS(vnode, ns); }
        if (isDef(data)) { registerDeepBindings(data); }
        return vnode
      } else {
        return createEmptyVNode()
      }
    }
  
    function applyNS (vnode, ns, force) {
      vnode.ns = ns;
      if (vnode.tag === 'foreignObject') {
        // use default namespace inside foreignObject
        ns = undefined;
        force = true;
      }
      if (isDef(vnode.children)) {
        for (var i = 0, l = vnode.children.length; i < l; i++) {
          var child = vnode.children[i];
          if (isDef(child.tag) && (
            isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
            applyNS(child, ns, force);
          }
        }
      }
    }
  
    // ref #5318
    // necessary to ensure parent re-render when deep bindings like :style and
    // :class are used on slot nodes
    function registerDeepBindings (data) {
      if (isObject(data.style)) {
        traverse(data.style);
      }
      if (isObject(data.class)) {
        traverse(data.class);
      }
    }
  
    /*  */
  
    function initRender (vm) {
      vm._vnode = null; // the root of the child tree
      vm._staticTrees = null; // v-once cached trees
      var options = vm.$options;
      var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree
      var renderContext = parentVnode && parentVnode.context;
      vm.$slots = resolveSlots(options._renderChildren, renderContext);
      vm.$scopedSlots = emptyObject;
      // bind the createElement fn to this instance
      // so that we get proper render context inside it.
      // args order: tag, data, children, normalizationType, alwaysNormalize
      // internal version is used by render functions compiled from templates
      vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
      // normalization is always applied for the public version, used in
      // user-written render functions.
      vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };
  
      // $attrs & $listeners are exposed for easier HOC creation.
      // they need to be reactive so that HOCs using them are always updated
      var parentData = parentVnode && parentVnode.data;
  
      /* istanbul ignore else */
      {
        defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
          !isUpdatingChildComponent && warn("$attrs is readonly.", vm);
        }, true);
        defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () {
          !isUpdatingChildComponent && warn("$listeners is readonly.", vm);
        }, true);
      }
    }
  
    var currentRenderingInstance = null;
  
    function renderMixin (Vue) {
      // install runtime convenience helpers
      installRenderHelpers(Vue.prototype);
  
      Vue.prototype.$nextTick = function (fn) {
        return nextTick(fn, this)
      };
  
      Vue.prototype._render = function () {
        var vm = this;
        var ref = vm.$options;
        var render = ref.render;
        var _parentVnode = ref._parentVnode;
  
        if (_parentVnode) {
          vm.$scopedSlots = normalizeScopedSlots(
            _parentVnode.data.scopedSlots,
            vm.$slots,
            vm.$scopedSlots
          );
        }
  
        // set parent vnode. this allows render functions to have access
        // to the data on the placeholder node.
        vm.$vnode = _parentVnode;
        // render self
        var vnode;
        try {
          // There's no need to maintain a stack becaues all render fns are called
          // separately from one another. Nested component's render fns are called
          // when parent component is patched.
          currentRenderingInstance = vm;
          vnode = render.call(vm._renderProxy, vm.$createElement);
        } catch (e) {
          handleError(e, vm, "render");
          // return error render result,
          // or previous vnode to prevent render error causing blank component
          /* istanbul ignore else */
          if (vm.$options.renderError) {
            try {
              vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);
            } catch (e) {
              handleError(e, vm, "renderError");
              vnode = vm._vnode;
            }
          } else {
            vnode = vm._vnode;
          }
        } finally {
          currentRenderingInstance = null;
        }
        // if the returned array contains only a single node, allow it
        if (Array.isArray(vnode) && vnode.length === 1) {
          vnode = vnode[0];
        }
        // return empty vnode in case the render function errored out
        if (!(vnode instanceof VNode)) {
          if (Array.isArray(vnode)) {
            warn(
              'Multiple root nodes returned from render function. Render function ' +
              'should return a single root node.',
              vm
            );
          }
          vnode = createEmptyVNode();
        }
        // set parent
        vnode.parent = _parentVnode;
        return vnode
      };
    }
  
    /*  */
  
    function ensureCtor (comp, base) {
      if (
        comp.__esModule ||
        (hasSymbol && comp[Symbol.toStringTag] === 'Module')
      ) {
        comp = comp.default;
      }
      return isObject(comp)
        ? base.extend(comp)
        : comp
    }
  
    function createAsyncPlaceholder (
      factory,
      data,
      context,
      children,
      tag
    ) {
      var node = createEmptyVNode();
      node.asyncFactory = factory;
      node.asyncMeta = { data: data, context: context, children: children, tag: tag };
      return node
    }
  
    function resolveAsyncComponent (
      factory,
      baseCtor
    ) {
      if (isTrue(factory.error) && isDef(factory.errorComp)) {
        return factory.errorComp
      }
  
      if (isDef(factory.resolved)) {
        return factory.resolved
      }
  
      var owner = currentRenderingInstance;
      if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {
        // already pending
        factory.owners.push(owner);
      }
  
      if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
        return factory.loadingComp
      }
  
      if (owner && !isDef(factory.owners)) {
        var owners = factory.owners = [owner];
        var sync = true;
        var timerLoading = null;
        var timerTimeout = null
  
        ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });
  
        var forceRender = function (renderCompleted) {
          for (var i = 0, l = owners.length; i < l; i++) {
            (owners[i]).$forceUpdate();
          }
  
          if (renderCompleted) {
            owners.length = 0;
            if (timerLoading !== null) {
              clearTimeout(timerLoading);
              timerLoading = null;
            }
            if (timerTimeout !== null) {
              clearTimeout(timerTimeout);
              timerTimeout = null;
            }
          }
        };
  
        var resolve = once(function (res) {
          // cache resolved
          factory.resolved = ensureCtor(res, baseCtor);
          // invoke callbacks only if this is not a synchronous resolve
          // (async resolves are shimmed as synchronous during SSR)
          if (!sync) {
            forceRender(true);
          } else {
            owners.length = 0;
          }
        });
  
        var reject = once(function (reason) {
          warn(
            "Failed to resolve async component: " + (String(factory)) +
            (reason ? ("\nReason: " + reason) : '')
          );
          if (isDef(factory.errorComp)) {
            factory.error = true;
            forceRender(true);
          }
        });
  
        var res = factory(resolve, reject);
  
        if (isObject(res)) {
          if (isPromise(res)) {
            // () => Promise
            if (isUndef(factory.resolved)) {
              res.then(resolve, reject);
            }
          } else if (isPromise(res.component)) {
            res.component.then(resolve, reject);
  
            if (isDef(res.error)) {
              factory.errorComp = ensureCtor(res.error, baseCtor);
            }
  
            if (isDef(res.loading)) {
              factory.loadingComp = ensureCtor(res.loading, baseCtor);
              if (res.delay === 0) {
                factory.loading = true;
              } else {
                timerLoading = setTimeout(function () {
                  timerLoading = null;
                  if (isUndef(factory.resolved) && isUndef(factory.error)) {
                    factory.loading = true;
                    forceRender(false);
                  }
                }, res.delay || 200);
              }
            }
  
            if (isDef(res.timeout)) {
              timerTimeout = setTimeout(function () {
                timerTimeout = null;
                if (isUndef(factory.resolved)) {
                  reject(
                    "timeout (" + (res.timeout) + "ms)"
                  );
                }
              }, res.timeout);
            }
          }
        }
  
        sync = false;
        // return in case resolved synchronously
        return factory.loading
          ? factory.loadingComp
          : factory.resolved
      }
    }
  
    /*  */
  
    function isAsyncPlaceholder (node) {
      return node.isComment && node.asyncFactory
    }
  
    /*  */
  
    function getFirstComponentChild (children) {
      if (Array.isArray(children)) {
        for (var i = 0; i < children.length; i++) {
          var c = children[i];
          if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
            return c
          }
        }
      }
    }
  
    /*  */
  
    /*  */
  
    function initEvents (vm) {
      vm._events = Object.create(null);
      vm._hasHookEvent = false;
      // init parent attached events
      var listeners = vm.$options._parentListeners;
      if (listeners) {
        updateComponentListeners(vm, listeners);
      }
    }
  
    var target;
  
    function add (event, fn) {
      target.$on(event, fn);
    }
  
    function remove$1 (event, fn) {
      target.$off(event, fn);
    }
  
    function createOnceHandler (event, fn) {
      var _target = target;
      return function onceHandler () {
        var res = fn.apply(null, arguments);
        if (res !== null) {
          _target.$off(event, onceHandler);
        }
      }
    }
  
    function updateComponentListeners (
      vm,
      listeners,
      oldListeners
    ) {
      target = vm;
      updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);
      target = undefined;
    }
  
    function eventsMixin (Vue) {
      var hookRE = /^hook:/;
      Vue.prototype.$on = function (event, fn) {
        var vm = this;
        if (Array.isArray(event)) {
          for (var i = 0, l = event.length; i < l; i++) {
            vm.$on(event[i], fn);
          }
        } else {
          (vm._events[event] || (vm._events[event] = [])).push(fn);
          // optimize hook:event cost by using a boolean flag marked at registration
          // instead of a hash lookup
          if (hookRE.test(event)) {
            vm._hasHookEvent = true;
          }
        }
        return vm
      };
  
      Vue.prototype.$once = function (event, fn) {
        var vm = this;
        function on () {
          vm.$off(event, on);
          fn.apply(vm, arguments);
        }
        on.fn = fn;
        vm.$on(event, on);
        return vm
      };
  
      Vue.prototype.$off = function (event, fn) {
        var vm = this;
        // all
        if (!arguments.length) {
          vm._events = Object.create(null);
          return vm
        }
        // array of events
        if (Array.isArray(event)) {
          for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {
            vm.$off(event[i$1], fn);
          }
          return vm
        }
        // specific event
        var cbs = vm._events[event];
        if (!cbs) {
          return vm
        }
        if (!fn) {
          vm._events[event] = null;
          return vm
        }
        // specific handler
        var cb;
        var i = cbs.length;
        while (i--) {
          cb = cbs[i];
          if (cb === fn || cb.fn === fn) {
            cbs.splice(i, 1);
            break
          }
        }
        return vm
      };
  
      Vue.prototype.$emit = function (event) {
        var vm = this;
        {
          var lowerCaseEvent = event.toLowerCase();
          if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
            tip(
              "Event \"" + lowerCaseEvent + "\" is emitted in component " +
              (formatComponentName(vm)) + " but the handler is registered for \"" + event + "\". " +
              "Note that HTML attributes are case-insensitive and you cannot use " +
              "v-on to listen to camelCase events when using in-DOM templates. " +
              "You should probably use \"" + (hyphenate(event)) + "\" instead of \"" + event + "\"."
            );
          }
        }
        var cbs = vm._events[event];
        if (cbs) {
          cbs = cbs.length > 1 ? toArray(cbs) : cbs;
          var args = toArray(arguments, 1);
          var info = "event handler for \"" + event + "\"";
          for (var i = 0, l = cbs.length; i < l; i++) {
            invokeWithErrorHandling(cbs[i], vm, args, vm, info);
          }
        }
        return vm
      };
    }
  
    /*  */
  
    var activeInstance = null;
    var isUpdatingChildComponent = false;
  
    function setActiveInstance(vm) {
      var prevActiveInstance = activeInstance;
      activeInstance = vm;
      return function () {
        activeInstance = prevActiveInstance;
      }
    }
  
    function initLifecycle (vm) {
      var options = vm.$options;
  
      // locate first non-abstract parent
      var parent = options.parent;
      if (parent && !options.abstract) {
        while (parent.$options.abstract && parent.$parent) {
          parent = parent.$parent;
        }
        parent.$children.push(vm);
      }
  
      vm.$parent = parent;
      vm.$root = parent ? parent.$root : vm;
  
      vm.$children = [];
      vm.$refs = {};
  
      vm._watcher = null;
      vm._inactive = null;
      vm._directInactive = false;
      vm._isMounted = false;
      vm._isDestroyed = false;
      vm._isBeingDestroyed = false;
    }
  
    function lifecycleMixin (Vue) {
      Vue.prototype._update = function (vnode, hydrating) {
        var vm = this;
        var prevEl = vm.$el;
        var prevVnode = vm._vnode;
        var restoreActiveInstance = setActiveInstance(vm);
        vm._vnode = vnode;
        // Vue.prototype.__patch__ is injected in entry points
        // based on the rendering backend used.
        if (!prevVnode) {
          // initial render
          vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */);
        } else {
          // updates
          vm.$el = vm.__patch__(prevVnode, vnode);
        }
        restoreActiveInstance();
        // update __vue__ reference
        if (prevEl) {
          prevEl.__vue__ = null;
        }
        if (vm.$el) {
          vm.$el.__vue__ = vm;
        }
        // if parent is an HOC, update its $el as well
        if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
          vm.$parent.$el = vm.$el;
        }
        // updated hook is called by the scheduler to ensure that children are
        // updated in a parent's updated hook.
      };
  
      Vue.prototype.$forceUpdate = function () {
        var vm = this;
        if (vm._watcher) {
          vm._watcher.update();
        }
      };
  
      Vue.prototype.$destroy = function () {
        var vm = this;
        if (vm._isBeingDestroyed) {
          return
        }
        callHook(vm, 'beforeDestroy');
        vm._isBeingDestroyed = true;
        // remove self from parent
        var parent = vm.$parent;
        if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
          remove(parent.$children, vm);
        }
        // teardown watchers
        if (vm._watcher) {
          vm._watcher.teardown();
        }
        var i = vm._watchers.length;
        while (i--) {
          vm._watchers[i].teardown();
        }
        // remove reference from data ob
        // frozen object may not have observer.
        if (vm._data.__ob__) {
          vm._data.__ob__.vmCount--;
        }
        // call the last hook...
        vm._isDestroyed = true;
        // invoke destroy hooks on current rendered tree
        vm.__patch__(vm._vnode, null);
        // fire destroyed hook
        callHook(vm, 'destroyed');
        // turn off all instance listeners.
        vm.$off();
        // remove __vue__ reference
        if (vm.$el) {
          vm.$el.__vue__ = null;
        }
        // release circular reference (#6759)
        if (vm.$vnode) {
          vm.$vnode.parent = null;
        }
      };
    }
  
    function mountComponent (
      vm,
      el,
      hydrating
    ) {
      vm.$el = el;
      if (!vm.$options.render) {
        vm.$options.render = createEmptyVNode;
        {
          /* istanbul ignore if */
          if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||
            vm.$options.el || el) {
            warn(
              'You are using the runtime-only build of Vue where the template ' +
              'compiler is not available. Either pre-compile the templates into ' +
              'render functions, or use the compiler-included build.',
              vm
            );
          } else {
            warn(
              'Failed to mount component: template or render function not defined.',
              vm
            );
          }
        }
      }
      callHook(vm, 'beforeMount');
  
      var updateComponent;
      /* istanbul ignore if */
      if (config.performance && mark) {
        updateComponent = function () {
          var name = vm._name;
          var id = vm._uid;
          var startTag = "vue-perf-start:" + id;
          var endTag = "vue-perf-end:" + id;
  
          mark(startTag);
          var vnode = vm._render();
          mark(endTag);
          measure(("vue " + name + " render"), startTag, endTag);
  
          mark(startTag);
          vm._update(vnode, hydrating);
          mark(endTag);
          measure(("vue " + name + " patch"), startTag, endTag);
        };
      } else {
        updateComponent = function () {
          vm._update(vm._render(), hydrating);
        };
      }
  
      // we set this to vm._watcher inside the watcher's constructor
      // since the watcher's initial patch may call $forceUpdate (e.g. inside child
      // component's mounted hook), which relies on vm._watcher being already defined
      new Watcher(vm, updateComponent, noop, {
        before: function before () {
          if (vm._isMounted && !vm._isDestroyed) {
            callHook(vm, 'beforeUpdate');
          }
        }
      }, true /* isRenderWatcher */);
      hydrating = false;
  
      // manually mounted instance, call mounted on self
      // mounted is called for render-created child components in its inserted hook
      if (vm.$vnode == null) {
        vm._isMounted = true;
        callHook(vm, 'mounted');
      }
      return vm
    }
  
    function updateChildComponent (
      vm,
      propsData,
      listeners,
      parentVnode,
      renderChildren
    ) {
      {
        isUpdatingChildComponent = true;
      }
  
      // determine whether component has slot children
      // we need to do this before overwriting $options._renderChildren.
  
      // check if there are dynamic scopedSlots (hand-written or compiled but with
      // dynamic slot names). Static scoped slots compiled from template has the
      // "$stable" marker.
      var newScopedSlots = parentVnode.data.scopedSlots;
      var oldScopedSlots = vm.$scopedSlots;
      var hasDynamicScopedSlot = !!(
        (newScopedSlots && !newScopedSlots.$stable) ||
        (oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||
        (newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key)
      );
  
      // Any static slot children from the parent may have changed during parent's
      // update. Dynamic scoped slots may also have changed. In such cases, a forced
      // update is necessary to ensure correctness.
      var needsForceUpdate = !!(
        renderChildren ||               // has new static slots
        vm.$options._renderChildren ||  // has old static slots
        hasDynamicScopedSlot
      );
  
      vm.$options._parentVnode = parentVnode;
      vm.$vnode = parentVnode; // update vm's placeholder node without re-render
  
      if (vm._vnode) { // update child tree's parent
        vm._vnode.parent = parentVnode;
      }
      vm.$options._renderChildren = renderChildren;
  
      // update $attrs and $listeners hash
      // these are also reactive so they may trigger child update if the child
      // used them during render
      vm.$attrs = parentVnode.data.attrs || emptyObject;
      vm.$listeners = listeners || emptyObject;
  
      // update props
      if (propsData && vm.$options.props) {
        toggleObserving(false);
        var props = vm._props;
        var propKeys = vm.$options._propKeys || [];
        for (var i = 0; i < propKeys.length; i++) {
          var key = propKeys[i];
          var propOptions = vm.$options.props; // wtf flow?
          props[key] = validateProp(key, propOptions, propsData, vm);
        }
        toggleObserving(true);
        // keep a copy of raw propsData
        vm.$options.propsData = propsData;
      }
  
      // update listeners
      listeners = listeners || emptyObject;
      var oldListeners = vm.$options._parentListeners;
      vm.$options._parentListeners = listeners;
      updateComponentListeners(vm, listeners, oldListeners);
  
      // resolve slots + force update if has children
      if (needsForceUpdate) {
        vm.$slots = resolveSlots(renderChildren, parentVnode.context);
        vm.$forceUpdate();
      }
  
      {
        isUpdatingChildComponent = false;
      }
    }
  
    function isInInactiveTree (vm) {
      while (vm && (vm = vm.$parent)) {
        if (vm._inactive) { return true }
      }
      return false
    }
  
    function activateChildComponent (vm, direct) {
      if (direct) {
        vm._directInactive = false;
        if (isInInactiveTree(vm)) {
          return
        }
      } else if (vm._directInactive) {
        return
      }
      if (vm._inactive || vm._inactive === null) {
        vm._inactive = false;
        for (var i = 0; i < vm.$children.length; i++) {
          activateChildComponent(vm.$children[i]);
        }
        callHook(vm, 'activated');
      }
    }
  
    function deactivateChildComponent (vm, direct) {
      if (direct) {
        vm._directInactive = true;
        if (isInInactiveTree(vm)) {
          return
        }
      }
      if (!vm._inactive) {
        vm._inactive = true;
        for (var i = 0; i < vm.$children.length; i++) {
          deactivateChildComponent(vm.$children[i]);
        }
        callHook(vm, 'deactivated');
      }
    }
  
    function callHook (vm, hook) {
      // #7573 disable dep collection when invoking lifecycle hooks
      pushTarget();
      var handlers = vm.$options[hook];
      var info = hook + " hook";
      if (handlers) {
        for (var i = 0, j = handlers.length; i < j; i++) {
          invokeWithErrorHandling(handlers[i], vm, null, vm, info);
        }
      }
      if (vm._hasHookEvent) {
        vm.$emit('hook:' + hook);
      }
      popTarget();
    }
  
    /*  */
  
    var MAX_UPDATE_COUNT = 100;
  
    var queue = [];
    var activatedChildren = [];
    var has = {};
    var circular = {};
    var waiting = false;
    var flushing = false;
    var index = 0;
  
    /**
     * Reset the scheduler's state.
     */
    function resetSchedulerState () {
      index = queue.length = activatedChildren.length = 0;
      has = {};
      {
        circular = {};
      }
      waiting = flushing = false;
    }
  
    // Async edge case #6566 requires saving the timestamp when event listeners are
    // attached. However, calling performance.now() has a perf overhead especially
    // if the page has thousands of event listeners. Instead, we take a timestamp
    // every time the scheduler flushes and use that for all event listeners
    // attached during that flush.
    var currentFlushTimestamp = 0;
  
    // Async edge case fix requires storing an event listener's attach timestamp.
    var getNow = Date.now;
  
    // Determine what event timestamp the browser is using. Annoyingly, the
    // timestamp can either be hi-res (relative to page load) or low-res
    // (relative to UNIX epoch), so in order to compare time we have to use the
    // same timestamp type when saving the flush timestamp.
    // All IE versions use low-res event timestamps, and have problematic clock
    // implementations (#9632)
    if (inBrowser && !isIE) {
      var performance = window.performance;
      if (
        performance &&
        typeof performance.now === 'function' &&
        getNow() > document.createEvent('Event').timeStamp
      ) {
        // if the event timestamp, although evaluated AFTER the Date.now(), is
        // smaller than it, it means the event is using a hi-res timestamp,
        // and we need to use the hi-res version for event listener timestamps as
        // well.
        getNow = function () { return performance.now(); };
      }
    }
  
    /**
     * Flush both queues and run the watchers.
     */
    function flushSchedulerQueue () {
      currentFlushTimestamp = getNow();
      flushing = true;
      var watcher, id;
  
      // Sort queue before flush.
      // This ensures that:
      // 1. Components are updated from parent to child. (because parent is always
      //    created before the child)
      // 2. A component's user watchers are run before its render watcher (because
      //    user watchers are created before the render watcher)
      // 3. If a component is destroyed during a parent component's watcher run,
      //    its watchers can be skipped.
      queue.sort(function (a, b) { return a.id - b.id; });
  
      // do not cache length because more watchers might be pushed
      // as we run existing watchers
      for (index = 0; index < queue.length; index++) {
        watcher = queue[index];
        if (watcher.before) {
          watcher.before();
        }
        id = watcher.id;
        has[id] = null;
        watcher.run();
        // in dev build, check and stop circular updates.
        if (has[id] != null) {
          circular[id] = (circular[id] || 0) + 1;
          if (circular[id] > MAX_UPDATE_COUNT) {
            warn(
              'You may have an infinite update loop ' + (
                watcher.user
                  ? ("in watcher with expression \"" + (watcher.expression) + "\"")
                  : "in a component render function."
              ),
              watcher.vm
            );
            break
          }
        }
      }
  
      // keep copies of post queues before resetting state
      var activatedQueue = activatedChildren.slice();
      var updatedQueue = queue.slice();
  
      resetSchedulerState();
  
      // call component updated and activated hooks
      callActivatedHooks(activatedQueue);
      callUpdatedHooks(updatedQueue);
  
      // devtool hook
      /* istanbul ignore if */
      if (devtools && config.devtools) {
        devtools.emit('flush');
      }
    }
  
    function callUpdatedHooks (queue) {
      var i = queue.length;
      while (i--) {
        var watcher = queue[i];
        var vm = watcher.vm;
        if (vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {
          callHook(vm, 'updated');
        }
      }
    }
  
    /**
     * Queue a kept-alive component that was activated during patch.
     * The queue will be processed after the entire tree has been patched.
     */
    function queueActivatedComponent (vm) {
      // setting _inactive to false here so that a render function can
      // rely on checking whether it's in an inactive tree (e.g. router-view)
      vm._inactive = false;
      activatedChildren.push(vm);
    }
  
    function callActivatedHooks (queue) {
      for (var i = 0; i < queue.length; i++) {
        queue[i]._inactive = true;
        activateChildComponent(queue[i], true /* true */);
      }
    }
  
    /**
     * Push a watcher into the watcher queue.
     * Jobs with duplicate IDs will be skipped unless it's
     * pushed when the queue is being flushed.
     */
    function queueWatcher (watcher) {
      var id = watcher.id;
      if (has[id] == null) {
        has[id] = true;
        if (!flushing) {
          queue.push(watcher);
        } else {
          // if already flushing, splice the watcher based on its id
          // if already past its id, it will be run next immediately.
          var i = queue.length - 1;
          while (i > index && queue[i].id > watcher.id) {
            i--;
          }
          queue.splice(i + 1, 0, watcher);
        }
        // queue the flush
        if (!waiting) {
          waiting = true;
  
          if (!config.async) {
            flushSchedulerQueue();
            return
          }
          nextTick(flushSchedulerQueue);
        }
      }
    }
  
    /*  */
  
  
  
    var uid$2 = 0;
  
    /**
     * A watcher parses an expression, collects dependencies,
     * and fires callback when the expression value changes.
     * This is used for both the $watch() api and directives.
     */
    var Watcher = function Watcher (
      vm,
      expOrFn,
      cb,
      options,
      isRenderWatcher
    ) {
      this.vm = vm;
      if (isRenderWatcher) {
        vm._watcher = this;
      }
      vm._watchers.push(this);
      // options
      if (options) {
        this.deep = !!options.deep;
        this.user = !!options.user;
        this.lazy = !!options.lazy;
        this.sync = !!options.sync;
        this.before = options.before;
      } else {
        this.deep = this.user = this.lazy = this.sync = false;
      }
      this.cb = cb;
      this.id = ++uid$2; // uid for batching
      this.active = true;
      this.dirty = this.lazy; // for lazy watchers
      this.deps = [];
      this.newDeps = [];
      this.depIds = new _Set();
      this.newDepIds = new _Set();
      this.expression = expOrFn.toString();
      // parse expression for getter
      if (typeof expOrFn === 'function') {
        this.getter = expOrFn;
      } else {
        this.getter = parsePath(expOrFn);
        if (!this.getter) {
          this.getter = noop;
          warn(
            "Failed watching path: \"" + expOrFn + "\" " +
            'Watcher only accepts simple dot-delimited paths. ' +
            'For full control, use a function instead.',
            vm
          );
        }
      }
      this.value = this.lazy
        ? undefined
        : this.get();
    };
  
    /**
     * Evaluate the getter, and re-collect dependencies.
     */
    Watcher.prototype.get = function get () {
      pushTarget(this);
      var value;
      var vm = this.vm;
      try {
        value = this.getter.call(vm, vm);
      } catch (e) {
        if (this.user) {
          handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\""));
        } else {
          throw e
        }
      } finally {
        // "touch" every property so they are all tracked as
        // dependencies for deep watching
        if (this.deep) {
          traverse(value);
        }
        popTarget();
        this.cleanupDeps();
      }
      return value
    };
  
    /**
     * Add a dependency to this directive.
     */
    Watcher.prototype.addDep = function addDep (dep) {
      var id = dep.id;
      if (!this.newDepIds.has(id)) {
        this.newDepIds.add(id);
        this.newDeps.push(dep);
        if (!this.depIds.has(id)) {
          dep.addSub(this);
        }
      }
    };
  
    /**
     * Clean up for dependency collection.
     */
    Watcher.prototype.cleanupDeps = function cleanupDeps () {
      var i = this.deps.length;
      while (i--) {
        var dep = this.deps[i];
        if (!this.newDepIds.has(dep.id)) {
          dep.removeSub(this);
        }
      }
      var tmp = this.depIds;
      this.depIds = this.newDepIds;
      this.newDepIds = tmp;
      this.newDepIds.clear();
      tmp = this.deps;
      this.deps = this.newDeps;
      this.newDeps = tmp;
      this.newDeps.length = 0;
    };
  
    /**
     * Subscriber interface.
     * Will be called when a dependency changes.
     */
    Watcher.prototype.update = function update () {
      /* istanbul ignore else */
      if (this.lazy) {
        this.dirty = true;
      } else if (this.sync) {
        this.run();
      } else {
        queueWatcher(this);
      }
    };
  
    /**
     * Scheduler job interface.
     * Will be called by the scheduler.
     */
    Watcher.prototype.run = function run () {
      if (this.active) {
        var value = this.get();
        if (
          value !== this.value ||
          // Deep watchers and watchers on Object/Arrays should fire even
          // when the value is the same, because the value may
          // have mutated.
          isObject(value) ||
          this.deep
        ) {
          // set new value
          var oldValue = this.value;
          this.value = value;
          if (this.user) {
            try {
              this.cb.call(this.vm, value, oldValue);
            } catch (e) {
              handleError(e, this.vm, ("callback for watcher \"" + (this.expression) + "\""));
            }
          } else {
            this.cb.call(this.vm, value, oldValue);
          }
        }
      }
    };
  
    /**
     * Evaluate the value of the watcher.
     * This only gets called for lazy watchers.
     */
    Watcher.prototype.evaluate = function evaluate () {
      this.value = this.get();
      this.dirty = false;
    };
  
    /**
     * Depend on all deps collected by this watcher.
     */
    Watcher.prototype.depend = function depend () {
      var i = this.deps.length;
      while (i--) {
        this.deps[i].depend();
      }
    };
  
    /**
     * Remove self from all dependencies' subscriber list.
     */
    Watcher.prototype.teardown = function teardown () {
      if (this.active) {
        // remove self from vm's watcher list
        // this is a somewhat expensive operation so we skip it
        // if the vm is being destroyed.
        if (!this.vm._isBeingDestroyed) {
          remove(this.vm._watchers, this);
        }
        var i = this.deps.length;
        while (i--) {
          this.deps[i].removeSub(this);
        }
        this.active = false;
      }
    };
  
    /*  */
  
    var sharedPropertyDefinition = {
      enumerable: true,
      configurable: true,
      get: noop,
      set: noop
    };
  
    function proxy (target, sourceKey, key) {
      sharedPropertyDefinition.get = function proxyGetter () {
        return this[sourceKey][key]
      };
      sharedPropertyDefinition.set = function proxySetter (val) {
        this[sourceKey][key] = val;
      };
      Object.defineProperty(target, key, sharedPropertyDefinition);
    }
  
    function initState (vm) {
      vm._watchers = [];
      var opts = vm.$options;
      if (opts.props) { initProps(vm, opts.props); }
      if (opts.methods) { initMethods(vm, opts.methods); }
      if (opts.data) {
        initData(vm);
      } else {
        observe(vm._data = {}, true /* asRootData */);
      }
      if (opts.computed) { initComputed(vm, opts.computed); }
      if (opts.watch && opts.watch !== nativeWatch) {
        initWatch(vm, opts.watch);
      }
    }
  
    function initProps (vm, propsOptions) {
      var propsData = vm.$options.propsData || {};
      var props = vm._props = {};
      // cache prop keys so that future props updates can iterate using Array
      // instead of dynamic object key enumeration.
      var keys = vm.$options._propKeys = [];
      var isRoot = !vm.$parent;
      // root instance props should be converted
      if (!isRoot) {
        toggleObserving(false);
      }
      var loop = function ( key ) {
        keys.push(key);
        var value = validateProp(key, propsOptions, propsData, vm);
        /* istanbul ignore else */
        {
          var hyphenatedKey = hyphenate(key);
          if (isReservedAttribute(hyphenatedKey) ||
              config.isReservedAttr(hyphenatedKey)) {
            warn(
              ("\"" + hyphenatedKey + "\" is a reserved attribute and cannot be used as component prop."),
              vm
            );
          }
          defineReactive$$1(props, key, value, function () {
            if (!isRoot && !isUpdatingChildComponent) {
              warn(
                "Avoid mutating a prop directly since the value will be " +
                "overwritten whenever the parent component re-renders. " +
                "Instead, use a data or computed property based on the prop's " +
                "value. Prop being mutated: \"" + key + "\"",
                vm
              );
            }
          });
        }
        // static props are already proxied on the component's prototype
        // during Vue.extend(). We only need to proxy props defined at
        // instantiation here.
        if (!(key in vm)) {
          proxy(vm, "_props", key);
        }
      };
  
      for (var key in propsOptions) loop( key );
      toggleObserving(true);
    }
  
    function initData (vm) {
      var data = vm.$options.data;
      data = vm._data = typeof data === 'function'
        ? getData(data, vm)
        : data || {};
      if (!isPlainObject(data)) {
        data = {};
        warn(
          'data functions should return an object:\n' +
          'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
          vm
        );
      }
      // proxy data on instance
      var keys = Object.keys(data);
      var props = vm.$options.props;
      var methods = vm.$options.methods;
      var i = keys.length;
      while (i--) {
        var key = keys[i];
        {
          if (methods && hasOwn(methods, key)) {
            warn(
              ("Method \"" + key + "\" has already been defined as a data property."),
              vm
            );
          }
        }
        if (props && hasOwn(props, key)) {
          warn(
            "The data property \"" + key + "\" is already declared as a prop. " +
            "Use prop default value instead.",
            vm
          );
        } else if (!isReserved(key)) {
          proxy(vm, "_data", key);
        }
      }
      // observe data
      observe(data, true /* asRootData */);
    }
  
    function getData (data, vm) {
      // #7573 disable dep collection when invoking data getters
      pushTarget();
      try {
        return data.call(vm, vm)
      } catch (e) {
        handleError(e, vm, "data()");
        return {}
      } finally {
        popTarget();
      }
    }
  
    var computedWatcherOptions = { lazy: true };
  
    function initComputed (vm, computed) {
      // $flow-disable-line
      var watchers = vm._computedWatchers = Object.create(null);
      // computed properties are just getters during SSR
      var isSSR = isServerRendering();
  
      for (var key in computed) {
        var userDef = computed[key];
        var getter = typeof userDef === 'function' ? userDef : userDef.get;
        if (getter == null) {
          warn(
            ("Getter is missing for computed property \"" + key + "\"."),
            vm
          );
        }
  
        if (!isSSR) {
          // create internal watcher for the computed property.
          watchers[key] = new Watcher(
            vm,
            getter || noop,
            noop,
            computedWatcherOptions
          );
        }
  
        // component-defined computed properties are already defined on the
        // component prototype. We only need to define computed properties defined
        // at instantiation here.
        if (!(key in vm)) {
          defineComputed(vm, key, userDef);
        } else {
          if (key in vm.$data) {
            warn(("The computed property \"" + key + "\" is already defined in data."), vm);
          } else if (vm.$options.props && key in vm.$options.props) {
            warn(("The computed property \"" + key + "\" is already defined as a prop."), vm);
          }
        }
      }
    }
  
    function defineComputed (
      target,
      key,
      userDef
    ) {
      var shouldCache = !isServerRendering();
      if (typeof userDef === 'function') {
        sharedPropertyDefinition.get = shouldCache
          ? createComputedGetter(key)
          : createGetterInvoker(userDef);
        sharedPropertyDefinition.set = noop;
      } else {
        sharedPropertyDefinition.get = userDef.get
          ? shouldCache && userDef.cache !== false
            ? createComputedGetter(key)
            : createGetterInvoker(userDef.get)
          : noop;
        sharedPropertyDefinition.set = userDef.set || noop;
      }
      if (sharedPropertyDefinition.set === noop) {
        sharedPropertyDefinition.set = function () {
          warn(
            ("Computed property \"" + key + "\" was assigned to but it has no setter."),
            this
          );
        };
      }
      Object.defineProperty(target, key, sharedPropertyDefinition);
    }
  
    function createComputedGetter (key) {
      return function computedGetter () {
        var watcher = this._computedWatchers && this._computedWatchers[key];
        if (watcher) {
          if (watcher.dirty) {
            watcher.evaluate();
          }
          if (Dep.target) {
            watcher.depend();
          }
          return watcher.value
        }
      }
    }
  
    function createGetterInvoker(fn) {
      return function computedGetter () {
        return fn.call(this, this)
      }
    }
  
    function initMethods (vm, methods) {
      var props = vm.$options.props;
      for (var key in methods) {
        {
          if (typeof methods[key] !== 'function') {
            warn(
              "Method \"" + key + "\" has type \"" + (typeof methods[key]) + "\" in the component definition. " +
              "Did you reference the function correctly?",
              vm
            );
          }
          if (props && hasOwn(props, key)) {
            warn(
              ("Method \"" + key + "\" has already been defined as a prop."),
              vm
            );
          }
          if ((key in vm) && isReserved(key)) {
            warn(
              "Method \"" + key + "\" conflicts with an existing Vue instance method. " +
              "Avoid defining component methods that start with _ or $."
            );
          }
        }
        vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm);
      }
    }
  
    function initWatch (vm, watch) {
      for (var key in watch) {
        var handler = watch[key];
        if (Array.isArray(handler)) {
          for (var i = 0; i < handler.length; i++) {
            createWatcher(vm, key, handler[i]);
          }
        } else {
          createWatcher(vm, key, handler);
        }
      }
    }
  
    function createWatcher (
      vm,
      expOrFn,
      handler,
      options
    ) {
      if (isPlainObject(handler)) {
        options = handler;
        handler = handler.handler;
      }
      if (typeof handler === 'string') {
        handler = vm[handler];
      }
      return vm.$watch(expOrFn, handler, options)
    }
  
    function stateMixin (Vue) {
      // flow somehow has problems with directly declared definition object
      // when using Object.defineProperty, so we have to procedurally build up
      // the object here.
      var dataDef = {};
      dataDef.get = function () { return this._data };
      var propsDef = {};
      propsDef.get = function () { return this._props };
      {
        dataDef.set = function () {
          warn(
            'Avoid replacing instance root $data. ' +
            'Use nested data properties instead.',
            this
          );
        };
        propsDef.set = function () {
          warn("$props is readonly.", this);
        };
      }
      Object.defineProperty(Vue.prototype, '$data', dataDef);
      Object.defineProperty(Vue.prototype, '$props', propsDef);
  
      Vue.prototype.$set = set;
      Vue.prototype.$delete = del;
  
      Vue.prototype.$watch = function (
        expOrFn,
        cb,
        options
      ) {
        var vm = this;
        if (isPlainObject(cb)) {
          return createWatcher(vm, expOrFn, cb, options)
        }
        options = options || {};
        options.user = true;
        var watcher = new Watcher(vm, expOrFn, cb, options);
        if (options.immediate) {
          try {
            cb.call(vm, watcher.value);
          } catch (error) {
            handleError(error, vm, ("callback for immediate watcher \"" + (watcher.expression) + "\""));
          }
        }
        return function unwatchFn () {
          watcher.teardown();
        }
      };
    }
  
    /*  */
  
    var uid$3 = 0;
  
    function initMixin (Vue) {
      Vue.prototype._init = function (options) {
        var vm = this;
        // a uid
        vm._uid = uid$3++;
  
        var startTag, endTag;
        /* istanbul ignore if */
        if (config.performance && mark) {
          startTag = "vue-perf-start:" + (vm._uid);
          endTag = "vue-perf-end:" + (vm._uid);
          mark(startTag);
        }
  
        // a flag to avoid this being observed
        vm._isVue = true;
        // merge options
        if (options && options._isComponent) {
          // optimize internal component instantiation
          // since dynamic options merging is pretty slow, and none of the
          // internal component options needs special treatment.
          initInternalComponent(vm, options);
        } else {
          vm.$options = mergeOptions(
            resolveConstructorOptions(vm.constructor),
            options || {},
            vm
          );
        }
        /* istanbul ignore else */
        {
          initProxy(vm);
        }
        // expose real self
        vm._self = vm;
        initLifecycle(vm);
        initEvents(vm);
        initRender(vm);
        callHook(vm, 'beforeCreate');
        initInjections(vm); // resolve injections before data/props
        initState(vm);
        initProvide(vm); // resolve provide after data/props
        callHook(vm, 'created');
  
        /* istanbul ignore if */
        if (config.performance && mark) {
          vm._name = formatComponentName(vm, false);
          mark(endTag);
          measure(("vue " + (vm._name) + " init"), startTag, endTag);
        }
  
        if (vm.$options.el) {
          vm.$mount(vm.$options.el);
        }
      };
    }
  
    function initInternalComponent (vm, options) {
      var opts = vm.$options = Object.create(vm.constructor.options);
      // doing this because it's faster than dynamic enumeration.
      var parentVnode = options._parentVnode;
      opts.parent = options.parent;
      opts._parentVnode = parentVnode;
  
      var vnodeComponentOptions = parentVnode.componentOptions;
      opts.propsData = vnodeComponentOptions.propsData;
      opts._parentListeners = vnodeComponentOptions.listeners;
      opts._renderChildren = vnodeComponentOptions.children;
      opts._componentTag = vnodeComponentOptions.tag;
  
      if (options.render) {
        opts.render = options.render;
        opts.staticRenderFns = options.staticRenderFns;
      }
    }
  
    function resolveConstructorOptions (Ctor) {
      var options = Ctor.options;
      if (Ctor.super) {
        var superOptions = resolveConstructorOptions(Ctor.super);
        var cachedSuperOptions = Ctor.superOptions;
        if (superOptions !== cachedSuperOptions) {
          // super option changed,
          // need to resolve new options.
          Ctor.superOptions = superOptions;
          // check if there are any late-modified/attached options (#4976)
          var modifiedOptions = resolveModifiedOptions(Ctor);
          // update base extend options
          if (modifiedOptions) {
            extend(Ctor.extendOptions, modifiedOptions);
          }
          options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
          if (options.name) {
            options.components[options.name] = Ctor;
          }
        }
      }
      return options
    }
  
    function resolveModifiedOptions (Ctor) {
      var modified;
      var latest = Ctor.options;
      var sealed = Ctor.sealedOptions;
      for (var key in latest) {
        if (latest[key] !== sealed[key]) {
          if (!modified) { modified = {}; }
          modified[key] = latest[key];
        }
      }
      return modified
    }
  
    function Vue (options) {
      if (!(this instanceof Vue)
      ) {
        warn('Vue is a constructor and should be called with the `new` keyword');
      }
      this._init(options);
    }
  
    initMixin(Vue);
    stateMixin(Vue);
    eventsMixin(Vue);
    lifecycleMixin(Vue);
    renderMixin(Vue);
  
    /*  */
  
    function initUse (Vue) {
      Vue.use = function (plugin) {
        var installedPlugins = (this._installedPlugins || (this._installedPlugins = []));
        if (installedPlugins.indexOf(plugin) > -1) {
          return this
        }
  
        // additional parameters
        var args = toArray(arguments, 1);
        args.unshift(this);
        if (typeof plugin.install === 'function') {
          plugin.install.apply(plugin, args);
        } else if (typeof plugin === 'function') {
          plugin.apply(null, args);
        }
        installedPlugins.push(plugin);
        return this
      };
    }
  
    /*  */
  
    function initMixin$1 (Vue) {
      Vue.mixin = function (mixin) {
        this.options = mergeOptions(this.options, mixin);
        return this
      };
    }
  
    /*  */
  
    function initExtend (Vue) {
      /**
       * Each instance constructor, including Vue, has a unique
       * cid. This enables us to create wrapped "child
       * constructors" for prototypal inheritance and cache them.
       */
      Vue.cid = 0;
      var cid = 1;
  
      /**
       * Class inheritance
       */
      Vue.extend = function (extendOptions) {
        extendOptions = extendOptions || {};
        var Super = this;
        var SuperId = Super.cid;
        var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
        if (cachedCtors[SuperId]) {
          return cachedCtors[SuperId]
        }
  
        var name = extendOptions.name || Super.options.name;
        if (name) {
          validateComponentName(name);
        }
  
        var Sub = function VueComponent (options) {
          this._init(options);
        };
        Sub.prototype = Object.create(Super.prototype);
        Sub.prototype.constructor = Sub;
        Sub.cid = cid++;
        Sub.options = mergeOptions(
          Super.options,
          extendOptions
        );
        Sub['super'] = Super;
  
        // For props and computed properties, we define the proxy getters on
        // the Vue instances at extension time, on the extended prototype. This
        // avoids Object.defineProperty calls for each instance created.
        if (Sub.options.props) {
          initProps$1(Sub);
        }
        if (Sub.options.computed) {
          initComputed$1(Sub);
        }
  
        // allow further extension/mixin/plugin usage
        Sub.extend = Super.extend;
        Sub.mixin = Super.mixin;
        Sub.use = Super.use;
  
        // create asset registers, so extended classes
        // can have their private assets too.
        ASSET_TYPES.forEach(function (type) {
          Sub[type] = Super[type];
        });
        // enable recursive self-lookup
        if (name) {
          Sub.options.components[name] = Sub;
        }
  
        // keep a reference to the super options at extension time.
        // later at instantiation we can check if Super's options have
        // been updated.
        Sub.superOptions = Super.options;
        Sub.extendOptions = extendOptions;
        Sub.sealedOptions = extend({}, Sub.options);
  
        // cache constructor
        cachedCtors[SuperId] = Sub;
        return Sub
      };
    }
  
    function initProps$1 (Comp) {
      var props = Comp.options.props;
      for (var key in props) {
        proxy(Comp.prototype, "_props", key);
      }
    }
  
    function initComputed$1 (Comp) {
      var computed = Comp.options.computed;
      for (var key in computed) {
        defineComputed(Comp.prototype, key, computed[key]);
      }
    }
  
    /*  */
  
    function initAssetRegisters (Vue) {
      /**
       * Create asset registration methods.
       */
      ASSET_TYPES.forEach(function (type) {
        Vue[type] = function (
          id,
          definition
        ) {
          if (!definition) {
            return this.options[type + 's'][id]
          } else {
            /* istanbul ignore if */
            if (type === 'component') {
              validateComponentName(id);
            }
            if (type === 'component' && isPlainObject(definition)) {
              definition.name = definition.name || id;
              definition = this.options._base.extend(definition);
            }
            if (type === 'directive' && typeof definition === 'function') {
              definition = { bind: definition, update: definition };
            }
            this.options[type + 's'][id] = definition;
            return definition
          }
        };
      });
    }
  
    /*  */
  
  
  
    function getComponentName (opts) {
      return opts && (opts.Ctor.options.name || opts.tag)
    }
  
    function matches (pattern, name) {
      if (Array.isArray(pattern)) {
        return pattern.indexOf(name) > -1
      } else if (typeof pattern === 'string') {
        return pattern.split(',').indexOf(name) > -1
      } else if (isRegExp(pattern)) {
        return pattern.test(name)
      }
      /* istanbul ignore next */
      return false
    }
  
    function pruneCache (keepAliveInstance, filter) {
      var cache = keepAliveInstance.cache;
      var keys = keepAliveInstance.keys;
      var _vnode = keepAliveInstance._vnode;
      for (var key in cache) {
        var cachedNode = cache[key];
        if (cachedNode) {
          var name = getComponentName(cachedNode.componentOptions);
          if (name && !filter(name)) {
            pruneCacheEntry(cache, key, keys, _vnode);
          }
        }
      }
    }
  
    function pruneCacheEntry (
      cache,
      key,
      keys,
      current
    ) {
      var cached$$1 = cache[key];
      if (cached$$1 && (!current || cached$$1.tag !== current.tag)) {
        cached$$1.componentInstance.$destroy();
      }
      cache[key] = null;
      remove(keys, key);
    }
  
    var patternTypes = [String, RegExp, Array];
  
    var KeepAlive = {
      name: 'keep-alive',
      abstract: true,
  
      props: {
        include: patternTypes,
        exclude: patternTypes,
        max: [String, Number]
      },
  
      created: function created () {
        this.cache = Object.create(null);
        this.keys = [];
      },
  
      destroyed: function destroyed () {
        for (var key in this.cache) {
          pruneCacheEntry(this.cache, key, this.keys);
        }
      },
  
      mounted: function mounted () {
        var this$1 = this;
  
        this.$watch('include', function (val) {
          pruneCache(this$1, function (name) { return matches(val, name); });
        });
        this.$watch('exclude', function (val) {
          pruneCache(this$1, function (name) { return !matches(val, name); });
        });
      },
  
      render: function render () {
        var slot = this.$slots.default;
        var vnode = getFirstComponentChild(slot);
        var componentOptions = vnode && vnode.componentOptions;
        if (componentOptions) {
          // check pattern
          var name = getComponentName(componentOptions);
          var ref = this;
          var include = ref.include;
          var exclude = ref.exclude;
          if (
            // not included
            (include && (!name || !matches(include, name))) ||
            // excluded
            (exclude && name && matches(exclude, name))
          ) {
            return vnode
          }
  
          var ref$1 = this;
          var cache = ref$1.cache;
          var keys = ref$1.keys;
          var key = vnode.key == null
            // same constructor may get registered as different local components
            // so cid alone is not enough (#3269)
            ? componentOptions.Ctor.cid + (componentOptions.tag ? ("::" + (componentOptions.tag)) : '')
            : vnode.key;
          if (cache[key]) {
            vnode.componentInstance = cache[key].componentInstance;
            // make current key freshest
            remove(keys, key);
            keys.push(key);
          } else {
            cache[key] = vnode;
            keys.push(key);
            // prune oldest entry
            if (this.max && keys.length > parseInt(this.max)) {
              pruneCacheEntry(cache, keys[0], keys, this._vnode);
            }
          }
  
          vnode.data.keepAlive = true;
        }
        return vnode || (slot && slot[0])
      }
    };
  
    var builtInComponents = {
      KeepAlive: KeepAlive
    };
  
    /*  */
  
    function initGlobalAPI (Vue) {
      // config
      var configDef = {};
      configDef.get = function () { return config; };
      {
        configDef.set = function () {
          warn(
            'Do not replace the Vue.config object, set individual fields instead.'
          );
        };
      }
      Object.defineProperty(Vue, 'config', configDef);
  
      // exposed util methods.
      // NOTE: these are not considered part of the public API - avoid relying on
      // them unless you are aware of the risk.
      Vue.util = {
        warn: warn,
        extend: extend,
        mergeOptions: mergeOptions,
        defineReactive: defineReactive$$1
      };
  
      Vue.set = set;
      Vue.delete = del;
      Vue.nextTick = nextTick;
  
      // 2.6 explicit observable API
      Vue.observable = function (obj) {
        observe(obj);
        return obj
      };
  
      Vue.options = Object.create(null);
      ASSET_TYPES.forEach(function (type) {
        Vue.options[type + 's'] = Object.create(null);
      });
  
      // this is used to identify the "base" constructor to extend all plain-object
      // components with in Weex's multi-instance scenarios.
      Vue.options._base = Vue;
  
      extend(Vue.options.components, builtInComponents);
  
      initUse(Vue);
      initMixin$1(Vue);
      initExtend(Vue);
      initAssetRegisters(Vue);
    }
  
    initGlobalAPI(Vue);
  
    Object.defineProperty(Vue.prototype, '$isServer', {
      get: isServerRendering
    });
  
    Object.defineProperty(Vue.prototype, '$ssrContext', {
      get: function get () {
        /* istanbul ignore next */
        return this.$vnode && this.$vnode.ssrContext
      }
    });
  
    // expose FunctionalRenderContext for ssr runtime helper installation
    Object.defineProperty(Vue, 'FunctionalRenderContext', {
      value: FunctionalRenderContext
    });
  
    Vue.version = '2.6.10';
  
    /*  */
  
    // these are reserved for web because they are directly compiled away
    // during template compilation
    var isReservedAttr = makeMap('style,class');
  
    // attributes that should be using props for binding
    var acceptValue = makeMap('input,textarea,option,select,progress');
    var mustUseProp = function (tag, type, attr) {
      return (
        (attr === 'value' && acceptValue(tag)) && type !== 'button' ||
        (attr === 'selected' && tag === 'option') ||
        (attr === 'checked' && tag === 'input') ||
        (attr === 'muted' && tag === 'video')
      )
    };
  
    var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
  
    var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');
  
    var convertEnumeratedValue = function (key, value) {
      return isFalsyAttrValue(value) || value === 'false'
        ? 'false'
        // allow arbitrary string value for contenteditable
        : key === 'contenteditable' && isValidContentEditableValue(value)
          ? value
          : 'true'
    };
  
    var isBooleanAttr = makeMap(
      'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
      'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
      'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
      'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
      'required,reversed,scoped,seamless,selected,sortable,translate,' +
      'truespeed,typemustmatch,visible'
    );
  
    var xlinkNS = 'http://www.w3.org/1999/xlink';
  
    var isXlink = function (name) {
      return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
    };
  
    var getXlinkProp = function (name) {
      return isXlink(name) ? name.slice(6, name.length) : ''
    };
  
    var isFalsyAttrValue = function (val) {
      return val == null || val === false
    };
  
    /*  */
  
    function genClassForVnode (vnode) {
      var data = vnode.data;
      var parentNode = vnode;
      var childNode = vnode;
      while (isDef(childNode.componentInstance)) {
        childNode = childNode.componentInstance._vnode;
        if (childNode && childNode.data) {
          data = mergeClassData(childNode.data, data);
        }
      }
      while (isDef(parentNode = parentNode.parent)) {
        if (parentNode && parentNode.data) {
          data = mergeClassData(data, parentNode.data);
        }
      }
      return renderClass(data.staticClass, data.class)
    }
  
    function mergeClassData (child, parent) {
      return {
        staticClass: concat(child.staticClass, parent.staticClass),
        class: isDef(child.class)
          ? [child.class, parent.class]
          : parent.class
      }
    }
  
    function renderClass (
      staticClass,
      dynamicClass
    ) {
      if (isDef(staticClass) || isDef(dynamicClass)) {
        return concat(staticClass, stringifyClass(dynamicClass))
      }
      /* istanbul ignore next */
      return ''
    }
  
    function concat (a, b) {
      return a ? b ? (a + ' ' + b) : a : (b || '')
    }
  
    function stringifyClass (value) {
      if (Array.isArray(value)) {
        return stringifyArray(value)
      }
      if (isObject(value)) {
        return stringifyObject(value)
      }
      if (typeof value === 'string') {
        return value
      }
      /* istanbul ignore next */
      return ''
    }
  
    function stringifyArray (value) {
      var res = '';
      var stringified;
      for (var i = 0, l = value.length; i < l; i++) {
        if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
          if (res) { res += ' '; }
          res += stringified;
        }
      }
      return res
    }
  
    function stringifyObject (value) {
      var res = '';
      for (var key in value) {
        if (value[key]) {
          if (res) { res += ' '; }
          res += key;
        }
      }
      return res
    }
  
    /*  */
  
    var namespaceMap = {
      svg: 'http://www.w3.org/2000/svg',
      math: 'http://www.w3.org/1998/Math/MathML'
    };
  
    var isHTMLTag = makeMap(
      'html,body,base,head,link,meta,style,title,' +
      'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
      'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
      'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
      's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
      'embed,object,param,source,canvas,script,noscript,del,ins,' +
      'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
      'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
      'output,progress,select,textarea,' +
      'details,dialog,menu,menuitem,summary,' +
      'content,element,shadow,template,blockquote,iframe,tfoot'
    );
  
    // this map is intentionally selective, only covering SVG elements that may
    // contain child elements.
    var isSVG = makeMap(
      'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
      'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
      'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
      true
    );
  
    var isPreTag = function (tag) { return tag === 'pre'; };
  
    var isReservedTag = function (tag) {
      return isHTMLTag(tag) || isSVG(tag)
    };
  
    function getTagNamespace (tag) {
      if (isSVG(tag)) {
        return 'svg'
      }
      // basic support for MathML
      // note it doesn't support other MathML elements being component roots
      if (tag === 'math') {
        return 'math'
      }
    }
  
    var unknownElementCache = Object.create(null);
    function isUnknownElement (tag) {
      /* istanbul ignore if */
      if (!inBrowser) {
        return true
      }
      if (isReservedTag(tag)) {
        return false
      }
      tag = tag.toLowerCase();
      /* istanbul ignore if */
      if (unknownElementCache[tag] != null) {
        return unknownElementCache[tag]
      }
      var el = document.createElement(tag);
      if (tag.indexOf('-') > -1) {
        // http://stackoverflow.com/a/28210364/1070244
        return (unknownElementCache[tag] = (
          el.constructor === window.HTMLUnknownElement ||
          el.constructor === window.HTMLElement
        ))
      } else {
        return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
      }
    }
  
    var isTextInputType = makeMap('text,number,password,search,email,tel,url');
  
    /*  */
  
    /**
     * Query an element selector if it's not an element already.
     */
    function query (el) {
      if (typeof el === 'string') {
        var selected = document.querySelector(el);
        if (!selected) {
          warn(
            'Cannot find element: ' + el
          );
          return document.createElement('div')
        }
        return selected
      } else {
        return el
      }
    }
  
    /*  */
  
    function createElement$1 (tagName, vnode) {
      var elm = document.createElement(tagName);
      if (tagName !== 'select') {
        return elm
      }
      // false or null will remove the attribute but undefined will not
      if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
        elm.setAttribute('multiple', 'multiple');
      }
      return elm
    }
  
    function createElementNS (namespace, tagName) {
      return document.createElementNS(namespaceMap[namespace], tagName)
    }
  
    function createTextNode (text) {
      return document.createTextNode(text)
    }
  
    function createComment (text) {
      return document.createComment(text)
    }
  
    function insertBefore (parentNode, newNode, referenceNode) {
      parentNode.insertBefore(newNode, referenceNode);
    }
  
    function removeChild (node, child) {
      node.removeChild(child);
    }
  
    function appendChild (node, child) {
      node.appendChild(child);
    }
  
    function parentNode (node) {
      return node.parentNode
    }
  
    function nextSibling (node) {
      return node.nextSibling
    }
  
    function tagName (node) {
      return node.tagName
    }
  
    function setTextContent (node, text) {
      node.textContent = text;
    }
  
    function setStyleScope (node, scopeId) {
      node.setAttribute(scopeId, '');
    }
  
    var nodeOps = /*#__PURE__*/Object.freeze({
      createElement: createElement$1,
      createElementNS: createElementNS,
      createTextNode: createTextNode,
      createComment: createComment,
      insertBefore: insertBefore,
      removeChild: removeChild,
      appendChild: appendChild,
      parentNode: parentNode,
      nextSibling: nextSibling,
      tagName: tagName,
      setTextContent: setTextContent,
      setStyleScope: setStyleScope
    });
  
    /*  */
  
    var ref = {
      create: function create (_, vnode) {
        registerRef(vnode);
      },
      update: function update (oldVnode, vnode) {
        if (oldVnode.data.ref !== vnode.data.ref) {
          registerRef(oldVnode, true);
          registerRef(vnode);
        }
      },
      destroy: function destroy (vnode) {
        registerRef(vnode, true);
      }
    };
  
    function registerRef (vnode, isRemoval) {
      var key = vnode.data.ref;
      if (!isDef(key)) { return }
  
      var vm = vnode.context;
      var ref = vnode.componentInstance || vnode.elm;
      var refs = vm.$refs;
      if (isRemoval) {
        if (Array.isArray(refs[key])) {
          remove(refs[key], ref);
        } else if (refs[key] === ref) {
          refs[key] = undefined;
        }
      } else {
        if (vnode.data.refInFor) {
          if (!Array.isArray(refs[key])) {
            refs[key] = [ref];
          } else if (refs[key].indexOf(ref) < 0) {
            // $flow-disable-line
            refs[key].push(ref);
          }
        } else {
          refs[key] = ref;
        }
      }
    }
  
    /**
     * Virtual DOM patching algorithm based on Snabbdom by
     * Simon Friis Vindum (@paldepind)
     * Licensed under the MIT License
     * https://github.com/paldepind/snabbdom/blob/master/LICENSE
     *
     * modified by Evan You (@yyx990803)
     *
     * Not type-checking this because this file is perf-critical and the cost
     * of making flow understand it is not worth it.
     */
  
    var emptyNode = new VNode('', {}, []);
  
    var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];
  
    function sameVnode (a, b) {
      return (
        a.key === b.key && (
          (
            a.tag === b.tag &&
            a.isComment === b.isComment &&
            isDef(a.data) === isDef(b.data) &&
            sameInputType(a, b)
          ) || (
            isTrue(a.isAsyncPlaceholder) &&
            a.asyncFactory === b.asyncFactory &&
            isUndef(b.asyncFactory.error)
          )
        )
      )
    }
  
    function sameInputType (a, b) {
      if (a.tag !== 'input') { return true }
      var i;
      var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
      var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
      return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)
    }
  
    function createKeyToOldIdx (children, beginIdx, endIdx) {
      var i, key;
      var map = {};
      for (i = beginIdx; i <= endIdx; ++i) {
        key = children[i].key;
        if (isDef(key)) { map[key] = i; }
      }
      return map
    }
  
    function createPatchFunction (backend) {
      var i, j;
      var cbs = {};
  
      var modules = backend.modules;
      var nodeOps = backend.nodeOps;
  
      for (i = 0; i < hooks.length; ++i) {
        cbs[hooks[i]] = [];
        for (j = 0; j < modules.length; ++j) {
          if (isDef(modules[j][hooks[i]])) {
            cbs[hooks[i]].push(modules[j][hooks[i]]);
          }
        }
      }
  
      function emptyNodeAt (elm) {
        return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
      }
  
      function createRmCb (childElm, listeners) {
        function remove$$1 () {
          if (--remove$$1.listeners === 0) {
            removeNode(childElm);
          }
        }
        remove$$1.listeners = listeners;
        return remove$$1
      }
  
      function removeNode (el) {
        var parent = nodeOps.parentNode(el);
        // element may have already been removed due to v-html / v-text
        if (isDef(parent)) {
          nodeOps.removeChild(parent, el);
        }
      }
  
      function isUnknownElement$$1 (vnode, inVPre) {
        return (
          !inVPre &&
          !vnode.ns &&
          !(
            config.ignoredElements.length &&
            config.ignoredElements.some(function (ignore) {
              return isRegExp(ignore)
                ? ignore.test(vnode.tag)
                : ignore === vnode.tag
            })
          ) &&
          config.isUnknownElement(vnode.tag)
        )
      }
  
      var creatingElmInVPre = 0;
  
      function createElm (
        vnode,
        insertedVnodeQueue,
        parentElm,
        refElm,
        nested,
        ownerArray,
        index
      ) {
        if (isDef(vnode.elm) && isDef(ownerArray)) {
          // This vnode was used in a previous render!
          // now it's used as a new node, overwriting its elm would cause
          // potential patch errors down the road when it's used as an insertion
          // reference node. Instead, we clone the node on-demand before creating
          // associated DOM element for it.
          vnode = ownerArray[index] = cloneVNode(vnode);
        }
  
        vnode.isRootInsert = !nested; // for transition enter check
        if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
          return
        }
  
        var data = vnode.data;
        var children = vnode.children;
        var tag = vnode.tag;
        if (isDef(tag)) {
          {
            if (data && data.pre) {
              creatingElmInVPre++;
            }
            if (isUnknownElement$$1(vnode, creatingElmInVPre)) {
              warn(
                'Unknown custom element: <' + tag + '> - did you ' +
                'register the component correctly? For recursive components, ' +
                'make sure to provide the "name" option.',
                vnode.context
              );
            }
          }
  
          vnode.elm = vnode.ns
            ? nodeOps.createElementNS(vnode.ns, tag)
            : nodeOps.createElement(tag, vnode);
          setScope(vnode);
  
          /* istanbul ignore if */
          {
            createChildren(vnode, children, insertedVnodeQueue);
            if (isDef(data)) {
              invokeCreateHooks(vnode, insertedVnodeQueue);
            }
            insert(parentElm, vnode.elm, refElm);
          }
  
          if (data && data.pre) {
            creatingElmInVPre--;
          }
        } else if (isTrue(vnode.isComment)) {
          vnode.elm = nodeOps.createComment(vnode.text);
          insert(parentElm, vnode.elm, refElm);
        } else {
          vnode.elm = nodeOps.createTextNode(vnode.text);
          insert(parentElm, vnode.elm, refElm);
        }
      }
  
      function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
        var i = vnode.data;
        if (isDef(i)) {
          var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
          if (isDef(i = i.hook) && isDef(i = i.init)) {
            i(vnode, false /* hydrating */);
          }
          // after calling the init hook, if the vnode is a child component
          // it should've created a child instance and mounted it. the child
          // component also has set the placeholder vnode's elm.
          // in that case we can just return the element and be done.
          if (isDef(vnode.componentInstance)) {
            initComponent(vnode, insertedVnodeQueue);
            insert(parentElm, vnode.elm, refElm);
            if (isTrue(isReactivated)) {
              reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
            }
            return true
          }
        }
      }
  
      function initComponent (vnode, insertedVnodeQueue) {
        if (isDef(vnode.data.pendingInsert)) {
          insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
          vnode.data.pendingInsert = null;
        }
        vnode.elm = vnode.componentInstance.$el;
        if (isPatchable(vnode)) {
          invokeCreateHooks(vnode, insertedVnodeQueue);
          setScope(vnode);
        } else {
          // empty component root.
          // skip all element-related modules except for ref (#3455)
          registerRef(vnode);
          // make sure to invoke the insert hook
          insertedVnodeQueue.push(vnode);
        }
      }
  
      function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
        var i;
        // hack for #4339: a reactivated component with inner transition
        // does not trigger because the inner node's created hooks are not called
        // again. It's not ideal to involve module-specific logic in here but
        // there doesn't seem to be a better way to do it.
        var innerNode = vnode;
        while (innerNode.componentInstance) {
          innerNode = innerNode.componentInstance._vnode;
          if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
            for (i = 0; i < cbs.activate.length; ++i) {
              cbs.activate[i](emptyNode, innerNode);
            }
            insertedVnodeQueue.push(innerNode);
            break
          }
        }
        // unlike a newly created component,
        // a reactivated keep-alive component doesn't insert itself
        insert(parentElm, vnode.elm, refElm);
      }
  
      function insert (parent, elm, ref$$1) {
        if (isDef(parent)) {
          if (isDef(ref$$1)) {
            if (nodeOps.parentNode(ref$$1) === parent) {
              nodeOps.insertBefore(parent, elm, ref$$1);
            }
          } else {
            nodeOps.appendChild(parent, elm);
          }
        }
      }
  
      function createChildren (vnode, children, insertedVnodeQueue) {
        if (Array.isArray(children)) {
          {
            checkDuplicateKeys(children);
          }
          for (var i = 0; i < children.length; ++i) {
            createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);
          }
        } else if (isPrimitive(vnode.text)) {
          nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
        }
      }
  
      function isPatchable (vnode) {
        while (vnode.componentInstance) {
          vnode = vnode.componentInstance._vnode;
        }
        return isDef(vnode.tag)
      }
  
      function invokeCreateHooks (vnode, insertedVnodeQueue) {
        for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
          cbs.create[i$1](emptyNode, vnode);
        }
        i = vnode.data.hook; // Reuse variable
        if (isDef(i)) {
          if (isDef(i.create)) { i.create(emptyNode, vnode); }
          if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }
        }
      }
  
      // set scope id attribute for scoped CSS.
      // this is implemented as a special case to avoid the overhead
      // of going through the normal attribute patching process.
      function setScope (vnode) {
        var i;
        if (isDef(i = vnode.fnScopeId)) {
          nodeOps.setStyleScope(vnode.elm, i);
        } else {
          var ancestor = vnode;
          while (ancestor) {
            if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
              nodeOps.setStyleScope(vnode.elm, i);
            }
            ancestor = ancestor.parent;
          }
        }
        // for slot content they should also get the scopeId from the host instance.
        if (isDef(i = activeInstance) &&
          i !== vnode.context &&
          i !== vnode.fnContext &&
          isDef(i = i.$options._scopeId)
        ) {
          nodeOps.setStyleScope(vnode.elm, i);
        }
      }
  
      function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
        for (; startIdx <= endIdx; ++startIdx) {
          createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
        }
      }
  
      function invokeDestroyHook (vnode) {
        var i, j;
        var data = vnode.data;
        if (isDef(data)) {
          if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
          for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
        }
        if (isDef(i = vnode.children)) {
          for (j = 0; j < vnode.children.length; ++j) {
            invokeDestroyHook(vnode.children[j]);
          }
        }
      }
  
      function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
        for (; startIdx <= endIdx; ++startIdx) {
          var ch = vnodes[startIdx];
          if (isDef(ch)) {
            if (isDef(ch.tag)) {
              removeAndInvokeRemoveHook(ch);
              invokeDestroyHook(ch);
            } else { // Text node
              removeNode(ch.elm);
            }
          }
        }
      }
  
      function removeAndInvokeRemoveHook (vnode, rm) {
        if (isDef(rm) || isDef(vnode.data)) {
          var i;
          var listeners = cbs.remove.length + 1;
          if (isDef(rm)) {
            // we have a recursively passed down rm callback
            // increase the listeners count
            rm.listeners += listeners;
          } else {
            // directly removing
            rm = createRmCb(vnode.elm, listeners);
          }
          // recursively invoke hooks on child component root node
          if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
            removeAndInvokeRemoveHook(i, rm);
          }
          for (i = 0; i < cbs.remove.length; ++i) {
            cbs.remove[i](vnode, rm);
          }
          if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
            i(vnode, rm);
          } else {
            rm();
          }
        } else {
          removeNode(vnode.elm);
        }
      }
  
      function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
        var oldStartIdx = 0;
        var newStartIdx = 0;
        var oldEndIdx = oldCh.length - 1;
        var oldStartVnode = oldCh[0];
        var oldEndVnode = oldCh[oldEndIdx];
        var newEndIdx = newCh.length - 1;
        var newStartVnode = newCh[0];
        var newEndVnode = newCh[newEndIdx];
        var oldKeyToIdx, idxInOld, vnodeToMove, refElm;
  
        // removeOnly is a special flag used only by <transition-group>
        // to ensure removed elements stay in correct relative positions
        // during leaving transitions
        var canMove = !removeOnly;
  
        {
          checkDuplicateKeys(newCh);
        }
  
        while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
          if (isUndef(oldStartVnode)) {
            oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
          } else if (isUndef(oldEndVnode)) {
            oldEndVnode = oldCh[--oldEndIdx];
          } else if (sameVnode(oldStartVnode, newStartVnode)) {
            patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
            oldStartVnode = oldCh[++oldStartIdx];
            newStartVnode = newCh[++newStartIdx];
          } else if (sameVnode(oldEndVnode, newEndVnode)) {
            patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
            oldEndVnode = oldCh[--oldEndIdx];
            newEndVnode = newCh[--newEndIdx];
          } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
            patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
            canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
            oldStartVnode = oldCh[++oldStartIdx];
            newEndVnode = newCh[--newEndIdx];
          } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
            patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
            canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
            oldEndVnode = oldCh[--oldEndIdx];
            newStartVnode = newCh[++newStartIdx];
          } else {
            if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
            idxInOld = isDef(newStartVnode.key)
              ? oldKeyToIdx[newStartVnode.key]
              : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);
            if (isUndef(idxInOld)) { // New element
              createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
            } else {
              vnodeToMove = oldCh[idxInOld];
              if (sameVnode(vnodeToMove, newStartVnode)) {
                patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
                oldCh[idxInOld] = undefined;
                canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
              } else {
                // same key but different element. treat as new element
                createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
              }
            }
            newStartVnode = newCh[++newStartIdx];
          }
        }
        if (oldStartIdx > oldEndIdx) {
          refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
          addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
        } else if (newStartIdx > newEndIdx) {
          removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
        }
      }
  
      function checkDuplicateKeys (children) {
        var seenKeys = {};
        for (var i = 0; i < children.length; i++) {
          var vnode = children[i];
          var key = vnode.key;
          if (isDef(key)) {
            if (seenKeys[key]) {
              warn(
                ("Duplicate keys detected: '" + key + "'. This may cause an update error."),
                vnode.context
              );
            } else {
              seenKeys[key] = true;
            }
          }
        }
      }
  
      function findIdxInOld (node, oldCh, start, end) {
        for (var i = start; i < end; i++) {
          var c = oldCh[i];
          if (isDef(c) && sameVnode(node, c)) { return i }
        }
      }
  
      function patchVnode (
        oldVnode,
        vnode,
        insertedVnodeQueue,
        ownerArray,
        index,
        removeOnly
      ) {
        if (oldVnode === vnode) {
          return
        }
  
        if (isDef(vnode.elm) && isDef(ownerArray)) {
          // clone reused vnode
          vnode = ownerArray[index] = cloneVNode(vnode);
        }
  
        var elm = vnode.elm = oldVnode.elm;
  
        if (isTrue(oldVnode.isAsyncPlaceholder)) {
          if (isDef(vnode.asyncFactory.resolved)) {
            hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
          } else {
            vnode.isAsyncPlaceholder = true;
          }
          return
        }
  
        // reuse element for static trees.
        // note we only do this if the vnode is cloned -
        // if the new node is not cloned it means the render functions have been
        // reset by the hot-reload-api and we need to do a proper re-render.
        if (isTrue(vnode.isStatic) &&
          isTrue(oldVnode.isStatic) &&
          vnode.key === oldVnode.key &&
          (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))
        ) {
          vnode.componentInstance = oldVnode.componentInstance;
          return
        }
  
        var i;
        var data = vnode.data;
        if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
          i(oldVnode, vnode);
        }
  
        var oldCh = oldVnode.children;
        var ch = vnode.children;
        if (isDef(data) && isPatchable(vnode)) {
          for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
          if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
        }
        if (isUndef(vnode.text)) {
          if (isDef(oldCh) && isDef(ch)) {
            if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
          } else if (isDef(ch)) {
            {
              checkDuplicateKeys(ch);
            }
            if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
            addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
          } else if (isDef(oldCh)) {
            removeVnodes(elm, oldCh, 0, oldCh.length - 1);
          } else if (isDef(oldVnode.text)) {
            nodeOps.setTextContent(elm, '');
          }
        } else if (oldVnode.text !== vnode.text) {
          nodeOps.setTextContent(elm, vnode.text);
        }
        if (isDef(data)) {
          if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
        }
      }
  
      function invokeInsertHook (vnode, queue, initial) {
        // delay insert hooks for component root nodes, invoke them after the
        // element is really inserted
        if (isTrue(initial) && isDef(vnode.parent)) {
          vnode.parent.data.pendingInsert = queue;
        } else {
          for (var i = 0; i < queue.length; ++i) {
            queue[i].data.hook.insert(queue[i]);
          }
        }
      }
  
      var hydrationBailed = false;
      // list of modules that can skip create hook during hydration because they
      // are already rendered on the client or has no need for initialization
      // Note: style is excluded because it relies on initial clone for future
      // deep updates (#7063).
      var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');
  
      // Note: this is a browser-only function so we can assume elms are DOM nodes.
      function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {
        var i;
        var tag = vnode.tag;
        var data = vnode.data;
        var children = vnode.children;
        inVPre = inVPre || (data && data.pre);
        vnode.elm = elm;
  
        if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
          vnode.isAsyncPlaceholder = true;
          return true
        }
        // assert node match
        {
          if (!assertNodeMatch(elm, vnode, inVPre)) {
            return false
          }
        }
        if (isDef(data)) {
          if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
          if (isDef(i = vnode.componentInstance)) {
            // child component. it should have hydrated its own tree.
            initComponent(vnode, insertedVnodeQueue);
            return true
          }
        }
        if (isDef(tag)) {
          if (isDef(children)) {
            // empty element, allow client to pick up and populate children
            if (!elm.hasChildNodes()) {
              createChildren(vnode, children, insertedVnodeQueue);
            } else {
              // v-html and domProps: innerHTML
              if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {
                if (i !== elm.innerHTML) {
                  /* istanbul ignore if */
                  if (typeof console !== 'undefined' &&
                    !hydrationBailed
                  ) {
                    hydrationBailed = true;
                    console.warn('Parent: ', elm);
                    console.warn('server innerHTML: ', i);
                    console.warn('client innerHTML: ', elm.innerHTML);
                  }
                  return false
                }
              } else {
                // iterate and compare children lists
                var childrenMatch = true;
                var childNode = elm.firstChild;
                for (var i$1 = 0; i$1 < children.length; i$1++) {
                  if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {
                    childrenMatch = false;
                    break
                  }
                  childNode = childNode.nextSibling;
                }
                // if childNode is not null, it means the actual childNodes list is
                // longer than the virtual children list.
                if (!childrenMatch || childNode) {
                  /* istanbul ignore if */
                  if (typeof console !== 'undefined' &&
                    !hydrationBailed
                  ) {
                    hydrationBailed = true;
                    console.warn('Parent: ', elm);
                    console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
                  }
                  return false
                }
              }
            }
          }
          if (isDef(data)) {
            var fullInvoke = false;
            for (var key in data) {
              if (!isRenderedModule(key)) {
                fullInvoke = true;
                invokeCreateHooks(vnode, insertedVnodeQueue);
                break
              }
            }
            if (!fullInvoke && data['class']) {
              // ensure collecting deps for deep class bindings for future updates
              traverse(data['class']);
            }
          }
        } else if (elm.data !== vnode.text) {
          elm.data = vnode.text;
        }
        return true
      }
  
      function assertNodeMatch (node, vnode, inVPre) {
        if (isDef(vnode.tag)) {
          return vnode.tag.indexOf('vue-component') === 0 || (
            !isUnknownElement$$1(vnode, inVPre) &&
            vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
          )
        } else {
          return node.nodeType === (vnode.isComment ? 8 : 3)
        }
      }
  
      return function patch (oldVnode, vnode, hydrating, removeOnly) {
        if (isUndef(vnode)) {
          if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }
          return
        }
  
        var isInitialPatch = false;
        var insertedVnodeQueue = [];
  
        if (isUndef(oldVnode)) {
          // empty mount (likely as component), create new root element
          isInitialPatch = true;
          createElm(vnode, insertedVnodeQueue);
        } else {
          var isRealElement = isDef(oldVnode.nodeType);
          if (!isRealElement && sameVnode(oldVnode, vnode)) {
            // patch existing root node
            patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);
          } else {
            if (isRealElement) {
              // mounting to a real element
              // check if this is server-rendered content and if we can perform
              // a successful hydration.
              if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
                oldVnode.removeAttribute(SSR_ATTR);
                hydrating = true;
              }
              if (isTrue(hydrating)) {
                if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
                  invokeInsertHook(vnode, insertedVnodeQueue, true);
                  return oldVnode
                } else {
                  warn(
                    'The client-side rendered virtual DOM tree is not matching ' +
                    'server-rendered content. This is likely caused by incorrect ' +
                    'HTML markup, for example nesting block-level elements inside ' +
                    '<p>, or missing <tbody>. Bailing hydration and performing ' +
                    'full client-side render.'
                  );
                }
              }
              // either not server-rendered, or hydration failed.
              // create an empty node and replace it
              oldVnode = emptyNodeAt(oldVnode);
            }
  
            // replacing existing element
            var oldElm = oldVnode.elm;
            var parentElm = nodeOps.parentNode(oldElm);
  
            // create new node
            createElm(
              vnode,
              insertedVnodeQueue,
              // extremely rare edge case: do not insert if old element is in a
              // leaving transition. Only happens when combining transition +
              // keep-alive + HOCs. (#4590)
              oldElm._leaveCb ? null : parentElm,
              nodeOps.nextSibling(oldElm)
            );
  
            // update parent placeholder node element, recursively
            if (isDef(vnode.parent)) {
              var ancestor = vnode.parent;
              var patchable = isPatchable(vnode);
              while (ancestor) {
                for (var i = 0; i < cbs.destroy.length; ++i) {
                  cbs.destroy[i](ancestor);
                }
                ancestor.elm = vnode.elm;
                if (patchable) {
                  for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
                    cbs.create[i$1](emptyNode, ancestor);
                  }
                  // #6513
                  // invoke insert hooks that may have been merged by create hooks.
                  // e.g. for directives that uses the "inserted" hook.
                  var insert = ancestor.data.hook.insert;
                  if (insert.merged) {
                    // start at index 1 to avoid re-invoking component mounted hook
                    for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {
                      insert.fns[i$2]();
                    }
                  }
                } else {
                  registerRef(ancestor);
                }
                ancestor = ancestor.parent;
              }
            }
  
            // destroy old node
            if (isDef(parentElm)) {
              removeVnodes(parentElm, [oldVnode], 0, 0);
            } else if (isDef(oldVnode.tag)) {
              invokeDestroyHook(oldVnode);
            }
          }
        }
  
        invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
        return vnode.elm
      }
    }
  
    /*  */
  
    var directives = {
      create: updateDirectives,
      update: updateDirectives,
      destroy: function unbindDirectives (vnode) {
        updateDirectives(vnode, emptyNode);
      }
    };
  
    function updateDirectives (oldVnode, vnode) {
      if (oldVnode.data.directives || vnode.data.directives) {
        _update(oldVnode, vnode);
      }
    }
  
    function _update (oldVnode, vnode) {
      var isCreate = oldVnode === emptyNode;
      var isDestroy = vnode === emptyNode;
      var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
      var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
  
      var dirsWithInsert = [];
      var dirsWithPostpatch = [];
  
      var key, oldDir, dir;
      for (key in newDirs) {
        oldDir = oldDirs[key];
        dir = newDirs[key];
        if (!oldDir) {
          // new directive, bind
          callHook$1(dir, 'bind', vnode, oldVnode);
          if (dir.def && dir.def.inserted) {
            dirsWithInsert.push(dir);
          }
        } else {
          // existing directive, update
          dir.oldValue = oldDir.value;
          dir.oldArg = oldDir.arg;
          callHook$1(dir, 'update', vnode, oldVnode);
          if (dir.def && dir.def.componentUpdated) {
            dirsWithPostpatch.push(dir);
          }
        }
      }
  
      if (dirsWithInsert.length) {
        var callInsert = function () {
          for (var i = 0; i < dirsWithInsert.length; i++) {
            callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
          }
        };
        if (isCreate) {
          mergeVNodeHook(vnode, 'insert', callInsert);
        } else {
          callInsert();
        }
      }
  
      if (dirsWithPostpatch.length) {
        mergeVNodeHook(vnode, 'postpatch', function () {
          for (var i = 0; i < dirsWithPostpatch.length; i++) {
            callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
          }
        });
      }
  
      if (!isCreate) {
        for (key in oldDirs) {
          if (!newDirs[key]) {
            // no longer present, unbind
            callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
          }
        }
      }
    }
  
    var emptyModifiers = Object.create(null);
  
    function normalizeDirectives$1 (
      dirs,
      vm
    ) {
      var res = Object.create(null);
      if (!dirs) {
        // $flow-disable-line
        return res
      }
      var i, dir;
      for (i = 0; i < dirs.length; i++) {
        dir = dirs[i];
        if (!dir.modifiers) {
          // $flow-disable-line
          dir.modifiers = emptyModifiers;
        }
        res[getRawDirName(dir)] = dir;
        dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
      }
      // $flow-disable-line
      return res
    }
  
    function getRawDirName (dir) {
      return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
    }
  
    function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {
      var fn = dir.def && dir.def[hook];
      if (fn) {
        try {
          fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
        } catch (e) {
          handleError(e, vnode.context, ("directive " + (dir.name) + " " + hook + " hook"));
        }
      }
    }
  
    var baseModules = [
      ref,
      directives
    ];
  
    /*  */
  
    function updateAttrs (oldVnode, vnode) {
      var opts = vnode.componentOptions;
      if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
        return
      }
      if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
        return
      }
      var key, cur, old;
      var elm = vnode.elm;
      var oldAttrs = oldVnode.data.attrs || {};
      var attrs = vnode.data.attrs || {};
      // clone observed objects, as the user probably wants to mutate it
      if (isDef(attrs.__ob__)) {
        attrs = vnode.data.attrs = extend({}, attrs);
      }
  
      for (key in attrs) {
        cur = attrs[key];
        old = oldAttrs[key];
        if (old !== cur) {
          setAttr(elm, key, cur);
        }
      }
      // #4391: in IE9, setting type can reset value for input[type=radio]
      // #6666: IE/Edge forces progress value down to 1 before setting a max
      /* istanbul ignore if */
      if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {
        setAttr(elm, 'value', attrs.value);
      }
      for (key in oldAttrs) {
        if (isUndef(attrs[key])) {
          if (isXlink(key)) {
            elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
          } else if (!isEnumeratedAttr(key)) {
            elm.removeAttribute(key);
          }
        }
      }
    }
  
    function setAttr (el, key, value) {
      if (el.tagName.indexOf('-') > -1) {
        baseSetAttr(el, key, value);
      } else if (isBooleanAttr(key)) {
        // set attribute for blank value
        // e.g. <option disabled>Select one</option>
        if (isFalsyAttrValue(value)) {
          el.removeAttribute(key);
        } else {
          // technically allowfullscreen is a boolean attribute for <iframe>,
          // but Flash expects a value of "true" when used on <embed> tag
          value = key === 'allowfullscreen' && el.tagName === 'EMBED'
            ? 'true'
            : key;
          el.setAttribute(key, value);
        }
      } else if (isEnumeratedAttr(key)) {
        el.setAttribute(key, convertEnumeratedValue(key, value));
      } else if (isXlink(key)) {
        if (isFalsyAttrValue(value)) {
          el.removeAttributeNS(xlinkNS, getXlinkProp(key));
        } else {
          el.setAttributeNS(xlinkNS, key, value);
        }
      } else {
        baseSetAttr(el, key, value);
      }
    }
  
    function baseSetAttr (el, key, value) {
      if (isFalsyAttrValue(value)) {
        el.removeAttribute(key);
      } else {
        // #7138: IE10 & 11 fires input event when setting placeholder on
        // <textarea>... block the first input event and remove the blocker
        // immediately.
        /* istanbul ignore if */
        if (
          isIE && !isIE9 &&
          el.tagName === 'TEXTAREA' &&
          key === 'placeholder' && value !== '' && !el.__ieph
        ) {
          var blocker = function (e) {
            e.stopImmediatePropagation();
            el.removeEventListener('input', blocker);
          };
          el.addEventListener('input', blocker);
          // $flow-disable-line
          el.__ieph = true; /* IE placeholder patched */
        }
        el.setAttribute(key, value);
      }
    }
  
    var attrs = {
      create: updateAttrs,
      update: updateAttrs
    };
  
    /*  */
  
    function updateClass (oldVnode, vnode) {
      var el = vnode.elm;
      var data = vnode.data;
      var oldData = oldVnode.data;
      if (
        isUndef(data.staticClass) &&
        isUndef(data.class) && (
          isUndef(oldData) || (
            isUndef(oldData.staticClass) &&
            isUndef(oldData.class)
          )
        )
      ) {
        return
      }
  
      var cls = genClassForVnode(vnode);
  
      // handle transition classes
      var transitionClass = el._transitionClasses;
      if (isDef(transitionClass)) {
        cls = concat(cls, stringifyClass(transitionClass));
      }
  
      // set the class
      if (cls !== el._prevClass) {
        el.setAttribute('class', cls);
        el._prevClass = cls;
      }
    }
  
    var klass = {
      create: updateClass,
      update: updateClass
    };
  
    /*  */
  
    var validDivisionCharRE = /[\w).+\-_$\]]/;
  
    function parseFilters (exp) {
      var inSingle = false;
      var inDouble = false;
      var inTemplateString = false;
      var inRegex = false;
      var curly = 0;
      var square = 0;
      var paren = 0;
      var lastFilterIndex = 0;
      var c, prev, i, expression, filters;
  
      for (i = 0; i < exp.length; i++) {
        prev = c;
        c = exp.charCodeAt(i);
        if (inSingle) {
          if (c === 0x27 && prev !== 0x5C) { inSingle = false; }
        } else if (inDouble) {
          if (c === 0x22 && prev !== 0x5C) { inDouble = false; }
        } else if (inTemplateString) {
          if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }
        } else if (inRegex) {
          if (c === 0x2f && prev !== 0x5C) { inRegex = false; }
        } else if (
          c === 0x7C && // pipe
          exp.charCodeAt(i + 1) !== 0x7C &&
          exp.charCodeAt(i - 1) !== 0x7C &&
          !curly && !square && !paren
        ) {
          if (expression === undefined) {
            // first filter, end of expression
            lastFilterIndex = i + 1;
            expression = exp.slice(0, i).trim();
          } else {
            pushFilter();
          }
        } else {
          switch (c) {
            case 0x22: inDouble = true; break         // "
            case 0x27: inSingle = true; break         // '
            case 0x60: inTemplateString = true; break // `
            case 0x28: paren++; break                 // (
            case 0x29: paren--; break                 // )
            case 0x5B: square++; break                // [
            case 0x5D: square--; break                // ]
            case 0x7B: curly++; break                 // {
            case 0x7D: curly--; break                 // }
          }
          if (c === 0x2f) { // /
            var j = i - 1;
            var p = (void 0);
            // find first non-whitespace prev char
            for (; j >= 0; j--) {
              p = exp.charAt(j);
              if (p !== ' ') { break }
            }
            if (!p || !validDivisionCharRE.test(p)) {
              inRegex = true;
            }
          }
        }
      }
  
      if (expression === undefined) {
        expression = exp.slice(0, i).trim();
      } else if (lastFilterIndex !== 0) {
        pushFilter();
      }
  
      function pushFilter () {
        (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
        lastFilterIndex = i + 1;
      }
  
      if (filters) {
        for (i = 0; i < filters.length; i++) {
          expression = wrapFilter(expression, filters[i]);
        }
      }
  
      return expression
    }
  
    function wrapFilter (exp, filter) {
      var i = filter.indexOf('(');
      if (i < 0) {
        // _f: resolveFilter
        return ("_f(\"" + filter + "\")(" + exp + ")")
      } else {
        var name = filter.slice(0, i);
        var args = filter.slice(i + 1);
        return ("_f(\"" + name + "\")(" + exp + (args !== ')' ? ',' + args : args))
      }
    }
  
    /*  */
  
  
  
    /* eslint-disable no-unused-vars */
    function baseWarn (msg, range) {
      console.error(("[Vue compiler]: " + msg));
    }
    /* eslint-enable no-unused-vars */
  
    function pluckModuleFunction (
      modules,
      key
    ) {
      return modules
        ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
        : []
    }
  
    function addProp (el, name, value, range, dynamic) {
      (el.props || (el.props = [])).push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
      el.plain = false;
    }
  
    function addAttr (el, name, value, range, dynamic) {
      var attrs = dynamic
        ? (el.dynamicAttrs || (el.dynamicAttrs = []))
        : (el.attrs || (el.attrs = []));
      attrs.push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
      el.plain = false;
    }
  
    // add a raw attr (use this in preTransforms)
    function addRawAttr (el, name, value, range) {
      el.attrsMap[name] = value;
      el.attrsList.push(rangeSetItem({ name: name, value: value }, range));
    }
  
    function addDirective (
      el,
      name,
      rawName,
      value,
      arg,
      isDynamicArg,
      modifiers,
      range
    ) {
      (el.directives || (el.directives = [])).push(rangeSetItem({
        name: name,
        rawName: rawName,
        value: value,
        arg: arg,
        isDynamicArg: isDynamicArg,
        modifiers: modifiers
      }, range));
      el.plain = false;
    }
  
    function prependModifierMarker (symbol, name, dynamic) {
      return dynamic
        ? ("_p(" + name + ",\"" + symbol + "\")")
        : symbol + name // mark the event as captured
    }
  
    function addHandler (
      el,
      name,
      value,
      modifiers,
      important,
      warn,
      range,
      dynamic
    ) {
      modifiers = modifiers || emptyObject;
      // warn prevent and passive modifier
      /* istanbul ignore if */
      if (
        warn &&
        modifiers.prevent && modifiers.passive
      ) {
        warn(
          'passive and prevent can\'t be used together. ' +
          'Passive handler can\'t prevent default event.',
          range
        );
      }
  
      // normalize click.right and click.middle since they don't actually fire
      // this is technically browser-specific, but at least for now browsers are
      // the only target envs that have right/middle clicks.
      if (modifiers.right) {
        if (dynamic) {
          name = "(" + name + ")==='click'?'contextmenu':(" + name + ")";
        } else if (name === 'click') {
          name = 'contextmenu';
          delete modifiers.right;
        }
      } else if (modifiers.middle) {
        if (dynamic) {
          name = "(" + name + ")==='click'?'mouseup':(" + name + ")";
        } else if (name === 'click') {
          name = 'mouseup';
        }
      }
  
      // check capture modifier
      if (modifiers.capture) {
        delete modifiers.capture;
        name = prependModifierMarker('!', name, dynamic);
      }
      if (modifiers.once) {
        delete modifiers.once;
        name = prependModifierMarker('~', name, dynamic);
      }
      /* istanbul ignore if */
      if (modifiers.passive) {
        delete modifiers.passive;
        name = prependModifierMarker('&', name, dynamic);
      }
  
      var events;
      if (modifiers.native) {
        delete modifiers.native;
        events = el.nativeEvents || (el.nativeEvents = {});
      } else {
        events = el.events || (el.events = {});
      }
  
      var newHandler = rangeSetItem({ value: value.trim(), dynamic: dynamic }, range);
      if (modifiers !== emptyObject) {
        newHandler.modifiers = modifiers;
      }
  
      var handlers = events[name];
      /* istanbul ignore if */
      if (Array.isArray(handlers)) {
        important ? handlers.unshift(newHandler) : handlers.push(newHandler);
      } else if (handlers) {
        events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
      } else {
        events[name] = newHandler;
      }
  
      el.plain = false;
    }
  
    function getRawBindingAttr (
      el,
      name
    ) {
      return el.rawAttrsMap[':' + name] ||
        el.rawAttrsMap['v-bind:' + name] ||
        el.rawAttrsMap[name]
    }
  
    function getBindingAttr (
      el,
      name,
      getStatic
    ) {
      var dynamicValue =
        getAndRemoveAttr(el, ':' + name) ||
        getAndRemoveAttr(el, 'v-bind:' + name);
      if (dynamicValue != null) {
        return parseFilters(dynamicValue)
      } else if (getStatic !== false) {
        var staticValue = getAndRemoveAttr(el, name);
        if (staticValue != null) {
          return JSON.stringify(staticValue)
        }
      }
    }
  
    // note: this only removes the attr from the Array (attrsList) so that it
    // doesn't get processed by processAttrs.
    // By default it does NOT remove it from the map (attrsMap) because the map is
    // needed during codegen.
    function getAndRemoveAttr (
      el,
      name,
      removeFromMap
    ) {
      var val;
      if ((val = el.attrsMap[name]) != null) {
        var list = el.attrsList;
        for (var i = 0, l = list.length; i < l; i++) {
          if (list[i].name === name) {
            list.splice(i, 1);
            break
          }
        }
      }
      if (removeFromMap) {
        delete el.attrsMap[name];
      }
      return val
    }
  
    function getAndRemoveAttrByRegex (
      el,
      name
    ) {
      var list = el.attrsList;
      for (var i = 0, l = list.length; i < l; i++) {
        var attr = list[i];
        if (name.test(attr.name)) {
          list.splice(i, 1);
          return attr
        }
      }
    }
  
    function rangeSetItem (
      item,
      range
    ) {
      if (range) {
        if (range.start != null) {
          item.start = range.start;
        }
        if (range.end != null) {
          item.end = range.end;
        }
      }
      return item
    }
  
    /*  */
  
    /**
     * Cross-platform code generation for component v-model
     */
    function genComponentModel (
      el,
      value,
      modifiers
    ) {
      var ref = modifiers || {};
      var number = ref.number;
      var trim = ref.trim;
  
      var baseValueExpression = '$$v';
      var valueExpression = baseValueExpression;
      if (trim) {
        valueExpression =
          "(typeof " + baseValueExpression + " === 'string'" +
          "? " + baseValueExpression + ".trim()" +
          ": " + baseValueExpression + ")";
      }
      if (number) {
        valueExpression = "_n(" + valueExpression + ")";
      }
      var assignment = genAssignmentCode(value, valueExpression);
  
      el.model = {
        value: ("(" + value + ")"),
        expression: JSON.stringify(value),
        callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
      };
    }
  
    /**
     * Cross-platform codegen helper for generating v-model value assignment code.
     */
    function genAssignmentCode (
      value,
      assignment
    ) {
      var res = parseModel(value);
      if (res.key === null) {
        return (value + "=" + assignment)
      } else {
        return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")")
      }
    }
  
    /**
     * Parse a v-model expression into a base path and a final key segment.
     * Handles both dot-path and possible square brackets.
     *
     * Possible cases:
     *
     * - test
     * - test[key]
     * - test[test1[key]]
     * - test["a"][key]
     * - xxx.test[a[a].test1[key]]
     * - test.xxx.a["asa"][test1[key]]
     *
     */
  
    var len, str, chr, index$1, expressionPos, expressionEndPos;
  
  
  
    function parseModel (val) {
      // Fix https://github.com/vuejs/vue/pull/7730
      // allow v-model="obj.val " (trailing whitespace)
      val = val.trim();
      len = val.length;
  
      if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
        index$1 = val.lastIndexOf('.');
        if (index$1 > -1) {
          return {
            exp: val.slice(0, index$1),
            key: '"' + val.slice(index$1 + 1) + '"'
          }
        } else {
          return {
            exp: val,
            key: null
          }
        }
      }
  
      str = val;
      index$1 = expressionPos = expressionEndPos = 0;
  
      while (!eof()) {
        chr = next();
        /* istanbul ignore if */
        if (isStringStart(chr)) {
          parseString(chr);
        } else if (chr === 0x5B) {
          parseBracket(chr);
        }
      }
  
      return {
        exp: val.slice(0, expressionPos),
        key: val.slice(expressionPos + 1, expressionEndPos)
      }
    }
  
    function next () {
      return str.charCodeAt(++index$1)
    }
  
    function eof () {
      return index$1 >= len
    }
  
    function isStringStart (chr) {
      return chr === 0x22 || chr === 0x27
    }
  
    function parseBracket (chr) {
      var inBracket = 1;
      expressionPos = index$1;
      while (!eof()) {
        chr = next();
        if (isStringStart(chr)) {
          parseString(chr);
          continue
        }
        if (chr === 0x5B) { inBracket++; }
        if (chr === 0x5D) { inBracket--; }
        if (inBracket === 0) {
          expressionEndPos = index$1;
          break
        }
      }
    }
  
    function parseString (chr) {
      var stringQuote = chr;
      while (!eof()) {
        chr = next();
        if (chr === stringQuote) {
          break
        }
      }
    }
  
    /*  */
  
    var warn$1;
  
    // in some cases, the event used has to be determined at runtime
    // so we used some reserved tokens during compile.
    var RANGE_TOKEN = '__r';
    var CHECKBOX_RADIO_TOKEN = '__c';
  
    function model (
      el,
      dir,
      _warn
    ) {
      warn$1 = _warn;
      var value = dir.value;
      var modifiers = dir.modifiers;
      var tag = el.tag;
      var type = el.attrsMap.type;
  
      {
        // inputs with type="file" are read only and setting the input's
        // value will throw an error.
        if (tag === 'input' && type === 'file') {
          warn$1(
            "<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
            "File inputs are read only. Use a v-on:change listener instead.",
            el.rawAttrsMap['v-model']
          );
        }
      }
  
      if (el.component) {
        genComponentModel(el, value, modifiers);
        // component v-model doesn't need extra runtime
        return false
      } else if (tag === 'select') {
        genSelect(el, value, modifiers);
      } else if (tag === 'input' && type === 'checkbox') {
        genCheckboxModel(el, value, modifiers);
      } else if (tag === 'input' && type === 'radio') {
        genRadioModel(el, value, modifiers);
      } else if (tag === 'input' || tag === 'textarea') {
        genDefaultModel(el, value, modifiers);
      } else if (!config.isReservedTag(tag)) {
        genComponentModel(el, value, modifiers);
        // component v-model doesn't need extra runtime
        return false
      } else {
        warn$1(
          "<" + (el.tag) + " v-model=\"" + value + "\">: " +
          "v-model is not supported on this element type. " +
          'If you are working with contenteditable, it\'s recommended to ' +
          'wrap a library dedicated for that purpose inside a custom component.',
          el.rawAttrsMap['v-model']
        );
      }
  
      // ensure runtime directive metadata
      return true
    }
  
    function genCheckboxModel (
      el,
      value,
      modifiers
    ) {
      var number = modifiers && modifiers.number;
      var valueBinding = getBindingAttr(el, 'value') || 'null';
      var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
      var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
      addProp(el, 'checked',
        "Array.isArray(" + value + ")" +
        "?_i(" + value + "," + valueBinding + ")>-1" + (
          trueValueBinding === 'true'
            ? (":(" + value + ")")
            : (":_q(" + value + "," + trueValueBinding + ")")
        )
      );
      addHandler(el, 'change',
        "var $$a=" + value + "," +
            '$$el=$event.target,' +
            "$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
        'if(Array.isArray($$a)){' +
          "var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
              '$$i=_i($$a,$$v);' +
          "if($$el.checked){$$i<0&&(" + (genAssignmentCode(value, '$$a.concat([$$v])')) + ")}" +
          "else{$$i>-1&&(" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + ")}" +
        "}else{" + (genAssignmentCode(value, '$$c')) + "}",
        null, true
      );
    }
  
    function genRadioModel (
      el,
      value,
      modifiers
    ) {
      var number = modifiers && modifiers.number;
      var valueBinding = getBindingAttr(el, 'value') || 'null';
      valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
      addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
      addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
    }
  
    function genSelect (
      el,
      value,
      modifiers
    ) {
      var number = modifiers && modifiers.number;
      var selectedVal = "Array.prototype.filter" +
        ".call($event.target.options,function(o){return o.selected})" +
        ".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
        "return " + (number ? '_n(val)' : 'val') + "})";
  
      var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
      var code = "var $$selectedVal = " + selectedVal + ";";
      code = code + " " + (genAssignmentCode(value, assignment));
      addHandler(el, 'change', code, null, true);
    }
  
    function genDefaultModel (
      el,
      value,
      modifiers
    ) {
      var type = el.attrsMap.type;
  
      // warn if v-bind:value conflicts with v-model
      // except for inputs with v-bind:type
      {
        var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];
        var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
        if (value$1 && !typeBinding) {
          var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
          warn$1(
            binding + "=\"" + value$1 + "\" conflicts with v-model on the same element " +
            'because the latter already expands to a value binding internally',
            el.rawAttrsMap[binding]
          );
        }
      }
  
      var ref = modifiers || {};
      var lazy = ref.lazy;
      var number = ref.number;
      var trim = ref.trim;
      var needCompositionGuard = !lazy && type !== 'range';
      var event = lazy
        ? 'change'
        : type === 'range'
          ? RANGE_TOKEN
          : 'input';
  
      var valueExpression = '$event.target.value';
      if (trim) {
        valueExpression = "$event.target.value.trim()";
      }
      if (number) {
        valueExpression = "_n(" + valueExpression + ")";
      }
  
      var code = genAssignmentCode(value, valueExpression);
      if (needCompositionGuard) {
        code = "if($event.target.composing)return;" + code;
      }
  
      addProp(el, 'value', ("(" + value + ")"));
      addHandler(el, event, code, null, true);
      if (trim || number) {
        addHandler(el, 'blur', '$forceUpdate()');
      }
    }
  
    /*  */
  
    // normalize v-model event tokens that can only be determined at runtime.
    // it's important to place the event as the first in the array because
    // the whole point is ensuring the v-model callback gets called before
    // user-attached handlers.
    function normalizeEvents (on) {
      /* istanbul ignore if */
      if (isDef(on[RANGE_TOKEN])) {
        // IE input[type=range] only supports `change` event
        var event = isIE ? 'change' : 'input';
        on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
        delete on[RANGE_TOKEN];
      }
      // This was originally intended to fix #4521 but no longer necessary
      // after 2.5. Keeping it for backwards compat with generated code from < 2.4
      /* istanbul ignore if */
      if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
        on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);
        delete on[CHECKBOX_RADIO_TOKEN];
      }
    }
  
    var target$1;
  
    function createOnceHandler$1 (event, handler, capture) {
      var _target = target$1; // save current target element in closure
      return function onceHandler () {
        var res = handler.apply(null, arguments);
        if (res !== null) {
          remove$2(event, onceHandler, capture, _target);
        }
      }
    }
  
    // #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp
    // implementation and does not fire microtasks in between event propagation, so
    // safe to exclude.
    var useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53);
  
    function add$1 (
      name,
      handler,
      capture,
      passive
    ) {
      // async edge case #6566: inner click event triggers patch, event handler
      // attached to outer element during patch, and triggered again. This
      // happens because browsers fire microtask ticks between event propagation.
      // the solution is simple: we save the timestamp when a handler is attached,
      // and the handler would only fire if the event passed to it was fired
      // AFTER it was attached.
      if (useMicrotaskFix) {
        var attachedTimestamp = currentFlushTimestamp;
        var original = handler;
        handler = original._wrapper = function (e) {
          if (
            // no bubbling, should always fire.
            // this is just a safety net in case event.timeStamp is unreliable in
            // certain weird environments...
            e.target === e.currentTarget ||
            // event is fired after handler attachment
            e.timeStamp >= attachedTimestamp ||
            // bail for environments that have buggy event.timeStamp implementations
            // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
            // #9681 QtWebEngine event.timeStamp is negative value
            e.timeStamp <= 0 ||
            // #9448 bail if event is fired in another document in a multi-page
            // electron/nw.js app, since event.timeStamp will be using a different
            // starting reference
            e.target.ownerDocument !== document
          ) {
            return original.apply(this, arguments)
          }
        };
      }
      target$1.addEventListener(
        name,
        handler,
        supportsPassive
          ? { capture: capture, passive: passive }
          : capture
      );
    }
  
    function remove$2 (
      name,
      handler,
      capture,
      _target
    ) {
      (_target || target$1).removeEventListener(
        name,
        handler._wrapper || handler,
        capture
      );
    }
  
    function updateDOMListeners (oldVnode, vnode) {
      if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
        return
      }
      var on = vnode.data.on || {};
      var oldOn = oldVnode.data.on || {};
      target$1 = vnode.elm;
      normalizeEvents(on);
      updateListeners(on, oldOn, add$1, remove$2, createOnceHandler$1, vnode.context);
      target$1 = undefined;
    }
  
    var events = {
      create: updateDOMListeners,
      update: updateDOMListeners
    };
  
    /*  */
  
    var svgContainer;
  
    function updateDOMProps (oldVnode, vnode) {
      if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
        return
      }
      var key, cur;
      var elm = vnode.elm;
      var oldProps = oldVnode.data.domProps || {};
      var props = vnode.data.domProps || {};
      // clone observed objects, as the user probably wants to mutate it
      if (isDef(props.__ob__)) {
        props = vnode.data.domProps = extend({}, props);
      }
  
      for (key in oldProps) {
        if (!(key in props)) {
          elm[key] = '';
        }
      }
  
      for (key in props) {
        cur = props[key];
        // ignore children if the node has textContent or innerHTML,
        // as these will throw away existing DOM nodes and cause removal errors
        // on subsequent patches (#3360)
        if (key === 'textContent' || key === 'innerHTML') {
          if (vnode.children) { vnode.children.length = 0; }
          if (cur === oldProps[key]) { continue }
          // #6601 work around Chrome version <= 55 bug where single textNode
          // replaced by innerHTML/textContent retains its parentNode property
          if (elm.childNodes.length === 1) {
            elm.removeChild(elm.childNodes[0]);
          }
        }
  
        if (key === 'value' && elm.tagName !== 'PROGRESS') {
          // store value as _value as well since
          // non-string values will be stringified
          elm._value = cur;
          // avoid resetting cursor position when value is the same
          var strCur = isUndef(cur) ? '' : String(cur);
          if (shouldUpdateValue(elm, strCur)) {
            elm.value = strCur;
          }
        } else if (key === 'innerHTML' && isSVG(elm.tagName) && isUndef(elm.innerHTML)) {
          // IE doesn't support innerHTML for SVG elements
          svgContainer = svgContainer || document.createElement('div');
          svgContainer.innerHTML = "<svg>" + cur + "</svg>";
          var svg = svgContainer.firstChild;
          while (elm.firstChild) {
            elm.removeChild(elm.firstChild);
          }
          while (svg.firstChild) {
            elm.appendChild(svg.firstChild);
          }
        } else if (
          // skip the update if old and new VDOM state is the same.
          // `value` is handled separately because the DOM value may be temporarily
          // out of sync with VDOM state due to focus, composition and modifiers.
          // This  #4521 by skipping the unnecesarry `checked` update.
          cur !== oldProps[key]
        ) {
          // some property updates can throw
          // e.g. `value` on <progress> w/ non-finite value
          try {
            elm[key] = cur;
          } catch (e) {}
        }
      }
    }
  
    // check platforms/web/util/attrs.js acceptValue
  
  
    function shouldUpdateValue (elm, checkVal) {
      return (!elm.composing && (
        elm.tagName === 'OPTION' ||
        isNotInFocusAndDirty(elm, checkVal) ||
        isDirtyWithModifiers(elm, checkVal)
      ))
    }
  
    function isNotInFocusAndDirty (elm, checkVal) {
      // return true when textbox (.number and .trim) loses focus and its value is
      // not equal to the updated value
      var notInFocus = true;
      // #6157
      // work around IE bug when accessing document.activeElement in an iframe
      try { notInFocus = document.activeElement !== elm; } catch (e) {}
      return notInFocus && elm.value !== checkVal
    }
  
    function isDirtyWithModifiers (elm, newVal) {
      var value = elm.value;
      var modifiers = elm._vModifiers; // injected by v-model runtime
      if (isDef(modifiers)) {
        if (modifiers.number) {
          return toNumber(value) !== toNumber(newVal)
        }
        if (modifiers.trim) {
          return value.trim() !== newVal.trim()
        }
      }
      return value !== newVal
    }
  
    var domProps = {
      create: updateDOMProps,
      update: updateDOMProps
    };
  
    /*  */
  
    var parseStyleText = cached(function (cssText) {
      var res = {};
      var listDelimiter = /;(?![^(]*\))/g;
      var propertyDelimiter = /:(.+)/;
      cssText.split(listDelimiter).forEach(function (item) {
        if (item) {
          var tmp = item.split(propertyDelimiter);
          tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
        }
      });
      return res
    });
  
    // merge static and dynamic style data on the same vnode
    function normalizeStyleData (data) {
      var style = normalizeStyleBinding(data.style);
      // static style is pre-processed into an object during compilation
      // and is always a fresh object, so it's safe to merge into it
      return data.staticStyle
        ? extend(data.staticStyle, style)
        : style
    }
  
    // normalize possible array / string values into Object
    function normalizeStyleBinding (bindingStyle) {
      if (Array.isArray(bindingStyle)) {
        return toObject(bindingStyle)
      }
      if (typeof bindingStyle === 'string') {
        return parseStyleText(bindingStyle)
      }
      return bindingStyle
    }
  
    /**
     * parent component style should be after child's
     * so that parent component's style could override it
     */
    function getStyle (vnode, checkChild) {
      var res = {};
      var styleData;
  
      if (checkChild) {
        var childNode = vnode;
        while (childNode.componentInstance) {
          childNode = childNode.componentInstance._vnode;
          if (
            childNode && childNode.data &&
            (styleData = normalizeStyleData(childNode.data))
          ) {
            extend(res, styleData);
          }
        }
      }
  
      if ((styleData = normalizeStyleData(vnode.data))) {
        extend(res, styleData);
      }
  
      var parentNode = vnode;
      while ((parentNode = parentNode.parent)) {
        if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
          extend(res, styleData);
        }
      }
      return res
    }
  
    /*  */
  
    var cssVarRE = /^--/;
    var importantRE = /\s*!important$/;
    var setProp = function (el, name, val) {
      /* istanbul ignore if */
      if (cssVarRE.test(name)) {
        el.style.setProperty(name, val);
      } else if (importantRE.test(val)) {
        el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important');
      } else {
        var normalizedName = normalize(name);
        if (Array.isArray(val)) {
          // Support values array created by autoprefixer, e.g.
          // {display: ["-webkit-box", "-ms-flexbox", "flex"]}
          // Set them one by one, and the browser will only set those it can recognize
          for (var i = 0, len = val.length; i < len; i++) {
            el.style[normalizedName] = val[i];
          }
        } else {
          el.style[normalizedName] = val;
        }
      }
    };
  
    var vendorNames = ['Webkit', 'Moz', 'ms'];
  
    var emptyStyle;
    var normalize = cached(function (prop) {
      emptyStyle = emptyStyle || document.createElement('div').style;
      prop = camelize(prop);
      if (prop !== 'filter' && (prop in emptyStyle)) {
        return prop
      }
      var capName = prop.charAt(0).toUpperCase() + prop.slice(1);
      for (var i = 0; i < vendorNames.length; i++) {
        var name = vendorNames[i] + capName;
        if (name in emptyStyle) {
          return name
        }
      }
    });
  
    function updateStyle (oldVnode, vnode) {
      var data = vnode.data;
      var oldData = oldVnode.data;
  
      if (isUndef(data.staticStyle) && isUndef(data.style) &&
        isUndef(oldData.staticStyle) && isUndef(oldData.style)
      ) {
        return
      }
  
      var cur, name;
      var el = vnode.elm;
      var oldStaticStyle = oldData.staticStyle;
      var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};
  
      // if static style exists, stylebinding already merged into it when doing normalizeStyleData
      var oldStyle = oldStaticStyle || oldStyleBinding;
  
      var style = normalizeStyleBinding(vnode.data.style) || {};
  
      // store normalized style under a different key for next diff
      // make sure to clone it if it's reactive, since the user likely wants
      // to mutate it.
      vnode.data.normalizedStyle = isDef(style.__ob__)
        ? extend({}, style)
        : style;
  
      var newStyle = getStyle(vnode, true);
  
      for (name in oldStyle) {
        if (isUndef(newStyle[name])) {
          setProp(el, name, '');
        }
      }
      for (name in newStyle) {
        cur = newStyle[name];
        if (cur !== oldStyle[name]) {
          // ie9 setting to null has no effect, must use empty string
          setProp(el, name, cur == null ? '' : cur);
        }
      }
    }
  
    var style = {
      create: updateStyle,
      update: updateStyle
    };
  
    /*  */
  
    var whitespaceRE = /\s+/;
  
    /**
     * Add class with compatibility for SVG since classList is not supported on
     * SVG elements in IE
     */
    function addClass (el, cls) {
      /* istanbul ignore if */
      if (!cls || !(cls = cls.trim())) {
        return
      }
  
      /* istanbul ignore else */
      if (el.classList) {
        if (cls.indexOf(' ') > -1) {
          cls.split(whitespaceRE).forEach(function (c) { return el.classList.add(c); });
        } else {
          el.classList.add(cls);
        }
      } else {
        var cur = " " + (el.getAttribute('class') || '') + " ";
        if (cur.indexOf(' ' + cls + ' ') < 0) {
          el.setAttribute('class', (cur + cls).trim());
        }
      }
    }
  
    /**
     * Remove class with compatibility for SVG since classList is not supported on
     * SVG elements in IE
     */
    function removeClass (el, cls) {
      /* istanbul ignore if */
      if (!cls || !(cls = cls.trim())) {
        return
      }
  
      /* istanbul ignore else */
      if (el.classList) {
        if (cls.indexOf(' ') > -1) {
          cls.split(whitespaceRE).forEach(function (c) { return el.classList.remove(c); });
        } else {
          el.classList.remove(cls);
        }
        if (!el.classList.length) {
          el.removeAttribute('class');
        }
      } else {
        var cur = " " + (el.getAttribute('class') || '') + " ";
        var tar = ' ' + cls + ' ';
        while (cur.indexOf(tar) >= 0) {
          cur = cur.replace(tar, ' ');
        }
        cur = cur.trim();
        if (cur) {
          el.setAttribute('class', cur);
        } else {
          el.removeAttribute('class');
        }
      }
    }
  
    /*  */
  
    function resolveTransition (def$$1) {
      if (!def$$1) {
        return
      }
      /* istanbul ignore else */
      if (typeof def$$1 === 'object') {
        var res = {};
        if (def$$1.css !== false) {
          extend(res, autoCssTransition(def$$1.name || 'v'));
        }
        extend(res, def$$1);
        return res
      } else if (typeof def$$1 === 'string') {
        return autoCssTransition(def$$1)
      }
    }
  
    var autoCssTransition = cached(function (name) {
      return {
        enterClass: (name + "-enter"),
        enterToClass: (name + "-enter-to"),
        enterActiveClass: (name + "-enter-active"),
        leaveClass: (name + "-leave"),
        leaveToClass: (name + "-leave-to"),
        leaveActiveClass: (name + "-leave-active")
      }
    });
  
    var hasTransition = inBrowser && !isIE9;
    var TRANSITION = 'transition';
    var ANIMATION = 'animation';
  
    // Transition property/event sniffing
    var transitionProp = 'transition';
    var transitionEndEvent = 'transitionend';
    var animationProp = 'animation';
    var animationEndEvent = 'animationend';
    if (hasTransition) {
      /* istanbul ignore if */
      if (window.ontransitionend === undefined &&
        window.onwebkittransitionend !== undefined
      ) {
        transitionProp = 'WebkitTransition';
        transitionEndEvent = 'webkitTransitionEnd';
      }
      if (window.onanimationend === undefined &&
        window.onwebkitanimationend !== undefined
      ) {
        animationProp = 'WebkitAnimation';
        animationEndEvent = 'webkitAnimationEnd';
      }
    }
  
    // binding to window is necessary to make hot reload work in IE in strict mode
    var raf = inBrowser
      ? window.requestAnimationFrame
        ? window.requestAnimationFrame.bind(window)
        : setTimeout
      : /* istanbul ignore next */ function (fn) { return fn(); };
  
    function nextFrame (fn) {
      raf(function () {
        raf(fn);
      });
    }
  
    function addTransitionClass (el, cls) {
      var transitionClasses = el._transitionClasses || (el._transitionClasses = []);
      if (transitionClasses.indexOf(cls) < 0) {
        transitionClasses.push(cls);
        addClass(el, cls);
      }
    }
  
    function removeTransitionClass (el, cls) {
      if (el._transitionClasses) {
        remove(el._transitionClasses, cls);
      }
      removeClass(el, cls);
    }
  
    function whenTransitionEnds (
      el,
      expectedType,
      cb
    ) {
      var ref = getTransitionInfo(el, expectedType);
      var type = ref.type;
      var timeout = ref.timeout;
      var propCount = ref.propCount;
      if (!type) { return cb() }
      var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
      var ended = 0;
      var end = function () {
        el.removeEventListener(event, onEnd);
        cb();
      };
      var onEnd = function (e) {
        if (e.target === el) {
          if (++ended >= propCount) {
            end();
          }
        }
      };
      setTimeout(function () {
        if (ended < propCount) {
          end();
        }
      }, timeout + 1);
      el.addEventListener(event, onEnd);
    }
  
    var transformRE = /\b(transform|all)(,|$)/;
  
    function getTransitionInfo (el, expectedType) {
      var styles = window.getComputedStyle(el);
      // JSDOM may return undefined for transition properties
      var transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', ');
      var transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', ');
      var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
      var animationDelays = (styles[animationProp + 'Delay'] || '').split(', ');
      var animationDurations = (styles[animationProp + 'Duration'] || '').split(', ');
      var animationTimeout = getTimeout(animationDelays, animationDurations);
  
      var type;
      var timeout = 0;
      var propCount = 0;
      /* istanbul ignore if */
      if (expectedType === TRANSITION) {
        if (transitionTimeout > 0) {
          type = TRANSITION;
          timeout = transitionTimeout;
          propCount = transitionDurations.length;
        }
      } else if (expectedType === ANIMATION) {
        if (animationTimeout > 0) {
          type = ANIMATION;
          timeout = animationTimeout;
          propCount = animationDurations.length;
        }
      } else {
        timeout = Math.max(transitionTimeout, animationTimeout);
        type = timeout > 0
          ? transitionTimeout > animationTimeout
            ? TRANSITION
            : ANIMATION
          : null;
        propCount = type
          ? type === TRANSITION
            ? transitionDurations.length
            : animationDurations.length
          : 0;
      }
      var hasTransform =
        type === TRANSITION &&
        transformRE.test(styles[transitionProp + 'Property']);
      return {
        type: type,
        timeout: timeout,
        propCount: propCount,
        hasTransform: hasTransform
      }
    }
  
    function getTimeout (delays, durations) {
      /* istanbul ignore next */
      while (delays.length < durations.length) {
        delays = delays.concat(delays);
      }
  
      return Math.max.apply(null, durations.map(function (d, i) {
        return toMs(d) + toMs(delays[i])
      }))
    }
  
    // Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers
    // in a locale-dependent way, using a comma instead of a dot.
    // If comma is not replaced with a dot, the input will be rounded down (i.e. acting
    // as a floor function) causing unexpected behaviors
    function toMs (s) {
      return Number(s.slice(0, -1).replace(',', '.')) * 1000
    }
  
    /*  */
  
    function enter (vnode, toggleDisplay) {
      var el = vnode.elm;
  
      // call leave callback now
      if (isDef(el._leaveCb)) {
        el._leaveCb.cancelled = true;
        el._leaveCb();
      }
  
      var data = resolveTransition(vnode.data.transition);
      if (isUndef(data)) {
        return
      }
  
      /* istanbul ignore if */
      if (isDef(el._enterCb) || el.nodeType !== 1) {
        return
      }
  
      var css = data.css;
      var type = data.type;
      var enterClass = data.enterClass;
      var enterToClass = data.enterToClass;
      var enterActiveClass = data.enterActiveClass;
      var appearClass = data.appearClass;
      var appearToClass = data.appearToClass;
      var appearActiveClass = data.appearActiveClass;
      var beforeEnter = data.beforeEnter;
      var enter = data.enter;
      var afterEnter = data.afterEnter;
      var enterCancelled = data.enterCancelled;
      var beforeAppear = data.beforeAppear;
      var appear = data.appear;
      var afterAppear = data.afterAppear;
      var appearCancelled = data.appearCancelled;
      var duration = data.duration;
  
      // activeInstance will always be the <transition> component managing this
      // transition. One edge case to check is when the <transition> is placed
      // as the root node of a child component. In that case we need to check
      // <transition>'s parent for appear check.
      var context = activeInstance;
      var transitionNode = activeInstance.$vnode;
      while (transitionNode && transitionNode.parent) {
        context = transitionNode.context;
        transitionNode = transitionNode.parent;
      }
  
      var isAppear = !context._isMounted || !vnode.isRootInsert;
  
      if (isAppear && !appear && appear !== '') {
        return
      }
  
      var startClass = isAppear && appearClass
        ? appearClass
        : enterClass;
      var activeClass = isAppear && appearActiveClass
        ? appearActiveClass
        : enterActiveClass;
      var toClass = isAppear && appearToClass
        ? appearToClass
        : enterToClass;
  
      var beforeEnterHook = isAppear
        ? (beforeAppear || beforeEnter)
        : beforeEnter;
      var enterHook = isAppear
        ? (typeof appear === 'function' ? appear : enter)
        : enter;
      var afterEnterHook = isAppear
        ? (afterAppear || afterEnter)
        : afterEnter;
      var enterCancelledHook = isAppear
        ? (appearCancelled || enterCancelled)
        : enterCancelled;
  
      var explicitEnterDuration = toNumber(
        isObject(duration)
          ? duration.enter
          : duration
      );
  
      if (explicitEnterDuration != null) {
        checkDuration(explicitEnterDuration, 'enter', vnode);
      }
  
      var expectsCSS = css !== false && !isIE9;
      var userWantsControl = getHookArgumentsLength(enterHook);
  
      var cb = el._enterCb = once(function () {
        if (expectsCSS) {
          removeTransitionClass(el, toClass);
          removeTransitionClass(el, activeClass);
        }
        if (cb.cancelled) {
          if (expectsCSS) {
            removeTransitionClass(el, startClass);
          }
          enterCancelledHook && enterCancelledHook(el);
        } else {
          afterEnterHook && afterEnterHook(el);
        }
        el._enterCb = null;
      });
  
      if (!vnode.data.show) {
        // remove pending leave element on enter by injecting an insert hook
        mergeVNodeHook(vnode, 'insert', function () {
          var parent = el.parentNode;
          var pendingNode = parent && parent._pending && parent._pending[vnode.key];
          if (pendingNode &&
            pendingNode.tag === vnode.tag &&
            pendingNode.elm._leaveCb
          ) {
            pendingNode.elm._leaveCb();
          }
          enterHook && enterHook(el, cb);
        });
      }
  
      // start enter transition
      beforeEnterHook && beforeEnterHook(el);
      if (expectsCSS) {
        addTransitionClass(el, startClass);
        addTransitionClass(el, activeClass);
        nextFrame(function () {
          removeTransitionClass(el, startClass);
          if (!cb.cancelled) {
            addTransitionClass(el, toClass);
            if (!userWantsControl) {
              if (isValidDuration(explicitEnterDuration)) {
                setTimeout(cb, explicitEnterDuration);
              } else {
                whenTransitionEnds(el, type, cb);
              }
            }
          }
        });
      }
  
      if (vnode.data.show) {
        toggleDisplay && toggleDisplay();
        enterHook && enterHook(el, cb);
      }
  
      if (!expectsCSS && !userWantsControl) {
        cb();
      }
    }
  
    function leave (vnode, rm) {
      var el = vnode.elm;
  
      // call enter callback now
      if (isDef(el._enterCb)) {
        el._enterCb.cancelled = true;
        el._enterCb();
      }
  
      var data = resolveTransition(vnode.data.transition);
      if (isUndef(data) || el.nodeType !== 1) {
        return rm()
      }
  
      /* istanbul ignore if */
      if (isDef(el._leaveCb)) {
        return
      }
  
      var css = data.css;
      var type = data.type;
      var leaveClass = data.leaveClass;
      var leaveToClass = data.leaveToClass;
      var leaveActiveClass = data.leaveActiveClass;
      var beforeLeave = data.beforeLeave;
      var leave = data.leave;
      var afterLeave = data.afterLeave;
      var leaveCancelled = data.leaveCancelled;
      var delayLeave = data.delayLeave;
      var duration = data.duration;
  
      var expectsCSS = css !== false && !isIE9;
      var userWantsControl = getHookArgumentsLength(leave);
  
      var explicitLeaveDuration = toNumber(
        isObject(duration)
          ? duration.leave
          : duration
      );
  
      if (isDef(explicitLeaveDuration)) {
        checkDuration(explicitLeaveDuration, 'leave', vnode);
      }
  
      var cb = el._leaveCb = once(function () {
        if (el.parentNode && el.parentNode._pending) {
          el.parentNode._pending[vnode.key] = null;
        }
        if (expectsCSS) {
          removeTransitionClass(el, leaveToClass);
          removeTransitionClass(el, leaveActiveClass);
        }
        if (cb.cancelled) {
          if (expectsCSS) {
            removeTransitionClass(el, leaveClass);
          }
          leaveCancelled && leaveCancelled(el);
        } else {
          rm();
          afterLeave && afterLeave(el);
        }
        el._leaveCb = null;
      });
  
      if (delayLeave) {
        delayLeave(performLeave);
      } else {
        performLeave();
      }
  
      function performLeave () {
        // the delayed leave may have already been cancelled
        if (cb.cancelled) {
          return
        }
        // record leaving element
        if (!vnode.data.show && el.parentNode) {
          (el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode;
        }
        beforeLeave && beforeLeave(el);
        if (expectsCSS) {
          addTransitionClass(el, leaveClass);
          addTransitionClass(el, leaveActiveClass);
          nextFrame(function () {
            removeTransitionClass(el, leaveClass);
            if (!cb.cancelled) {
              addTransitionClass(el, leaveToClass);
              if (!userWantsControl) {
                if (isValidDuration(explicitLeaveDuration)) {
                  setTimeout(cb, explicitLeaveDuration);
                } else {
                  whenTransitionEnds(el, type, cb);
                }
              }
            }
          });
        }
        leave && leave(el, cb);
        if (!expectsCSS && !userWantsControl) {
          cb();
        }
      }
    }
  
    // only used in dev mode
    function checkDuration (val, name, vnode) {
      if (typeof val !== 'number') {
        warn(
          "<transition> explicit " + name + " duration is not a valid number - " +
          "got " + (JSON.stringify(val)) + ".",
          vnode.context
        );
      } else if (isNaN(val)) {
        warn(
          "<transition> explicit " + name + " duration is NaN - " +
          'the duration expression might be incorrect.',
          vnode.context
        );
      }
    }
  
    function isValidDuration (val) {
      return typeof val === 'number' && !isNaN(val)
    }
  
    /**
     * Normalize a transition hook's argument length. The hook may be:
     * - a merged hook (invoker) with the original in .fns
     * - a wrapped component method (check ._length)
     * - a plain function (.length)
     */
    function getHookArgumentsLength (fn) {
      if (isUndef(fn)) {
        return false
      }
      var invokerFns = fn.fns;
      if (isDef(invokerFns)) {
        // invoker
        return getHookArgumentsLength(
          Array.isArray(invokerFns)
            ? invokerFns[0]
            : invokerFns
        )
      } else {
        return (fn._length || fn.length) > 1
      }
    }
  
    function _enter (_, vnode) {
      if (vnode.data.show !== true) {
        enter(vnode);
      }
    }
  
    var transition = inBrowser ? {
      create: _enter,
      activate: _enter,
      remove: function remove$$1 (vnode, rm) {
        /* istanbul ignore else */
        if (vnode.data.show !== true) {
          leave(vnode, rm);
        } else {
          rm();
        }
      }
    } : {};
  
    var platformModules = [
      attrs,
      klass,
      events,
      domProps,
      style,
      transition
    ];
  
    /*  */
  
    // the directive module should be applied last, after all
    // built-in modules have been applied.
    var modules = platformModules.concat(baseModules);
  
    var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });
  
    /**
     * Not type checking this file because flow doesn't like attaching
     * properties to Elements.
     */
  
    /* istanbul ignore if */
    if (isIE9) {
      // http://www.matts411.com/post/internet-explorer-9-oninput/
      document.addEventListener('selectionchange', function () {
        var el = document.activeElement;
        if (el && el.vmodel) {
          trigger(el, 'input');
        }
      });
    }
  
    var directive = {
      inserted: function inserted (el, binding, vnode, oldVnode) {
        if (vnode.tag === 'select') {
          // #6903
          if (oldVnode.elm && !oldVnode.elm._vOptions) {
            mergeVNodeHook(vnode, 'postpatch', function () {
              directive.componentUpdated(el, binding, vnode);
            });
          } else {
            setSelected(el, binding, vnode.context);
          }
          el._vOptions = [].map.call(el.options, getValue);
        } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
          el._vModifiers = binding.modifiers;
          if (!binding.modifiers.lazy) {
            el.addEventListener('compositionstart', onCompositionStart);
            el.addEventListener('compositionend', onCompositionEnd);
            // Safari < 10.2 & UIWebView doesn't fire compositionend when
            // switching focus before confirming composition choice
            // this also fixes the issue where some browsers e.g. iOS Chrome
            // fires "change" instead of "input" on autocomplete.
            el.addEventListener('change', onCompositionEnd);
            /* istanbul ignore if */
            if (isIE9) {
              el.vmodel = true;
            }
          }
        }
      },
  
      componentUpdated: function componentUpdated (el, binding, vnode) {
        if (vnode.tag === 'select') {
          setSelected(el, binding, vnode.context);
          // in case the options rendered by v-for have changed,
          // it's possible that the value is out-of-sync with the rendered options.
          // detect such cases and filter out values that no longer has a matching
          // option in the DOM.
          var prevOptions = el._vOptions;
          var curOptions = el._vOptions = [].map.call(el.options, getValue);
          if (curOptions.some(function (o, i) { return !looseEqual(o, prevOptions[i]); })) {
            // trigger change event if
            // no matching option found for at least one value
            var needReset = el.multiple
              ? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions); })
              : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions);
            if (needReset) {
              trigger(el, 'change');
            }
          }
        }
      }
    };
  
    function setSelected (el, binding, vm) {
      actuallySetSelected(el, binding, vm);
      /* istanbul ignore if */
      if (isIE || isEdge) {
        setTimeout(function () {
          actuallySetSelected(el, binding, vm);
        }, 0);
      }
    }
  
    function actuallySetSelected (el, binding, vm) {
      var value = binding.value;
      var isMultiple = el.multiple;
      if (isMultiple && !Array.isArray(value)) {
        warn(
          "<select multiple v-model=\"" + (binding.expression) + "\"> " +
          "expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)),
          vm
        );
        return
      }
      var selected, option;
      for (var i = 0, l = el.options.length; i < l; i++) {
        option = el.options[i];
        if (isMultiple) {
          selected = looseIndexOf(value, getValue(option)) > -1;
          if (option.selected !== selected) {
            option.selected = selected;
          }
        } else {
          if (looseEqual(getValue(option), value)) {
            if (el.selectedIndex !== i) {
              el.selectedIndex = i;
            }
            return
          }
        }
      }
      if (!isMultiple) {
        el.selectedIndex = -1;
      }
    }
  
    function hasNoMatchingOption (value, options) {
      return options.every(function (o) { return !looseEqual(o, value); })
    }
  
    function getValue (option) {
      return '_value' in option
        ? option._value
        : option.value
    }
  
    function onCompositionStart (e) {
      e.target.composing = true;
    }
  
    function onCompositionEnd (e) {
      // prevent triggering an input event for no reason
      if (!e.target.composing) { return }
      e.target.composing = false;
      trigger(e.target, 'input');
    }
  
    function trigger (el, type) {
      var e = document.createEvent('HTMLEvents');
      e.initEvent(type, true, true);
      el.dispatchEvent(e);
    }
  
    /*  */
  
    // recursively search for possible transition defined inside the component root
    function locateNode (vnode) {
      return vnode.componentInstance && (!vnode.data || !vnode.data.transition)
        ? locateNode(vnode.componentInstance._vnode)
        : vnode
    }
  
    var show = {
      bind: function bind (el, ref, vnode) {
        var value = ref.value;
  
        vnode = locateNode(vnode);
        var transition$$1 = vnode.data && vnode.data.transition;
        var originalDisplay = el.__vOriginalDisplay =
          el.style.display === 'none' ? '' : el.style.display;
        if (value && transition$$1) {
          vnode.data.show = true;
          enter(vnode, function () {
            el.style.display = originalDisplay;
          });
        } else {
          el.style.display = value ? originalDisplay : 'none';
        }
      },
  
      update: function update (el, ref, vnode) {
        var value = ref.value;
        var oldValue = ref.oldValue;
  
        /* istanbul ignore if */
        if (!value === !oldValue) { return }
        vnode = locateNode(vnode);
        var transition$$1 = vnode.data && vnode.data.transition;
        if (transition$$1) {
          vnode.data.show = true;
          if (value) {
            enter(vnode, function () {
              el.style.display = el.__vOriginalDisplay;
            });
          } else {
            leave(vnode, function () {
              el.style.display = 'none';
            });
          }
        } else {
          el.style.display = value ? el.__vOriginalDisplay : 'none';
        }
      },
  
      unbind: function unbind (
        el,
        binding,
        vnode,
        oldVnode,
        isDestroy
      ) {
        if (!isDestroy) {
          el.style.display = el.__vOriginalDisplay;
        }
      }
    };
  
    var platformDirectives = {
      model: directive,
      show: show
    };
  
    /*  */
  
    var transitionProps = {
      name: String,
      appear: Boolean,
      css: Boolean,
      mode: String,
      type: String,
      enterClass: String,
      leaveClass: String,
      enterToClass: String,
      leaveToClass: String,
      enterActiveClass: String,
      leaveActiveClass: String,
      appearClass: String,
      appearActiveClass: String,
      appearToClass: String,
      duration: [Number, String, Object]
    };
  
    // in case the child is also an abstract component, e.g. <keep-alive>
    // we want to recursively retrieve the real component to be rendered
    function getRealChild (vnode) {
      var compOptions = vnode && vnode.componentOptions;
      if (compOptions && compOptions.Ctor.options.abstract) {
        return getRealChild(getFirstComponentChild(compOptions.children))
      } else {
        return vnode
      }
    }
  
    function extractTransitionData (comp) {
      var data = {};
      var options = comp.$options;
      // props
      for (var key in options.propsData) {
        data[key] = comp[key];
      }
      // events.
      // extract listeners and pass them directly to the transition methods
      var listeners = options._parentListeners;
      for (var key$1 in listeners) {
        data[camelize(key$1)] = listeners[key$1];
      }
      return data
    }
  
    function placeholder (h, rawChild) {
      if (/\d-keep-alive$/.test(rawChild.tag)) {
        return h('keep-alive', {
          props: rawChild.componentOptions.propsData
        })
      }
    }
  
    function hasParentTransition (vnode) {
      while ((vnode = vnode.parent)) {
        if (vnode.data.transition) {
          return true
        }
      }
    }
  
    function isSameChild (child, oldChild) {
      return oldChild.key === child.key && oldChild.tag === child.tag
    }
  
    var isNotTextNode = function (c) { return c.tag || isAsyncPlaceholder(c); };
  
    var isVShowDirective = function (d) { return d.name === 'show'; };
  
    var Transition = {
      name: 'transition',
      props: transitionProps,
      abstract: true,
  
      render: function render (h) {
        var this$1 = this;
  
        var children = this.$slots.default;
        if (!children) {
          return
        }
  
        // filter out text nodes (possible whitespaces)
        children = children.filter(isNotTextNode);
        /* istanbul ignore if */
        if (!children.length) {
          return
        }
  
        // warn multiple elements
        if (children.length > 1) {
          warn(
            '<transition> can only be used on a single element. Use ' +
            '<transition-group> for lists.',
            this.$parent
          );
        }
  
        var mode = this.mode;
  
        // warn invalid mode
        if (mode && mode !== 'in-out' && mode !== 'out-in'
        ) {
          warn(
            'invalid <transition> mode: ' + mode,
            this.$parent
          );
        }
  
        var rawChild = children[0];
  
        // if this is a component root node and the component's
        // parent container node also has transition, skip.
        if (hasParentTransition(this.$vnode)) {
          return rawChild
        }
  
        // apply transition data to child
        // use getRealChild() to ignore abstract components e.g. keep-alive
        var child = getRealChild(rawChild);
        /* istanbul ignore if */
        if (!child) {
          return rawChild
        }
  
        if (this._leaving) {
          return placeholder(h, rawChild)
        }
  
        // ensure a key that is unique to the vnode type and to this transition
        // component instance. This key will be used to remove pending leaving nodes
        // during entering.
        var id = "__transition-" + (this._uid) + "-";
        child.key = child.key == null
          ? child.isComment
            ? id + 'comment'
            : id + child.tag
          : isPrimitive(child.key)
            ? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)
            : child.key;
  
        var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
        var oldRawChild = this._vnode;
        var oldChild = getRealChild(oldRawChild);
  
        // mark v-show
        // so that the transition module can hand over the control to the directive
        if (child.data.directives && child.data.directives.some(isVShowDirective)) {
          child.data.show = true;
        }
  
        if (
          oldChild &&
          oldChild.data &&
          !isSameChild(child, oldChild) &&
          !isAsyncPlaceholder(oldChild) &&
          // #6687 component root is a comment node
          !(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment)
        ) {
          // replace old child transition data with fresh one
          // important for dynamic transitions!
          var oldData = oldChild.data.transition = extend({}, data);
          // handle transition mode
          if (mode === 'out-in') {
            // return placeholder node and queue update when leave finishes
            this._leaving = true;
            mergeVNodeHook(oldData, 'afterLeave', function () {
              this$1._leaving = false;
              this$1.$forceUpdate();
            });
            return placeholder(h, rawChild)
          } else if (mode === 'in-out') {
            if (isAsyncPlaceholder(child)) {
              return oldRawChild
            }
            var delayedLeave;
            var performLeave = function () { delayedLeave(); };
            mergeVNodeHook(data, 'afterEnter', performLeave);
            mergeVNodeHook(data, 'enterCancelled', performLeave);
            mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; });
          }
        }
  
        return rawChild
      }
    };
  
    /*  */
  
    var props = extend({
      tag: String,
      moveClass: String
    }, transitionProps);
  
    delete props.mode;
  
    var TransitionGroup = {
      props: props,
  
      beforeMount: function beforeMount () {
        var this$1 = this;
  
        var update = this._update;
        this._update = function (vnode, hydrating) {
          var restoreActiveInstance = setActiveInstance(this$1);
          // force removing pass
          this$1.__patch__(
            this$1._vnode,
            this$1.kept,
            false, // hydrating
            true // removeOnly (!important, avoids unnecessary moves)
          );
          this$1._vnode = this$1.kept;
          restoreActiveInstance();
          update.call(this$1, vnode, hydrating);
        };
      },
  
      render: function render (h) {
        var tag = this.tag || this.$vnode.data.tag || 'span';
        var map = Object.create(null);
        var prevChildren = this.prevChildren = this.children;
        var rawChildren = this.$slots.default || [];
        var children = this.children = [];
        var transitionData = extractTransitionData(this);
  
        for (var i = 0; i < rawChildren.length; i++) {
          var c = rawChildren[i];
          if (c.tag) {
            if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
              children.push(c);
              map[c.key] = c
              ;(c.data || (c.data = {})).transition = transitionData;
            } else {
              var opts = c.componentOptions;
              var name = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag;
              warn(("<transition-group> children must be keyed: <" + name + ">"));
            }
          }
        }
  
        if (prevChildren) {
          var kept = [];
          var removed = [];
          for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
            var c$1 = prevChildren[i$1];
            c$1.data.transition = transitionData;
            c$1.data.pos = c$1.elm.getBoundingClientRect();
            if (map[c$1.key]) {
              kept.push(c$1);
            } else {
              removed.push(c$1);
            }
          }
          this.kept = h(tag, null, kept);
          this.removed = removed;
        }
  
        return h(tag, null, children)
      },
  
      updated: function updated () {
        var children = this.prevChildren;
        var moveClass = this.moveClass || ((this.name || 'v') + '-move');
        if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
          return
        }
  
        // we divide the work into three loops to avoid mixing DOM reads and writes
        // in each iteration - which helps prevent layout thrashing.
        children.forEach(callPendingCbs);
        children.forEach(recordPosition);
        children.forEach(applyTranslation);
  
        // force reflow to put everything in position
        // assign to this to avoid being removed in tree-shaking
        // $flow-disable-line
        this._reflow = document.body.offsetHeight;
  
        children.forEach(function (c) {
          if (c.data.moved) {
            var el = c.elm;
            var s = el.style;
            addTransitionClass(el, moveClass);
            s.transform = s.WebkitTransform = s.transitionDuration = '';
            el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
              if (e && e.target !== el) {
                return
              }
              if (!e || /transform$/.test(e.propertyName)) {
                el.removeEventListener(transitionEndEvent, cb);
                el._moveCb = null;
                removeTransitionClass(el, moveClass);
              }
            });
          }
        });
      },
  
      methods: {
        hasMove: function hasMove (el, moveClass) {
          /* istanbul ignore if */
          if (!hasTransition) {
            return false
          }
          /* istanbul ignore if */
          if (this._hasMove) {
            return this._hasMove
          }
          // Detect whether an element with the move class applied has
          // CSS transitions. Since the element may be inside an entering
          // transition at this very moment, we make a clone of it and remove
          // all other transition classes applied to ensure only the move class
          // is applied.
          var clone = el.cloneNode();
          if (el._transitionClasses) {
            el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); });
          }
          addClass(clone, moveClass);
          clone.style.display = 'none';
          this.$el.appendChild(clone);
          var info = getTransitionInfo(clone);
          this.$el.removeChild(clone);
          return (this._hasMove = info.hasTransform)
        }
      }
    };
  
    function callPendingCbs (c) {
      /* istanbul ignore if */
      if (c.elm._moveCb) {
        c.elm._moveCb();
      }
      /* istanbul ignore if */
      if (c.elm._enterCb) {
        c.elm._enterCb();
      }
    }
  
    function recordPosition (c) {
      c.data.newPos = c.elm.getBoundingClientRect();
    }
  
    function applyTranslation (c) {
      var oldPos = c.data.pos;
      var newPos = c.data.newPos;
      var dx = oldPos.left - newPos.left;
      var dy = oldPos.top - newPos.top;
      if (dx || dy) {
        c.data.moved = true;
        var s = c.elm.style;
        s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
        s.transitionDuration = '0s';
      }
    }
  
    var platformComponents = {
      Transition: Transition,
      TransitionGroup: TransitionGroup
    };
  
    /*  */
  
    // install platform specific utils
    Vue.config.mustUseProp = mustUseProp;
    Vue.config.isReservedTag = isReservedTag;
    Vue.config.isReservedAttr = isReservedAttr;
    Vue.config.getTagNamespace = getTagNamespace;
    Vue.config.isUnknownElement = isUnknownElement;
  
    // install platform runtime directives & components
    extend(Vue.options.directives, platformDirectives);
    extend(Vue.options.components, platformComponents);
  
    // install platform patch function
    Vue.prototype.__patch__ = inBrowser ? patch : noop;
  
    // public mount method
    Vue.prototype.$mount = function (
      el,
      hydrating
    ) {
      el = el && inBrowser ? query(el) : undefined;
      return mountComponent(this, el, hydrating)
    };
  
    // devtools global hook
    /* istanbul ignore next */
    if (inBrowser) {
      setTimeout(function () {
        if (config.devtools) {
          if (devtools) {
            devtools.emit('init', Vue);
          } else {
            console[console.info ? 'info' : 'log'](
              'Download the Vue Devtools extension for a better development experience:\n' +
              'https://github.com/vuejs/vue-devtools'
            );
          }
        }
        if (config.productionTip !== false &&
          typeof console !== 'undefined'
        ) {
          console[console.info ? 'info' : 'log'](
            "You are running Vue in development mode.\n" +
            "Make sure to turn on production mode when deploying for production.\n" +
            "See more tips at https://vuejs.org/guide/deployment.html"
          );
        }
      }, 0);
    }
  
    /*  */
  
    var defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g;
    var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
  
    var buildRegex = cached(function (delimiters) {
      var open = delimiters[0].replace(regexEscapeRE, '\\$&');
      var close = delimiters[1].replace(regexEscapeRE, '\\$&');
      return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
    });
  
  
  
    function parseText (
      text,
      delimiters
    ) {
      var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
      if (!tagRE.test(text)) {
        return
      }
      var tokens = [];
      var rawTokens = [];
      var lastIndex = tagRE.lastIndex = 0;
      var match, index, tokenValue;
      while ((match = tagRE.exec(text))) {
        index = match.index;
        // push text token
        if (index > lastIndex) {
          rawTokens.push(tokenValue = text.slice(lastIndex, index));
          tokens.push(JSON.stringify(tokenValue));
        }
        // tag token
        var exp = parseFilters(match[1].trim());
        tokens.push(("_s(" + exp + ")"));
        rawTokens.push({ '@binding': exp });
        lastIndex = index + match[0].length;
      }
      if (lastIndex < text.length) {
        rawTokens.push(tokenValue = text.slice(lastIndex));
        tokens.push(JSON.stringify(tokenValue));
      }
      return {
        expression: tokens.join('+'),
        tokens: rawTokens
      }
    }
  
    /*  */
  
    function transformNode (el, options) {
      var warn = options.warn || baseWarn;
      var staticClass = getAndRemoveAttr(el, 'class');
      if (staticClass) {
        var res = parseText(staticClass, options.delimiters);
        if (res) {
          warn(
            "class=\"" + staticClass + "\": " +
            'Interpolation inside attributes has been removed. ' +
            'Use v-bind or the colon shorthand instead. For example, ' +
            'instead of <div class="{{ val }}">, use <div :class="val">.',
            el.rawAttrsMap['class']
          );
        }
      }
      if (staticClass) {
        el.staticClass = JSON.stringify(staticClass);
      }
      var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
      if (classBinding) {
        el.classBinding = classBinding;
      }
    }
  
    function genData (el) {
      var data = '';
      if (el.staticClass) {
        data += "staticClass:" + (el.staticClass) + ",";
      }
      if (el.classBinding) {
        data += "class:" + (el.classBinding) + ",";
      }
      return data
    }
  
    var klass$1 = {
      staticKeys: ['staticClass'],
      transformNode: transformNode,
      genData: genData
    };
  
    /*  */
  
    function transformNode$1 (el, options) {
      var warn = options.warn || baseWarn;
      var staticStyle = getAndRemoveAttr(el, 'style');
      if (staticStyle) {
        /* istanbul ignore if */
        {
          var res = parseText(staticStyle, options.delimiters);
          if (res) {
            warn(
              "style=\"" + staticStyle + "\": " +
              'Interpolation inside attributes has been removed. ' +
              'Use v-bind or the colon shorthand instead. For example, ' +
              'instead of <div style="{{ val }}">, use <div :style="val">.',
              el.rawAttrsMap['style']
            );
          }
        }
        el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
      }
  
      var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
      if (styleBinding) {
        el.styleBinding = styleBinding;
      }
    }
  
    function genData$1 (el) {
      var data = '';
      if (el.staticStyle) {
        data += "staticStyle:" + (el.staticStyle) + ",";
      }
      if (el.styleBinding) {
        data += "style:(" + (el.styleBinding) + "),";
      }
      return data
    }
  
    var style$1 = {
      staticKeys: ['staticStyle'],
      transformNode: transformNode$1,
      genData: genData$1
    };
  
    /*  */
  
    var decoder;
  
    var he = {
      decode: function decode (html) {
        decoder = decoder || document.createElement('div');
        decoder.innerHTML = html;
        return decoder.textContent
      }
    };
  
    /*  */
  
    var isUnaryTag = makeMap(
      'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
      'link,meta,param,source,track,wbr'
    );
  
    // Elements that you can, intentionally, leave open
    // (and which close themselves)
    var canBeLeftOpenTag = makeMap(
      'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
    );
  
    // HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
    // Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
    var isNonPhrasingTag = makeMap(
      'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
      'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
      'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
      'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
      'title,tr,track'
    );
  
    /**
     * Not type-checking this file because it's mostly vendor code.
     */
  
    // Regular Expressions for parsing tags and attributes
    var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
    var dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
    var ncname = "[a-zA-Z_][\\-\\.0-9_a-zA-Z" + (unicodeRegExp.source) + "]*";
    var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")";
    var startTagOpen = new RegExp(("^<" + qnameCapture));
    var startTagClose = /^\s*(\/?)>/;
    var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>"));
    var doctype = /^<!DOCTYPE [^>]+>/i;
    // #7298: escape - to avoid being pased as HTML comment when inlined in page
    var comment = /^<!\--/;
    var conditionalComment = /^<!\[/;
  
    // Special Elements (can contain anything)
    var isPlainTextElement = makeMap('script,style,textarea', true);
    var reCache = {};
  
    var decodingMap = {
      '&lt;': '<',
      '&gt;': '>',
      '&quot;': '"',
      '&amp;': '&',
      '&#10;': '\n',
      '&#9;': '\t',
      '&#39;': "'"
    };
    var encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;
    var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g;
  
    // #5992
    var isIgnoreNewlineTag = makeMap('pre,textarea', true);
    var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };
  
    function decodeAttr (value, shouldDecodeNewlines) {
      var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
      return value.replace(re, function (match) { return decodingMap[match]; })
    }
  
    function parseHTML (html, options) {
      var stack = [];
      var expectHTML = options.expectHTML;
      var isUnaryTag$$1 = options.isUnaryTag || no;
      var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
      var index = 0;
      var last, lastTag;
      while (html) {
        last = html;
        // Make sure we're not in a plaintext content element like script/style
        if (!lastTag || !isPlainTextElement(lastTag)) {
          var textEnd = html.indexOf('<');
          if (textEnd === 0) {
            // Comment:
            if (comment.test(html)) {
              var commentEnd = html.indexOf('-->');
  
              if (commentEnd >= 0) {
                if (options.shouldKeepComment) {
                  options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);
                }
                advance(commentEnd + 3);
                continue
              }
            }
  
            // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
            if (conditionalComment.test(html)) {
              var conditionalEnd = html.indexOf(']>');
  
              if (conditionalEnd >= 0) {
                advance(conditionalEnd + 2);
                continue
              }
            }
  
            // Doctype:
            var doctypeMatch = html.match(doctype);
            if (doctypeMatch) {
              advance(doctypeMatch[0].length);
              continue
            }
  
            // End tag:
            var endTagMatch = html.match(endTag);
            if (endTagMatch) {
              var curIndex = index;
              advance(endTagMatch[0].length);
              parseEndTag(endTagMatch[1], curIndex, index);
              continue
            }
  
            // Start tag:
            var startTagMatch = parseStartTag();
            if (startTagMatch) {
              handleStartTag(startTagMatch);
              if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
                advance(1);
              }
              continue
            }
          }
  
          var text = (void 0), rest = (void 0), next = (void 0);
          if (textEnd >= 0) {
            rest = html.slice(textEnd);
            while (
              !endTag.test(rest) &&
              !startTagOpen.test(rest) &&
              !comment.test(rest) &&
              !conditionalComment.test(rest)
            ) {
              // < in plain text, be forgiving and treat it as text
              next = rest.indexOf('<', 1);
              if (next < 0) { break }
              textEnd += next;
              rest = html.slice(textEnd);
            }
            text = html.substring(0, textEnd);
          }
  
          if (textEnd < 0) {
            text = html;
          }
  
          if (text) {
            advance(text.length);
          }
  
          if (options.chars && text) {
            options.chars(text, index - text.length, index);
          }
        } else {
          var endTagLength = 0;
          var stackedTag = lastTag.toLowerCase();
          var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
          var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
            endTagLength = endTag.length;
            if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
              text = text
                .replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
                .replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
            }
            if (shouldIgnoreFirstNewline(stackedTag, text)) {
              text = text.slice(1);
            }
            if (options.chars) {
              options.chars(text);
            }
            return ''
          });
          index += html.length - rest$1.length;
          html = rest$1;
          parseEndTag(stackedTag, index - endTagLength, index);
        }
  
        if (html === last) {
          options.chars && options.chars(html);
          if (!stack.length && options.warn) {
            options.warn(("Mal-formatted tag at end of template: \"" + html + "\""), { start: index + html.length });
          }
          break
        }
      }
  
      // Clean up any remaining tags
      parseEndTag();
  
      function advance (n) {
        index += n;
        html = html.substring(n);
      }
  
      function parseStartTag () {
        var start = html.match(startTagOpen);
        if (start) {
          var match = {
            tagName: start[1],
            attrs: [],
            start: index
          };
          advance(start[0].length);
          var end, attr;
          while (!(end = html.match(startTagClose)) && (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {
            attr.start = index;
            advance(attr[0].length);
            attr.end = index;
            match.attrs.push(attr);
          }
          if (end) {
            match.unarySlash = end[1];
            advance(end[0].length);
            match.end = index;
            return match
          }
        }
      }
  
      function handleStartTag (match) {
        var tagName = match.tagName;
        var unarySlash = match.unarySlash;
  
        if (expectHTML) {
          if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
            parseEndTag(lastTag);
          }
          if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
            parseEndTag(tagName);
          }
        }
  
        var unary = isUnaryTag$$1(tagName) || !!unarySlash;
  
        var l = match.attrs.length;
        var attrs = new Array(l);
        for (var i = 0; i < l; i++) {
          var args = match.attrs[i];
          var value = args[3] || args[4] || args[5] || '';
          var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
            ? options.shouldDecodeNewlinesForHref
            : options.shouldDecodeNewlines;
          attrs[i] = {
            name: args[1],
            value: decodeAttr(value, shouldDecodeNewlines)
          };
          if (options.outputSourceRange) {
            attrs[i].start = args.start + args[0].match(/^\s*/).length;
            attrs[i].end = args.end;
          }
        }
  
        if (!unary) {
          stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs, start: match.start, end: match.end });
          lastTag = tagName;
        }
  
        if (options.start) {
          options.start(tagName, attrs, unary, match.start, match.end);
        }
      }
  
      function parseEndTag (tagName, start, end) {
        var pos, lowerCasedTagName;
        if (start == null) { start = index; }
        if (end == null) { end = index; }
  
        // Find the closest opened tag of the same type
        if (tagName) {
          lowerCasedTagName = tagName.toLowerCase();
          for (pos = stack.length - 1; pos >= 0; pos--) {
            if (stack[pos].lowerCasedTag === lowerCasedTagName) {
              break
            }
          }
        } else {
          // If no tag name is provided, clean shop
          pos = 0;
        }
  
        if (pos >= 0) {
          // Close all the open elements, up the stack
          for (var i = stack.length - 1; i >= pos; i--) {
            if (i > pos || !tagName &&
              options.warn
            ) {
              options.warn(
                ("tag <" + (stack[i].tag) + "> has no matching end tag."),
                { start: stack[i].start, end: stack[i].end }
              );
            }
            if (options.end) {
              options.end(stack[i].tag, start, end);
            }
          }
  
          // Remove the open elements from the stack
          stack.length = pos;
          lastTag = pos && stack[pos - 1].tag;
        } else if (lowerCasedTagName === 'br') {
          if (options.start) {
            options.start(tagName, [], true, start, end);
          }
        } else if (lowerCasedTagName === 'p') {
          if (options.start) {
            options.start(tagName, [], false, start, end);
          }
          if (options.end) {
            options.end(tagName, start, end);
          }
        }
      }
    }
  
    /*  */
  
    var onRE = /^@|^v-on:/;
    var dirRE = /^v-|^@|^:/;
    var forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
    var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
    var stripParensRE = /^\(|\)$/g;
    var dynamicArgRE = /^\[.*\]$/;
  
    var argRE = /:(.*)$/;
    var bindRE = /^:|^\.|^v-bind:/;
    var modifierRE = /\.[^.\]]+(?=[^\]]*$)/g;
  
    var slotRE = /^v-slot(:|$)|^#/;
  
    var lineBreakRE = /[\r\n]/;
    var whitespaceRE$1 = /\s+/g;
  
    var invalidAttributeRE = /[\s"'<>\/=]/;
  
    var decodeHTMLCached = cached(he.decode);
  
    var emptySlotScopeToken = "_empty_";
  
    // configurable state
    var warn$2;
    var delimiters;
    var transforms;
    var preTransforms;
    var postTransforms;
    var platformIsPreTag;
    var platformMustUseProp;
    var platformGetTagNamespace;
    var maybeComponent;
  
    function createASTElement (
      tag,
      attrs,
      parent
    ) {
      return {
        type: 1,
        tag: tag,
        attrsList: attrs,
        attrsMap: makeAttrsMap(attrs),
        rawAttrsMap: {},
        parent: parent,
        children: []
      }
    }
  
    /**
     * Convert HTML string to AST.
     */
    function parse (
      template,
      options
    ) {
      warn$2 = options.warn || baseWarn;
  
      platformIsPreTag = options.isPreTag || no;
      platformMustUseProp = options.mustUseProp || no;
      platformGetTagNamespace = options.getTagNamespace || no;
      var isReservedTag = options.isReservedTag || no;
      maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };
  
      transforms = pluckModuleFunction(options.modules, 'transformNode');
      preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
      postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
  
      delimiters = options.delimiters;
  
      var stack = [];
      var preserveWhitespace = options.preserveWhitespace !== false;
      var whitespaceOption = options.whitespace;
      var root;
      var currentParent;
      var inVPre = false;
      var inPre = false;
      var warned = false;
  
      function warnOnce (msg, range) {
        if (!warned) {
          warned = true;
          warn$2(msg, range);
        }
      }
  
      function closeElement (element) {
        trimEndingWhitespace(element);
        if (!inVPre && !element.processed) {
          element = processElement(element, options);
        }
        // tree management
        if (!stack.length && element !== root) {
          // allow root elements with v-if, v-else-if and v-else
          if (root.if && (element.elseif || element.else)) {
            {
              checkRootConstraints(element);
            }
            addIfCondition(root, {
              exp: element.elseif,
              block: element
            });
          } else {
            warnOnce(
              "Component template should contain exactly one root element. " +
              "If you are using v-if on multiple elements, " +
              "use v-else-if to chain them instead.",
              { start: element.start }
            );
          }
        }
        if (currentParent && !element.forbidden) {
          if (element.elseif || element.else) {
            processIfConditions(element, currentParent);
          } else {
            if (element.slotScope) {
              // scoped slot
              // keep it in the children list so that v-else(-if) conditions can
              // find it as the prev node.
              var name = element.slotTarget || '"default"'
              ;(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
            }
            currentParent.children.push(element);
            element.parent = currentParent;
          }
        }
  
        // final children cleanup
        // filter out scoped slots
        element.children = element.children.filter(function (c) { return !(c).slotScope; });
        // remove trailing whitespace node again
        trimEndingWhitespace(element);
  
        // check pre state
        if (element.pre) {
          inVPre = false;
        }
        if (platformIsPreTag(element.tag)) {
          inPre = false;
        }
        // apply post-transforms
        for (var i = 0; i < postTransforms.length; i++) {
          postTransforms[i](element, options);
        }
      }
  
      function trimEndingWhitespace (el) {
        // remove trailing whitespace node
        if (!inPre) {
          var lastNode;
          while (
            (lastNode = el.children[el.children.length - 1]) &&
            lastNode.type === 3 &&
            lastNode.text === ' '
          ) {
            el.children.pop();
          }
        }
      }
  
      function checkRootConstraints (el) {
        if (el.tag === 'slot' || el.tag === 'template') {
          warnOnce(
            "Cannot use <" + (el.tag) + "> as component root element because it may " +
            'contain multiple nodes.',
            { start: el.start }
          );
        }
        if (el.attrsMap.hasOwnProperty('v-for')) {
          warnOnce(
            'Cannot use v-for on stateful component root element because ' +
            'it renders multiple elements.',
            el.rawAttrsMap['v-for']
          );
        }
      }
  
      parseHTML(template, {
        warn: warn$2,
        expectHTML: options.expectHTML,
        isUnaryTag: options.isUnaryTag,
        canBeLeftOpenTag: options.canBeLeftOpenTag,
        shouldDecodeNewlines: options.shouldDecodeNewlines,
        shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
        shouldKeepComment: options.comments,
        outputSourceRange: options.outputSourceRange,
        start: function start (tag, attrs, unary, start$1, end) {
          // check namespace.
          // inherit parent ns if there is one
          var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);
  
          // handle IE svg bug
          /* istanbul ignore if */
          if (isIE && ns === 'svg') {
            attrs = guardIESVGBug(attrs);
          }
  
          var element = createASTElement(tag, attrs, currentParent);
          if (ns) {
            element.ns = ns;
          }
  
          {
            if (options.outputSourceRange) {
              element.start = start$1;
              element.end = end;
              element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) {
                cumulated[attr.name] = attr;
                return cumulated
              }, {});
            }
            attrs.forEach(function (attr) {
              if (invalidAttributeRE.test(attr.name)) {
                warn$2(
                  "Invalid dynamic argument expression: attribute names cannot contain " +
                  "spaces, quotes, <, >, / or =.",
                  {
                    start: attr.start + attr.name.indexOf("["),
                    end: attr.start + attr.name.length
                  }
                );
              }
            });
          }
  
          if (isForbiddenTag(element) && !isServerRendering()) {
            element.forbidden = true;
            warn$2(
              'Templates should only be responsible for mapping the state to the ' +
              'UI. Avoid placing tags with side-effects in your templates, such as ' +
              "<" + tag + ">" + ', as they will not be parsed.',
              { start: element.start }
            );
          }
  
          // apply pre-transforms
          for (var i = 0; i < preTransforms.length; i++) {
            element = preTransforms[i](element, options) || element;
          }
  
          if (!inVPre) {
            processPre(element);
            if (element.pre) {
              inVPre = true;
            }
          }
          if (platformIsPreTag(element.tag)) {
            inPre = true;
          }
          if (inVPre) {
            processRawAttrs(element);
          } else if (!element.processed) {
            // structural directives
            processFor(element);
            processIf(element);
            processOnce(element);
          }
  
          if (!root) {
            root = element;
            {
              checkRootConstraints(root);
            }
          }
  
          if (!unary) {
            currentParent = element;
            stack.push(element);
          } else {
            closeElement(element);
          }
        },
  
        end: function end (tag, start, end$1) {
          var element = stack[stack.length - 1];
          // pop stack
          stack.length -= 1;
          currentParent = stack[stack.length - 1];
          if (options.outputSourceRange) {
            element.end = end$1;
          }
          closeElement(element);
        },
  
        chars: function chars (text, start, end) {
          if (!currentParent) {
            {
              if (text === template) {
                warnOnce(
                  'Component template requires a root element, rather than just text.',
                  { start: start }
                );
              } else if ((text = text.trim())) {
                warnOnce(
                  ("text \"" + text + "\" outside root element will be ignored."),
                  { start: start }
                );
              }
            }
            return
          }
          // IE textarea placeholder bug
          /* istanbul ignore if */
          if (isIE &&
            currentParent.tag === 'textarea' &&
            currentParent.attrsMap.placeholder === text
          ) {
            return
          }
          var children = currentParent.children;
          if (inPre || text.trim()) {
            text = isTextTag(currentParent) ? text : decodeHTMLCached(text);
          } else if (!children.length) {
            // remove the whitespace-only node right after an opening tag
            text = '';
          } else if (whitespaceOption) {
            if (whitespaceOption === 'condense') {
              // in condense mode, remove the whitespace node if it contains
              // line break, otherwise condense to a single space
              text = lineBreakRE.test(text) ? '' : ' ';
            } else {
              text = ' ';
            }
          } else {
            text = preserveWhitespace ? ' ' : '';
          }
          if (text) {
            if (!inPre && whitespaceOption === 'condense') {
              // condense consecutive whitespaces into single space
              text = text.replace(whitespaceRE$1, ' ');
            }
            var res;
            var child;
            if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
              child = {
                type: 2,
                expression: res.expression,
                tokens: res.tokens,
                text: text
              };
            } else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
              child = {
                type: 3,
                text: text
              };
            }
            if (child) {
              if (options.outputSourceRange) {
                child.start = start;
                child.end = end;
              }
              children.push(child);
            }
          }
        },
        comment: function comment (text, start, end) {
          // adding anyting as a sibling to the root node is forbidden
          // comments should still be allowed, but ignored
          if (currentParent) {
            var child = {
              type: 3,
              text: text,
              isComment: true
            };
            if (options.outputSourceRange) {
              child.start = start;
              child.end = end;
            }
            currentParent.children.push(child);
          }
        }
      });
      return root
    }
  
    function processPre (el) {
      if (getAndRemoveAttr(el, 'v-pre') != null) {
        el.pre = true;
      }
    }
  
    function processRawAttrs (el) {
      var list = el.attrsList;
      var len = list.length;
      if (len) {
        var attrs = el.attrs = new Array(len);
        for (var i = 0; i < len; i++) {
          attrs[i] = {
            name: list[i].name,
            value: JSON.stringify(list[i].value)
          };
          if (list[i].start != null) {
            attrs[i].start = list[i].start;
            attrs[i].end = list[i].end;
          }
        }
      } else if (!el.pre) {
        // non root node in pre blocks with no attributes
        el.plain = true;
      }
    }
  
    function processElement (
      element,
      options
    ) {
      processKey(element);
  
      // determine whether this is a plain element after
      // removing structural attributes
      element.plain = (
        !element.key &&
        !element.scopedSlots &&
        !element.attrsList.length
      );
  
      processRef(element);
      processSlotContent(element);
      processSlotOutlet(element);
      processComponent(element);
      for (var i = 0; i < transforms.length; i++) {
        element = transforms[i](element, options) || element;
      }
      processAttrs(element);
      return element
    }
  
    function processKey (el) {
      var exp = getBindingAttr(el, 'key');
      if (exp) {
        {
          if (el.tag === 'template') {
            warn$2(
              "<template> cannot be keyed. Place the key on real elements instead.",
              getRawBindingAttr(el, 'key')
            );
          }
          if (el.for) {
            var iterator = el.iterator2 || el.iterator1;
            var parent = el.parent;
            if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {
              warn$2(
                "Do not use v-for index as key on <transition-group> children, " +
                "this is the same as not using keys.",
                getRawBindingAttr(el, 'key'),
                true /* tip */
              );
            }
          }
        }
        el.key = exp;
      }
    }
  
    function processRef (el) {
      var ref = getBindingAttr(el, 'ref');
      if (ref) {
        el.ref = ref;
        el.refInFor = checkInFor(el);
      }
    }
  
    function processFor (el) {
      var exp;
      if ((exp = getAndRemoveAttr(el, 'v-for'))) {
        var res = parseFor(exp);
        if (res) {
          extend(el, res);
        } else {
          warn$2(
            ("Invalid v-for expression: " + exp),
            el.rawAttrsMap['v-for']
          );
        }
      }
    }
  
  
  
    function parseFor (exp) {
      var inMatch = exp.match(forAliasRE);
      if (!inMatch) { return }
      var res = {};
      res.for = inMatch[2].trim();
      var alias = inMatch[1].trim().replace(stripParensRE, '');
      var iteratorMatch = alias.match(forIteratorRE);
      if (iteratorMatch) {
        res.alias = alias.replace(forIteratorRE, '').trim();
        res.iterator1 = iteratorMatch[1].trim();
        if (iteratorMatch[2]) {
          res.iterator2 = iteratorMatch[2].trim();
        }
      } else {
        res.alias = alias;
      }
      return res
    }
  
    function processIf (el) {
      var exp = getAndRemoveAttr(el, 'v-if');
      if (exp) {
        el.if = exp;
        addIfCondition(el, {
          exp: exp,
          block: el
        });
      } else {
        if (getAndRemoveAttr(el, 'v-else') != null) {
          el.else = true;
        }
        var elseif = getAndRemoveAttr(el, 'v-else-if');
        if (elseif) {
          el.elseif = elseif;
        }
      }
    }
  
    function processIfConditions (el, parent) {
      var prev = findPrevElement(parent.children);
      if (prev && prev.if) {
        addIfCondition(prev, {
          exp: el.elseif,
          block: el
        });
      } else {
        warn$2(
          "v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
          "used on element <" + (el.tag) + "> without corresponding v-if.",
          el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']
        );
      }
    }
  
    function findPrevElement (children) {
      var i = children.length;
      while (i--) {
        if (children[i].type === 1) {
          return children[i]
        } else {
          if (children[i].text !== ' ') {
            warn$2(
              "text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
              "will be ignored.",
              children[i]
            );
          }
          children.pop();
        }
      }
    }
  
    function addIfCondition (el, condition) {
      if (!el.ifConditions) {
        el.ifConditions = [];
      }
      el.ifConditions.push(condition);
    }
  
    function processOnce (el) {
      var once$$1 = getAndRemoveAttr(el, 'v-once');
      if (once$$1 != null) {
        el.once = true;
      }
    }
  
    // handle content being passed to a component as slot,
    // e.g. <template slot="xxx">, <div slot-scope="xxx">
    function processSlotContent (el) {
      var slotScope;
      if (el.tag === 'template') {
        slotScope = getAndRemoveAttr(el, 'scope');
        /* istanbul ignore if */
        if (slotScope) {
          warn$2(
            "the \"scope\" attribute for scoped slots have been deprecated and " +
            "replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " +
            "can also be used on plain elements in addition to <template> to " +
            "denote scoped slots.",
            el.rawAttrsMap['scope'],
            true
          );
        }
        el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
      } else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
        /* istanbul ignore if */
        if (el.attrsMap['v-for']) {
          warn$2(
            "Ambiguous combined usage of slot-scope and v-for on <" + (el.tag) + "> " +
            "(v-for takes higher priority). Use a wrapper <template> for the " +
            "scoped slot to make it clearer.",
            el.rawAttrsMap['slot-scope'],
            true
          );
        }
        el.slotScope = slotScope;
      }
  
      // slot="xxx"
      var slotTarget = getBindingAttr(el, 'slot');
      if (slotTarget) {
        el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
        el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']);
        // preserve slot as an attribute for native shadow DOM compat
        // only for non-scoped slots.
        if (el.tag !== 'template' && !el.slotScope) {
          addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'));
        }
      }
  
      // 2.6 v-slot syntax
      {
        if (el.tag === 'template') {
          // v-slot on <template>
          var slotBinding = getAndRemoveAttrByRegex(el, slotRE);
          if (slotBinding) {
            {
              if (el.slotTarget || el.slotScope) {
                warn$2(
                  "Unexpected mixed usage of different slot syntaxes.",
                  el
                );
              }
              if (el.parent && !maybeComponent(el.parent)) {
                warn$2(
                  "<template v-slot> can only appear at the root level inside " +
                  "the receiving the component",
                  el
                );
              }
            }
            var ref = getSlotName(slotBinding);
            var name = ref.name;
            var dynamic = ref.dynamic;
            el.slotTarget = name;
            el.slotTargetDynamic = dynamic;
            el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf
          }
        } else {
          // v-slot on component, denotes default slot
          var slotBinding$1 = getAndRemoveAttrByRegex(el, slotRE);
          if (slotBinding$1) {
            {
              if (!maybeComponent(el)) {
                warn$2(
                  "v-slot can only be used on components or <template>.",
                  slotBinding$1
                );
              }
              if (el.slotScope || el.slotTarget) {
                warn$2(
                  "Unexpected mixed usage of different slot syntaxes.",
                  el
                );
              }
              if (el.scopedSlots) {
                warn$2(
                  "To avoid scope ambiguity, the default slot should also use " +
                  "<template> syntax when there are other named slots.",
                  slotBinding$1
                );
              }
            }
            // add the component's children to its default slot
            var slots = el.scopedSlots || (el.scopedSlots = {});
            var ref$1 = getSlotName(slotBinding$1);
            var name$1 = ref$1.name;
            var dynamic$1 = ref$1.dynamic;
            var slotContainer = slots[name$1] = createASTElement('template', [], el);
            slotContainer.slotTarget = name$1;
            slotContainer.slotTargetDynamic = dynamic$1;
            slotContainer.children = el.children.filter(function (c) {
              if (!c.slotScope) {
                c.parent = slotContainer;
                return true
              }
            });
            slotContainer.slotScope = slotBinding$1.value || emptySlotScopeToken;
            // remove children as they are returned from scopedSlots now
            el.children = [];
            // mark el non-plain so data gets generated
            el.plain = false;
          }
        }
      }
    }
  
    function getSlotName (binding) {
      var name = binding.name.replace(slotRE, '');
      if (!name) {
        if (binding.name[0] !== '#') {
          name = 'default';
        } else {
          warn$2(
            "v-slot shorthand syntax requires a slot name.",
            binding
          );
        }
      }
      return dynamicArgRE.test(name)
        // dynamic [name]
        ? { name: name.slice(1, -1), dynamic: true }
        // static name
        : { name: ("\"" + name + "\""), dynamic: false }
    }
  
    // handle <slot/> outlets
    function processSlotOutlet (el) {
      if (el.tag === 'slot') {
        el.slotName = getBindingAttr(el, 'name');
        if (el.key) {
          warn$2(
            "`key` does not work on <slot> because slots are abstract outlets " +
            "and can possibly expand into multiple elements. " +
            "Use the key on a wrapping element instead.",
            getRawBindingAttr(el, 'key')
          );
        }
      }
    }
  
    function processComponent (el) {
      var binding;
      if ((binding = getBindingAttr(el, 'is'))) {
        el.component = binding;
      }
      if (getAndRemoveAttr(el, 'inline-template') != null) {
        el.inlineTemplate = true;
      }
    }
  
    function processAttrs (el) {
      var list = el.attrsList;
      var i, l, name, rawName, value, modifiers, syncGen, isDynamic;
      for (i = 0, l = list.length; i < l; i++) {
        name = rawName = list[i].name;
        value = list[i].value;
        if (dirRE.test(name)) {
          // mark element as dynamic
          el.hasBindings = true;
          // modifiers
          modifiers = parseModifiers(name.replace(dirRE, ''));
          // support .foo shorthand syntax for the .prop modifier
          if (modifiers) {
            name = name.replace(modifierRE, '');
          }
          if (bindRE.test(name)) { // v-bind
            name = name.replace(bindRE, '');
            value = parseFilters(value);
            isDynamic = dynamicArgRE.test(name);
            if (isDynamic) {
              name = name.slice(1, -1);
            }
            if (
              value.trim().length === 0
            ) {
              warn$2(
                ("The value for a v-bind expression cannot be empty. Found in \"v-bind:" + name + "\"")
              );
            }
            if (modifiers) {
              if (modifiers.prop && !isDynamic) {
                name = camelize(name);
                if (name === 'innerHtml') { name = 'innerHTML'; }
              }
              if (modifiers.camel && !isDynamic) {
                name = camelize(name);
              }
              if (modifiers.sync) {
                syncGen = genAssignmentCode(value, "$event");
                if (!isDynamic) {
                  addHandler(
                    el,
                    ("update:" + (camelize(name))),
                    syncGen,
                    null,
                    false,
                    warn$2,
                    list[i]
                  );
                  if (hyphenate(name) !== camelize(name)) {
                    addHandler(
                      el,
                      ("update:" + (hyphenate(name))),
                      syncGen,
                      null,
                      false,
                      warn$2,
                      list[i]
                    );
                  }
                } else {
                  // handler w/ dynamic event name
                  addHandler(
                    el,
                    ("\"update:\"+(" + name + ")"),
                    syncGen,
                    null,
                    false,
                    warn$2,
                    list[i],
                    true // dynamic
                  );
                }
              }
            }
            if ((modifiers && modifiers.prop) || (
              !el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
            )) {
              addProp(el, name, value, list[i], isDynamic);
            } else {
              addAttr(el, name, value, list[i], isDynamic);
            }
          } else if (onRE.test(name)) { // v-on
            name = name.replace(onRE, '');
            isDynamic = dynamicArgRE.test(name);
            if (isDynamic) {
              name = name.slice(1, -1);
            }
            addHandler(el, name, value, modifiers, false, warn$2, list[i], isDynamic);
          } else { // normal directives
            name = name.replace(dirRE, '');
            // parse arg
            var argMatch = name.match(argRE);
            var arg = argMatch && argMatch[1];
            isDynamic = false;
            if (arg) {
              name = name.slice(0, -(arg.length + 1));
              if (dynamicArgRE.test(arg)) {
                arg = arg.slice(1, -1);
                isDynamic = true;
              }
            }
            addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]);
            if (name === 'model') {
              checkForAliasModel(el, value);
            }
          }
        } else {
          // literal attribute
          {
            var res = parseText(value, delimiters);
            if (res) {
              warn$2(
                name + "=\"" + value + "\": " +
                'Interpolation inside attributes has been removed. ' +
                'Use v-bind or the colon shorthand instead. For example, ' +
                'instead of <div id="{{ val }}">, use <div :id="val">.',
                list[i]
              );
            }
          }
          addAttr(el, name, JSON.stringify(value), list[i]);
          // #6887 firefox doesn't update muted state if set via attribute
          // even immediately after element creation
          if (!el.component &&
              name === 'muted' &&
              platformMustUseProp(el.tag, el.attrsMap.type, name)) {
            addProp(el, name, 'true', list[i]);
          }
        }
      }
    }
  
    function checkInFor (el) {
      var parent = el;
      while (parent) {
        if (parent.for !== undefined) {
          return true
        }
        parent = parent.parent;
      }
      return false
    }
  
    function parseModifiers (name) {
      var match = name.match(modifierRE);
      if (match) {
        var ret = {};
        match.forEach(function (m) { ret[m.slice(1)] = true; });
        return ret
      }
    }
  
    function makeAttrsMap (attrs) {
      var map = {};
      for (var i = 0, l = attrs.length; i < l; i++) {
        if (
          map[attrs[i].name] && !isIE && !isEdge
        ) {
          warn$2('duplicate attribute: ' + attrs[i].name, attrs[i]);
        }
        map[attrs[i].name] = attrs[i].value;
      }
      return map
    }
  
    // for script (e.g. type="x/template") or style, do not decode content
    function isTextTag (el) {
      return el.tag === 'script' || el.tag === 'style'
    }
  
    function isForbiddenTag (el) {
      return (
        el.tag === 'style' ||
        (el.tag === 'script' && (
          !el.attrsMap.type ||
          el.attrsMap.type === 'text/javascript'
        ))
      )
    }
  
    var ieNSBug = /^xmlns:NS\d+/;
    var ieNSPrefix = /^NS\d+:/;
  
    /* istanbul ignore next */
    function guardIESVGBug (attrs) {
      var res = [];
      for (var i = 0; i < attrs.length; i++) {
        var attr = attrs[i];
        if (!ieNSBug.test(attr.name)) {
          attr.name = attr.name.replace(ieNSPrefix, '');
          res.push(attr);
        }
      }
      return res
    }
  
    function checkForAliasModel (el, value) {
      var _el = el;
      while (_el) {
        if (_el.for && _el.alias === value) {
          warn$2(
            "<" + (el.tag) + " v-model=\"" + value + "\">: " +
            "You are binding v-model directly to a v-for iteration alias. " +
            "This will not be able to modify the v-for source array because " +
            "writing to the alias is like modifying a function local variable. " +
            "Consider using an array of objects and use v-model on an object property instead.",
            el.rawAttrsMap['v-model']
          );
        }
        _el = _el.parent;
      }
    }
  
    /*  */
  
    function preTransformNode (el, options) {
      if (el.tag === 'input') {
        var map = el.attrsMap;
        if (!map['v-model']) {
          return
        }
  
        var typeBinding;
        if (map[':type'] || map['v-bind:type']) {
          typeBinding = getBindingAttr(el, 'type');
        }
        if (!map.type && !typeBinding && map['v-bind']) {
          typeBinding = "(" + (map['v-bind']) + ").type";
        }
  
        if (typeBinding) {
          var ifCondition = getAndRemoveAttr(el, 'v-if', true);
          var ifConditionExtra = ifCondition ? ("&&(" + ifCondition + ")") : "";
          var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
          var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
          // 1. checkbox
          var branch0 = cloneASTElement(el);
          // process for on the main node
          processFor(branch0);
          addRawAttr(branch0, 'type', 'checkbox');
          processElement(branch0, options);
          branch0.processed = true; // prevent it from double-processed
          branch0.if = "(" + typeBinding + ")==='checkbox'" + ifConditionExtra;
          addIfCondition(branch0, {
            exp: branch0.if,
            block: branch0
          });
          // 2. add radio else-if condition
          var branch1 = cloneASTElement(el);
          getAndRemoveAttr(branch1, 'v-for', true);
          addRawAttr(branch1, 'type', 'radio');
          processElement(branch1, options);
          addIfCondition(branch0, {
            exp: "(" + typeBinding + ")==='radio'" + ifConditionExtra,
            block: branch1
          });
          // 3. other
          var branch2 = cloneASTElement(el);
          getAndRemoveAttr(branch2, 'v-for', true);
          addRawAttr(branch2, ':type', typeBinding);
          processElement(branch2, options);
          addIfCondition(branch0, {
            exp: ifCondition,
            block: branch2
          });
  
          if (hasElse) {
            branch0.else = true;
          } else if (elseIfCondition) {
            branch0.elseif = elseIfCondition;
          }
  
          return branch0
        }
      }
    }
  
    function cloneASTElement (el) {
      return createASTElement(el.tag, el.attrsList.slice(), el.parent)
    }
  
    var model$1 = {
      preTransformNode: preTransformNode
    };
  
    var modules$1 = [
      klass$1,
      style$1,
      model$1
    ];
  
    /*  */
  
    function text (el, dir) {
      if (dir.value) {
        addProp(el, 'textContent', ("_s(" + (dir.value) + ")"), dir);
      }
    }
  
    /*  */
  
    function html (el, dir) {
      if (dir.value) {
        addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"), dir);
      }
    }
  
    var directives$1 = {
      model: model,
      text: text,
      html: html
    };
  
    /*  */
  
    var baseOptions = {
      expectHTML: true,
      modules: modules$1,
      directives: directives$1,
      isPreTag: isPreTag,
      isUnaryTag: isUnaryTag,
      mustUseProp: mustUseProp,
      canBeLeftOpenTag: canBeLeftOpenTag,
      isReservedTag: isReservedTag,
      getTagNamespace: getTagNamespace,
      staticKeys: genStaticKeys(modules$1)
    };
  
    /*  */
  
    var isStaticKey;
    var isPlatformReservedTag;
  
    var genStaticKeysCached = cached(genStaticKeys$1);
  
    /**
     * Goal of the optimizer: walk the generated template AST tree
     * and detect sub-trees that are purely static, i.e. parts of
     * the DOM that never needs to change.
     *
     * Once we detect these sub-trees, we can:
     *
     * 1. Hoist them into constants, so that we no longer need to
     *    create fresh nodes for them on each re-render;
     * 2. Completely skip them in the patching process.
     */
    function optimize (root, options) {
      if (!root) { return }
      isStaticKey = genStaticKeysCached(options.staticKeys || '');
      isPlatformReservedTag = options.isReservedTag || no;
      // first pass: mark all non-static nodes.
      markStatic$1(root);
      // second pass: mark static roots.
      markStaticRoots(root, false);
    }
  
    function genStaticKeys$1 (keys) {
      return makeMap(
        'type,tag,attrsList,attrsMap,plain,parent,children,attrs,start,end,rawAttrsMap' +
        (keys ? ',' + keys : '')
      )
    }
  
    function markStatic$1 (node) {
      node.static = isStatic(node);
      if (node.type === 1) {
        // do not make component slot content static. this avoids
        // 1. components not able to mutate slot nodes
        // 2. static slot content fails for hot-reloading
        if (
          !isPlatformReservedTag(node.tag) &&
          node.tag !== 'slot' &&
          node.attrsMap['inline-template'] == null
        ) {
          return
        }
        for (var i = 0, l = node.children.length; i < l; i++) {
          var child = node.children[i];
          markStatic$1(child);
          if (!child.static) {
            node.static = false;
          }
        }
        if (node.ifConditions) {
          for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
            var block = node.ifConditions[i$1].block;
            markStatic$1(block);
            if (!block.static) {
              node.static = false;
            }
          }
        }
      }
    }
  
    function markStaticRoots (node, isInFor) {
      if (node.type === 1) {
        if (node.static || node.once) {
          node.staticInFor = isInFor;
        }
        // For a node to qualify as a static root, it should have children that
        // are not just static text. Otherwise the cost of hoisting out will
        // outweigh the benefits and it's better off to just always render it fresh.
        if (node.static && node.children.length && !(
          node.children.length === 1 &&
          node.children[0].type === 3
        )) {
          node.staticRoot = true;
          return
        } else {
          node.staticRoot = false;
        }
        if (node.children) {
          for (var i = 0, l = node.children.length; i < l; i++) {
            markStaticRoots(node.children[i], isInFor || !!node.for);
          }
        }
        if (node.ifConditions) {
          for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
            markStaticRoots(node.ifConditions[i$1].block, isInFor);
          }
        }
      }
    }
  
    function isStatic (node) {
      if (node.type === 2) { // expression
        return false
      }
      if (node.type === 3) { // text
        return true
      }
      return !!(node.pre || (
        !node.hasBindings && // no dynamic bindings
        !node.if && !node.for && // not v-if or v-for or v-else
        !isBuiltInTag(node.tag) && // not a built-in
        isPlatformReservedTag(node.tag) && // not a component
        !isDirectChildOfTemplateFor(node) &&
        Object.keys(node).every(isStaticKey)
      ))
    }
  
    function isDirectChildOfTemplateFor (node) {
      while (node.parent) {
        node = node.parent;
        if (node.tag !== 'template') {
          return false
        }
        if (node.for) {
          return true
        }
      }
      return false
    }
  
    /*  */
  
    var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/;
    var fnInvokeRE = /\([^)]*?\);*$/;
    var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
  
    // KeyboardEvent.keyCode aliases
    var keyCodes = {
      esc: 27,
      tab: 9,
      enter: 13,
      space: 32,
      up: 38,
      left: 37,
      right: 39,
      down: 40,
      'delete': [8, 46]
    };
  
    // KeyboardEvent.key aliases
    var keyNames = {
      // #7880: IE11 and Edge use `Esc` for Escape key name.
      esc: ['Esc', 'Escape'],
      tab: 'Tab',
      enter: 'Enter',
      // #9112: IE11 uses `Spacebar` for Space key name.
      space: [' ', 'Spacebar'],
      // #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
      up: ['Up', 'ArrowUp'],
      left: ['Left', 'ArrowLeft'],
      right: ['Right', 'ArrowRight'],
      down: ['Down', 'ArrowDown'],
      // #9112: IE11 uses `Del` for Delete key name.
      'delete': ['Backspace', 'Delete', 'Del']
    };
  
    // #4868: modifiers that prevent the execution of the listener
    // need to explicitly return null so that we can determine whether to remove
    // the listener for .once
    var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };
  
    var modifierCode = {
      stop: '$event.stopPropagation();',
      prevent: '$event.preventDefault();',
      self: genGuard("$event.target !== $event.currentTarget"),
      ctrl: genGuard("!$event.ctrlKey"),
      shift: genGuard("!$event.shiftKey"),
      alt: genGuard("!$event.altKey"),
      meta: genGuard("!$event.metaKey"),
      left: genGuard("'button' in $event && $event.button !== 0"),
      middle: genGuard("'button' in $event && $event.button !== 1"),
      right: genGuard("'button' in $event && $event.button !== 2")
    };
  
    function genHandlers (
      events,
      isNative
    ) {
      var prefix = isNative ? 'nativeOn:' : 'on:';
      var staticHandlers = "";
      var dynamicHandlers = "";
      for (var name in events) {
        var handlerCode = genHandler(events[name]);
        if (events[name] && events[name].dynamic) {
          dynamicHandlers += name + "," + handlerCode + ",";
        } else {
          staticHandlers += "\"" + name + "\":" + handlerCode + ",";
        }
      }
      staticHandlers = "{" + (staticHandlers.slice(0, -1)) + "}";
      if (dynamicHandlers) {
        return prefix + "_d(" + staticHandlers + ",[" + (dynamicHandlers.slice(0, -1)) + "])"
      } else {
        return prefix + staticHandlers
      }
    }
  
    function genHandler (handler) {
      if (!handler) {
        return 'function(){}'
      }
  
      if (Array.isArray(handler)) {
        return ("[" + (handler.map(function (handler) { return genHandler(handler); }).join(',')) + "]")
      }
  
      var isMethodPath = simplePathRE.test(handler.value);
      var isFunctionExpression = fnExpRE.test(handler.value);
      var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, ''));
  
      if (!handler.modifiers) {
        if (isMethodPath || isFunctionExpression) {
          return handler.value
        }
        return ("function($event){" + (isFunctionInvocation ? ("return " + (handler.value)) : handler.value) + "}") // inline statement
      } else {
        var code = '';
        var genModifierCode = '';
        var keys = [];
        for (var key in handler.modifiers) {
          if (modifierCode[key]) {
            genModifierCode += modifierCode[key];
            // left/right
            if (keyCodes[key]) {
              keys.push(key);
            }
          } else if (key === 'exact') {
            var modifiers = (handler.modifiers);
            genModifierCode += genGuard(
              ['ctrl', 'shift', 'alt', 'meta']
                .filter(function (keyModifier) { return !modifiers[keyModifier]; })
                .map(function (keyModifier) { return ("$event." + keyModifier + "Key"); })
                .join('||')
            );
          } else {
            keys.push(key);
          }
        }
        if (keys.length) {
          code += genKeyFilter(keys);
        }
        // Make sure modifiers like prevent and stop get executed after key filtering
        if (genModifierCode) {
          code += genModifierCode;
        }
        var handlerCode = isMethodPath
          ? ("return " + (handler.value) + "($event)")
          : isFunctionExpression
            ? ("return (" + (handler.value) + ")($event)")
            : isFunctionInvocation
              ? ("return " + (handler.value))
              : handler.value;
        return ("function($event){" + code + handlerCode + "}")
      }
    }
  
    function genKeyFilter (keys) {
      return (
        // make sure the key filters only apply to KeyboardEvents
        // #9441: can't use 'keyCode' in $event because Chrome autofill fires fake
        // key events that do not have keyCode property...
        "if(!$event.type.indexOf('key')&&" +
        (keys.map(genFilterCode).join('&&')) + ")return null;"
      )
    }
  
    function genFilterCode (key) {
      var keyVal = parseInt(key, 10);
      if (keyVal) {
        return ("$event.keyCode!==" + keyVal)
      }
      var keyCode = keyCodes[key];
      var keyName = keyNames[key];
      return (
        "_k($event.keyCode," +
        (JSON.stringify(key)) + "," +
        (JSON.stringify(keyCode)) + "," +
        "$event.key," +
        "" + (JSON.stringify(keyName)) +
        ")"
      )
    }
  
    /*  */
  
    function on (el, dir) {
      if (dir.modifiers) {
        warn("v-on without argument does not support modifiers.");
      }
      el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); };
    }
  
    /*  */
  
    function bind$1 (el, dir) {
      el.wrapData = function (code) {
        return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")")
      };
    }
  
    /*  */
  
    var baseDirectives = {
      on: on,
      bind: bind$1,
      cloak: noop
    };
  
    /*  */
  
  
  
  
  
    var CodegenState = function CodegenState (options) {
      this.options = options;
      this.warn = options.warn || baseWarn;
      this.transforms = pluckModuleFunction(options.modules, 'transformCode');
      this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
      this.directives = extend(extend({}, baseDirectives), options.directives);
      var isReservedTag = options.isReservedTag || no;
      this.maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };
      this.onceId = 0;
      this.staticRenderFns = [];
      this.pre = false;
    };
  
  
  
    function generate (
      ast,
      options
    ) {
      var state = new CodegenState(options);
      var code = ast ? genElement(ast, state) : '_c("div")';
      return {
        render: ("with(this){return " + code + "}"),
        staticRenderFns: state.staticRenderFns
      }
    }
  
    function genElement (el, state) {
      if (el.parent) {
        el.pre = el.pre || el.parent.pre;
      }
  
      if (el.staticRoot && !el.staticProcessed) {
        return genStatic(el, state)
      } else if (el.once && !el.onceProcessed) {
        return genOnce(el, state)
      } else if (el.for && !el.forProcessed) {
        return genFor(el, state)
      } else if (el.if && !el.ifProcessed) {
        return genIf(el, state)
      } else if (el.tag === 'template' && !el.slotTarget && !state.pre) {
        return genChildren(el, state) || 'void 0'
      } else if (el.tag === 'slot') {
        return genSlot(el, state)
      } else {
        // component or element
        var code;
        if (el.component) {
          code = genComponent(el.component, el, state);
        } else {
          var data;
          if (!el.plain || (el.pre && state.maybeComponent(el))) {
            data = genData$2(el, state);
          }
  
          var children = el.inlineTemplate ? null : genChildren(el, state, true);
          code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
        }
        // module transforms
        for (var i = 0; i < state.transforms.length; i++) {
          code = state.transforms[i](el, code);
        }
        return code
      }
    }
  
    // hoist static sub-trees out
    function genStatic (el, state) {
      el.staticProcessed = true;
      // Some elements (templates) need to behave differently inside of a v-pre
      // node.  All pre nodes are static roots, so we can use this as a location to
      // wrap a state change and reset it upon exiting the pre node.
      var originalPreState = state.pre;
      if (el.pre) {
        state.pre = el.pre;
      }
      state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
      state.pre = originalPreState;
      return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
    }
  
    // v-once
    function genOnce (el, state) {
      el.onceProcessed = true;
      if (el.if && !el.ifProcessed) {
        return genIf(el, state)
      } else if (el.staticInFor) {
        var key = '';
        var parent = el.parent;
        while (parent) {
          if (parent.for) {
            key = parent.key;
            break
          }
          parent = parent.parent;
        }
        if (!key) {
          state.warn(
            "v-once can only be used inside v-for that is keyed. ",
            el.rawAttrsMap['v-once']
          );
          return genElement(el, state)
        }
        return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")")
      } else {
        return genStatic(el, state)
      }
    }
  
    function genIf (
      el,
      state,
      altGen,
      altEmpty
    ) {
      el.ifProcessed = true; // avoid recursion
      return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
    }
  
    function genIfConditions (
      conditions,
      state,
      altGen,
      altEmpty
    ) {
      if (!conditions.length) {
        return altEmpty || '_e()'
      }
  
      var condition = conditions.shift();
      if (condition.exp) {
        return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty)))
      } else {
        return ("" + (genTernaryExp(condition.block)))
      }
  
      // v-if with v-once should generate code like (a)?_m(0):_m(1)
      function genTernaryExp (el) {
        return altGen
          ? altGen(el, state)
          : el.once
            ? genOnce(el, state)
            : genElement(el, state)
      }
    }
  
    function genFor (
      el,
      state,
      altGen,
      altHelper
    ) {
      var exp = el.for;
      var alias = el.alias;
      var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
      var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
  
      if (state.maybeComponent(el) &&
        el.tag !== 'slot' &&
        el.tag !== 'template' &&
        !el.key
      ) {
        state.warn(
          "<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
          "v-for should have explicit keys. " +
          "See https://vuejs.org/guide/list.html#key for more info.",
          el.rawAttrsMap['v-for'],
          true /* tip */
        );
      }
  
      el.forProcessed = true; // avoid recursion
      return (altHelper || '_l') + "((" + exp + ")," +
        "function(" + alias + iterator1 + iterator2 + "){" +
          "return " + ((altGen || genElement)(el, state)) +
        '})'
    }
  
    function genData$2 (el, state) {
      var data = '{';
  
      // directives first.
      // directives may mutate the el's other properties before they are generated.
      var dirs = genDirectives(el, state);
      if (dirs) { data += dirs + ','; }
  
      // key
      if (el.key) {
        data += "key:" + (el.key) + ",";
      }
      // ref
      if (el.ref) {
        data += "ref:" + (el.ref) + ",";
      }
      if (el.refInFor) {
        data += "refInFor:true,";
      }
      // pre
      if (el.pre) {
        data += "pre:true,";
      }
      // record original tag name for components using "is" attribute
      if (el.component) {
        data += "tag:\"" + (el.tag) + "\",";
      }
      // module data generation functions
      for (var i = 0; i < state.dataGenFns.length; i++) {
        data += state.dataGenFns[i](el);
      }
      // attributes
      if (el.attrs) {
        data += "attrs:" + (genProps(el.attrs)) + ",";
      }
      // DOM props
      if (el.props) {
        data += "domProps:" + (genProps(el.props)) + ",";
      }
      // event handlers
      if (el.events) {
        data += (genHandlers(el.events, false)) + ",";
      }
      if (el.nativeEvents) {
        data += (genHandlers(el.nativeEvents, true)) + ",";
      }
      // slot target
      // only for non-scoped slots
      if (el.slotTarget && !el.slotScope) {
        data += "slot:" + (el.slotTarget) + ",";
      }
      // scoped slots
      if (el.scopedSlots) {
        data += (genScopedSlots(el, el.scopedSlots, state)) + ",";
      }
      // component v-model
      if (el.model) {
        data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
      }
      // inline-template
      if (el.inlineTemplate) {
        var inlineTemplate = genInlineTemplate(el, state);
        if (inlineTemplate) {
          data += inlineTemplate + ",";
        }
      }
      data = data.replace(/,$/, '') + '}';
      // v-bind dynamic argument wrap
      // v-bind with dynamic arguments must be applied using the same v-bind object
      // merge helper so that class/style/mustUseProp attrs are handled correctly.
      if (el.dynamicAttrs) {
        data = "_b(" + data + ",\"" + (el.tag) + "\"," + (genProps(el.dynamicAttrs)) + ")";
      }
      // v-bind data wrap
      if (el.wrapData) {
        data = el.wrapData(data);
      }
      // v-on data wrap
      if (el.wrapListeners) {
        data = el.wrapListeners(data);
      }
      return data
    }
  
    function genDirectives (el, state) {
      var dirs = el.directives;
      if (!dirs) { return }
      var res = 'directives:[';
      var hasRuntime = false;
      var i, l, dir, needRuntime;
      for (i = 0, l = dirs.length; i < l; i++) {
        dir = dirs[i];
        needRuntime = true;
        var gen = state.directives[dir.name];
        if (gen) {
          // compile-time directive that manipulates AST.
          // returns true if it also needs a runtime counterpart.
          needRuntime = !!gen(el, dir, state.warn);
        }
        if (needRuntime) {
          hasRuntime = true;
          res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:" + (dir.isDynamicArg ? dir.arg : ("\"" + (dir.arg) + "\""))) : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
        }
      }
      if (hasRuntime) {
        return res.slice(0, -1) + ']'
      }
    }
  
    function genInlineTemplate (el, state) {
      var ast = el.children[0];
      if (el.children.length !== 1 || ast.type !== 1) {
        state.warn(
          'Inline-template components must have exactly one child element.',
          { start: el.start }
        );
      }
      if (ast && ast.type === 1) {
        var inlineRenderFns = generate(ast, state.options);
        return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
      }
    }
  
    function genScopedSlots (
      el,
      slots,
      state
    ) {
      // by default scoped slots are considered "stable", this allows child
      // components with only scoped slots to skip forced updates from parent.
      // but in some cases we have to bail-out of this optimization
      // for example if the slot contains dynamic names, has v-if or v-for on them...
      var needsForceUpdate = el.for || Object.keys(slots).some(function (key) {
        var slot = slots[key];
        return (
          slot.slotTargetDynamic ||
          slot.if ||
          slot.for ||
          containsSlotChild(slot) // is passing down slot from parent which may be dynamic
        )
      });
  
      // #9534: if a component with scoped slots is inside a conditional branch,
      // it's possible for the same component to be reused but with different
      // compiled slot content. To avoid that, we generate a unique key based on
      // the generated code of all the slot contents.
      var needsKey = !!el.if;
  
      // OR when it is inside another scoped slot or v-for (the reactivity may be
      // disconnected due to the intermediate scope variable)
      // #9438, #9506
      // TODO: this can be further optimized by properly analyzing in-scope bindings
      // and skip force updating ones that do not actually use scope variables.
      if (!needsForceUpdate) {
        var parent = el.parent;
        while (parent) {
          if (
            (parent.slotScope && parent.slotScope !== emptySlotScopeToken) ||
            parent.for
          ) {
            needsForceUpdate = true;
            break
          }
          if (parent.if) {
            needsKey = true;
          }
          parent = parent.parent;
        }
      }
  
      var generatedSlots = Object.keys(slots)
        .map(function (key) { return genScopedSlot(slots[key], state); })
        .join(',');
  
      return ("scopedSlots:_u([" + generatedSlots + "]" + (needsForceUpdate ? ",null,true" : "") + (!needsForceUpdate && needsKey ? (",null,false," + (hash(generatedSlots))) : "") + ")")
    }
  
    function hash(str) {
      var hash = 5381;
      var i = str.length;
      while(i) {
        hash = (hash * 33) ^ str.charCodeAt(--i);
      }
      return hash >>> 0
    }
  
    function containsSlotChild (el) {
      if (el.type === 1) {
        if (el.tag === 'slot') {
          return true
        }
        return el.children.some(containsSlotChild)
      }
      return false
    }
  
    function genScopedSlot (
      el,
      state
    ) {
      var isLegacySyntax = el.attrsMap['slot-scope'];
      if (el.if && !el.ifProcessed && !isLegacySyntax) {
        return genIf(el, state, genScopedSlot, "null")
      }
      if (el.for && !el.forProcessed) {
        return genFor(el, state, genScopedSlot)
      }
      var slotScope = el.slotScope === emptySlotScopeToken
        ? ""
        : String(el.slotScope);
      var fn = "function(" + slotScope + "){" +
        "return " + (el.tag === 'template'
          ? el.if && isLegacySyntax
            ? ("(" + (el.if) + ")?" + (genChildren(el, state) || 'undefined') + ":undefined")
            : genChildren(el, state) || 'undefined'
          : genElement(el, state)) + "}";
      // reverse proxy v-slot without scope on this.$slots
      var reverseProxy = slotScope ? "" : ",proxy:true";
      return ("{key:" + (el.slotTarget || "\"default\"") + ",fn:" + fn + reverseProxy + "}")
    }
  
    function genChildren (
      el,
      state,
      checkSkip,
      altGenElement,
      altGenNode
    ) {
      var children = el.children;
      if (children.length) {
        var el$1 = children[0];
        // optimize single v-for
        if (children.length === 1 &&
          el$1.for &&
          el$1.tag !== 'template' &&
          el$1.tag !== 'slot'
        ) {
          var normalizationType = checkSkip
            ? state.maybeComponent(el$1) ? ",1" : ",0"
            : "";
          return ("" + ((altGenElement || genElement)(el$1, state)) + normalizationType)
        }
        var normalizationType$1 = checkSkip
          ? getNormalizationType(children, state.maybeComponent)
          : 0;
        var gen = altGenNode || genNode;
        return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType$1 ? ("," + normalizationType$1) : ''))
      }
    }
  
    // determine the normalization needed for the children array.
    // 0: no normalization needed
    // 1: simple normalization needed (possible 1-level deep nested array)
    // 2: full normalization needed
    function getNormalizationType (
      children,
      maybeComponent
    ) {
      var res = 0;
      for (var i = 0; i < children.length; i++) {
        var el = children[i];
        if (el.type !== 1) {
          continue
        }
        if (needsNormalization(el) ||
            (el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
          res = 2;
          break
        }
        if (maybeComponent(el) ||
            (el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
          res = 1;
        }
      }
      return res
    }
  
    function needsNormalization (el) {
      return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
    }
  
    function genNode (node, state) {
      if (node.type === 1) {
        return genElement(node, state)
      } else if (node.type === 3 && node.isComment) {
        return genComment(node)
      } else {
        return genText(node)
      }
    }
  
    function genText (text) {
      return ("_v(" + (text.type === 2
        ? text.expression // no need for () because already wrapped in _s()
        : transformSpecialNewlines(JSON.stringify(text.text))) + ")")
    }
  
    function genComment (comment) {
      return ("_e(" + (JSON.stringify(comment.text)) + ")")
    }
  
    function genSlot (el, state) {
      var slotName = el.slotName || '"default"';
      var children = genChildren(el, state);
      var res = "_t(" + slotName + (children ? ("," + children) : '');
      var attrs = el.attrs || el.dynamicAttrs
        ? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) { return ({
            // slot props are camelized
            name: camelize(attr.name),
            value: attr.value,
            dynamic: attr.dynamic
          }); }))
        : null;
      var bind$$1 = el.attrsMap['v-bind'];
      if ((attrs || bind$$1) && !children) {
        res += ",null";
      }
      if (attrs) {
        res += "," + attrs;
      }
      if (bind$$1) {
        res += (attrs ? '' : ',null') + "," + bind$$1;
      }
      return res + ')'
    }
  
    // componentName is el.component, take it as argument to shun flow's pessimistic refinement
    function genComponent (
      componentName,
      el,
      state
    ) {
      var children = el.inlineTemplate ? null : genChildren(el, state, true);
      return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")")
    }
  
    function genProps (props) {
      var staticProps = "";
      var dynamicProps = "";
      for (var i = 0; i < props.length; i++) {
        var prop = props[i];
        var value = transformSpecialNewlines(prop.value);
        if (prop.dynamic) {
          dynamicProps += (prop.name) + "," + value + ",";
        } else {
          staticProps += "\"" + (prop.name) + "\":" + value + ",";
        }
      }
      staticProps = "{" + (staticProps.slice(0, -1)) + "}";
      if (dynamicProps) {
        return ("_d(" + staticProps + ",[" + (dynamicProps.slice(0, -1)) + "])")
      } else {
        return staticProps
      }
    }
  
    // #3895, #4268
    function transformSpecialNewlines (text) {
      return text
        .replace(/\u2028/g, '\\u2028')
        .replace(/\u2029/g, '\\u2029')
    }
  
    /*  */
  
  
  
    // these keywords should not appear inside expressions, but operators like
    // typeof, instanceof and in are allowed
    var prohibitedKeywordRE = new RegExp('\\b' + (
      'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
      'super,throw,while,yield,delete,export,import,return,switch,default,' +
      'extends,finally,continue,debugger,function,arguments'
    ).split(',').join('\\b|\\b') + '\\b');
  
    // these unary operators should not be used as property/method names
    var unaryOperatorsRE = new RegExp('\\b' + (
      'delete,typeof,void'
    ).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');
  
    // strip strings in expressions
    var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
  
    // detect problematic expressions in a template
    function detectErrors (ast, warn) {
      if (ast) {
        checkNode(ast, warn);
      }
    }
  
    function checkNode (node, warn) {
      if (node.type === 1) {
        for (var name in node.attrsMap) {
          if (dirRE.test(name)) {
            var value = node.attrsMap[name];
            if (value) {
              var range = node.rawAttrsMap[name];
              if (name === 'v-for') {
                checkFor(node, ("v-for=\"" + value + "\""), warn, range);
              } else if (onRE.test(name)) {
                checkEvent(value, (name + "=\"" + value + "\""), warn, range);
              } else {
                checkExpression(value, (name + "=\"" + value + "\""), warn, range);
              }
            }
          }
        }
        if (node.children) {
          for (var i = 0; i < node.children.length; i++) {
            checkNode(node.children[i], warn);
          }
        }
      } else if (node.type === 2) {
        checkExpression(node.expression, node.text, warn, node);
      }
    }
  
    function checkEvent (exp, text, warn, range) {
      var stipped = exp.replace(stripStringRE, '');
      var keywordMatch = stipped.match(unaryOperatorsRE);
      if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') {
        warn(
          "avoid using JavaScript unary operator as property name: " +
          "\"" + (keywordMatch[0]) + "\" in expression " + (text.trim()),
          range
        );
      }
      checkExpression(exp, text, warn, range);
    }
  
    function checkFor (node, text, warn, range) {
      checkExpression(node.for || '', text, warn, range);
      checkIdentifier(node.alias, 'v-for alias', text, warn, range);
      checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);
      checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);
    }
  
    function checkIdentifier (
      ident,
      type,
      text,
      warn,
      range
    ) {
      if (typeof ident === 'string') {
        try {
          new Function(("var " + ident + "=_"));
        } catch (e) {
          warn(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())), range);
        }
      }
    }
  
    function checkExpression (exp, text, warn, range) {
      try {
        new Function(("return " + exp));
      } catch (e) {
        var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
        if (keywordMatch) {
          warn(
            "avoid using JavaScript keyword as property name: " +
            "\"" + (keywordMatch[0]) + "\"\n  Raw expression: " + (text.trim()),
            range
          );
        } else {
          warn(
            "invalid expression: " + (e.message) + " in\n\n" +
            "    " + exp + "\n\n" +
            "  Raw expression: " + (text.trim()) + "\n",
            range
          );
        }
      }
    }
  
    /*  */
  
    var range = 2;
  
    function generateCodeFrame (
      source,
      start,
      end
    ) {
      if ( start === void 0 ) start = 0;
      if ( end === void 0 ) end = source.length;
  
      var lines = source.split(/\r?\n/);
      var count = 0;
      var res = [];
      for (var i = 0; i < lines.length; i++) {
        count += lines[i].length + 1;
        if (count >= start) {
          for (var j = i - range; j <= i + range || end > count; j++) {
            if (j < 0 || j >= lines.length) { continue }
            res.push(("" + (j + 1) + (repeat$1(" ", 3 - String(j + 1).length)) + "|  " + (lines[j])));
            var lineLength = lines[j].length;
            if (j === i) {
              // push underline
              var pad = start - (count - lineLength) + 1;
              var length = end > count ? lineLength - pad : end - start;
              res.push("   |  " + repeat$1(" ", pad) + repeat$1("^", length));
            } else if (j > i) {
              if (end > count) {
                var length$1 = Math.min(end - count, lineLength);
                res.push("   |  " + repeat$1("^", length$1));
              }
              count += lineLength + 1;
            }
          }
          break
        }
      }
      return res.join('\n')
    }
  
    function repeat$1 (str, n) {
      var result = '';
      if (n > 0) {
        while (true) { // eslint-disable-line
          if (n & 1) { result += str; }
          n >>>= 1;
          if (n <= 0) { break }
          str += str;
        }
      }
      return result
    }
  
    /*  */
  
  
  
    function createFunction (code, errors) {
      try {
        return new Function(code)
      } catch (err) {
        errors.push({ err: err, code: code });
        return noop
      }
    }
  
    function createCompileToFunctionFn (compile) {
      var cache = Object.create(null);
  
      return function compileToFunctions (
        template,
        options,
        vm
      ) {
        options = extend({}, options);
        var warn$$1 = options.warn || warn;
        delete options.warn;
  
        /* istanbul ignore if */
        {
          // detect possible CSP restriction
          try {
            new Function('return 1');
          } catch (e) {
            if (e.toString().match(/unsafe-eval|CSP/)) {
              warn$$1(
                'It seems you are using the standalone build of Vue.js in an ' +
                'environment with Content Security Policy that prohibits unsafe-eval. ' +
                'The template compiler cannot work in this environment. Consider ' +
                'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
                'templates into render functions.'
              );
            }
          }
        }
  
        // check cache
        var key = options.delimiters
          ? String(options.delimiters) + template
          : template;
        if (cache[key]) {
          return cache[key]
        }
  
        // compile
        var compiled = compile(template, options);
  
        // check compilation errors/tips
        {
          if (compiled.errors && compiled.errors.length) {
            if (options.outputSourceRange) {
              compiled.errors.forEach(function (e) {
                warn$$1(
                  "Error compiling template:\n\n" + (e.msg) + "\n\n" +
                  generateCodeFrame(template, e.start, e.end),
                  vm
                );
              });
            } else {
              warn$$1(
                "Error compiling template:\n\n" + template + "\n\n" +
                compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
                vm
              );
            }
          }
          if (compiled.tips && compiled.tips.length) {
            if (options.outputSourceRange) {
              compiled.tips.forEach(function (e) { return tip(e.msg, vm); });
            } else {
              compiled.tips.forEach(function (msg) { return tip(msg, vm); });
            }
          }
        }
  
        // turn code into functions
        var res = {};
        var fnGenErrors = [];
        res.render = createFunction(compiled.render, fnGenErrors);
        res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
          return createFunction(code, fnGenErrors)
        });
  
        // check function generation errors.
        // this should only happen if there is a bug in the compiler itself.
        // mostly for codegen development use
        /* istanbul ignore if */
        {
          if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
            warn$$1(
              "Failed to generate render function:\n\n" +
              fnGenErrors.map(function (ref) {
                var err = ref.err;
                var code = ref.code;
  
                return ((err.toString()) + " in\n\n" + code + "\n");
            }).join('\n'),
              vm
            );
          }
        }
  
        return (cache[key] = res)
      }
    }
  
    /*  */
  
    function createCompilerCreator (baseCompile) {
      return function createCompiler (baseOptions) {
        function compile (
          template,
          options
        ) {
          var finalOptions = Object.create(baseOptions);
          var errors = [];
          var tips = [];
  
          var warn = function (msg, range, tip) {
            (tip ? tips : errors).push(msg);
          };
  
          if (options) {
            if (options.outputSourceRange) {
              // $flow-disable-line
              var leadingSpaceLength = template.match(/^\s*/)[0].length;
  
              warn = function (msg, range, tip) {
                var data = { msg: msg };
                if (range) {
                  if (range.start != null) {
                    data.start = range.start + leadingSpaceLength;
                  }
                  if (range.end != null) {
                    data.end = range.end + leadingSpaceLength;
                  }
                }
                (tip ? tips : errors).push(data);
              };
            }
            // merge custom modules
            if (options.modules) {
              finalOptions.modules =
                (baseOptions.modules || []).concat(options.modules);
            }
            // merge custom directives
            if (options.directives) {
              finalOptions.directives = extend(
                Object.create(baseOptions.directives || null),
                options.directives
              );
            }
            // copy other options
            for (var key in options) {
              if (key !== 'modules' && key !== 'directives') {
                finalOptions[key] = options[key];
              }
            }
          }
  
          finalOptions.warn = warn;
  
          var compiled = baseCompile(template.trim(), finalOptions);
          {
            detectErrors(compiled.ast, warn);
          }
          compiled.errors = errors;
          compiled.tips = tips;
          return compiled
        }
  
        return {
          compile: compile,
          compileToFunctions: createCompileToFunctionFn(compile)
        }
      }
    }
  
    /*  */
  
    // `createCompilerCreator` allows creating compilers that use alternative
    // parser/optimizer/codegen, e.g the SSR optimizing compiler.
    // Here we just export a default compiler using the default parts.
    var createCompiler = createCompilerCreator(function baseCompile (
      template,
      options
    ) {
      var ast = parse(template.trim(), options);
      if (options.optimize !== false) {
        optimize(ast, options);
      }
      var code = generate(ast, options);
      return {
        ast: ast,
        render: code.render,
        staticRenderFns: code.staticRenderFns
      }
    });
  
    /*  */
  
    var ref$1 = createCompiler(baseOptions);
    var compile = ref$1.compile;
    var compileToFunctions = ref$1.compileToFunctions;
  
    /*  */
  
    // check whether current browser encodes a char inside attribute values
    var div;
    function getShouldDecode (href) {
      div = div || document.createElement('div');
      div.innerHTML = href ? "<a href=\"\n\"/>" : "<div a=\"\n\"/>";
      return div.innerHTML.indexOf('&#10;') > 0
    }
  
    // #3663: IE encodes newlines inside attribute values while other browsers don't
    var shouldDecodeNewlines = inBrowser ? getShouldDecode(false) : false;
    // #6828: chrome encodes content in a[href]
    var shouldDecodeNewlinesForHref = inBrowser ? getShouldDecode(true) : false;
  
    /*  */
  
    var idToTemplate = cached(function (id) {
      var el = query(id);
      return el && el.innerHTML
    });
  
    var mount = Vue.prototype.$mount;
    Vue.prototype.$mount = function (
      el,
      hydrating
    ) {
      el = el && query(el);
  
      /* istanbul ignore if */
      if (el === document.body || el === document.documentElement) {
        warn(
          "Do not mount Vue to <html> or <body> - mount to normal elements instead."
        );
        return this
      }
  
      var options = this.$options;
      // resolve template/el and convert to render function
      if (!options.render) {
        var template = options.template;
        if (template) {
          if (typeof template === 'string') {
            if (template.charAt(0) === '#') {
              template = idToTemplate(template);
              /* istanbul ignore if */
              if (!template) {
                warn(
                  ("Template element not found or is empty: " + (options.template)),
                  this
                );
              }
            }
          } else if (template.nodeType) {
            template = template.innerHTML;
          } else {
            {
              warn('invalid template option:' + template, this);
            }
            return this
          }
        } else if (el) {
          template = getOuterHTML(el);
        }
        if (template) {
          /* istanbul ignore if */
          if (config.performance && mark) {
            mark('compile');
          }
  
          var ref = compileToFunctions(template, {
            outputSourceRange: "development" !== 'production',
            shouldDecodeNewlines: shouldDecodeNewlines,
            shouldDecodeNewlinesForHref: shouldDecodeNewlinesForHref,
            delimiters: options.delimiters,
            comments: options.comments
          }, this);
          var render = ref.render;
          var staticRenderFns = ref.staticRenderFns;
          options.render = render;
          options.staticRenderFns = staticRenderFns;
  
          /* istanbul ignore if */
          if (config.performance && mark) {
            mark('compile end');
            measure(("vue " + (this._name) + " compile"), 'compile', 'compile end');
          }
        }
      }
      return mount.call(this, el, hydrating)
    };
  
    /**
     * Get outerHTML of elements, taking care
     * of SVG elements in IE as well.
     */
    function getOuterHTML (el) {
      if (el.outerHTML) {
        return el.outerHTML
      } else {
        var container = document.createElement('div');
        container.appendChild(el.cloneNode(true));
        return container.innerHTML
      }
    }
  
    Vue.compile = compileToFunctions;
  
    return Vue;
  
  }));
  /* axios v0.19.0 | (c) 2019 by Matt Zabriskie */
  (function webpackUniversalModuleDefinition(root, factory) {
  	if(typeof exports === 'object' && typeof module === 'object')
  		module.exports = factory();
  	else if(typeof define === 'function' && define.amd)
  		define([], factory);
  	else if(typeof exports === 'object')
  		exports["axios"] = factory();
  	else
  		root["axios"] = factory();
  })(this, function() {
  return /******/ (function(modules) { // webpackBootstrap
  /******/ 	// The module cache
  /******/ 	var installedModules = {};
  /******/
  /******/ 	// The require function
  /******/ 	function __webpack_require__(moduleId) {
  /******/
  /******/ 		// Check if module is in cache
  /******/ 		if(installedModules[moduleId])
  /******/ 			return installedModules[moduleId].exports;
  /******/
  /******/ 		// Create a new module (and put it into the cache)
  /******/ 		var module = installedModules[moduleId] = {
  /******/ 			exports: {},
  /******/ 			id: moduleId,
  /******/ 			loaded: false
  /******/ 		};
  /******/
  /******/ 		// Execute the module function
  /******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
  /******/
  /******/ 		// Flag the module as loaded
  /******/ 		module.loaded = true;
  /******/
  /******/ 		// Return the exports of the module
  /******/ 		return module.exports;
  /******/ 	}
  /******/
  /******/
  /******/ 	// expose the modules object (__webpack_modules__)
  /******/ 	__webpack_require__.m = modules;
  /******/
  /******/ 	// expose the module cache
  /******/ 	__webpack_require__.c = installedModules;
  /******/
  /******/ 	// __webpack_public_path__
  /******/ 	__webpack_require__.p = "";
  /******/
  /******/ 	// Load entry module and return exports
  /******/ 	return __webpack_require__(0);
  /******/ })
  /************************************************************************/
  /******/ ([
  /* 0 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	module.exports = __webpack_require__(1);
  
  /***/ }),
  /* 1 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	var bind = __webpack_require__(3);
  	var Axios = __webpack_require__(5);
  	var mergeConfig = __webpack_require__(22);
  	var defaults = __webpack_require__(11);
  	
  	/**
  	 * Create an instance of Axios
  	 *
  	 * @param {Object} defaultConfig The default config for the instance
  	 * @return {Axios} A new instance of Axios
  	 */
  	function createInstance(defaultConfig) {
  	  var context = new Axios(defaultConfig);
  	  var instance = bind(Axios.prototype.request, context);
  	
  	  // Copy axios.prototype to instance
  	  utils.extend(instance, Axios.prototype, context);
  	
  	  // Copy context to instance
  	  utils.extend(instance, context);
  	
  	  return instance;
  	}
  	
  	// Create the default instance to be exported
  	var axios = createInstance(defaults);
  	
  	// Expose Axios class to allow class inheritance
  	axios.Axios = Axios;
  	
  	// Factory for creating new instances
  	axios.create = function create(instanceConfig) {
  	  return createInstance(mergeConfig(axios.defaults, instanceConfig));
  	};
  	
  	// Expose Cancel & CancelToken
  	axios.Cancel = __webpack_require__(23);
  	axios.CancelToken = __webpack_require__(24);
  	axios.isCancel = __webpack_require__(10);
  	
  	// Expose all/spread
  	axios.all = function all(promises) {
  	  return Promise.all(promises);
  	};
  	axios.spread = __webpack_require__(25);
  	
  	module.exports = axios;
  	
  	// Allow use of default import syntax in TypeScript
  	module.exports.default = axios;
  
  
  /***/ }),
  /* 2 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var bind = __webpack_require__(3);
  	var isBuffer = __webpack_require__(4);
  	
  	/*global toString:true*/
  	
  	// utils is a library of generic helper functions non-specific to axios
  	
  	var toString = Object.prototype.toString;
  	
  	/**
  	 * Determine if a value is an Array
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is an Array, otherwise false
  	 */
  	function isArray(val) {
  	  return toString.call(val) === '[object Array]';
  	}
  	
  	/**
  	 * Determine if a value is an ArrayBuffer
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is an ArrayBuffer, otherwise false
  	 */
  	function isArrayBuffer(val) {
  	  return toString.call(val) === '[object ArrayBuffer]';
  	}
  	
  	/**
  	 * Determine if a value is a FormData
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is an FormData, otherwise false
  	 */
  	function isFormData(val) {
  	  return (typeof FormData !== 'undefined') && (val instanceof FormData);
  	}
  	
  	/**
  	 * Determine if a value is a view on an ArrayBuffer
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is a view on an ArrayBuffer, otherwise false
  	 */
  	function isArrayBufferView(val) {
  	  var result;
  	  if ((typeof ArrayBuffer !== 'undefined') && (ArrayBuffer.isView)) {
  	    result = ArrayBuffer.isView(val);
  	  } else {
  	    result = (val) && (val.buffer) && (val.buffer instanceof ArrayBuffer);
  	  }
  	  return result;
  	}
  	
  	/**
  	 * Determine if a value is a String
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is a String, otherwise false
  	 */
  	function isString(val) {
  	  return typeof val === 'string';
  	}
  	
  	/**
  	 * Determine if a value is a Number
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is a Number, otherwise false
  	 */
  	function isNumber(val) {
  	  return typeof val === 'number';
  	}
  	
  	/**
  	 * Determine if a value is undefined
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if the value is undefined, otherwise false
  	 */
  	function isUndefined(val) {
  	  return typeof val === 'undefined';
  	}
  	
  	/**
  	 * Determine if a value is an Object
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is an Object, otherwise false
  	 */
  	function isObject(val) {
  	  return val !== null && typeof val === 'object';
  	}
  	
  	/**
  	 * Determine if a value is a Date
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is a Date, otherwise false
  	 */
  	function isDate(val) {
  	  return toString.call(val) === '[object Date]';
  	}
  	
  	/**
  	 * Determine if a value is a File
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is a File, otherwise false
  	 */
  	function isFile(val) {
  	  return toString.call(val) === '[object File]';
  	}
  	
  	/**
  	 * Determine if a value is a Blob
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is a Blob, otherwise false
  	 */
  	function isBlob(val) {
  	  return toString.call(val) === '[object Blob]';
  	}
  	
  	/**
  	 * Determine if a value is a Function
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is a Function, otherwise false
  	 */
  	function isFunction(val) {
  	  return toString.call(val) === '[object Function]';
  	}
  	
  	/**
  	 * Determine if a value is a Stream
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is a Stream, otherwise false
  	 */
  	function isStream(val) {
  	  return isObject(val) && isFunction(val.pipe);
  	}
  	
  	/**
  	 * Determine if a value is a URLSearchParams object
  	 *
  	 * @param {Object} val The value to test
  	 * @returns {boolean} True if value is a URLSearchParams object, otherwise false
  	 */
  	function isURLSearchParams(val) {
  	  return typeof URLSearchParams !== 'undefined' && val instanceof URLSearchParams;
  	}
  	
  	/**
  	 * Trim excess whitespace off the beginning and end of a string
  	 *
  	 * @param {String} str The String to trim
  	 * @returns {String} The String freed of excess whitespace
  	 */
  	function trim(str) {
  	  return str.replace(/^\s*/, '').replace(/\s*$/, '');
  	}
  	
  	/**
  	 * Determine if we're running in a standard browser environment
  	 *
  	 * This allows axios to run in a web worker, and react-native.
  	 * Both environments support XMLHttpRequest, but not fully standard globals.
  	 *
  	 * web workers:
  	 *  typeof window -> undefined
  	 *  typeof document -> undefined
  	 *
  	 * react-native:
  	 *  navigator.product -> 'ReactNative'
  	 * nativescript
  	 *  navigator.product -> 'NativeScript' or 'NS'
  	 */
  	function isStandardBrowserEnv() {
  	  if (typeof navigator !== 'undefined' && (navigator.product === 'ReactNative' ||
  	                                           navigator.product === 'NativeScript' ||
  	                                           navigator.product === 'NS')) {
  	    return false;
  	  }
  	  return (
  	    typeof window !== 'undefined' &&
  	    typeof document !== 'undefined'
  	  );
  	}
  	
  	/**
  	 * Iterate over an Array or an Object invoking a function for each item.
  	 *
  	 * If `obj` is an Array callback will be called passing
  	 * the value, index, and complete array for each item.
  	 *
  	 * If 'obj' is an Object callback will be called passing
  	 * the value, key, and complete object for each property.
  	 *
  	 * @param {Object|Array} obj The object to iterate
  	 * @param {Function} fn The callback to invoke for each item
  	 */
  	function forEach(obj, fn) {
  	  // Don't bother if no value provided
  	  if (obj === null || typeof obj === 'undefined') {
  	    return;
  	  }
  	
  	  // Force an array if not already something iterable
  	  if (typeof obj !== 'object') {
  	    /*eslint no-param-reassign:0*/
  	    obj = [obj];
  	  }
  	
  	  if (isArray(obj)) {
  	    // Iterate over array values
  	    for (var i = 0, l = obj.length; i < l; i++) {
  	      fn.call(null, obj[i], i, obj);
  	    }
  	  } else {
  	    // Iterate over object keys
  	    for (var key in obj) {
  	      if (Object.prototype.hasOwnProperty.call(obj, key)) {
  	        fn.call(null, obj[key], key, obj);
  	      }
  	    }
  	  }
  	}
  	
  	/**
  	 * Accepts varargs expecting each argument to be an object, then
  	 * immutably merges the properties of each object and returns result.
  	 *
  	 * When multiple objects contain the same key the later object in
  	 * the arguments list will take precedence.
  	 *
  	 * Example:
  	 *
  	 * ```js
  	 * var result = merge({foo: 123}, {foo: 456});
  	 * console.log(result.foo); // outputs 456
  	 * ```
  	 *
  	 * @param {Object} obj1 Object to merge
  	 * @returns {Object} Result of all merge properties
  	 */
  	function merge(/* obj1, obj2, obj3, ... */) {
  	  var result = {};
  	  function assignValue(val, key) {
  	    if (typeof result[key] === 'object' && typeof val === 'object') {
  	      result[key] = merge(result[key], val);
  	    } else {
  	      result[key] = val;
  	    }
  	  }
  	
  	  for (var i = 0, l = arguments.length; i < l; i++) {
  	    forEach(arguments[i], assignValue);
  	  }
  	  return result;
  	}
  	
  	/**
  	 * Function equal to merge with the difference being that no reference
  	 * to original objects is kept.
  	 *
  	 * @see merge
  	 * @param {Object} obj1 Object to merge
  	 * @returns {Object} Result of all merge properties
  	 */
  	function deepMerge(/* obj1, obj2, obj3, ... */) {
  	  var result = {};
  	  function assignValue(val, key) {
  	    if (typeof result[key] === 'object' && typeof val === 'object') {
  	      result[key] = deepMerge(result[key], val);
  	    } else if (typeof val === 'object') {
  	      result[key] = deepMerge({}, val);
  	    } else {
  	      result[key] = val;
  	    }
  	  }
  	
  	  for (var i = 0, l = arguments.length; i < l; i++) {
  	    forEach(arguments[i], assignValue);
  	  }
  	  return result;
  	}
  	
  	/**
  	 * Extends object a by mutably adding to it the properties of object b.
  	 *
  	 * @param {Object} a The object to be extended
  	 * @param {Object} b The object to copy properties from
  	 * @param {Object} thisArg The object to bind function to
  	 * @return {Object} The resulting value of object a
  	 */
  	function extend(a, b, thisArg) {
  	  forEach(b, function assignValue(val, key) {
  	    if (thisArg && typeof val === 'function') {
  	      a[key] = bind(val, thisArg);
  	    } else {
  	      a[key] = val;
  	    }
  	  });
  	  return a;
  	}
  	
  	module.exports = {
  	  isArray: isArray,
  	  isArrayBuffer: isArrayBuffer,
  	  isBuffer: isBuffer,
  	  isFormData: isFormData,
  	  isArrayBufferView: isArrayBufferView,
  	  isString: isString,
  	  isNumber: isNumber,
  	  isObject: isObject,
  	  isUndefined: isUndefined,
  	  isDate: isDate,
  	  isFile: isFile,
  	  isBlob: isBlob,
  	  isFunction: isFunction,
  	  isStream: isStream,
  	  isURLSearchParams: isURLSearchParams,
  	  isStandardBrowserEnv: isStandardBrowserEnv,
  	  forEach: forEach,
  	  merge: merge,
  	  deepMerge: deepMerge,
  	  extend: extend,
  	  trim: trim
  	};
  
  
  /***/ }),
  /* 3 */
  /***/ (function(module, exports) {
  
  	'use strict';
  	
  	module.exports = function bind(fn, thisArg) {
  	  return function wrap() {
  	    var args = new Array(arguments.length);
  	    for (var i = 0; i < args.length; i++) {
  	      args[i] = arguments[i];
  	    }
  	    return fn.apply(thisArg, args);
  	  };
  	};
  
  
  /***/ }),
  /* 4 */
  /***/ (function(module, exports) {
  
  	/*!
  	 * Determine if an object is a Buffer
  	 *
  	 * @author   Feross Aboukhadijeh <https://feross.org>
  	 * @license  MIT
  	 */
  	
  	module.exports = function isBuffer (obj) {
  	  return obj != null && obj.constructor != null &&
  	    typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
  	}
  
  
  /***/ }),
  /* 5 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	var buildURL = __webpack_require__(6);
  	var InterceptorManager = __webpack_require__(7);
  	var dispatchRequest = __webpack_require__(8);
  	var mergeConfig = __webpack_require__(22);
  	
  	/**
  	 * Create a new instance of Axios
  	 *
  	 * @param {Object} instanceConfig The default config for the instance
  	 */
  	function Axios(instanceConfig) {
  	  this.defaults = instanceConfig;
  	  this.interceptors = {
  	    request: new InterceptorManager(),
  	    response: new InterceptorManager()
  	  };
  	}
  	
  	/**
  	 * Dispatch a request
  	 *
  	 * @param {Object} config The config specific for this request (merged with this.defaults)
  	 */
  	Axios.prototype.request = function request(config) {
  	  /*eslint no-param-reassign:0*/
  	  // Allow for axios('example/url'[, config]) a la fetch API
  	  if (typeof config === 'string') {
  	    config = arguments[1] || {};
  	    config.url = arguments[0];
  	  } else {
  	    config = config || {};
  	  }
  	
  	  config = mergeConfig(this.defaults, config);
  	  config.method = config.method ? config.method.toLowerCase() : 'get';
  	
  	  // Hook up interceptors middleware
  	  var chain = [dispatchRequest, undefined];
  	  var promise = Promise.resolve(config);
  	
  	  this.interceptors.request.forEach(function unshiftRequestInterceptors(interceptor) {
  	    chain.unshift(interceptor.fulfilled, interceptor.rejected);
  	  });
  	
  	  this.interceptors.response.forEach(function pushResponseInterceptors(interceptor) {
  	    chain.push(interceptor.fulfilled, interceptor.rejected);
  	  });
  	
  	  while (chain.length) {
  	    promise = promise.then(chain.shift(), chain.shift());
  	  }
  	
  	  return promise;
  	};
  	
  	Axios.prototype.getUri = function getUri(config) {
  	  config = mergeConfig(this.defaults, config);
  	  return buildURL(config.url, config.params, config.paramsSerializer).replace(/^\?/, '');
  	};
  	
  	// Provide aliases for supported request methods
  	utils.forEach(['delete', 'get', 'head', 'options'], function forEachMethodNoData(method) {
  	  /*eslint func-names:0*/
  	  Axios.prototype[method] = function(url, config) {
  	    return this.request(utils.merge(config || {}, {
  	      method: method,
  	      url: url
  	    }));
  	  };
  	});
  	
  	utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
  	  /*eslint func-names:0*/
  	  Axios.prototype[method] = function(url, data, config) {
  	    return this.request(utils.merge(config || {}, {
  	      method: method,
  	      url: url,
  	      data: data
  	    }));
  	  };
  	});
  	
  	module.exports = Axios;
  
  
  /***/ }),
  /* 6 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	
  	function encode(val) {
  	  return encodeURIComponent(val).
  	    replace(/%40/gi, '@').
  	    replace(/%3A/gi, ':').
  	    replace(/%24/g, '$').
  	    replace(/%2C/gi, ',').
  	    replace(/%20/g, '+').
  	    replace(/%5B/gi, '[').
  	    replace(/%5D/gi, ']');
  	}
  	
  	/**
  	 * Build a URL by appending params to the end
  	 *
  	 * @param {string} url The base of the url (e.g., http://www.google.com)
  	 * @param {object} [params] The params to be appended
  	 * @returns {string} The formatted url
  	 */
  	module.exports = function buildURL(url, params, paramsSerializer) {
  	  /*eslint no-param-reassign:0*/
  	  if (!params) {
  	    return url;
  	  }
  	
  	  var serializedParams;
  	  if (paramsSerializer) {
  	    serializedParams = paramsSerializer(params);
  	  } else if (utils.isURLSearchParams(params)) {
  	    serializedParams = params.toString();
  	  } else {
  	    var parts = [];
  	
  	    utils.forEach(params, function serialize(val, key) {
  	      if (val === null || typeof val === 'undefined') {
  	        return;
  	      }
  	
  	      if (utils.isArray(val)) {
  	        key = key + '[]';
  	      } else {
  	        val = [val];
  	      }
  	
  	      utils.forEach(val, function parseValue(v) {
  	        if (utils.isDate(v)) {
  	          v = v.toISOString();
  	        } else if (utils.isObject(v)) {
  	          v = JSON.stringify(v);
  	        }
  	        parts.push(encode(key) + '=' + encode(v));
  	      });
  	    });
  	
  	    serializedParams = parts.join('&');
  	  }
  	
  	  if (serializedParams) {
  	    var hashmarkIndex = url.indexOf('#');
  	    if (hashmarkIndex !== -1) {
  	      url = url.slice(0, hashmarkIndex);
  	    }
  	
  	    url += (url.indexOf('?') === -1 ? '?' : '&') + serializedParams;
  	  }
  	
  	  return url;
  	};
  
  
  /***/ }),
  /* 7 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	
  	function InterceptorManager() {
  	  this.handlers = [];
  	}
  	
  	/**
  	 * Add a new interceptor to the stack
  	 *
  	 * @param {Function} fulfilled The function to handle `then` for a `Promise`
  	 * @param {Function} rejected The function to handle `reject` for a `Promise`
  	 *
  	 * @return {Number} An ID used to remove interceptor later
  	 */
  	InterceptorManager.prototype.use = function use(fulfilled, rejected) {
  	  this.handlers.push({
  	    fulfilled: fulfilled,
  	    rejected: rejected
  	  });
  	  return this.handlers.length - 1;
  	};
  	
  	/**
  	 * Remove an interceptor from the stack
  	 *
  	 * @param {Number} id The ID that was returned by `use`
  	 */
  	InterceptorManager.prototype.eject = function eject(id) {
  	  if (this.handlers[id]) {
  	    this.handlers[id] = null;
  	  }
  	};
  	
  	/**
  	 * Iterate over all the registered interceptors
  	 *
  	 * This method is particularly useful for skipping over any
  	 * interceptors that may have become `null` calling `eject`.
  	 *
  	 * @param {Function} fn The function to call for each interceptor
  	 */
  	InterceptorManager.prototype.forEach = function forEach(fn) {
  	  utils.forEach(this.handlers, function forEachHandler(h) {
  	    if (h !== null) {
  	      fn(h);
  	    }
  	  });
  	};
  	
  	module.exports = InterceptorManager;
  
  
  /***/ }),
  /* 8 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	var transformData = __webpack_require__(9);
  	var isCancel = __webpack_require__(10);
  	var defaults = __webpack_require__(11);
  	var isAbsoluteURL = __webpack_require__(20);
  	var combineURLs = __webpack_require__(21);
  	
  	/**
  	 * Throws a `Cancel` if cancellation has been requested.
  	 */
  	function throwIfCancellationRequested(config) {
  	  if (config.cancelToken) {
  	    config.cancelToken.throwIfRequested();
  	  }
  	}
  	
  	/**
  	 * Dispatch a request to the server using the configured adapter.
  	 *
  	 * @param {object} config The config that is to be used for the request
  	 * @returns {Promise} The Promise to be fulfilled
  	 */
  	module.exports = function dispatchRequest(config) {
  	  throwIfCancellationRequested(config);
  	
  	  // Support baseURL config
  	  if (config.baseURL && !isAbsoluteURL(config.url)) {
  	    config.url = combineURLs(config.baseURL, config.url);
  	  }
  	
  	  // Ensure headers exist
  	  config.headers = config.headers || {};
  	
  	  // Transform request data
  	  config.data = transformData(
  	    config.data,
  	    config.headers,
  	    config.transformRequest
  	  );
  	
  	  // Flatten headers
  	  config.headers = utils.merge(
  	    config.headers.common || {},
  	    config.headers[config.method] || {},
  	    config.headers || {}
  	  );
  	
  	  utils.forEach(
  	    ['delete', 'get', 'head', 'post', 'put', 'patch', 'common'],
  	    function cleanHeaderConfig(method) {
  	      delete config.headers[method];
  	    }
  	  );
  	
  	  var adapter = config.adapter || defaults.adapter;
  	
  	  return adapter(config).then(function onAdapterResolution(response) {
  	    throwIfCancellationRequested(config);
  	
  	    // Transform response data
  	    response.data = transformData(
  	      response.data,
  	      response.headers,
  	      config.transformResponse
  	    );
  	
  	    return response;
  	  }, function onAdapterRejection(reason) {
  	    if (!isCancel(reason)) {
  	      throwIfCancellationRequested(config);
  	
  	      // Transform response data
  	      if (reason && reason.response) {
  	        reason.response.data = transformData(
  	          reason.response.data,
  	          reason.response.headers,
  	          config.transformResponse
  	        );
  	      }
  	    }
  	
  	    return Promise.reject(reason);
  	  });
  	};
  
  
  /***/ }),
  /* 9 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	
  	/**
  	 * Transform the data for a request or a response
  	 *
  	 * @param {Object|String} data The data to be transformed
  	 * @param {Array} headers The headers for the request or response
  	 * @param {Array|Function} fns A single function or Array of functions
  	 * @returns {*} The resulting transformed data
  	 */
  	module.exports = function transformData(data, headers, fns) {
  	  /*eslint no-param-reassign:0*/
  	  utils.forEach(fns, function transform(fn) {
  	    data = fn(data, headers);
  	  });
  	
  	  return data;
  	};
  
  
  /***/ }),
  /* 10 */
  /***/ (function(module, exports) {
  
  	'use strict';
  	
  	module.exports = function isCancel(value) {
  	  return !!(value && value.__CANCEL__);
  	};
  
  
  /***/ }),
  /* 11 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	var normalizeHeaderName = __webpack_require__(12);
  	
  	var DEFAULT_CONTENT_TYPE = {
  	  'Content-Type': 'application/x-www-form-urlencoded'
  	};
  	
  	function setContentTypeIfUnset(headers, value) {
  	  if (!utils.isUndefined(headers) && utils.isUndefined(headers['Content-Type'])) {
  	    headers['Content-Type'] = value;
  	  }
  	}
  	
  	function getDefaultAdapter() {
  	  var adapter;
  	  // Only Node.JS has a process variable that is of [[Class]] process
  	  if (typeof process !== 'undefined' && Object.prototype.toString.call(process) === '[object process]') {
  	    // For node use HTTP adapter
  	    adapter = __webpack_require__(13);
  	  } else if (typeof XMLHttpRequest !== 'undefined') {
  	    // For browsers use XHR adapter
  	    adapter = __webpack_require__(13);
  	  }
  	  return adapter;
  	}
  	
  	var defaults = {
  	  adapter: getDefaultAdapter(),
  	
  	  transformRequest: [function transformRequest(data, headers) {
  	    normalizeHeaderName(headers, 'Accept');
  	    normalizeHeaderName(headers, 'Content-Type');
  	    if (utils.isFormData(data) ||
  	      utils.isArrayBuffer(data) ||
  	      utils.isBuffer(data) ||
  	      utils.isStream(data) ||
  	      utils.isFile(data) ||
  	      utils.isBlob(data)
  	    ) {
  	      return data;
  	    }
  	    if (utils.isArrayBufferView(data)) {
  	      return data.buffer;
  	    }
  	    if (utils.isURLSearchParams(data)) {
  	      setContentTypeIfUnset(headers, 'application/x-www-form-urlencoded;charset=utf-8');
  	      return data.toString();
  	    }
  	    if (utils.isObject(data)) {
  	      setContentTypeIfUnset(headers, 'application/json;charset=utf-8');
  	      return JSON.stringify(data);
  	    }
  	    return data;
  	  }],
  	
  	  transformResponse: [function transformResponse(data) {
  	    /*eslint no-param-reassign:0*/
  	    if (typeof data === 'string') {
  	      try {
  	        data = JSON.parse(data);
  	      } catch (e) { /* Ignore */ }
  	    }
  	    return data;
  	  }],
  	
  	  /**
  	   * A timeout in milliseconds to abort a request. If set to 0 (default) a
  	   * timeout is not created.
  	   */
  	  timeout: 0,
  	
  	  xsrfCookieName: 'XSRF-TOKEN',
  	  xsrfHeaderName: 'X-XSRF-TOKEN',
  	
  	  maxContentLength: -1,
  	
  	  validateStatus: function validateStatus(status) {
  	    return status >= 200 && status < 300;
  	  }
  	};
  	
  	defaults.headers = {
  	  common: {
  	    'Accept': 'application/json, text/plain, */*'
  	  }
  	};
  	
  	utils.forEach(['delete', 'get', 'head'], function forEachMethodNoData(method) {
  	  defaults.headers[method] = {};
  	});
  	
  	utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
  	  defaults.headers[method] = utils.merge(DEFAULT_CONTENT_TYPE);
  	});
  	
  	module.exports = defaults;
  
  
  /***/ }),
  /* 12 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	
  	module.exports = function normalizeHeaderName(headers, normalizedName) {
  	  utils.forEach(headers, function processHeader(value, name) {
  	    if (name !== normalizedName && name.toUpperCase() === normalizedName.toUpperCase()) {
  	      headers[normalizedName] = value;
  	      delete headers[name];
  	    }
  	  });
  	};
  
  
  /***/ }),
  /* 13 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	var settle = __webpack_require__(14);
  	var buildURL = __webpack_require__(6);
  	var parseHeaders = __webpack_require__(17);
  	var isURLSameOrigin = __webpack_require__(18);
  	var createError = __webpack_require__(15);
  	
  	module.exports = function xhrAdapter(config) {
  	  return new Promise(function dispatchXhrRequest(resolve, reject) {
  	    var requestData = config.data;
  	    var requestHeaders = config.headers;
  	
  	    if (utils.isFormData(requestData)) {
  	      delete requestHeaders['Content-Type']; // Let the browser set it
  	    }
  	
  	    var request = new XMLHttpRequest();
  	
  	    // HTTP basic authentication
  	    if (config.auth) {
  	      var username = config.auth.username || '';
  	      var password = config.auth.password || '';
  	      requestHeaders.Authorization = 'Basic ' + btoa(username + ':' + password);
  	    }
  	
  	    request.open(config.method.toUpperCase(), buildURL(config.url, config.params, config.paramsSerializer), true);
  	
  	    // Set the request timeout in MS
  	    request.timeout = config.timeout;
  	
  	    // Listen for ready state
  	    request.onreadystatechange = function handleLoad() {
  	      if (!request || request.readyState !== 4) {
  	        return;
  	      }
  	
  	      // The request errored out and we didn't get a response, this will be
  	      // handled by onerror instead
  	      // With one exception: request that using file: protocol, most browsers
  	      // will return status as 0 even though it's a successful request
  	      if (request.status === 0 && !(request.responseURL && request.responseURL.indexOf('file:') === 0)) {
  	        return;
  	      }
  	
  	      // Prepare the response
  	      var responseHeaders = 'getAllResponseHeaders' in request ? parseHeaders(request.getAllResponseHeaders()) : null;
  	      var responseData = !config.responseType || config.responseType === 'text' ? request.responseText : request.response;
  	      var response = {
  	        data: responseData,
  	        status: request.status,
  	        statusText: request.statusText,
  	        headers: responseHeaders,
  	        config: config,
  	        request: request
  	      };
  	
  	      settle(resolve, reject, response);
  	
  	      // Clean up request
  	      request = null;
  	    };
  	
  	    // Handle browser request cancellation (as opposed to a manual cancellation)
  	    request.onabort = function handleAbort() {
  	      if (!request) {
  	        return;
  	      }
  	
  	      reject(createError('Request aborted', config, 'ECONNABORTED', request));
  	
  	      // Clean up request
  	      request = null;
  	    };
  	
  	    // Handle low level network errors
  	    request.onerror = function handleError() {
  	      // Real errors are hidden from us by the browser
  	      // onerror should only fire if it's a network error
  	      reject(createError('Network Error', config, null, request));
  	
  	      // Clean up request
  	      request = null;
  	    };
  	
  	    // Handle timeout
  	    request.ontimeout = function handleTimeout() {
  	      reject(createError('timeout of ' + config.timeout + 'ms exceeded', config, 'ECONNABORTED',
  	        request));
  	
  	      // Clean up request
  	      request = null;
  	    };
  	
  	    // Add xsrf header
  	    // This is only done if running in a standard browser environment.
  	    // Specifically not if we're in a web worker, or react-native.
  	    if (utils.isStandardBrowserEnv()) {
  	      var cookies = __webpack_require__(19);
  	
  	      // Add xsrf header
  	      var xsrfValue = (config.withCredentials || isURLSameOrigin(config.url)) && config.xsrfCookieName ?
  	        cookies.read(config.xsrfCookieName) :
  	        undefined;
  	
  	      if (xsrfValue) {
  	        requestHeaders[config.xsrfHeaderName] = xsrfValue;
  	      }
  	    }
  	
  	    // Add headers to the request
  	    if ('setRequestHeader' in request) {
  	      utils.forEach(requestHeaders, function setRequestHeader(val, key) {
  	        if (typeof requestData === 'undefined' && key.toLowerCase() === 'content-type') {
  	          // Remove Content-Type if data is undefined
  	          delete requestHeaders[key];
  	        } else {
  	          // Otherwise add header to the request
  	          request.setRequestHeader(key, val);
  	        }
  	      });
  	    }
  	
  	    // Add withCredentials to request if needed
  	    if (config.withCredentials) {
  	      request.withCredentials = true;
  	    }
  	
  	    // Add responseType to request if needed
  	    if (config.responseType) {
  	      try {
  	        request.responseType = config.responseType;
  	      } catch (e) {
  	        // Expected DOMException thrown by browsers not compatible XMLHttpRequest Level 2.
  	        // But, this can be suppressed for 'json' type as it can be parsed by default 'transformResponse' function.
  	        if (config.responseType !== 'json') {
  	          throw e;
  	        }
  	      }
  	    }
  	
  	    // Handle progress if needed
  	    if (typeof config.onDownloadProgress === 'function') {
  	      request.addEventListener('progress', config.onDownloadProgress);
  	    }
  	
  	    // Not all browsers support upload events
  	    if (typeof config.onUploadProgress === 'function' && request.upload) {
  	      request.upload.addEventListener('progress', config.onUploadProgress);
  	    }
  	
  	    if (config.cancelToken) {
  	      // Handle cancellation
  	      config.cancelToken.promise.then(function onCanceled(cancel) {
  	        if (!request) {
  	          return;
  	        }
  	
  	        request.abort();
  	        reject(cancel);
  	        // Clean up request
  	        request = null;
  	      });
  	    }
  	
  	    if (requestData === undefined) {
  	      requestData = null;
  	    }
  	
  	    // Send the request
  	    request.send(requestData);
  	  });
  	};
  
  
  /***/ }),
  /* 14 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var createError = __webpack_require__(15);
  	
  	/**
  	 * Resolve or reject a Promise based on response status.
  	 *
  	 * @param {Function} resolve A function that resolves the promise.
  	 * @param {Function} reject A function that rejects the promise.
  	 * @param {object} response The response.
  	 */
  	module.exports = function settle(resolve, reject, response) {
  	  var validateStatus = response.config.validateStatus;
  	  if (!validateStatus || validateStatus(response.status)) {
  	    resolve(response);
  	  } else {
  	    reject(createError(
  	      'Request failed with status code ' + response.status,
  	      response.config,
  	      null,
  	      response.request,
  	      response
  	    ));
  	  }
  	};
  
  
  /***/ }),
  /* 15 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var enhanceError = __webpack_require__(16);
  	
  	/**
  	 * Create an Error with the specified message, config, error code, request and response.
  	 *
  	 * @param {string} message The error message.
  	 * @param {Object} config The config.
  	 * @param {string} [code] The error code (for example, 'ECONNABORTED').
  	 * @param {Object} [request] The request.
  	 * @param {Object} [response] The response.
  	 * @returns {Error} The created error.
  	 */
  	module.exports = function createError(message, config, code, request, response) {
  	  var error = new Error(message);
  	  return enhanceError(error, config, code, request, response);
  	};
  
  
  /***/ }),
  /* 16 */
  /***/ (function(module, exports) {
  
  	'use strict';
  	
  	/**
  	 * Update an Error with the specified config, error code, and response.
  	 *
  	 * @param {Error} error The error to update.
  	 * @param {Object} config The config.
  	 * @param {string} [code] The error code (for example, 'ECONNABORTED').
  	 * @param {Object} [request] The request.
  	 * @param {Object} [response] The response.
  	 * @returns {Error} The error.
  	 */
  	module.exports = function enhanceError(error, config, code, request, response) {
  	  error.config = config;
  	  if (code) {
  	    error.code = code;
  	  }
  	
  	  error.request = request;
  	  error.response = response;
  	  error.isAxiosError = true;
  	
  	  error.toJSON = function() {
  	    return {
  	      // Standard
  	      message: this.message,
  	      name: this.name,
  	      // Microsoft
  	      description: this.description,
  	      number: this.number,
  	      // Mozilla
  	      fileName: this.fileName,
  	      lineNumber: this.lineNumber,
  	      columnNumber: this.columnNumber,
  	      stack: this.stack,
  	      // Axios
  	      config: this.config,
  	      code: this.code
  	    };
  	  };
  	  return error;
  	};
  
  
  /***/ }),
  /* 17 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	
  	// Headers whose duplicates are ignored by node
  	// c.f. https://nodejs.org/api/http.html#http_message_headers
  	var ignoreDuplicateOf = [
  	  'age', 'authorization', 'content-length', 'content-type', 'etag',
  	  'expires', 'from', 'host', 'if-modified-since', 'if-unmodified-since',
  	  'last-modified', 'location', 'max-forwards', 'proxy-authorization',
  	  'referer', 'retry-after', 'user-agent'
  	];
  	
  	/**
  	 * Parse headers into an object
  	 *
  	 * ```
  	 * Date: Wed, 27 Aug 2014 08:58:49 GMT
  	 * Content-Type: application/json
  	 * Connection: keep-alive
  	 * Transfer-Encoding: chunked
  	 * ```
  	 *
  	 * @param {String} headers Headers needing to be parsed
  	 * @returns {Object} Headers parsed into an object
  	 */
  	module.exports = function parseHeaders(headers) {
  	  var parsed = {};
  	  var key;
  	  var val;
  	  var i;
  	
  	  if (!headers) { return parsed; }
  	
  	  utils.forEach(headers.split('\n'), function parser(line) {
  	    i = line.indexOf(':');
  	    key = utils.trim(line.substr(0, i)).toLowerCase();
  	    val = utils.trim(line.substr(i + 1));
  	
  	    if (key) {
  	      if (parsed[key] && ignoreDuplicateOf.indexOf(key) >= 0) {
  	        return;
  	      }
  	      if (key === 'set-cookie') {
  	        parsed[key] = (parsed[key] ? parsed[key] : []).concat([val]);
  	      } else {
  	        parsed[key] = parsed[key] ? parsed[key] + ', ' + val : val;
  	      }
  	    }
  	  });
  	
  	  return parsed;
  	};
  
  
  /***/ }),
  /* 18 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	
  	module.exports = (
  	  utils.isStandardBrowserEnv() ?
  	
  	  // Standard browser envs have full support of the APIs needed to test
  	  // whether the request URL is of the same origin as current location.
  	    (function standardBrowserEnv() {
  	      var msie = /(msie|trident)/i.test(navigator.userAgent);
  	      var urlParsingNode = document.createElement('a');
  	      var originURL;
  	
  	      /**
  	    * Parse a URL to discover it's components
  	    *
  	    * @param {String} url The URL to be parsed
  	    * @returns {Object}
  	    */
  	      function resolveURL(url) {
  	        var href = url;
  	
  	        if (msie) {
  	        // IE needs attribute set twice to normalize properties
  	          urlParsingNode.setAttribute('href', href);
  	          href = urlParsingNode.href;
  	        }
  	
  	        urlParsingNode.setAttribute('href', href);
  	
  	        // urlParsingNode provides the UrlUtils interface - http://url.spec.whatwg.org/#urlutils
  	        return {
  	          href: urlParsingNode.href,
  	          protocol: urlParsingNode.protocol ? urlParsingNode.protocol.replace(/:$/, '') : '',
  	          host: urlParsingNode.host,
  	          search: urlParsingNode.search ? urlParsingNode.search.replace(/^\?/, '') : '',
  	          hash: urlParsingNode.hash ? urlParsingNode.hash.replace(/^#/, '') : '',
  	          hostname: urlParsingNode.hostname,
  	          port: urlParsingNode.port,
  	          pathname: (urlParsingNode.pathname.charAt(0) === '/') ?
  	            urlParsingNode.pathname :
  	            '/' + urlParsingNode.pathname
  	        };
  	      }
  	
  	      originURL = resolveURL(window.location.href);
  	
  	      /**
  	    * Determine if a URL shares the same origin as the current location
  	    *
  	    * @param {String} requestURL The URL to test
  	    * @returns {boolean} True if URL shares the same origin, otherwise false
  	    */
  	      return function isURLSameOrigin(requestURL) {
  	        var parsed = (utils.isString(requestURL)) ? resolveURL(requestURL) : requestURL;
  	        return (parsed.protocol === originURL.protocol &&
  	            parsed.host === originURL.host);
  	      };
  	    })() :
  	
  	  // Non standard browser envs (web workers, react-native) lack needed support.
  	    (function nonStandardBrowserEnv() {
  	      return function isURLSameOrigin() {
  	        return true;
  	      };
  	    })()
  	);
  
  
  /***/ }),
  /* 19 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	
  	module.exports = (
  	  utils.isStandardBrowserEnv() ?
  	
  	  // Standard browser envs support document.cookie
  	    (function standardBrowserEnv() {
  	      return {
  	        write: function write(name, value, expires, path, domain, secure) {
  	          var cookie = [];
  	          cookie.push(name + '=' + encodeURIComponent(value));
  	
  	          if (utils.isNumber(expires)) {
  	            cookie.push('expires=' + new Date(expires).toGMTString());
  	          }
  	
  	          if (utils.isString(path)) {
  	            cookie.push('path=' + path);
  	          }
  	
  	          if (utils.isString(domain)) {
  	            cookie.push('domain=' + domain);
  	          }
  	
  	          if (secure === true) {
  	            cookie.push('secure');
  	          }
  	
  	          document.cookie = cookie.join('; ');
  	        },
  	
  	        read: function read(name) {
  	          var match = document.cookie.match(new RegExp('(^|;\\s*)(' + name + ')=([^;]*)'));
  	          return (match ? decodeURIComponent(match[3]) : null);
  	        },
  	
  	        remove: function remove(name) {
  	          this.write(name, '', Date.now() - 86400000);
  	        }
  	      };
  	    })() :
  	
  	  // Non standard browser env (web workers, react-native) lack needed support.
  	    (function nonStandardBrowserEnv() {
  	      return {
  	        write: function write() {},
  	        read: function read() { return null; },
  	        remove: function remove() {}
  	      };
  	    })()
  	);
  
  
  /***/ }),
  /* 20 */
  /***/ (function(module, exports) {
  
  	'use strict';
  	
  	/**
  	 * Determines whether the specified URL is absolute
  	 *
  	 * @param {string} url The URL to test
  	 * @returns {boolean} True if the specified URL is absolute, otherwise false
  	 */
  	module.exports = function isAbsoluteURL(url) {
  	  // A URL is considered absolute if it begins with "<scheme>://" or "//" (protocol-relative URL).
  	  // RFC 3986 defines scheme name as a sequence of characters beginning with a letter and followed
  	  // by any combination of letters, digits, plus, period, or hyphen.
  	  return /^([a-z][a-z\d\+\-\.]*:)?\/\//i.test(url);
  	};
  
  
  /***/ }),
  /* 21 */
  /***/ (function(module, exports) {
  
  	'use strict';
  	
  	/**
  	 * Creates a new URL by combining the specified URLs
  	 *
  	 * @param {string} baseURL The base URL
  	 * @param {string} relativeURL The relative URL
  	 * @returns {string} The combined URL
  	 */
  	module.exports = function combineURLs(baseURL, relativeURL) {
  	  return relativeURL
  	    ? baseURL.replace(/\/+$/, '') + '/' + relativeURL.replace(/^\/+/, '')
  	    : baseURL;
  	};
  
  
  /***/ }),
  /* 22 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	
  	/**
  	 * Config-specific merge-function which creates a new config-object
  	 * by merging two configuration objects together.
  	 *
  	 * @param {Object} config1
  	 * @param {Object} config2
  	 * @returns {Object} New object resulting from merging config2 to config1
  	 */
  	module.exports = function mergeConfig(config1, config2) {
  	  // eslint-disable-next-line no-param-reassign
  	  config2 = config2 || {};
  	  var config = {};
  	
  	  utils.forEach(['url', 'method', 'params', 'data'], function valueFromConfig2(prop) {
  	    if (typeof config2[prop] !== 'undefined') {
  	      config[prop] = config2[prop];
  	    }
  	  });
  	
  	  utils.forEach(['headers', 'auth', 'proxy'], function mergeDeepProperties(prop) {
  	    if (utils.isObject(config2[prop])) {
  	      config[prop] = utils.deepMerge(config1[prop], config2[prop]);
  	    } else if (typeof config2[prop] !== 'undefined') {
  	      config[prop] = config2[prop];
  	    } else if (utils.isObject(config1[prop])) {
  	      config[prop] = utils.deepMerge(config1[prop]);
  	    } else if (typeof config1[prop] !== 'undefined') {
  	      config[prop] = config1[prop];
  	    }
  	  });
  	
  	  utils.forEach([
  	    'baseURL', 'transformRequest', 'transformResponse', 'paramsSerializer',
  	    'timeout', 'withCredentials', 'adapter', 'responseType', 'xsrfCookieName',
  	    'xsrfHeaderName', 'onUploadProgress', 'onDownloadProgress', 'maxContentLength',
  	    'validateStatus', 'maxRedirects', 'httpAgent', 'httpsAgent', 'cancelToken',
  	    'socketPath'
  	  ], function defaultToConfig2(prop) {
  	    if (typeof config2[prop] !== 'undefined') {
  	      config[prop] = config2[prop];
  	    } else if (typeof config1[prop] !== 'undefined') {
  	      config[prop] = config1[prop];
  	    }
  	  });
  	
  	  return config;
  	};
  
  
  /***/ }),
  /* 23 */
  /***/ (function(module, exports) {
  
  	'use strict';
  	
  	/**
  	 * A `Cancel` is an object that is thrown when an operation is canceled.
  	 *
  	 * @class
  	 * @param {string=} message The message.
  	 */
  	function Cancel(message) {
  	  this.message = message;
  	}
  	
  	Cancel.prototype.toString = function toString() {
  	  return 'Cancel' + (this.message ? ': ' + this.message : '');
  	};
  	
  	Cancel.prototype.__CANCEL__ = true;
  	
  	module.exports = Cancel;
  
  
  /***/ }),
  /* 24 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var Cancel = __webpack_require__(23);
  	
  	/**
  	 * A `CancelToken` is an object that can be used to request cancellation of an operation.
  	 *
  	 * @class
  	 * @param {Function} executor The executor function.
  	 */
  	function CancelToken(executor) {
  	  if (typeof executor !== 'function') {
  	    throw new TypeError('executor must be a function.');
  	  }
  	
  	  var resolvePromise;
  	  this.promise = new Promise(function promiseExecutor(resolve) {
  	    resolvePromise = resolve;
  	  });
  	
  	  var token = this;
  	  executor(function cancel(message) {
  	    if (token.reason) {
  	      // Cancellation has already been requested
  	      return;
  	    }
  	
  	    token.reason = new Cancel(message);
  	    resolvePromise(token.reason);
  	  });
  	}
  	
  	/**
  	 * Throws a `Cancel` if cancellation has been requested.
  	 */
  	CancelToken.prototype.throwIfRequested = function throwIfRequested() {
  	  if (this.reason) {
  	    throw this.reason;
  	  }
  	};
  	
  	/**
  	 * Returns an object that contains a new `CancelToken` and a function that, when called,
  	 * cancels the `CancelToken`.
  	 */
  	CancelToken.source = function source() {
  	  var cancel;
  	  var token = new CancelToken(function executor(c) {
  	    cancel = c;
  	  });
  	  return {
  	    token: token,
  	    cancel: cancel
  	  };
  	};
  	
  	module.exports = CancelToken;
  
  
  /***/ }),
  /* 25 */
  /***/ (function(module, exports) {
  
  	'use strict';
  	
  	/**
  	 * Syntactic sugar for invoking a function and expanding an array for arguments.
  	 *
  	 * Common use case would be to use `Function.prototype.apply`.
  	 *
  	 *  ```js
  	 *  function f(x, y, z) {}
  	 *  var args = [1, 2, 3];
  	 *  f.apply(null, args);
  	 *  ```
  	 *
  	 * With `spread` this example can be re-written.
  	 *
  	 *  ```js
  	 *  spread(function(x, y, z) {})([1, 2, 3]);
  	 *  ```
  	 *
  	 * @param {Function} callback
  	 * @returns {Function}
  	 */
  	module.exports = function spread(callback) {
  	  return function wrap(arr) {
  	    return callback.apply(null, arr);
  	  };
  	};
  
  
  /***/ })
  /******/ ])
  });
  ;
  //# sourceMappingURL=axios.map
  //var urlUsers = 'https://randomuser.me/api/?results=10';
   
  		new Vue({
  			el: '#crud',
  
  			created:function(){
  				this.getkeeps();
  			},
  			data:{
  				keeps:[],
  				newKeep:'',
  				errors:[],
  			},
  			methods:{
  				getkeeps:function(){
  					var urlKeeps='tasks';
  					axios.get(urlKeeps).then(response=>{
  						this.keeps=response.data
  					});
  				},
  				deleteKeep:function(keep){
  					/*alert(keep.id);*/ 
  
  					var url= 'tasks/'+keep.id;
  					axios.delete(url).then(response=>{
  						this.getkeeps();
  						toastr.success('Eliminado correctamente');
  					});
  				},
  
  				createKeep:function(){
  					var url= 'tasks';
  			 
  					axios.post(url,{
  						 keep:this.newKeep
  					}).then(response=>{
  						 	 this.getkeeps();
  						 	this.newKeep='';
  						 	this.errors=[];
  						 	$('#create').modal('hide') ;
  						toastr.success(' nueva tarea creado correctamente');   
  					}).catch(error => { 
  						/*this.errors = error.response.data */
  						this.errors='Corrija los datos para crear con exito';
  				   });  
   
   /*
  						var url = 'tasks';
  			axios.post(url, {
  				keep: this.newKeep
  			}).then(response => {
  				this.getKeeps();
  				this.newKeep = '';
  				this.errors = [];
  				$('#create').modal('hide');
  				toastr.success('Nueva tarea creada con éxito');
  			}).catch(error => {
  				this.errors = 'Corrija para poder crear con éxito'
  			});
  
  			*/
  				}
  
  			}
  		
  		});