text: /*!
   * jQuery JavaScript Library v3.3.1
   * 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: 2018-01-20T17:24Z
   */
  ( 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,
  		noModule: true
  	};
  
  	function DOMEval( code, doc, node ) {
  		doc = doc || document;
  
  		var i,
  			script = doc.createElement( "script" );
  
  		script.text = code;
  		if ( node ) {
  			for ( i in preservedScriptAttributes ) {
  				if ( node[ i ] ) {
  					script[ i ] = node[ i ];
  				}
  			}
  		}
  		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 = "3.3.1",
  
  	// 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 ) {
  				src = target[ name ];
  				copy = options[ name ];
  
  				// Prevent never-ending loop
  				if ( target === copy ) {
  					continue;
  				}
  
  				// Recurse if we're merging plain objects or arrays
  				if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
  					( copyIsArray = Array.isArray( copy ) ) ) ) {
  
  					if ( copyIsArray ) {
  						copyIsArray = false;
  						clone = src && Array.isArray( src ) ? src : [];
  
  					} else {
  						clone = src && jQuery.isPlainObject( src ) ? src : {};
  					}
  
  					// 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 ) {
  
  		/* eslint-disable no-unused-vars */
  		// See https://github.com/eslint/eslint/issues/6125
  		var name;
  
  		for ( name in obj ) {
  			return false;
  		}
  		return true;
  	},
  
  	// Evaluates a script in a global context
  	globalEval: function( code ) {
  		DOMEval( code );
  	},
  
  	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 v2.3.3
   * https://sizzlejs.com/
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license
   * http://jquery.org/license
   *
   * Date: 2016-08-08
   */
  (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(),
  	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 + "*" ),
  
  	rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
  
  	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" )
  	},
  
  	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();
  	},
  
  	disabledAncestor = addCombinator(
  		function( elem ) {
  			return elem.disabled === true && ("form" in elem || "label" in elem);
  		},
  		{ 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 &&
  				!compilerCache[ selector + " " ] &&
  				(!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
  
  				if ( nodeType !== 1 ) {
  					newContext = context;
  					newSelector = selector;
  
  				// qSA looks outside Element context, which is not what we want
  				// Thanks to Andrew Dupont for this workaround technique
  				// Support: IE <=8
  				// Exclude object elements
  				} else if ( context.nodeName.toLowerCase() !== "object" ) {
  
  					// 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;
  				}
  
  				if ( newSelector ) {
  					try {
  						push.apply( results,
  							newContext.querySelectorAll( newSelector )
  						);
  						return results;
  					} catch ( qsaError ) {
  					} 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 &&
  						disabledAncestor( 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 ) {
  	// documentElement is verified for cases where it doesn't yet exist
  	// (such as loading iframes in IE - #4833)
  	var documentElement = elem && (elem.ownerDocument || elem).documentElement;
  	return documentElement ? documentElement.nodeName !== "HTML" : false;
  };
  
  /**
   * 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 );
  	}
  
  	// Make sure that attribute selectors are quoted
  	expr = expr.replace( rattributeQuotes, "='$1']" );
  
  	if ( support.matchesSelector && documentIsHTML &&
  		!compilerCache[ 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) {}
  	}
  
  	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 || elem.innerText || 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;
  			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 ( nodeName( elem, "iframe" ) ) {
              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 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.
  			jQuery.contains( elem.ownerDocument, 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 = ( 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, contains, 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;
  		}
  
  		contains = jQuery.contains( elem.ownerDocument, elem );
  
  		// Append to fragment
  		tmp = getAll( fragment.appendChild( elem ), "script" );
  
  		// Preserve script evaluation history
  		if ( contains ) {
  			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 documentElement = document.documentElement;
  
  
  
  var
  	rkeyEvent = /^key/,
  	rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
  	rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
  
  function returnTrue() {
  	return true;
  }
  
  function returnFalse() {
  	return false;
  }
  
  // Support: IE <=9 only
  // See #13393 for more info
  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() ) {
  
  				// Triggered event must either 1) have no namespace, or 2) have namespace(s)
  				// a subset or equal to those in the bound event (both can have no namespace).
  				if ( !event.rnamespace || 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
  		},
  		focus: {
  
  			// Fire native event if possible so blur/focus sequence is correct
  			trigger: function() {
  				if ( this !== safeActiveElement() && this.focus ) {
  					this.focus();
  					return false;
  				}
  			},
  			delegateType: "focusin"
  		},
  		blur: {
  			trigger: function() {
  				if ( this === safeActiveElement() && this.blur ) {
  					this.blur();
  					return false;
  				}
  			},
  			delegateType: "focusout"
  		},
  		click: {
  
  			// For checkbox, fire native event so checked state will be right
  			trigger: function() {
  				if ( this.type === "checkbox" && this.click && nodeName( this, "input" ) ) {
  					this.click();
  					return false;
  				}
  			},
  
  			// For cross-browser consistency, don't fire native .click() on links
  			_default: function( event ) {
  				return nodeName( event.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;
  				}
  			}
  		}
  	}
  };
  
  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,
  	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 );
  
  // 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 ) {
  								jQuery._evalUrl( node.src );
  							}
  						} else {
  							DOMEval( node.textContent.replace( rcleanScript, "" ), doc, node );
  						}
  					}
  				}
  			}
  		}
  	}
  
  	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 && jQuery.contains( node.ownerDocument, 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 = jQuery.contains( elem.ownerDocument, 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)
  		div.style.position = "absolute";
  		scrollboxSizeVal = div.offsetWidth === 36 || "absolute";
  
  		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 === "" && !jQuery.contains( elem.ownerDocument, 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
  
  	// 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"
  	},
  
  	cssPrefixes = [ "Webkit", "Moz", "ms" ],
  	emptyStyle = document.createElement( "div" ).style;
  
  // Return a css property mapped to a potentially vendor prefixed property
  function vendorPropName( name ) {
  
  	// Shortcut for names that are not vendor prefixed
  	if ( name in emptyStyle ) {
  		return 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 property mapped along what jQuery.cssProps suggests or to
  // a vendor prefixed property.
  function finalPropName( name ) {
  	var ret = jQuery.cssProps[ name ];
  	if ( !ret ) {
  		ret = jQuery.cssProps[ name ] = vendorPropName( name ) || name;
  	}
  	return ret;
  }
  
  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
  		) );
  	}
  
  	return delta;
  }
  
  function getWidthOrHeight( elem, dimension, extra ) {
  
  	// Start with computed style
  	var styles = getStyles( elem ),
  		val = curCSS( elem, dimension, styles ),
  		isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
  		valueIsBorderBox = isBorderBox;
  
  	// Support: Firefox <=54
  	// Return a confounding non-pixel value or feign ignorance, as appropriate.
  	if ( rnumnonpx.test( val ) ) {
  		if ( !extra ) {
  			return val;
  		}
  		val = "auto";
  	}
  
  	// Check for style in case a browser which returns unreliable values
  	// for getComputedStyle silently falls back to the reliable elem.style
  	valueIsBorderBox = valueIsBorderBox &&
  		( support.boxSizingReliable() || val === elem.style[ dimension ] );
  
  	// 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)
  	if ( val === "auto" ||
  		!parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) {
  
  		val = elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ];
  
  		// offsetWidth/offsetHeight provide border-box values
  		valueIsBorderBox = true;
  	}
  
  	// 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,
  		"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)
  			if ( type === "number" ) {
  				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 ),
  				isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
  				subtract = extra && boxModelAdjustment(
  					elem,
  					dimension,
  					extra,
  					isBorderBox,
  					styles
  				);
  
  			// 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 && support.scrollboxSize() === styles.position ) {
  				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 &&
  				( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null ||
  					jQuery.cssHooks[ tween.prop ] ) ) {
  				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 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() ] = match[ 2 ];
  							}
  						}
  						match = responseHeaders[ key.toLowerCase() ];
  					}
  					return match == null ? null : match;
  				},
  
  				// 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 ) {
  	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,
  		"throws": true
  	} );
  };
  
  
  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 requests
  	if ( s.crossDomain ) {
  		var script, callback;
  		return {
  			send: function( _, complete ) {
  				script = jQuery( "<script>" ).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 v4.1.0 (https://getbootstrap.com/)
    * Copyright 2011-2018 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
    */
  !function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("jquery"),require("popper.js")):"function"==typeof define&&define.amd?define(["exports","jquery","popper.js"],e):e(t.bootstrap={},t.jQuery,t.Popper)}(this,function(t,e,c){"use strict";function i(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function o(t,e,n){return e&&i(t.prototype,e),n&&i(t,n),t}function h(r){for(var t=1;t<arguments.length;t++){var s=null!=arguments[t]?arguments[t]:{},e=Object.keys(s);"function"==typeof Object.getOwnPropertySymbols&&(e=e.concat(Object.getOwnPropertySymbols(s).filter(function(t){return Object.getOwnPropertyDescriptor(s,t).enumerable}))),e.forEach(function(t){var e,n,i;e=r,i=s[n=t],n in e?Object.defineProperty(e,n,{value:i,enumerable:!0,configurable:!0,writable:!0}):e[n]=i})}return 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r(t,e){this._config=this._getConfig(e),this._element=t,this._dialog=Bt(t).find(re.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._scrollbarWidth=0}var t=r.prototype;return t.toggle=function(t){return this._isShown?this.hide():this.show(t)},t.show=function(t){var e=this;if(!this._isTransitioning&&!this._isShown){Bt(this._element).hasClass(ne)&&(this._isTransitioning=!0);var n=Bt.Event(Zt.SHOW,{relatedTarget:t});Bt(this._element).trigger(n),this._isShown||n.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),this._adjustDialog(),Bt(document.body).addClass(ee),this._setEscapeEvent(),this._setResizeEvent(),Bt(this._element).on(Zt.CLICK_DISMISS,re.DATA_DISMISS,function(t){return e.hide(t)}),Bt(this._dialog).on(Zt.MOUSEDOWN_DISMISS,function(){Bt(e._element).one(Zt.MOUSEUP_DISMISS,function(t){Bt(t.target).is(e._element)&&(e._ignoreBackdropClick=!0)})}),this._showBackdrop(function(){return 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i=this.getTipElement(),r=Cn.getUID(this.constructor.NAME);i.setAttribute("id",r),this.element.setAttribute("aria-describedby",r),this.setContent(),this.config.animation&&oe(i).addClass(Ee);var s="function"==typeof this.config.placement?this.config.placement.call(this,i,this.element):this.config.placement,o=this._getAttachment(s);this.addAttachmentClass(o);var a=!1===this.config.container?document.body:oe(this.config.container);oe(i).data(this.constructor.DATA_KEY,this),oe.contains(this.element.ownerDocument.documentElement,this.tip)||oe(i).appendTo(a),oe(this.element).trigger(this.constructor.Event.INSERTED),this._popper=new 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this.tip=this.tip||oe(this.config.template)[0],this.tip},t.setContent=function(){var t=oe(this.getTipElement());this.setElementContent(t.find(Te),this.getTitle()),t.removeClass(Ee+" "+ye)},t.setElementContent=function(t,e){var n=this.config.html;"object"==typeof e&&(e.nodeType||e.jquery)?n?oe(e).parent().is(t)||t.empty().append(e):t.text(oe(e).text()):t[n?"html":"text"](e)},t.getTitle=function(){var t=this.element.getAttribute("data-original-title");return t||(t="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title),t},t._getAttachment=function(t){return _e[t.toUpperCase()]},t._setListeners=function(){var i=this;this.config.trigger.split(" ").forEach(function(t){if("click"===t)oe(i.element).on(i.constructor.Event.CLICK,i.config.selector,function(t){return i.toggle(t)});else if(t!==be){var 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  //# sourceMappingURL=bootstrap.min.js.map
  /*
   * 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 v2.5.16
   * (c) 2014-2018 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.Vue = factory());
  }(this, (function () { 'use strict';
  
  /*  */
  
  var emptyObject = Object.freeze({});
  
  // these helpers produces 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)
  }
  
  /**
   * Convert a value to a string that is actually rendered.
   */
  function toString (val) {
    return val == null
      ? ''
      : typeof val === 'object'
        ? JSON.stringify(val, null, 2)
        : String(val)
  }
  
  /**
   * Convert a 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 a 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 the 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 more performant in most browsers, but removing it would be breaking for
   * code that was able to run in PhantomJS 1.x, so this must be kept for
   * backwards 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
  }
  
  /**
   * 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; };
  
  /**
   * Return same value
   */
  var identity = function (_) { return _; };
  
  /**
   * Generate a static keys string 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 (!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
    }
  }
  
  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'
  ];
  
  /*  */
  
  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,
  
    /**
     * Exposed for legacy reasons
     */
    _lifecycleHooks: LIFECYCLE_HOOKS
  })
  
  /*  */
  
  /**
   * 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 = /[^\w.$]/;
  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;
  
  // 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'].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 = (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();
    for (var i = 0, l = subs.length; i < l; i++) {
      subs[i].update();
    }
  };
  
  // the current target watcher being evaluated.
  // this is globally unique because there could be only one
  // watcher being evaluated at any time.
  Dep.target = null;
  var targetStack = [];
  
  function pushTarget (_target) {
    if (Dep.target) { targetStack.push(Dep.target); }
    Dep.target = _target;
  }
  
  function popTarget () {
    Dep.target = targetStack.pop();
  }
  
  /*  */
  
  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,
      vnode.children,
      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.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)) {
      var augment = hasProto
        ? protoAugment
        : copyAugment;
      augment(value, arrayMethods, arrayKeys);
      this.observeArray(value);
    } else {
      this.walk(value);
    }
  };
  
  /**
   * Walk through each property 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(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 an target Object or Array by intercepting
   * the prototype chain using __proto__
   */
  function protoAugment (target, src, keys) {
    /* eslint-disable no-proto */
    target.__proto__ = src;
    /* eslint-enable no-proto */
  }
  
  /**
   * Augment an 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 (
    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;
    if (!getter && arguments.length === 2) {
      val = obj[key];
    }
    var setter = property && property.set;
  
    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 ("development" !== 'production' && customSetter) {
          customSetter();
        }
        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 ("development" !== 'production' &&
      (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)) {
      "development" !== 'production' && 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(ob.value, key, val);
    ob.dep.notify();
    return val
  }
  
  /**
   * Delete a property and trigger change if necessary.
   */
  function del (target, key) {
    if ("development" !== 'production' &&
      (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)) {
      "development" !== 'production' && 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 = Object.keys(from);
    for (var i = 0; i < keys.length; i++) {
      key = keys[i];
      toVal = to[key];
      fromVal = from[key];
      if (!hasOwn(to, key)) {
        set(to, key, fromVal);
      } else if (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') {
        "development" !== 'production' && 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
  ) {
    return childVal
      ? parentVal
        ? parentVal.concat(childVal)
        : Array.isArray(childVal)
          ? childVal
          : [childVal]
      : parentVal
  }
  
  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) {
      "development" !== 'production' && 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 (!/^[a-zA-Z][\w-]*$/.test(name)) {
      warn(
        'Invalid component name: "' + name + '". Component names ' +
        'can only contain alphanumeric characters and the hyphen, ' +
        'and must start with a letter.'
      );
    }
    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 = dirs[key];
        if (typeof def === 'function') {
          dirs[key] = { bind: def, update: def };
        }
      }
    }
  }
  
  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);
    var extendsFrom = child.extends;
    if (extendsFrom) {
      parent = mergeOptions(parent, extendsFrom, 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 ("development" !== 'production' && 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 ("development" !== 'production' && 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(
        "Invalid prop: type check failed for prop \"" + name + "\"." +
        " Expected " + (expectedTypes.map(capitalize).join(', ')) +
        ", got " + (toRawType(value)) + ".",
        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 handleError (err, vm, info) {
    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);
  }
  
  function globalHandleError (err, vm, info) {
    if (config.errorHandler) {
      try {
        return config.errorHandler.call(null, err, vm, info)
      } catch (e) {
        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
    }
  }
  
  /*  */
  /* globals MessageChannel */
  
  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 both microtasks and (macro) tasks.
  // In < 2.4 we used microtasks everywhere, but there are some scenarios where
  // microtasks have too high a priority and fire in between supposedly
  // sequential events (e.g. #4521, #6690) or even between bubbling of the same
  // event (#6566). However, using (macro) tasks everywhere also has subtle problems
  // when state is changed right before repaint (e.g. #6813, out-in transitions).
  // Here we use microtask by default, but expose a way to force (macro) task when
  // needed (e.g. in event handlers attached by v-on).
  var microTimerFunc;
  var macroTimerFunc;
  var useMacroTask = false;
  
  // Determine (macro) task defer implementation.
  // Technically setImmediate should be the ideal choice, but it's only available
  // in IE. The only polyfill that consistently queues the callback after all DOM
  // events triggered in the same loop is by using MessageChannel.
  /* istanbul ignore if */
  if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
    macroTimerFunc = function () {
      setImmediate(flushCallbacks);
    };
  } else if (typeof MessageChannel !== 'undefined' && (
    isNative(MessageChannel) ||
    // PhantomJS
    MessageChannel.toString() === '[object MessageChannelConstructor]'
  )) {
    var channel = new MessageChannel();
    var port = channel.port2;
    channel.port1.onmessage = flushCallbacks;
    macroTimerFunc = function () {
      port.postMessage(1);
    };
  } else {
    /* istanbul ignore next */
    macroTimerFunc = function () {
      setTimeout(flushCallbacks, 0);
    };
  }
  
  // Determine microtask defer implementation.
  /* istanbul ignore next, $flow-disable-line */
  if (typeof Promise !== 'undefined' && isNative(Promise)) {
    var p = Promise.resolve();
    microTimerFunc = 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); }
    };
  } else {
    // fallback to macro
    microTimerFunc = macroTimerFunc;
  }
  
  /**
   * Wrap a function so that if any code inside triggers state change,
   * the changes are queued using a (macro) task instead of a microtask.
   */
  function withMacroTask (fn) {
    return fn._withTask || (fn._withTask = function () {
      useMacroTask = true;
      var res = fn.apply(null, arguments);
      useMacroTask = false;
      return res
    })
  }
  
  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;
      if (useMacroTask) {
        macroTimerFunc();
      } else {
        microTimerFunc();
      }
    }
    // $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 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) || key.charAt(0) === '_';
        if (!has && !isAllowed) {
          warnNonPresent(target, key);
        }
        return has || !isAllowed
      }
    };
  
    var getHandler = {
      get: function get (target, key) {
        if (typeof key === 'string' && !(key in target)) {
          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) {
    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++) {
          cloned[i].apply(null, arguments$1);
        }
      } else {
        // return handler return value for single handlers
        return fns.apply(null, arguments)
      }
    }
    invoker.fns = fns;
    return invoker
  }
  
  function updateListeners (
    on,
    oldOn,
    add,
    remove$$1,
    vm
  ) {
    var name, def, cur, old, event;
    for (name in on) {
      def = cur = on[name];
      old = oldOn[name];
      event = normalizeEvent(name);
      /* istanbul ignore if */
      if (isUndef(cur)) {
        "development" !== 'production' && warn(
          "Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
          vm
        );
      } else if (isUndef(old)) {
        if (isUndef(cur.fns)) {
          cur = on[name] = createFnInvoker(cur);
        }
        add(event.name, cur, event.once, event.capture, event.passive, event.params);
      } else if (cur !== old) {
        old.fns = cur;
        on[name] = old;
      }
    }
    for (name in oldOn) {
      if (isUndef(on[name])) {
        event = normalizeEvent(name);
        remove$$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 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,
    context
  ) {
    if (isTrue(factory.error) && isDef(factory.errorComp)) {
      return factory.errorComp
    }
  
    if (isDef(factory.resolved)) {
      return factory.resolved
    }
  
    if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
      return factory.loadingComp
    }
  
    if (isDef(factory.contexts)) {
      // already pending
      factory.contexts.push(context);
    } else {
      var contexts = factory.contexts = [context];
      var sync = true;
  
      var forceRender = function () {
        for (var i = 0, l = contexts.length; i < l; i++) {
          contexts[i].$forceUpdate();
        }
      };
  
      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();
        }
      });
  
      var reject = once(function (reason) {
        "development" !== 'production' && warn(
          "Failed to resolve async component: " + (String(factory)) +
          (reason ? ("\nReason: " + reason) : '')
        );
        if (isDef(factory.errorComp)) {
          factory.error = true;
          forceRender();
        }
      });
  
      var res = factory(resolve, reject);
  
      if (isObject(res)) {
        if (typeof res.then === 'function') {
          // () => Promise
          if (isUndef(factory.resolved)) {
            res.then(resolve, reject);
          }
        } else if (isDef(res.component) && typeof res.component.then === 'function') {
          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 {
              setTimeout(function () {
                if (isUndef(factory.resolved) && isUndef(factory.error)) {
                  factory.loading = true;
                  forceRender();
                }
              }, res.delay || 200);
            }
          }
  
          if (isDef(res.timeout)) {
            setTimeout(function () {
              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, once) {
    if (once) {
      target.$once(event, fn);
    } else {
      target.$on(event, fn);
    }
  }
  
  function remove$1 (event, fn) {
    target.$off(event, fn);
  }
  
  function updateComponentListeners (
    vm,
    listeners,
    oldListeners
  ) {
    target = vm;
    updateListeners(listeners, oldListeners || {}, add, remove$1, vm);
    target = undefined;
  }
  
  function eventsMixin (Vue) {
    var hookRE = /^hook:/;
    Vue.prototype.$on = function (event, fn) {
      var this$1 = this;
  
      var vm = this;
      if (Array.isArray(event)) {
        for (var i = 0, l = event.length; i < l; i++) {
          this$1.$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 this$1 = this;
  
      var vm = this;
      // all
      if (!arguments.length) {
        vm._events = Object.create(null);
        return vm
      }
      // array of events
      if (Array.isArray(event)) {
        for (var i = 0, l = event.length; i < l; i++) {
          this$1.$off(event[i], fn);
        }
        return vm
      }
      // specific event
      var cbs = vm._events[event];
      if (!cbs) {
        return vm
      }
      if (!fn) {
        vm._events[event] = null;
        return vm
      }
      if (fn) {
        // specific handler
        var cb;
        var i$1 = cbs.length;
        while (i$1--) {
          cb = cbs[i$1];
          if (cb === fn || cb.fn === fn) {
            cbs.splice(i$1, 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);
        for (var i = 0, l = cbs.length; i < l; i++) {
          try {
            cbs[i].apply(vm, args);
          } catch (e) {
            handleError(e, vm, ("event handler for \"" + event + "\""));
          }
        }
      }
      return vm
    };
  }
  
  /*  */
  
  
  
  /**
   * Runtime helper for resolving raw children VNodes into a slot object.
   */
  function resolveSlots (
    children,
    context
  ) {
    var slots = {};
    if (!children) {
      return 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 resolveScopedSlots (
    fns, // see flow/vnode
    res
  ) {
    res = res || {};
    for (var i = 0; i < fns.length; i++) {
      if (Array.isArray(fns[i])) {
        resolveScopedSlots(fns[i], res);
      } else {
        res[fns[i].key] = fns[i].fn;
      }
    }
    return res
  }
  
  /*  */
  
  var activeInstance = null;
  var isUpdatingChildComponent = false;
  
  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;
      if (vm._isMounted) {
        callHook(vm, 'beforeUpdate');
      }
      var prevEl = vm.$el;
      var prevVnode = vm._vnode;
      var prevActiveInstance = activeInstance;
      activeInstance = vm;
      vm._vnode = vnode;
      // Vue.prototype.__patch__ is injected in entry points
      // based on the rendering backend used.
      if (!prevVnode) {
        // initial render
        vm.$el = vm.__patch__(
          vm.$el, vnode, hydrating, false /* removeOnly */,
          vm.$options._parentElm,
          vm.$options._refElm
        );
        // no need for the ref nodes after initial patch
        // this prevents keeping a detached DOM tree in memory (#5851)
        vm.$options._parentElm = vm.$options._refElm = null;
      } else {
        // updates
        vm.$el = vm.__patch__(prevVnode, vnode);
      }
      activeInstance = prevActiveInstance;
      // 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 ("development" !== 'production' && 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, null, 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 $options._renderChildren
    var hasChildren = !!(
      renderChildren ||               // has new static slots
      vm.$options._renderChildren ||  // has old static slots
      parentVnode.data.scopedSlots || // has new scoped slots
      vm.$scopedSlots !== emptyObject // has old scoped slots
    );
  
    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 (hasChildren) {
      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.$options[hook];
    if (handlers) {
      for (var i = 0, j = handlers.length; i < j; i++) {
        try {
          handlers[i].call(vm);
        } catch (e) {
          handleError(e, vm, (hook + " hook"));
        }
      }
    }
    if (vm._hasHookEvent) {
      vm.$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;
  }
  
  /**
   * Flush both queues and run the watchers.
   */
  function flushSchedulerQueue () {
    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];
      id = watcher.id;
      has[id] = null;
      watcher.run();
      // in dev build, check and stop circular updates.
      if ("development" !== 'production' && 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) {
        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;
        nextTick(flushSchedulerQueue);
      }
    }
  }
  
  /*  */
  
  var uid$1 = 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;
    } else {
      this.deep = this.user = this.lazy = this.sync = false;
    }
    this.cb = cb;
    this.id = ++uid$1; // 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 = function () {};
        "development" !== 'production' && 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 this$1 = this;
  
    var i = this.deps.length;
    while (i--) {
      var dep = this$1.deps[i];
      if (!this$1.newDepIds.has(dep.id)) {
        dep.removeSub(this$1);
      }
    }
    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 this$1 = this;
  
    var i = this.deps.length;
    while (i--) {
      this$1.deps[i].depend();
    }
  };
  
  /**
   * Remove self from all dependencies' subscriber list.
   */
  Watcher.prototype.teardown = function teardown () {
      var this$1 = this;
  
    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$1.deps[i].removeSub(this$1);
      }
      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.$parent;
    // root instance props should be converted
    if (!isRoot) {
      toggleObserving(false);
    }
    var loop = function ( key ) {
      keys.push(key);
      var value = validateProp(key, propsOptions, propsData, vm);
      /* istanbul ignore else */
      {
        var hyphenatedKey = hyphenate(key);
        if (isReservedAttribute(hyphenatedKey) ||
            config.isReservedAttr(hyphenatedKey)) {
          warn(
            ("\"" + hyphenatedKey + "\" is a reserved attribute and cannot be used as component prop."),
            vm
          );
        }
        defineReactive(props, key, value, function () {
          if (vm.$parent && !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.$options.data;
    data = vm._data = typeof data === 'function'
      ? getData(data, vm)
      : data || {};
    if (!isPlainObject(data)) {
      data = {};
      "development" !== 'production' && warn(
        'data functions should return an object:\n' +
        'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
        vm
      );
    }
    // proxy data on instance
    var keys = Object.keys(data);
    var props = vm.$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)) {
        "development" !== 'production' && 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 ("development" !== 'production' && 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)
        : userDef;
      sharedPropertyDefinition.set = noop;
    } else {
      sharedPropertyDefinition.get = userDef.get
        ? shouldCache && userDef.cache !== false
          ? createComputedGetter(key)
          : userDef.get
        : noop;
      sharedPropertyDefinition.set = userDef.set
        ? userDef.set
        : noop;
    }
    if ("development" !== 'production' &&
        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 initMethods (vm, methods) {
    var props = vm.$options.props;
    for (var key in methods) {
      {
        if (methods[key] == null) {
          warn(
            "Method \"" + key + "\" has an undefined value 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] = methods[key] == null ? 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 (newData) {
        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) {
        cb.call(vm, watcher.value);
      }
      return function unwatchFn () {
        watcher.teardown();
      }
    };
  }
  
  /*  */
  
  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(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).filter(function (key) {
          /* istanbul ignore next */
          return Object.getOwnPropertyDescriptor(inject, key).enumerable
        })
        : Object.keys(inject);
  
      for (var i = 0; i < keys.length; i++) {
        var key = keys[i];
        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 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)) {
      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)._isVList = true;
    }
    return ret
  }
  
  /*  */
  
  /**
   * Runtime helper for rendering <slot>
   */
  function renderSlot (
    name,
    fallback,
    props,
    bindObject
  ) {
    var scopedSlotFn = this.$scopedSlots[name];
    var nodes;
    if (scopedSlotFn) { // scoped slot
      props = props || {};
      if (bindObject) {
        if ("development" !== 'production' && !isObject(bindObject)) {
          warn(
            'slot v-bind without argument expects an Object',
            this
          );
        }
        props = extend(extend({}, bindObject), props);
      }
      nodes = scopedSlotFn(props) || fallback;
    } else {
      var slotNodes = this.$slots[name];
      // warn duplicate slot usage
      if (slotNodes) {
        if ("development" !== 'production' && slotNodes._rendered) {
          warn(
            "Duplicate presence of slot \"" + name + "\" found in the same render tree " +
            "- this will likely cause render errors.",
            this
          );
        }
        slotNodes._rendered = true;
      }
      nodes = slotNodes || 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)) {
        "development" !== 'production' && 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 = {});
          }
          if (!(key 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)) {
        "development" !== 'production' && 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 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;
  }
  
  /*  */
  
  function FunctionalRenderContext (
    data,
    props,
    children,
    parent,
    Ctor
  ) {
    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 () { return resolveSlots(children, parent); };
  
    // 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 = data.scopedSlots || emptyObject;
    }
  
    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)
    } 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);
      }
      return res
    }
  }
  
  function cloneAndMarkFunctionalResult (vnode, data, contextVm, options) {
    // #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;
    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];
    }
  }
  
  /*  */
  
  
  
  
  // Register the component hook to weex native render engine.
  // The hook will be triggered by native, not javascript.
  
  
  // Updates the state of the component to weex native render engine.
  
  /*  */
  
  // https://github.com/Hanks10100/weex-native-directive/tree/master/component
  
  // listening on native callback
  
  /*  */
  
  /*  */
  
  // inline hooks to be invoked on component VNodes during patch
  var componentVNodeHooks = {
    init: function init (
      vnode,
      hydrating,
      parentElm,
      refElm
    ) {
      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,
          parentElm,
          refElm
        );
        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, context);
      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
    );
  
    // Weex specific: invoke recycle-list optimized @render function for
    // extracting cell-slot template.
    // https://github.com/Hanks10100/weex-native-directive/tree/master/component
    /* istanbul ignore if */
    return vnode
  }
  
  function createComponentInstanceForVnode (
    vnode, // we know it's MountedComponentVNode but flow doesn't
    parent, // activeInstance in lifecycle state
    parentElm,
    refElm
  ) {
    var options = {
      _isComponent: true,
      parent: parent,
      _parentVnode: vnode,
      _parentElm: parentElm || null,
      _refElm: refElm || null
    };
    // 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];
      hooks[key] = componentVNodeHooks[key];
    }
  }
  
  // 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.props || (data.props = {}))[prop] = data.model.value;
    var on = data.on || (data.on = {});
    if (isDef(on[event])) {
      on[event] = [data.model.callback].concat(on[event]);
    } else {
      on[event] = data.model.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__)) {
      "development" !== 'production' && 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 ("development" !== 'production' &&
      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 (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(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
        !isUpdatingChildComponent && warn("$attrs is readonly.", vm);
      }, true);
      defineReactive(vm, '$listeners', options._parentListeners || emptyObject, function () {
        !isUpdatingChildComponent && warn("$listeners is readonly.", vm);
      }, true);
    }
  }
  
  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;
  
      // reset _rendered flag on slots for duplicate slot check
      {
        for (var key in vm.$slots) {
          // $flow-disable-line
          vm.$slots[key]._rendered = false;
        }
      }
  
      if (_parentVnode) {
        vm.$scopedSlots = _parentVnode.data.scopedSlots || emptyObject;
      }
  
      // set parent vnode. this allows render functions to have access
      // to the data on the placeholder node.
      vm.$vnode = _parentVnode;
      // render self
      var vnode;
      try {
        vnode = render.call(vm._renderProxy, vm.$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;
          }
        }
      }
      // return empty vnode in case the render function errored out
      if (!(vnode instanceof VNode)) {
        if ("development" !== 'production' && 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
    };
  }
  
  /*  */
  
  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 ("development" !== 'production' && 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 ("development" !== 'production' && 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;
    opts._parentElm = options._parentElm;
    opts._refElm = options._refElm;
  
    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 extended = Ctor.extendOptions;
    var sealed = Ctor.sealedOptions;
    for (var key in latest) {
      if (latest[key] !== sealed[key]) {
        if (!modified) { modified = {}; }
        modified[key] = dedupe(latest[key], extended[key], sealed[key]);
      }
    }
    return modified
  }
  
  function dedupe (latest, extended, sealed) {
    // compare latest and sealed to ensure lifecycle hooks won't be duplicated
    // between merges
    if (Array.isArray(latest)) {
      var res = [];
      sealed = Array.isArray(sealed) ? sealed : [sealed];
      extended = Array.isArray(extended) ? extended : [extended];
      for (var i = 0; i < latest.length; i++) {
        // push original options and not sealed options to exclude duplicated options
        if (extended.indexOf(latest[i]) >= 0 || sealed.indexOf(latest[i]) < 0) {
          res.push(latest[i]);
        }
      }
      return res
    } else {
      return latest
    }
  }
  
  function Vue (options) {
    if ("development" !== 'production' &&
      !(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 ("development" !== 'production' && 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 ("development" !== 'production' && 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 () {
      var this$1 = this;
  
      for (var key in this$1.cache) {
        pruneCacheEntry(this$1.cache, key, this$1.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
    };
  
    Vue.set = set;
    Vue.delete = del;
    Vue.nextTick = nextTick;
  
    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 = '2.5.16';
  
  /*  */
  
  // 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 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) {
        "development" !== 'production' && 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 = 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 () {
        if (--remove.listeners === 0) {
          removeNode(childElm);
        }
      }
      remove.listeners = listeners;
      return remove
    }
  
    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 ("development" !== 'production' && 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 */, parentElm, refElm);
        }
        // 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);
          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 (ref$$1.parentNode === parent) {
            nodeOps.insertBefore(parent, elm, ref$$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);
          oldStartVnode = oldCh[++oldStartIdx];
          newStartVnode = newCh[++newStartIdx];
        } else if (sameVnode(oldEndVnode, newEndVnode)) {
          patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
          oldEndVnode = oldCh[--oldEndIdx];
          newEndVnode = newCh[--newEndIdx];
        } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
          patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
          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);
          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);
              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, removeOnly) {
      if (oldVnode === vnode) {
        return
      }
  
      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)) {
          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 ("development" !== 'production' &&
                  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 ("development" !== 'production' &&
                  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, parentElm, refElm) {
      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, parentElm, refElm);
      } else {
        var isRealElement = isDef(oldVnode.nodeType);
        if (!isRealElement && sameVnode(oldVnode, vnode)) {
          // patch existing root node
          patchVnode(oldVnode, vnode, insertedVnodeQueue, 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$1 = 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$1,
            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$1)) {
            removeVnodes(parentElm$1, [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;
        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, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true');
    } 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' && !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))
    }
  }
  
  /*  */
  
  function baseWarn (msg) {
    console.error(("[Vue compiler]: " + msg));
  }
  
  function pluckModuleFunction (
    modules,
    key
  ) {
    return modules
      ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
      : []
  }
  
  function addProp (el, name, value) {
    (el.props || (el.props = [])).push({ name: name, value: value });
    el.plain = false;
  }
  
  function addAttr (el, name, value) {
    (el.attrs || (el.attrs = [])).push({ name: name, value: value });
    el.plain = false;
  }
  
  // add a raw attr (use this in preTransforms)
  function addRawAttr (el, name, value) {
    el.attrsMap[name] = value;
    el.attrsList.push({ name: name, value: value });
  }
  
  function addDirective (
    el,
    name,
    rawName,
    value,
    arg,
    modifiers
  ) {
    (el.directives || (el.directives = [])).push({ name: name, rawName: rawName, value: value, arg: arg, modifiers: modifiers });
    el.plain = false;
  }
  
  function addHandler (
    el,
    name,
    value,
    modifiers,
    important,
    warn
  ) {
    modifiers = modifiers || emptyObject;
    // warn prevent and passive modifier
    /* istanbul ignore if */
    if (
      "development" !== 'production' && warn &&
      modifiers.prevent && modifiers.passive
    ) {
      warn(
        'passive and prevent can\'t be used together. ' +
        'Passive handler can\'t prevent default event.'
      );
    }
  
    // check capture modifier
    if (modifiers.capture) {
      delete modifiers.capture;
      name = '!' + name; // mark the event as captured
    }
    if (modifiers.once) {
      delete modifiers.once;
      name = '~' + name; // mark the event as once
    }
    /* istanbul ignore if */
    if (modifiers.passive) {
      delete modifiers.passive;
      name = '&' + name; // mark the event as passive
    }
  
    // 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 (name === 'click') {
      if (modifiers.right) {
        name = 'contextmenu';
        delete modifiers.right;
      } else if (modifiers.middle) {
        name = 'mouseup';
      }
    }
  
    var events;
    if (modifiers.native) {
      delete modifiers.native;
      events = el.nativeEvents || (el.nativeEvents = {});
    } else {
      events = el.events || (el.events = {});
    }
  
    var newHandler = {
      value: value.trim()
    };
    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 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
  }
  
  /*  */
  
  /**
   * 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: ("\"" + 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;
  var str;
  var chr;
  var index$1;
  var expressionPos;
  var 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."
        );
      }
    }
  
    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.'
      );
    }
  
    // 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'
        );
      }
    }
  
    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 (handler, event, 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);
      }
    }
  }
  
  function add$1 (
    event,
    handler,
    once$$1,
    capture,
    passive
  ) {
    handler = withMacroTask(handler);
    if (once$$1) { handler = createOnceHandler(handler, event, capture); }
    target$1.addEventListener(
      event,
      handler,
      supportsPassive
        ? { capture: capture, passive: passive }
        : capture
    );
  }
  
  function remove$2 (
    event,
    handler,
    capture,
    _target
  ) {
    (_target || target$1).removeEventListener(
      event,
      handler._withTask || 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, vnode.context);
    target$1 = undefined;
  }
  
  var events = {
    create: updateDOMListeners,
    update: updateDOMListeners
  }
  
  /*  */
  
  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 (isUndef(props[key])) {
        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') {
        // 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 {
        elm[key] = cur;
      }
    }
  }
  
  // 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.lazy) {
        // inputs with lazy should only be updated when not in focus
        return false
      }
      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(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
  }
  
  /*  */
  
  /**
   * 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(/\s+/).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(/\s+/).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) {
    if (!def) {
      return
    }
    /* istanbul ignore else */
    if (typeof def === 'object') {
      var res = {};
      if (def.css !== false) {
        extend(res, autoCssTransition(def.name || 'v'));
      }
      extend(res, def);
      return res
    } else if (typeof def === 'string') {
      return autoCssTransition(def)
    }
  }
  
  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);
    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])
    }))
  }
  
  function toMs (s) {
    return Number(s.slice(0, -1)) * 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) {
      transitionNode = transitionNode.parent;
      context = transitionNode.context;
    }
  
    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 ("development" !== 'production' && 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 ("development" !== 'production' && 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._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)) {
      "development" !== 'production' && 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
  }
  
  /*  */
  
  // Provides transition support for a single element/component.
  // supports transition mode (out-in / in-out)
  
  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 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(function (c) { return c.tag || isAsyncPlaceholder(c); });
      /* istanbul ignore if */
      if (!children.length) {
        return
      }
  
      // warn multiple elements
      if ("development" !== 'production' && 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 ("development" !== 'production' &&
        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(function (d) { return d.name === 'show'; })) {
        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
    }
  }
  
  /*  */
  
  // Provides transition support for list items.
  // supports move transitions using the FLIP technique.
  
  // Because the vdom's children update algorithm is "unstable" - i.e.
  // it doesn't guarantee the relative positioning of removed elements,
  // we force transition-group to update its children into two passes:
  // in the first pass, we remove all nodes that need to be removed,
  // triggering their leaving transition; in the second pass, we insert/move
  // into the final desired state. This way in the second pass removed
  // nodes will remain where they should be.
  
  var props = extend({
    tag: String,
    moveClass: String
  }, transitionProps);
  
  delete props.mode;
  
  var TransitionGroup = {
    props: props,
  
    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)
    },
  
    beforeUpdate: function beforeUpdate () {
      // force removing pass
      this.__patch__(
        this._vnode,
        this.kept,
        false, // hydrating
        true // removeOnly (!important, avoids unnecessary moves)
      );
      this._vnode = this.kept;
    },
  
    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 || /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 if (
          "development" !== 'production' &&
          "development" !== 'test' &&
          isChrome
        ) {
          console[console.info ? 'info' : 'log'](
            'Download the Vue Devtools extension for a better development experience:\n' +
            'https://github.com/vuejs/vue-devtools'
          );
        }
      }
      if ("development" !== 'production' &&
        "development" !== 'test' &&
        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 = /\{\{((?:.|\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 ("development" !== 'production' && 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">.'
        );
      }
    }
    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.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.
   */
  
  /*!
   * HTML Parser By John Resig (ejohn.org)
   * Modified by Juriy "kangax" Zaytsev
   * Original code by Erik Arvidsson, Mozilla Public License
   * http://erik.eae.net/simplehtmlparser/simplehtmlparser.js
   */
  
  // Regular Expressions for parsing tags and attributes
  var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
  // could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
  // but for Vue templates we can enforce a simple charset
  var ncname = '[a-zA-Z_][\\w\\-\\.]*';
  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 = /^<!\[/;
  
  var IS_REGEX_CAPTURING_BROKEN = false;
  'x'.replace(/x(.)?/g, function (m, g) {
    IS_REGEX_CAPTURING_BROKEN = g === '';
  });
  
  // Special Elements (can contain anything)
  var isPlainTextElement = makeMap('script,style,textarea', true);
  var reCache = {};
  
  var decodingMap = {
    '&lt;': '<',
    '&gt;': '>',
    '&quot;': '"',
    '&amp;': '&',
    '&#10;': '\n',
    '&#9;': '\t'
  };
  var encodedAttr = /&(?:lt|gt|quot|amp);/g;
  var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#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));
              }
              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(lastTag, 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);
          advance(textEnd);
        }
  
        if (textEnd < 0) {
          text = html;
          html = '';
        }
  
        if (options.chars && text) {
          options.chars(text);
        }
      } 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 ("development" !== 'production' && !stack.length && options.warn) {
          options.warn(("Mal-formatted tag at end of template: \"" + html + "\""));
        }
        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(attribute))) {
          advance(attr[0].length);
          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];
        // hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778
        if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) {
          if (args[3] === '') { delete args[3]; }
          if (args[4] === '') { delete args[4]; }
          if (args[5] === '') { delete args[5]; }
        }
        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 (!unary) {
        stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs });
        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; }
  
      if (tagName) {
        lowerCasedTagName = tagName.toLowerCase();
      }
  
      // Find the closest opened tag of the same type
      if (tagName) {
        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 ("development" !== 'production' &&
            (i > pos || !tagName) &&
            options.warn
          ) {
            options.warn(
              ("tag <" + (stack[i].tag) + "> has no matching end tag.")
            );
          }
          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+(?:in|of)\s+([^]*)/;
  var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
  var stripParensRE = /^\(|\)$/g;
  
  var argRE = /:(.*)$/;
  var bindRE = /^:|^v-bind:/;
  var modifierRE = /\.[^.]+/g;
  
  var decodeHTMLCached = cached(he.decode);
  
  // configurable state
  var warn$2;
  var delimiters;
  var transforms;
  var preTransforms;
  var postTransforms;
  var platformIsPreTag;
  var platformMustUseProp;
  var platformGetTagNamespace;
  
  
  
  function createASTElement (
    tag,
    attrs,
    parent
  ) {
    return {
      type: 1,
      tag: tag,
      attrsList: attrs,
      attrsMap: makeAttrsMap(attrs),
      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;
  
    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 root;
    var currentParent;
    var inVPre = false;
    var inPre = false;
    var warned = false;
  
    function warnOnce (msg) {
      if (!warned) {
        warned = true;
        warn$2(msg);
      }
    }
  
    function closeElement (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);
      }
    }
  
    parseHTML(template, {
      warn: warn$2,
      expectHTML: options.expectHTML,
      isUnaryTag: options.isUnaryTag,
      canBeLeftOpenTag: options.canBeLeftOpenTag,
      shouldDecodeNewlines: options.shouldDecodeNewlines,
      shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
      shouldKeepComment: options.comments,
      start: function start (tag, attrs, unary) {
        // 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 (isForbiddenTag(element) && !isServerRendering()) {
          element.forbidden = true;
          "development" !== 'production' && 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.'
          );
        }
  
        // 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);
          // element-scope stuff
          processElement(element, options);
        }
  
        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.'
              );
            }
            if (el.attrsMap.hasOwnProperty('v-for')) {
              warnOnce(
                'Cannot use v-for on stateful component root element because ' +
                'it renders multiple elements.'
              );
            }
          }
        }
  
        // tree management
        if (!root) {
          root = element;
          checkRootConstraints(root);
        } else if (!stack.length) {
          // 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."
            );
          }
        }
        if (currentParent && !element.forbidden) {
          if (element.elseif || element.else) {
            processIfConditions(element, currentParent);
          } else if (element.slotScope) { // scoped slot
            currentParent.plain = false;
            var name = element.slotTarget || '"default"';(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
          } else {
            currentParent.children.push(element);
            element.parent = currentParent;
          }
        }
        if (!unary) {
          currentParent = element;
          stack.push(element);
        } else {
          closeElement(element);
        }
      },
  
      end: function end () {
        // remove trailing whitespace
        var element = stack[stack.length - 1];
        var lastNode = element.children[element.children.length - 1];
        if (lastNode && lastNode.type === 3 && lastNode.text === ' ' && !inPre) {
          element.children.pop();
        }
        // pop stack
        stack.length -= 1;
        currentParent = stack[stack.length - 1];
        closeElement(element);
      },
  
      chars: function chars (text) {
        if (!currentParent) {
          {
            if (text === template) {
              warnOnce(
                'Component template requires a root element, rather than just text.'
              );
            } else if ((text = text.trim())) {
              warnOnce(
                ("text \"" + text + "\" outside root element will be ignored.")
              );
            }
          }
          return
        }
        // IE textarea placeholder bug
        /* istanbul ignore if */
        if (isIE &&
          currentParent.tag === 'textarea' &&
          currentParent.attrsMap.placeholder === text
        ) {
          return
        }
        var children = currentParent.children;
        text = inPre || text.trim()
          ? isTextTag(currentParent) ? text : decodeHTMLCached(text)
          // only preserve whitespace if its not right after a starting tag
          : preserveWhitespace && children.length ? ' ' : '';
        if (text) {
          var res;
          if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
            children.push({
              type: 2,
              expression: res.expression,
              tokens: res.tokens,
              text: text
            });
          } else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
            children.push({
              type: 3,
              text: text
            });
          }
        }
      },
      comment: function comment (text) {
        currentParent.children.push({
          type: 3,
          text: text,
          isComment: true
        });
      }
    });
    return root
  }
  
  function processPre (el) {
    if (getAndRemoveAttr(el, 'v-pre') != null) {
      el.pre = true;
    }
  }
  
  function processRawAttrs (el) {
    var l = el.attrsList.length;
    if (l) {
      var attrs = el.attrs = new Array(l);
      for (var i = 0; i < l; i++) {
        attrs[i] = {
          name: el.attrsList[i].name,
          value: JSON.stringify(el.attrsList[i].value)
        };
      }
    } 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.attrsList.length;
  
    processRef(element);
    processSlot(element);
    processComponent(element);
    for (var i = 0; i < transforms.length; i++) {
      element = transforms[i](element, options) || element;
    }
    processAttrs(element);
  }
  
  function processKey (el) {
    var exp = getBindingAttr(el, 'key');
    if (exp) {
      if ("development" !== 'production' && el.tag === 'template') {
        warn$2("<template> cannot be keyed. Place the key on real elements instead.");
      }
      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)
        );
      }
    }
  }
  
  
  
  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, '');
      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."
      );
    }
  }
  
  function findPrevElement (children) {
    var i = children.length;
    while (i--) {
      if (children[i].type === 1) {
        return children[i]
      } else {
        if ("development" !== 'production' && children[i].text !== ' ') {
          warn$2(
            "text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
            "will be ignored."
          );
        }
        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;
    }
  }
  
  function processSlot (el) {
    if (el.tag === 'slot') {
      el.slotName = getBindingAttr(el, 'name');
      if ("development" !== 'production' && 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."
        );
      }
    } else {
      var slotScope;
      if (el.tag === 'template') {
        slotScope = getAndRemoveAttr(el, 'scope');
        /* istanbul ignore if */
        if ("development" !== 'production' && 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.",
            true
          );
        }
        el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
      } else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
        /* istanbul ignore if */
        if ("development" !== 'production' && 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.",
            true
          );
        }
        el.slotScope = slotScope;
      }
      var slotTarget = getBindingAttr(el, 'slot');
      if (slotTarget) {
        el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
        // 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);
        }
      }
    }
  }
  
  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, isProp;
    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);
        if (modifiers) {
          name = name.replace(modifierRE, '');
        }
        if (bindRE.test(name)) { // v-bind
          name = name.replace(bindRE, '');
          value = parseFilters(value);
          isProp = false;
          if (modifiers) {
            if (modifiers.prop) {
              isProp = true;
              name = camelize(name);
              if (name === 'innerHtml') { name = 'innerHTML'; }
            }
            if (modifiers.camel) {
              name = camelize(name);
            }
            if (modifiers.sync) {
              addHandler(
                el,
                ("update:" + (camelize(name))),
                genAssignmentCode(value, "$event")
              );
            }
          }
          if (isProp || (
            !el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
          )) {
            addProp(el, name, value);
          } else {
            addAttr(el, name, value);
          }
        } else if (onRE.test(name)) { // v-on
          name = name.replace(onRE, '');
          addHandler(el, name, value, modifiers, false, warn$2);
        } else { // normal directives
          name = name.replace(dirRE, '');
          // parse arg
          var argMatch = name.match(argRE);
          var arg = argMatch && argMatch[1];
          if (arg) {
            name = name.slice(0, -(arg.length + 1));
          }
          addDirective(el, name, rawName, value, arg, modifiers);
          if ("development" !== 'production' && 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">.'
            );
          }
        }
        addAttr(el, name, JSON.stringify(value));
        // #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');
        }
      }
    }
  }
  
  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 (
        "development" !== 'production' &&
        map[attrs[i].name] && !isIE && !isEdge
      ) {
        warn$2('duplicate attribute: ' + attrs[i].name);
      }
      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 = _el.parent;
    }
  }
  
  /*  */
  
  /**
   * Expand input[v-model] with dyanmic type bindings into v-if-else chains
   * Turn this:
   *   <input v-model="data[type]" :type="type">
   * into this:
   *   <input v-if="type === 'checkbox'" type="checkbox" v-model="data[type]">
   *   <input v-else-if="type === 'radio'" type="radio" v-model="data[type]">
   *   <input v-else :type="type" v-model="data[type]">
   */
  
  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$2 = {
    preTransformNode: preTransformNode
  }
  
  var modules$1 = [
    klass$1,
    style$1,
    model$2
  ]
  
  /*  */
  
  function text (el, dir) {
    if (dir.value) {
      addProp(el, 'textContent', ("_s(" + (dir.value) + ")"));
    }
  }
  
  /*  */
  
  function html (el, dir) {
    if (dir.value) {
      addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"));
    }
  }
  
  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' +
      (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*\(/;
  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 = {
    esc: 'Escape',
    tab: 'Tab',
    enter: 'Enter',
    space: ' ',
    // #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
    up: ['Up', 'ArrowUp'],
    left: ['Left', 'ArrowLeft'],
    right: ['Right', 'ArrowRight'],
    down: ['Down', 'ArrowDown'],
    'delete': ['Backspace', 'Delete']
  };
  
  // #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,
    warn
  ) {
    var res = isNative ? 'nativeOn:{' : 'on:{';
    for (var name in events) {
      res += "\"" + name + "\":" + (genHandler(name, events[name])) + ",";
    }
    return res.slice(0, -1) + '}'
  }
  
  function genHandler (
    name,
    handler
  ) {
    if (!handler) {
      return 'function(){}'
    }
  
    if (Array.isArray(handler)) {
      return ("[" + (handler.map(function (handler) { return genHandler(name, handler); }).join(',')) + "]")
    }
  
    var isMethodPath = simplePathRE.test(handler.value);
    var isFunctionExpression = fnExpRE.test(handler.value);
  
    if (!handler.modifiers) {
      if (isMethodPath || isFunctionExpression) {
        return handler.value
      }
      /* istanbul ignore if */
      return ("function($event){" + (handler.value) + "}") // inline statement
    } else {
      var code = '';
      var genModifierCode = '';
      var keys = [];
      for (var key in handler.modifiers) {
        if (modifierCode[key]) {
          genModifierCode += modifierCode[key];
          // left/right
          if (keyCodes[key]) {
            keys.push(key);
          }
        } else if (key === 'exact') {
          var modifiers = (handler.modifiers);
          genModifierCode += genGuard(
            ['ctrl', 'shift', 'alt', 'meta']
              .filter(function (keyModifier) { return !modifiers[keyModifier]; })
              .map(function (keyModifier) { return ("$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)")
          : handler.value;
      /* istanbul ignore if */
      return ("function($event){" + code + handlerCode + "}")
    }
  }
  
  function genKeyFilter (keys) {
    return ("if(!('button' in $event)&&" + (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 ("development" !== 'production' && 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 !isReservedTag(el.tag); };
    this.onceId = 0;
    this.staticRenderFns = [];
  };
  
  
  
  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.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) {
      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 = el.plain ? undefined : 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;
    state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
    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) {
        "development" !== 'production' && state.warn(
          "v-once can only be used inside v-for that is keyed. "
        );
        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 ("development" !== 'production' &&
      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.",
        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, state.warn)) + ",";
    }
    if (el.nativeEvents) {
      data += (genHandlers(el.nativeEvents, true, state.warn)) + ",";
    }
    // slot target
    // only for non-scoped slots
    if (el.slotTarget && !el.slotScope) {
      data += "slot:" + (el.slotTarget) + ",";
    }
    // scoped slots
    if (el.scopedSlots) {
      data += (genScopedSlots(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 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.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 ("development" !== 'production' && (
      el.children.length !== 1 || ast.type !== 1
    )) {
      state.warn('Inline-template components must have exactly one child element.');
    }
    if (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 (
    slots,
    state
  ) {
    return ("scopedSlots:_u([" + (Object.keys(slots).map(function (key) {
        return genScopedSlot(key, slots[key], state)
      }).join(',')) + "])")
  }
  
  function genScopedSlot (
    key,
    el,
    state
  ) {
    if (el.for && !el.forProcessed) {
      return genForScopedSlot(key, el, state)
    }
    var fn = "function(" + (String(el.slotScope)) + "){" +
      "return " + (el.tag === 'template'
        ? el.if
          ? ((el.if) + "?" + (genChildren(el, state) || 'undefined') + ":undefined")
          : genChildren(el, state) || 'undefined'
        : genElement(el, state)) + "}";
    return ("{key:" + key + ",fn:" + fn + "}")
  }
  
  function genForScopedSlot (
    key,
    el,
    state
  ) {
    var exp = el.for;
    var alias = el.alias;
    var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
    var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
    el.forProcessed = true; // avoid recursion
    return "_l((" + exp + ")," +
      "function(" + alias + iterator1 + iterator2 + "){" +
        "return " + (genScopedSlot(key, el, state)) +
      '})'
  }
  
  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'
      ) {
        return (altGenElement || genElement)(el$1, state)
      }
      var normalizationType = checkSkip
        ? getNormalizationType(children, state.maybeComponent)
        : 0;
      var gen = altGenNode || genNode;
      return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType ? ("," + normalizationType) : ''))
    }
  }
  
  // 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)
    } 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.attrs.map(function (a) { return ((camelize(a.name)) + ":" + (a.value)); }).join(',')) + "}");
    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 res = '';
    for (var i = 0; i < props.length; i++) {
      var prop = props[i];
      /* istanbul ignore if */
      {
        res += "\"" + (prop.name) + "\":" + (transformSpecialNewlines(prop.value)) + ",";
      }
    }
    return res.slice(0, -1)
  }
  
  // #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) {
    var errors = [];
    if (ast) {
      checkNode(ast, errors);
    }
    return errors
  }
  
  function checkNode (node, errors) {
    if (node.type === 1) {
      for (var name in node.attrsMap) {
        if (dirRE.test(name)) {
          var value = node.attrsMap[name];
          if (value) {
            if (name === 'v-for') {
              checkFor(node, ("v-for=\"" + value + "\""), errors);
            } else if (onRE.test(name)) {
              checkEvent(value, (name + "=\"" + value + "\""), errors);
            } else {
              checkExpression(value, (name + "=\"" + value + "\""), errors);
            }
          }
        }
      }
      if (node.children) {
        for (var i = 0; i < node.children.length; i++) {
          checkNode(node.children[i], errors);
        }
      }
    } else if (node.type === 2) {
      checkExpression(node.expression, node.text, errors);
    }
  }
  
  function checkEvent (exp, text, errors) {
    var stipped = exp.replace(stripStringRE, '');
    var keywordMatch = stipped.match(unaryOperatorsRE);
    if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') {
      errors.push(
        "avoid using JavaScript unary operator as property name: " +
        "\"" + (keywordMatch[0]) + "\" in expression " + (text.trim())
      );
    }
    checkExpression(exp, text, errors);
  }
  
  function checkFor (node, text, errors) {
    checkExpression(node.for || '', text, errors);
    checkIdentifier(node.alias, 'v-for alias', text, errors);
    checkIdentifier(node.iterator1, 'v-for iterator', text, errors);
    checkIdentifier(node.iterator2, 'v-for iterator', text, errors);
  }
  
  function checkIdentifier (
    ident,
    type,
    text,
    errors
  ) {
    if (typeof ident === 'string') {
      try {
        new Function(("var " + ident + "=_"));
      } catch (e) {
        errors.push(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())));
      }
    }
  }
  
  function checkExpression (exp, text, errors) {
    try {
      new Function(("return " + exp));
    } catch (e) {
      var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
      if (keywordMatch) {
        errors.push(
          "avoid using JavaScript keyword as property name: " +
          "\"" + (keywordMatch[0]) + "\"\n  Raw expression: " + (text.trim())
        );
      } else {
        errors.push(
          "invalid expression: " + (e.message) + " in\n\n" +
          "    " + exp + "\n\n" +
          "  Raw expression: " + (text.trim()) + "\n"
        );
      }
    }
  }
  
  /*  */
  
  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) {
          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) {
          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 = [];
        finalOptions.warn = function (msg, tip) {
          (tip ? tips : errors).push(msg);
        };
  
        if (options) {
          // 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];
            }
          }
        }
  
        var compiled = baseCompile(template, finalOptions);
        {
          errors.push.apply(errors, detectErrors(compiled.ast));
        }
        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 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) {
      "development" !== 'production' && 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 ("development" !== 'production' && !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 ("development" !== 'production' && config.performance && mark) {
          mark('compile');
        }
  
        var ref = compileToFunctions(template, {
          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 ("development" !== 'production' && 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 v0.18.0 | (c) 2018 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 defaults = __webpack_require__(6);
  	
  	/**
  	 * 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(utils.merge(defaults, instanceConfig));
  	};
  	
  	// Expose Cancel & CancelToken
  	axios.Cancel = __webpack_require__(23);
  	axios.CancelToken = __webpack_require__(24);
  	axios.isCancel = __webpack_require__(20);
  	
  	// 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'
  	 */
  	function isStandardBrowserEnv() {
  	  if (typeof navigator !== 'undefined' && navigator.product === 'ReactNative') {
  	    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;
  	}
  	
  	/**
  	 * 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,
  	  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
  	 */
  	
  	// The _isBuffer check is for Safari 5-7 support, because it's missing
  	// Object.prototype.constructor. Remove this eventually
  	module.exports = function (obj) {
  	  return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer)
  	}
  	
  	function isBuffer (obj) {
  	  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
  	}
  	
  	// For Node v0.10 support. Remove this eventually.
  	function isSlowBuffer (obj) {
  	  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0))
  	}
  
  
  /***/ }),
  /* 5 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var defaults = __webpack_require__(6);
  	var utils = __webpack_require__(2);
  	var InterceptorManager = __webpack_require__(17);
  	var dispatchRequest = __webpack_require__(18);
  	
  	/**
  	 * 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 = utils.merge({
  	      url: arguments[0]
  	    }, arguments[1]);
  	  }
  	
  	  config = utils.merge(defaults, {method: 'get'}, this.defaults, config);
  	  config.method = config.method.toLowerCase();
  	
  	  // 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;
  	};
  	
  	// 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);
  	var normalizeHeaderName = __webpack_require__(7);
  	
  	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;
  	  if (typeof XMLHttpRequest !== 'undefined') {
  	    // For browsers use XHR adapter
  	    adapter = __webpack_require__(8);
  	  } else if (typeof process !== 'undefined') {
  	    // For node use HTTP adapter
  	    adapter = __webpack_require__(8);
  	  }
  	  return adapter;
  	}
  	
  	var defaults = {
  	  adapter: getDefaultAdapter(),
  	
  	  transformRequest: [function transformRequest(data, headers) {
  	    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;
  
  
  /***/ }),
  /* 7 */
  /***/ (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];
  	    }
  	  });
  	};
  
  
  /***/ }),
  /* 8 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	var settle = __webpack_require__(9);
  	var buildURL = __webpack_require__(12);
  	var parseHeaders = __webpack_require__(13);
  	var isURLSameOrigin = __webpack_require__(14);
  	var createError = __webpack_require__(10);
  	var btoa = (typeof window !== 'undefined' && window.btoa && window.btoa.bind(window)) || __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();
  	    var loadEvent = 'onreadystatechange';
  	    var xDomain = false;
  	
  	    // For IE 8/9 CORS support
  	    // Only supports POST and GET calls and doesn't returns the response headers.
  	    // DON'T do this for testing b/c XMLHttpRequest is mocked, not XDomainRequest.
  	    if (("production") !== 'test' &&
  	        typeof window !== 'undefined' &&
  	        window.XDomainRequest && !('withCredentials' in request) &&
  	        !isURLSameOrigin(config.url)) {
  	      request = new window.XDomainRequest();
  	      loadEvent = 'onload';
  	      xDomain = true;
  	      request.onprogress = function handleProgress() {};
  	      request.ontimeout = function handleTimeout() {};
  	    }
  	
  	    // 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[loadEvent] = function handleLoad() {
  	      if (!request || (request.readyState !== 4 && !xDomain)) {
  	        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,
  	        // IE sends 1223 instead of 204 (https://github.com/axios/axios/issues/201)
  	        status: request.status === 1223 ? 204 : request.status,
  	        statusText: request.status === 1223 ? 'No Content' : request.statusText,
  	        headers: responseHeaders,
  	        config: config,
  	        request: request
  	      };
  	
  	      settle(resolve, reject, response);
  	
  	      // 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__(16);
  	
  	      // 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);
  	  });
  	};
  
  
  /***/ }),
  /* 9 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var createError = __webpack_require__(10);
  	
  	/**
  	 * 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;
  	  // Note: status is not exposed by XDomainRequest
  	  if (!response.status || !validateStatus || validateStatus(response.status)) {
  	    resolve(response);
  	  } else {
  	    reject(createError(
  	      'Request failed with status code ' + response.status,
  	      response.config,
  	      null,
  	      response.request,
  	      response
  	    ));
  	  }
  	};
  
  
  /***/ }),
  /* 10 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var enhanceError = __webpack_require__(11);
  	
  	/**
  	 * 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);
  	};
  
  
  /***/ }),
  /* 11 */
  /***/ (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;
  	  return error;
  	};
  
  
  /***/ }),
  /* 12 */
  /***/ (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) {
  	    url += (url.indexOf('?') === -1 ? '?' : '&') + serializedParams;
  	  }
  	
  	  return url;
  	};
  
  
  /***/ }),
  /* 13 */
  /***/ (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;
  	};
  
  
  /***/ }),
  /* 14 */
  /***/ (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;
  	    };
  	  })()
  	);
  
  
  /***/ }),
  /* 15 */
  /***/ (function(module, exports) {
  
  	'use strict';
  	
  	// btoa polyfill for IE<10 courtesy https://github.com/davidchambers/Base64.js
  	
  	var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
  	
  	function E() {
  	  this.message = 'String contains an invalid character';
  	}
  	E.prototype = new Error;
  	E.prototype.code = 5;
  	E.prototype.name = 'InvalidCharacterError';
  	
  	function btoa(input) {
  	  var str = String(input);
  	  var output = '';
  	  for (
  	    // initialize result and counter
  	    var block, charCode, idx = 0, map = chars;
  	    // if the next str index does not exist:
  	    //   change the mapping table to "="
  	    //   check if d has no fractional digits
  	    str.charAt(idx | 0) || (map = '=', idx % 1);
  	    // "8 - idx % 1 * 8" generates the sequence 2, 4, 6, 8
  	    output += map.charAt(63 & block >> 8 - idx % 1 * 8)
  	  ) {
  	    charCode = str.charCodeAt(idx += 3 / 4);
  	    if (charCode > 0xFF) {
  	      throw new E();
  	    }
  	    block = block << 8 | charCode;
  	  }
  	  return output;
  	}
  	
  	module.exports = btoa;
  
  
  /***/ }),
  /* 16 */
  /***/ (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() {}
  	    };
  	  })()
  	);
  
  
  /***/ }),
  /* 17 */
  /***/ (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;
  
  
  /***/ }),
  /* 18 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  	
  	var utils = __webpack_require__(2);
  	var transformData = __webpack_require__(19);
  	var isCancel = __webpack_require__(20);
  	var defaults = __webpack_require__(6);
  	var isAbsoluteURL = __webpack_require__(21);
  	var combineURLs = __webpack_require__(22);
  	
  	/**
  	 * 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);
  	  });
  	};
  
  
  /***/ }),
  /* 19 */
  /***/ (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;
  	};
  
  
  /***/ }),
  /* 20 */
  /***/ (function(module, exports) {
  
  	'use strict';
  	
  	module.exports = function isCancel(value) {
  	  return !!(value && value.__CANCEL__);
  	};
  
  
  /***/ }),
  /* 21 */
  /***/ (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);
  	};
  
  
  /***/ }),
  /* 22 */
  /***/ (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;
  	};
  
  
  /***/ }),
  /* 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
  new Vue({
  	el: '#crud',
  	created: function() {
  		this.getKeeps();
  	},
  	data: {
  		keeps: [],
  		paginate:{
  			'total':0,     
              'current_page':0,
              'per_page':0, 
              'last_page':0,  
              'from':0,      
              'to':0,        
              'total':0     
  		},
  		newKeep:null,
  		fillKeep:{id:'',keep:''},
  		errors:[],
  		offset: 3,
  		loading:false,
  		columns:['Id','Tarea','',''],
  		currentSort:'id',
    		currentSortDir:'desc',
    		send:false
  	},
  	computed:{
  		isActive: function(){
  			return this.paginate.current_page;
  		},
  		isSort: function(){
  			return this.currentSort == 'keep' ? 'tarea' : this.currentSort;
  		},
  		pagesNumber: function(){
  			if(!this.paginate.to){
  				return [];
  			}
  
  			var from = this.paginate.current_page - this.offset;
  			if (from < 1) {
  				from = 1;
  			}
  
  			var to = from + (this.offset*2);
  			if (to >= this.paginate.last_page) {
  				to = this.paginate.last_page;
  			}
  
  			var pagesArray = [];
  			while (from <= to) {
  				pagesArray.push(from);
  				from++;
  			}
  			return pagesArray;
  		},
  		sortedKeeps: function() {
  		    return this.keeps.sort((a,b) => {
  		      let modifier = 1;
  		      if(this.currentSortDir === 'desc') modifier = -1;
  		      if(a[this.currentSort] < b[this.currentSort]) return -1 * modifier;
  		      if(a[this.currentSort] > b[this.currentSort]) return 1 * modifier;
  		      return 0;
  		    });
  		},
  	},
  	methods: {
  		getKeeps:function(numberPage=1){
  			this.loading = true;
  			
  			var urlKeeps = 'task?page='+numberPage;
  			axios.get(urlKeeps).then(response => {
  				this.keeps    = response.data.tasks.data;
  				this.paginate = response.data.paginate;
  				this.loading  = false;
  			});
  		},
  		editKeep: function(keep){
  			this.fillKeep.id = keep.id;
  			this.fillKeep.keep = keep.keep;
  			$('#edit').modal('show');
  		},
  		updateKeep: function(id){
  			var url = 'task/'+id;
  			axios.put(url,this.fillKeep).then(response => {
  				this.getKeeps();
  				this.fillKeep.id   = '';
  				this.fillKeep.name = '';
  				this.error         = [];
  				$('#edit').modal('hide');
  				toastr.success('Tarea '+id+' actualizada con exito.');
  			}).catch(error => {
  				this.error = error.response.data;
  			});
  		},
  		deleteKeep:function(keep){
  			if (!confirm("¿Está seguro de eliminar?")) {
              	return false;
            	}
  			var url = 'task/'+keep.id;
  			axios.delete(url).then(response => {
  				this.getKeeps();
  				toastr.success('Eliminado correctamente.');
  			});
  		},
  		createKeep: function(){
  			var urlKeep = 'task';
  			this.send = true;
  			axios.post(urlKeep,{
  				keep:this.newKeep
  			}).then((response) => {
  				this.getKeeps();
  				this.newKeep = null;
  				this.errors = [];
  				this.send = false;
  
  				$('#create').modal('hide');
  				toastr.success('Nueva tarea creada con exito.');
  			}).catch((error) => {
  				this.errors = error.response.data;
  				this.send = false;
  			})
  		},
  		changePage: function(numberPage){
  			this.paginate.current_page = numberPage;
  			this.getKeeps(numberPage);
  		},
  		sort:function(s) {
  			s = s == 'tarea' ? 'keep' : s;
  		    //if s == current sort, reverse
  		    if(s === this.currentSort) {
  		      this.currentSortDir = this.currentSortDir==='asc'?'desc':'asc';
  		    }
  		    this.currentSort = s;
  		}
  	}
  });