text: /*!
  * jQuery JavaScript Library v3.4.1
  * https://jquery.com/
  *
  * Includes Sizzle.js
  * https://sizzlejs.com/
  *
  * Copyright JS Foundation and other contributors
  * Released under the MIT license
  * https://jquery.org/license
  *
  * Date: 2019-05-01T21:04Z
  */
  ( function( global, factory ) {
  
  "use strict";
  
  if ( typeof module === "object" && typeof module.exports === "object" ) {
  
  // For CommonJS and CommonJS-like environments where a proper `window`
  // is present, execute the factory and get jQuery.
  // For environments that do not have a `window` with a `document`
  // (such as Node.js), expose a factory as module.exports.
  // This accentuates the need for the creation of a real `window`.
  // e.g. var jQuery = require("jquery")(window);
  // See ticket #14549 for more info.
  module.exports = global.document ?
  factory( global, true ) :
  function( w ) {
  if ( !w.document ) {
  throw new Error( "jQuery requires a window with a document" );
  }
  return factory( w );
  };
  } else {
  factory( global );
  }
  
  // Pass this if window is not defined yet
  } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
  
  // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
  // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
  // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
  // enough that all such attempts are guarded in a try block.
  "use strict";
  
  var arr = [];
  
  var document = window.document;
  
  var getProto = Object.getPrototypeOf;
  
  var slice = arr.slice;
  
  var concat = arr.concat;
  
  var push = arr.push;
  
  var indexOf = arr.indexOf;
  
  var class2type = {};
  
  var toString = class2type.toString;
  
  var hasOwn = class2type.hasOwnProperty;
  
  var fnToString = hasOwn.toString;
  
  var ObjectFunctionString = fnToString.call( Object );
  
  var support = {};
  
  var isFunction = function isFunction( obj ) {
  
  // Support: Chrome <=57, Firefox <=52
  // In some browsers, typeof returns "function" for HTML <object> elements
  // (i.e., `typeof document.createElement( "object" ) === "function"`).
  // We don't want to classify *any* DOM node as a function.
  return typeof obj === "function" && typeof obj.nodeType !== "number";
  };
  
  
  var isWindow = function isWindow( obj ) {
  return obj != null && obj === obj.window;
  };
  
  
  
  
  var preservedScriptAttributes = {
  type: true,
  src: true,
  nonce: true,
  noModule: true
  };
  
  function DOMEval( code, node, doc ) {
  doc = doc || document;
  
  var i, val,
  script = doc.createElement( "script" );
  
  script.text = code;
  if ( node ) {
  for ( i in preservedScriptAttributes ) {
  
  // Support: Firefox 64+, Edge 18+
  // Some browsers don't support the "nonce" property on scripts.
  // On the other hand, just using `getAttribute` is not enough as
  // the `nonce` attribute is reset to an empty string whenever it
  // becomes browsing-context connected.
  // See https://github.com/whatwg/html/issues/2369
  // See https://html.spec.whatwg.org/#nonce-attributes
  // The `node.getAttribute` check was added for the sake of
  // `jQuery.globalEval` so that it can fake a nonce-containing node
  // via an object.
  val = node[ i ] || node.getAttribute && node.getAttribute( i );
  if ( val ) {
  script.setAttribute( i, val );
  }
  }
  }
  doc.head.appendChild( script ).parentNode.removeChild( script );
  }
  
  
  function toType( obj ) {
  if ( obj == null ) {
  return obj + "";
  }
  
  // Support: Android <=2.3 only (functionish RegExp)
  return typeof obj === "object" || typeof obj === "function" ?
  class2type[ toString.call( obj ) ] || "object" :
  typeof obj;
  }
  /* global Symbol */
  // Defining this global in .eslintrc.json would create a danger of using the global
  // unguarded in another place, it seems safer to define global only for this module
  
  
  
  var
  version = "3.4.1",
  
  // Define a local copy of jQuery
  jQuery = function( selector, context ) {
  
  // The jQuery object is actually just the init constructor 'enhanced'
  // Need init if jQuery is called (just allow error to be thrown if not included)
  return new jQuery.fn.init( selector, context );
  },
  
  // Support: Android <=4.0 only
  // Make sure we trim BOM and NBSP
  rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
  
  jQuery.fn = jQuery.prototype = {
  
  // The current version of jQuery being used
  jquery: version,
  
  constructor: jQuery,
  
  // The default length of a jQuery object is 0
  length: 0,
  
  toArray: function() {
  return slice.call( this );
  },
  
  // Get the Nth element in the matched element set OR
  // Get the whole matched element set as a clean array
  get: function( num ) {
  
  // Return all the elements in a clean array
  if ( num == null ) {
  return slice.call( this );
  }
  
  // Return just the one element from the set
  return num < 0 ? this[ num + this.length ] : this[ num ];
  },
  
  // Take an array of elements and push it onto the stack
  // (returning the new matched element set)
  pushStack: function( elems ) {
  
  // Build a new jQuery matched element set
  var ret = jQuery.merge( this.constructor(), elems );
  
  // Add the old object onto the stack (as a reference)
  ret.prevObject = this;
  
  // Return the newly-formed element set
  return ret;
  },
  
  // Execute a callback for every element in the matched set.
  each: function( callback ) {
  return jQuery.each( this, callback );
  },
  
  map: function( callback ) {
  return this.pushStack( jQuery.map( this, function( elem, i ) {
  return callback.call( elem, i, elem );
  } ) );
  },
  
  slice: function() {
  return this.pushStack( slice.apply( this, arguments ) );
  },
  
  first: function() {
  return this.eq( 0 );
  },
  
  last: function() {
  return this.eq( -1 );
  },
  
  eq: function( i ) {
  var len = this.length,
  j = +i + ( i < 0 ? len : 0 );
  return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
  },
  
  end: function() {
  return this.prevObject || this.constructor();
  },
  
  // For internal use only.
  // Behaves like an Array's method, not like a jQuery method.
  push: push,
  sort: arr.sort,
  splice: arr.splice
  };
  
  jQuery.extend = jQuery.fn.extend = function() {
  var options, name, src, copy, copyIsArray, clone,
  target = arguments[ 0 ] || {},
  i = 1,
  length = arguments.length,
  deep = false;
  
  // Handle a deep copy situation
  if ( typeof target === "boolean" ) {
  deep = target;
  
  // Skip the boolean and the target
  target = arguments[ i ] || {};
  i++;
  }
  
  // Handle case when target is a string or something (possible in deep copy)
  if ( typeof target !== "object" && !isFunction( target ) ) {
  target = {};
  }
  
  // Extend jQuery itself if only one argument is passed
  if ( i === length ) {
  target = this;
  i--;
  }
  
  for ( ; i < length; i++ ) {
  
  // Only deal with non-null/undefined values
  if ( ( options = arguments[ i ] ) != null ) {
  
  // Extend the base object
  for ( name in options ) {
  copy = options[ name ];
  
  // Prevent Object.prototype pollution
  // Prevent never-ending loop
  if ( name === "__proto__" || target === copy ) {
  continue;
  }
  
  // Recurse if we're merging plain objects or arrays
  if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
  ( copyIsArray = Array.isArray( copy ) ) ) ) {
  src = target[ name ];
  
  // Ensure proper type for the source value
  if ( copyIsArray && !Array.isArray( src ) ) {
  clone = [];
  } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
  clone = {};
  } else {
  clone = src;
  }
  copyIsArray = false;
  
  // Never move original objects, clone them
  target[ name ] = jQuery.extend( deep, clone, copy );
  
  // Don't bring in undefined values
  } else if ( copy !== undefined ) {
  target[ name ] = copy;
  }
  }
  }
  }
  
  // Return the modified object
  return target;
  };
  
  jQuery.extend( {
  
  // Unique for each copy of jQuery on the page
  expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
  
  // Assume jQuery is ready without the ready module
  isReady: true,
  
  error: function( msg ) {
  throw new Error( msg );
  },
  
  noop: function() {},
  
  isPlainObject: function( obj ) {
  var proto, Ctor;
  
  // Detect obvious negatives
  // Use toString instead of jQuery.type to catch host objects
  if ( !obj || toString.call( obj ) !== "[object Object]" ) {
  return false;
  }
  
  proto = getProto( obj );
  
  // Objects with no prototype (e.g., `Object.create( null )`) are plain
  if ( !proto ) {
  return true;
  }
  
  // Objects with prototype are plain iff they were constructed by a global Object function
  Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
  return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
  },
  
  isEmptyObject: function( obj ) {
  var name;
  
  for ( name in obj ) {
  return false;
  }
  return true;
  },
  
  // Evaluates a script in a global context
  globalEval: function( code, options ) {
  DOMEval( code, { nonce: options && options.nonce } );
  },
  
  each: function( obj, callback ) {
  var length, i = 0;
  
  if ( isArrayLike( obj ) ) {
  length = obj.length;
  for ( ; i < length; i++ ) {
  if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
  break;
  }
  }
  } else {
  for ( i in obj ) {
  if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
  break;
  }
  }
  }
  
  return obj;
  },
  
  // Support: Android <=4.0 only
  trim: function( text ) {
  return text == null ?
  "" :
  ( text + "" ).replace( rtrim, "" );
  },
  
  // results is for internal usage only
  makeArray: function( arr, results ) {
  var ret = results || [];
  
  if ( arr != null ) {
  if ( isArrayLike( Object( arr ) ) ) {
  jQuery.merge( ret,
  typeof arr === "string" ?
  [ arr ] : arr
  );
  } else {
  push.call( ret, arr );
  }
  }
  
  return ret;
  },
  
  inArray: function( elem, arr, i ) {
  return arr == null ? -1 : indexOf.call( arr, elem, i );
  },
  
  // Support: Android <=4.0 only, PhantomJS 1 only
  // push.apply(_, arraylike) throws on ancient WebKit
  merge: function( first, second ) {
  var len = +second.length,
  j = 0,
  i = first.length;
  
  for ( ; j < len; j++ ) {
  first[ i++ ] = second[ j ];
  }
  
  first.length = i;
  
  return first;
  },
  
  grep: function( elems, callback, invert ) {
  var callbackInverse,
  matches = [],
  i = 0,
  length = elems.length,
  callbackExpect = !invert;
  
  // Go through the array, only saving the items
  // that pass the validator function
  for ( ; i < length; i++ ) {
  callbackInverse = !callback( elems[ i ], i );
  if ( callbackInverse !== callbackExpect ) {
  matches.push( elems[ i ] );
  }
  }
  
  return matches;
  },
  
  // arg is for internal usage only
  map: function( elems, callback, arg ) {
  var length, value,
  i = 0,
  ret = [];
  
  // Go through the array, translating each of the items to their new values
  if ( isArrayLike( elems ) ) {
  length = elems.length;
  for ( ; i < length; i++ ) {
  value = callback( elems[ i ], i, arg );
  
  if ( value != null ) {
  ret.push( value );
  }
  }
  
  // Go through every key on the object,
  } else {
  for ( i in elems ) {
  value = callback( elems[ i ], i, arg );
  
  if ( value != null ) {
  ret.push( value );
  }
  }
  }
  
  // Flatten any nested arrays
  return concat.apply( [], ret );
  },
  
  // A global GUID counter for objects
  guid: 1,
  
  // jQuery.support is not used in Core but other projects attach their
  // properties to it so it needs to exist.
  support: support
  } );
  
  if ( typeof Symbol === "function" ) {
  jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
  }
  
  // Populate the class2type map
  jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
  function( i, name ) {
  class2type[ "[object " + name + "]" ] = name.toLowerCase();
  } );
  
  function isArrayLike( obj ) {
  
  // Support: real iOS 8.2 only (not reproducible in simulator)
  // `in` check used to prevent JIT error (gh-2145)
  // hasOwn isn't used here due to false negatives
  // regarding Nodelist length in IE
  var length = !!obj && "length" in obj && obj.length,
  type = toType( obj );
  
  if ( isFunction( obj ) || isWindow( obj ) ) {
  return false;
  }
  
  return type === "array" || length === 0 ||
  typeof length === "number" && length > 0 && ( length - 1 ) in obj;
  }
  var Sizzle =
  /*!
  * Sizzle CSS Selector Engine v2.3.4
  * https://sizzlejs.com/
  *
  * Copyright JS Foundation and other contributors
  * Released under the MIT license
  * https://js.foundation/
  *
  * Date: 2019-04-08
  */
  (function( window ) {
  
  var i,
  support,
  Expr,
  getText,
  isXML,
  tokenize,
  compile,
  select,
  outermostContext,
  sortInput,
  hasDuplicate,
  
  // Local document vars
  setDocument,
  document,
  docElem,
  documentIsHTML,
  rbuggyQSA,
  rbuggyMatches,
  matches,
  contains,
  
  // Instance-specific data
  expando = "sizzle" + 1 * new Date(),
  preferredDoc = window.document,
  dirruns = 0,
  done = 0,
  classCache = createCache(),
  tokenCache = createCache(),
  compilerCache = createCache(),
  nonnativeSelectorCache = createCache(),
  sortOrder = function( a, b ) {
  if ( a === b ) {
  hasDuplicate = true;
  }
  return 0;
  },
  
  // Instance methods
  hasOwn = ({}).hasOwnProperty,
  arr = [],
  pop = arr.pop,
  push_native = arr.push,
  push = arr.push,
  slice = arr.slice,
  // Use a stripped-down indexOf as it's faster than native
  // https://jsperf.com/thor-indexof-vs-for/5
  indexOf = function( list, elem ) {
  var i = 0,
  len = list.length;
  for ( ; i < len; i++ ) {
  if ( list[i] === elem ) {
  return i;
  }
  }
  return -1;
  },
  
  booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
  
  // Regular expressions
  
  // http://www.w3.org/TR/css3-selectors/#whitespace
  whitespace = "[\\x20\\t\\r\\n\\f]",
  
  // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
  identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
  
  // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
  attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
  // Operator (capture 2)
  "*([*^$|!~]?=)" + whitespace +
  // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
  "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
  "*\\]",
  
  pseudos = ":(" + identifier + ")(?:\\((" +
  // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
  // 1. quoted (capture 3; capture 4 or capture 5)
  "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
  // 2. simple (capture 6)
  "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
  // 3. anything else (capture 2)
  ".*" +
  ")\\)|)",
  
  // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
  rwhitespace = new RegExp( whitespace + "+", "g" ),
  rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
  
  rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
  rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
  rdescend = new RegExp( whitespace + "|>" ),
  
  rpseudo = new RegExp( pseudos ),
  ridentifier = new RegExp( "^" + identifier + "$" ),
  
  matchExpr = {
  "ID": new RegExp( "^#(" + identifier + ")" ),
  "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
  "TAG": new RegExp( "^(" + identifier + "|[*])" ),
  "ATTR": new RegExp( "^" + attributes ),
  "PSEUDO": new RegExp( "^" + pseudos ),
  "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
  "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
  "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
  "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
  // For use in libraries implementing .is()
  // We use this for POS matching in `select`
  "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
  whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
  },
  
  rhtml = /HTML$/i,
  rinputs = /^(?:input|select|textarea|button)$/i,
  rheader = /^h\d$/i,
  
  rnative = /^[^{]+\{\s*\[native \w/,
  
  // Easily-parseable/retrievable ID or TAG or CLASS selectors
  rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
  
  rsibling = /[+~]/,
  
  // CSS escapes
  // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
  runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
  funescape = function( _, escaped, escapedWhitespace ) {
  var high = "0x" + escaped - 0x10000;
  // NaN means non-codepoint
  // Support: Firefox<24
  // Workaround erroneous numeric interpretation of +"0x"
  return high !== high || escapedWhitespace ?
  escaped :
  high < 0 ?
  // BMP codepoint
  String.fromCharCode( high + 0x10000 ) :
  // Supplemental Plane codepoint (surrogate pair)
  String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
  },
  
  // CSS string/identifier serialization
  // https://drafts.csswg.org/cssom/#common-serializing-idioms
  rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
  fcssescape = function( ch, asCodePoint ) {
  if ( asCodePoint ) {
  
  // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
  if ( ch === "\0" ) {
  return "\uFFFD";
  }
  
  // Control characters and (dependent upon position) numbers get escaped as code points
  return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
  }
  
  // Other potentially-special ASCII characters get backslash-escaped
  return "\\" + ch;
  },
  
  // Used for iframes
  // See setDocument()
  // Removing the function wrapper causes a "Permission Denied"
  // error in IE
  unloadHandler = function() {
  setDocument();
  },
  
  inDisabledFieldset = addCombinator(
  function( elem ) {
  return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
  },
  { dir: "parentNode", next: "legend" }
  );
  
  // Optimize for push.apply( _, NodeList )
  try {
  push.apply(
  (arr = slice.call( preferredDoc.childNodes )),
  preferredDoc.childNodes
  );
  // Support: Android<4.0
  // Detect silently failing push.apply
  arr[ preferredDoc.childNodes.length ].nodeType;
  } catch ( e ) {
  push = { apply: arr.length ?
  
  // Leverage slice if possible
  function( target, els ) {
  push_native.apply( target, slice.call(els) );
  } :
  
  // Support: IE<9
  // Otherwise append directly
  function( target, els ) {
  var j = target.length,
  i = 0;
  // Can't trust NodeList.length
  while ( (target[j++] = els[i++]) ) {}
  target.length = j - 1;
  }
  };
  }
  
  function Sizzle( selector, context, results, seed ) {
  var m, i, elem, nid, match, groups, newSelector,
  newContext = context && context.ownerDocument,
  
  // nodeType defaults to 9, since context defaults to document
  nodeType = context ? context.nodeType : 9;
  
  results = results || [];
  
  // Return early from calls with invalid selector or context
  if ( typeof selector !== "string" || !selector ||
  nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
  
  return results;
  }
  
  // Try to shortcut find operations (as opposed to filters) in HTML documents
  if ( !seed ) {
  
  if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
  setDocument( context );
  }
  context = context || document;
  
  if ( documentIsHTML ) {
  
  // If the selector is sufficiently simple, try using a "get*By*" DOM method
  // (excepting DocumentFragment context, where the methods don't exist)
  if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
  
  // ID selector
  if ( (m = match[1]) ) {
  
  // Document context
  if ( nodeType === 9 ) {
  if ( (elem = context.getElementById( m )) ) {
  
  // Support: IE, Opera, Webkit
  // TODO: identify versions
  // getElementById can match elements by name instead of ID
  if ( elem.id === m ) {
  results.push( elem );
  return results;
  }
  } else {
  return results;
  }
  
  // Element context
  } else {
  
  // Support: IE, Opera, Webkit
  // TODO: identify versions
  // getElementById can match elements by name instead of ID
  if ( newContext && (elem = newContext.getElementById( m )) &&
  contains( context, elem ) &&
  elem.id === m ) {
  
  results.push( elem );
  return results;
  }
  }
  
  // Type selector
  } else if ( match[2] ) {
  push.apply( results, context.getElementsByTagName( selector ) );
  return results;
  
  // Class selector
  } else if ( (m = match[3]) && support.getElementsByClassName &&
  context.getElementsByClassName ) {
  
  push.apply( results, context.getElementsByClassName( m ) );
  return results;
  }
  }
  
  // Take advantage of querySelectorAll
  if ( support.qsa &&
  !nonnativeSelectorCache[ selector + " " ] &&
  (!rbuggyQSA || !rbuggyQSA.test( selector )) &&
  
  // Support: IE 8 only
  // Exclude object elements
  (nodeType !== 1 || context.nodeName.toLowerCase() !== "object") ) {
  
  newSelector = selector;
  newContext = context;
  
  // qSA considers elements outside a scoping root when evaluating child or
  // descendant combinators, which is not what we want.
  // In such cases, we work around the behavior by prefixing every selector in the
  // list with an ID selector referencing the scope context.
  // Thanks to Andrew Dupont for this technique.
  if ( nodeType === 1 && rdescend.test( selector ) ) {
  
  // Capture the context ID, setting it first if necessary
  if ( (nid = context.getAttribute( "id" )) ) {
  nid = nid.replace( rcssescape, fcssescape );
  } else {
  context.setAttribute( "id", (nid = expando) );
  }
  
  // Prefix every selector in the list
  groups = tokenize( selector );
  i = groups.length;
  while ( i-- ) {
  groups[i] = "#" + nid + " " + toSelector( groups[i] );
  }
  newSelector = groups.join( "," );
  
  // Expand context for sibling selectors
  newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
  context;
  }
  
  try {
  push.apply( results,
  newContext.querySelectorAll( newSelector )
  );
  return results;
  } catch ( qsaError ) {
  nonnativeSelectorCache( selector, true );
  } finally {
  if ( nid === expando ) {
  context.removeAttribute( "id" );
  }
  }
  }
  }
  }
  
  // All others
  return select( selector.replace( rtrim, "$1" ), context, results, seed );
  }
  
  /**
  * Create key-value caches of limited size
  * @returns {function(string, object)} Returns the Object data after storing it on itself with
  *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
  *	deleting the oldest entry
  */
  function createCache() {
  var keys = [];
  
  function cache( key, value ) {
  // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
  if ( keys.push( key + " " ) > Expr.cacheLength ) {
  // Only keep the most recent entries
  delete cache[ keys.shift() ];
  }
  return (cache[ key + " " ] = value);
  }
  return cache;
  }
  
  /**
  * Mark a function for special use by Sizzle
  * @param {Function} fn The function to mark
  */
  function markFunction( fn ) {
  fn[ expando ] = true;
  return fn;
  }
  
  /**
  * Support testing using an element
  * @param {Function} fn Passed the created element and returns a boolean result
  */
  function assert( fn ) {
  var el = document.createElement("fieldset");
  
  try {
  return !!fn( el );
  } catch (e) {
  return false;
  } finally {
  // Remove from its parent by default
  if ( el.parentNode ) {
  el.parentNode.removeChild( el );
  }
  // release memory in IE
  el = null;
  }
  }
  
  /**
  * Adds the same handler for all of the specified attrs
  * @param {String} attrs Pipe-separated list of attributes
  * @param {Function} handler The method that will be applied
  */
  function addHandle( attrs, handler ) {
  var arr = attrs.split("|"),
  i = arr.length;
  
  while ( i-- ) {
  Expr.attrHandle[ arr[i] ] = handler;
  }
  }
  
  /**
  * Checks document order of two siblings
  * @param {Element} a
  * @param {Element} b
  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
  */
  function siblingCheck( a, b ) {
  var cur = b && a,
  diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
  a.sourceIndex - b.sourceIndex;
  
  // Use IE sourceIndex if available on both nodes
  if ( diff ) {
  return diff;
  }
  
  // Check if b follows a
  if ( cur ) {
  while ( (cur = cur.nextSibling) ) {
  if ( cur === b ) {
  return -1;
  }
  }
  }
  
  return a ? 1 : -1;
  }
  
  /**
  * Returns a function to use in pseudos for input types
  * @param {String} type
  */
  function createInputPseudo( type ) {
  return function( elem ) {
  var name = elem.nodeName.toLowerCase();
  return name === "input" && elem.type === type;
  };
  }
  
  /**
  * Returns a function to use in pseudos for buttons
  * @param {String} type
  */
  function createButtonPseudo( type ) {
  return function( elem ) {
  var name = elem.nodeName.toLowerCase();
  return (name === "input" || name === "button") && elem.type === type;
  };
  }
  
  /**
  * Returns a function to use in pseudos for :enabled/:disabled
  * @param {Boolean} disabled true for :disabled; false for :enabled
  */
  function createDisabledPseudo( disabled ) {
  
  // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
  return function( elem ) {
  
  // Only certain elements can match :enabled or :disabled
  // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
  // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
  if ( "form" in elem ) {
  
  // Check for inherited disabledness on relevant non-disabled elements:
  // * listed form-associated elements in a disabled fieldset
  //   https://html.spec.whatwg.org/multipage/forms.html#category-listed
  //   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
  // * option elements in a disabled optgroup
  //   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
  // All such elements have a "form" property.
  if ( elem.parentNode && elem.disabled === false ) {
  
  // Option elements defer to a parent optgroup if present
  if ( "label" in elem ) {
  if ( "label" in elem.parentNode ) {
  return elem.parentNode.disabled === disabled;
  } else {
  return elem.disabled === disabled;
  }
  }
  
  // Support: IE 6 - 11
  // Use the isDisabled shortcut property to check for disabled fieldset ancestors
  return elem.isDisabled === disabled ||
  
  // Where there is no isDisabled, check manually
  /* jshint -W018 */
  elem.isDisabled !== !disabled &&
  inDisabledFieldset( elem ) === disabled;
  }
  
  return elem.disabled === disabled;
  
  // Try to winnow out elements that can't be disabled before trusting the disabled property.
  // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
  // even exist on them, let alone have a boolean value.
  } else if ( "label" in elem ) {
  return elem.disabled === disabled;
  }
  
  // Remaining elements are neither :enabled nor :disabled
  return false;
  };
  }
  
  /**
  * Returns a function to use in pseudos for positionals
  * @param {Function} fn
  */
  function createPositionalPseudo( fn ) {
  return markFunction(function( argument ) {
  argument = +argument;
  return markFunction(function( seed, matches ) {
  var j,
  matchIndexes = fn( [], seed.length, argument ),
  i = matchIndexes.length;
  
  // Match elements found at the specified indexes
  while ( i-- ) {
  if ( seed[ (j = matchIndexes[i]) ] ) {
  seed[j] = !(matches[j] = seed[j]);
  }
  }
  });
  });
  }
  
  /**
  * Checks a node for validity as a Sizzle context
  * @param {Element|Object=} context
  * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
  */
  function testContext( context ) {
  return context && typeof context.getElementsByTagName !== "undefined" && context;
  }
  
  // Expose support vars for convenience
  support = Sizzle.support = {};
  
  /**
  * Detects XML nodes
  * @param {Element|Object} elem An element or a document
  * @returns {Boolean} True iff elem is a non-HTML XML node
  */
  isXML = Sizzle.isXML = function( elem ) {
  var namespace = elem.namespaceURI,
  docElem = (elem.ownerDocument || elem).documentElement;
  
  // Support: IE <=8
  // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
  // https://bugs.jquery.com/ticket/4833
  return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
  };
  
  /**
  * Sets document-related variables once based on the current document
  * @param {Element|Object} [doc] An element or document object to use to set the document
  * @returns {Object} Returns the current document
  */
  setDocument = Sizzle.setDocument = function( node ) {
  var hasCompare, subWindow,
  doc = node ? node.ownerDocument || node : preferredDoc;
  
  // Return early if doc is invalid or already selected
  if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
  return document;
  }
  
  // Update global variables
  document = doc;
  docElem = document.documentElement;
  documentIsHTML = !isXML( document );
  
  // Support: IE 9-11, Edge
  // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
  if ( preferredDoc !== document &&
  (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
  
  // Support: IE 11, Edge
  if ( subWindow.addEventListener ) {
  subWindow.addEventListener( "unload", unloadHandler, false );
  
  // Support: IE 9 - 10 only
  } else if ( subWindow.attachEvent ) {
  subWindow.attachEvent( "onunload", unloadHandler );
  }
  }
  
  /* Attributes
  ---------------------------------------------------------------------- */
  
  // Support: IE<8
  // Verify that getAttribute really returns attributes and not properties
  // (excepting IE8 booleans)
  support.attributes = assert(function( el ) {
  el.className = "i";
  return !el.getAttribute("className");
  });
  
  /* getElement(s)By*
  ---------------------------------------------------------------------- */
  
  // Check if getElementsByTagName("*") returns only elements
  support.getElementsByTagName = assert(function( el ) {
  el.appendChild( document.createComment("") );
  return !el.getElementsByTagName("*").length;
  });
  
  // Support: IE<9
  support.getElementsByClassName = rnative.test( document.getElementsByClassName );
  
  // Support: IE<10
  // Check if getElementById returns elements by name
  // The broken getElementById methods don't pick up programmatically-set names,
  // so use a roundabout getElementsByName test
  support.getById = assert(function( el ) {
  docElem.appendChild( el ).id = expando;
  return !document.getElementsByName || !document.getElementsByName( expando ).length;
  });
  
  // ID filter and find
  if ( support.getById ) {
  Expr.filter["ID"] = function( id ) {
  var attrId = id.replace( runescape, funescape );
  return function( elem ) {
  return elem.getAttribute("id") === attrId;
  };
  };
  Expr.find["ID"] = function( id, context ) {
  if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
  var elem = context.getElementById( id );
  return elem ? [ elem ] : [];
  }
  };
  } else {
  Expr.filter["ID"] =  function( id ) {
  var attrId = id.replace( runescape, funescape );
  return function( elem ) {
  var node = typeof elem.getAttributeNode !== "undefined" &&
  elem.getAttributeNode("id");
  return node && node.value === attrId;
  };
  };
  
  // Support: IE 6 - 7 only
  // getElementById is not reliable as a find shortcut
  Expr.find["ID"] = function( id, context ) {
  if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
  var node, i, elems,
  elem = context.getElementById( id );
  
  if ( elem ) {
  
  // Verify the id attribute
  node = elem.getAttributeNode("id");
  if ( node && node.value === id ) {
  return [ elem ];
  }
  
  // Fall back on getElementsByName
  elems = context.getElementsByName( id );
  i = 0;
  while ( (elem = elems[i++]) ) {
  node = elem.getAttributeNode("id");
  if ( node && node.value === id ) {
  return [ elem ];
  }
  }
  }
  
  return [];
  }
  };
  }
  
  // Tag
  Expr.find["TAG"] = support.getElementsByTagName ?
  function( tag, context ) {
  if ( typeof context.getElementsByTagName !== "undefined" ) {
  return context.getElementsByTagName( tag );
  
  // DocumentFragment nodes don't have gEBTN
  } else if ( support.qsa ) {
  return context.querySelectorAll( tag );
  }
  } :
  
  function( tag, context ) {
  var elem,
  tmp = [],
  i = 0,
  // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
  results = context.getElementsByTagName( tag );
  
  // Filter out possible comments
  if ( tag === "*" ) {
  while ( (elem = results[i++]) ) {
  if ( elem.nodeType === 1 ) {
  tmp.push( elem );
  }
  }
  
  return tmp;
  }
  return results;
  };
  
  // Class
  Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
  if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
  return context.getElementsByClassName( className );
  }
  };
  
  /* QSA/matchesSelector
  ---------------------------------------------------------------------- */
  
  // QSA and matchesSelector support
  
  // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
  rbuggyMatches = [];
  
  // qSa(:focus) reports false when true (Chrome 21)
  // We allow this because of a bug in IE8/9 that throws an error
  // whenever `document.activeElement` is accessed on an iframe
  // So, we allow :focus to pass through QSA all the time to avoid the IE error
  // See https://bugs.jquery.com/ticket/13378
  rbuggyQSA = [];
  
  if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
  // Build QSA regex
  // Regex strategy adopted from Diego Perini
  assert(function( el ) {
  // Select is set to empty string on purpose
  // This is to test IE's treatment of not explicitly
  // setting a boolean content attribute,
  // since its presence should be enough
  // https://bugs.jquery.com/ticket/12359
  docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
  "<select id='" + expando + "-\r\\' msallowcapture=''>" +
  "<option selected=''></option></select>";
  
  // Support: IE8, Opera 11-12.16
  // Nothing should be selected when empty strings follow ^= or $= or *=
  // The test attribute must be unknown in Opera but "safe" for WinRT
  // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
  if ( el.querySelectorAll("[msallowcapture^='']").length ) {
  rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
  }
  
  // Support: IE8
  // Boolean attributes and "value" are not treated correctly
  if ( !el.querySelectorAll("[selected]").length ) {
  rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
  }
  
  // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
  if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
  rbuggyQSA.push("~=");
  }
  
  // Webkit/Opera - :checked should return selected option elements
  // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
  // IE8 throws error here and will not see later tests
  if ( !el.querySelectorAll(":checked").length ) {
  rbuggyQSA.push(":checked");
  }
  
  // Support: Safari 8+, iOS 8+
  // https://bugs.webkit.org/show_bug.cgi?id=136851
  // In-page `selector#id sibling-combinator selector` fails
  if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
  rbuggyQSA.push(".#.+[+~]");
  }
  });
  
  assert(function( el ) {
  el.innerHTML = "<a href='' disabled='disabled'></a>" +
  "<select disabled='disabled'><option/></select>";
  
  // Support: Windows 8 Native Apps
  // The type and name attributes are restricted during .innerHTML assignment
  var input = document.createElement("input");
  input.setAttribute( "type", "hidden" );
  el.appendChild( input ).setAttribute( "name", "D" );
  
  // Support: IE8
  // Enforce case-sensitivity of name attribute
  if ( el.querySelectorAll("[name=d]").length ) {
  rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
  }
  
  // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
  // IE8 throws error here and will not see later tests
  if ( el.querySelectorAll(":enabled").length !== 2 ) {
  rbuggyQSA.push( ":enabled", ":disabled" );
  }
  
  // Support: IE9-11+
  // IE's :disabled selector does not pick up the children of disabled fieldsets
  docElem.appendChild( el ).disabled = true;
  if ( el.querySelectorAll(":disabled").length !== 2 ) {
  rbuggyQSA.push( ":enabled", ":disabled" );
  }
  
  // Opera 10-11 does not throw on post-comma invalid pseudos
  el.querySelectorAll("*,:x");
  rbuggyQSA.push(",.*:");
  });
  }
  
  if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
  docElem.webkitMatchesSelector ||
  docElem.mozMatchesSelector ||
  docElem.oMatchesSelector ||
  docElem.msMatchesSelector) )) ) {
  
  assert(function( el ) {
  // Check to see if it's possible to do matchesSelector
  // on a disconnected node (IE 9)
  support.disconnectedMatch = matches.call( el, "*" );
  
  // This should fail with an exception
  // Gecko does not error, returns false instead
  matches.call( el, "[s!='']:x" );
  rbuggyMatches.push( "!=", pseudos );
  });
  }
  
  rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
  rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
  
  /* Contains
  ---------------------------------------------------------------------- */
  hasCompare = rnative.test( docElem.compareDocumentPosition );
  
  // Element contains another
  // Purposefully self-exclusive
  // As in, an element does not contain itself
  contains = hasCompare || rnative.test( docElem.contains ) ?
  function( a, b ) {
  var adown = a.nodeType === 9 ? a.documentElement : a,
  bup = b && b.parentNode;
  return a === bup || !!( bup && bup.nodeType === 1 && (
  adown.contains ?
  adown.contains( bup ) :
  a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
  ));
  } :
  function( a, b ) {
  if ( b ) {
  while ( (b = b.parentNode) ) {
  if ( b === a ) {
  return true;
  }
  }
  }
  return false;
  };
  
  /* Sorting
  ---------------------------------------------------------------------- */
  
  // Document order sorting
  sortOrder = hasCompare ?
  function( a, b ) {
  
  // Flag for duplicate removal
  if ( a === b ) {
  hasDuplicate = true;
  return 0;
  }
  
  // Sort on method existence if only one input has compareDocumentPosition
  var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
  if ( compare ) {
  return compare;
  }
  
  // Calculate position if both inputs belong to the same document
  compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
  a.compareDocumentPosition( b ) :
  
  // Otherwise we know they are disconnected
  1;
  
  // Disconnected nodes
  if ( compare & 1 ||
  (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
  
  // Choose the first element that is related to our preferred document
  if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
  return -1;
  }
  if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
  return 1;
  }
  
  // Maintain original order
  return sortInput ?
  ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
  0;
  }
  
  return compare & 4 ? -1 : 1;
  } :
  function( a, b ) {
  // Exit early if the nodes are identical
  if ( a === b ) {
  hasDuplicate = true;
  return 0;
  }
  
  var cur,
  i = 0,
  aup = a.parentNode,
  bup = b.parentNode,
  ap = [ a ],
  bp = [ b ];
  
  // Parentless nodes are either documents or disconnected
  if ( !aup || !bup ) {
  return a === document ? -1 :
  b === document ? 1 :
  aup ? -1 :
  bup ? 1 :
  sortInput ?
  ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
  0;
  
  // If the nodes are siblings, we can do a quick check
  } else if ( aup === bup ) {
  return siblingCheck( a, b );
  }
  
  // Otherwise we need full lists of their ancestors for comparison
  cur = a;
  while ( (cur = cur.parentNode) ) {
  ap.unshift( cur );
  }
  cur = b;
  while ( (cur = cur.parentNode) ) {
  bp.unshift( cur );
  }
  
  // Walk down the tree looking for a discrepancy
  while ( ap[i] === bp[i] ) {
  i++;
  }
  
  return i ?
  // Do a sibling check if the nodes have a common ancestor
  siblingCheck( ap[i], bp[i] ) :
  
  // Otherwise nodes in our document sort first
  ap[i] === preferredDoc ? -1 :
  bp[i] === preferredDoc ? 1 :
  0;
  };
  
  return document;
  };
  
  Sizzle.matches = function( expr, elements ) {
  return Sizzle( expr, null, null, elements );
  };
  
  Sizzle.matchesSelector = function( elem, expr ) {
  // Set document vars if needed
  if ( ( elem.ownerDocument || elem ) !== document ) {
  setDocument( elem );
  }
  
  if ( support.matchesSelector && documentIsHTML &&
  !nonnativeSelectorCache[ expr + " " ] &&
  ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
  ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
  
  try {
  var ret = matches.call( elem, expr );
  
  // IE 9's matchesSelector returns false on disconnected nodes
  if ( ret || support.disconnectedMatch ||
  // As well, disconnected nodes are said to be in a document
  // fragment in IE 9
  elem.document && elem.document.nodeType !== 11 ) {
  return ret;
  }
  } catch (e) {
  nonnativeSelectorCache( expr, true );
  }
  }
  
  return Sizzle( expr, document, null, [ elem ] ).length > 0;
  };
  
  Sizzle.contains = function( context, elem ) {
  // Set document vars if needed
  if ( ( context.ownerDocument || context ) !== document ) {
  setDocument( context );
  }
  return contains( context, elem );
  };
  
  Sizzle.attr = function( elem, name ) {
  // Set document vars if needed
  if ( ( elem.ownerDocument || elem ) !== document ) {
  setDocument( elem );
  }
  
  var fn = Expr.attrHandle[ name.toLowerCase() ],
  // Don't get fooled by Object.prototype properties (jQuery #13807)
  val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
  fn( elem, name, !documentIsHTML ) :
  undefined;
  
  return val !== undefined ?
  val :
  support.attributes || !documentIsHTML ?
  elem.getAttribute( name ) :
  (val = elem.getAttributeNode(name)) && val.specified ?
  val.value :
  null;
  };
  
  Sizzle.escape = function( sel ) {
  return (sel + "").replace( rcssescape, fcssescape );
  };
  
  Sizzle.error = function( msg ) {
  throw new Error( "Syntax error, unrecognized expression: " + msg );
  };
  
  /**
  * Document sorting and removing duplicates
  * @param {ArrayLike} results
  */
  Sizzle.uniqueSort = function( results ) {
  var elem,
  duplicates = [],
  j = 0,
  i = 0;
  
  // Unless we *know* we can detect duplicates, assume their presence
  hasDuplicate = !support.detectDuplicates;
  sortInput = !support.sortStable && results.slice( 0 );
  results.sort( sortOrder );
  
  if ( hasDuplicate ) {
  while ( (elem = results[i++]) ) {
  if ( elem === results[ i ] ) {
  j = duplicates.push( i );
  }
  }
  while ( j-- ) {
  results.splice( duplicates[ j ], 1 );
  }
  }
  
  // Clear input after sorting to release objects
  // See https://github.com/jquery/sizzle/pull/225
  sortInput = null;
  
  return results;
  };
  
  /**
  * Utility function for retrieving the text value of an array of DOM nodes
  * @param {Array|Element} elem
  */
  getText = Sizzle.getText = function( elem ) {
  var node,
  ret = "",
  i = 0,
  nodeType = elem.nodeType;
  
  if ( !nodeType ) {
  // If no nodeType, this is expected to be an array
  while ( (node = elem[i++]) ) {
  // Do not traverse comment nodes
  ret += getText( node );
  }
  } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
  // Use textContent for elements
  // innerText usage removed for consistency of new lines (jQuery #11153)
  if ( typeof elem.textContent === "string" ) {
  return elem.textContent;
  } else {
  // Traverse its children
  for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
  ret += getText( elem );
  }
  }
  } else if ( nodeType === 3 || nodeType === 4 ) {
  return elem.nodeValue;
  }
  // Do not include comment or processing instruction nodes
  
  return ret;
  };
  
  Expr = Sizzle.selectors = {
  
  // Can be adjusted by the user
  cacheLength: 50,
  
  createPseudo: markFunction,
  
  match: matchExpr,
  
  attrHandle: {},
  
  find: {},
  
  relative: {
  ">": { dir: "parentNode", first: true },
  " ": { dir: "parentNode" },
  "+": { dir: "previousSibling", first: true },
  "~": { dir: "previousSibling" }
  },
  
  preFilter: {
  "ATTR": function( match ) {
  match[1] = match[1].replace( runescape, funescape );
  
  // Move the given value to match[3] whether quoted or unquoted
  match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
  
  if ( match[2] === "~=" ) {
  match[3] = " " + match[3] + " ";
  }
  
  return match.slice( 0, 4 );
  },
  
  "CHILD": function( match ) {
  /* matches from matchExpr["CHILD"]
  1 type (only|nth|...)
  2 what (child|of-type)
  3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
  4 xn-component of xn+y argument ([+-]?\d*n|)
  5 sign of xn-component
  6 x of xn-component
  7 sign of y-component
  8 y of y-component
  */
  match[1] = match[1].toLowerCase();
  
  if ( match[1].slice( 0, 3 ) === "nth" ) {
  // nth-* requires argument
  if ( !match[3] ) {
  Sizzle.error( match[0] );
  }
  
  // numeric x and y parameters for Expr.filter.CHILD
  // remember that false/true cast respectively to 0/1
  match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
  match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
  
  // other types prohibit arguments
  } else if ( match[3] ) {
  Sizzle.error( match[0] );
  }
  
  return match;
  },
  
  "PSEUDO": function( match ) {
  var excess,
  unquoted = !match[6] && match[2];
  
  if ( matchExpr["CHILD"].test( match[0] ) ) {
  return null;
  }
  
  // Accept quoted arguments as-is
  if ( match[3] ) {
  match[2] = match[4] || match[5] || "";
  
  // Strip excess characters from unquoted arguments
  } else if ( unquoted && rpseudo.test( unquoted ) &&
  // Get excess from tokenize (recursively)
  (excess = tokenize( unquoted, true )) &&
  // advance to the next closing parenthesis
  (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
  
  // excess is a negative index
  match[0] = match[0].slice( 0, excess );
  match[2] = unquoted.slice( 0, excess );
  }
  
  // Return only captures needed by the pseudo filter method (type and argument)
  return match.slice( 0, 3 );
  }
  },
  
  filter: {
  
  "TAG": function( nodeNameSelector ) {
  var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
  return nodeNameSelector === "*" ?
  function() { return true; } :
  function( elem ) {
  return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
  };
  },
  
  "CLASS": function( className ) {
  var pattern = classCache[ className + " " ];
  
  return pattern ||
  (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
  classCache( className, function( elem ) {
  return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
  });
  },
  
  "ATTR": function( name, operator, check ) {
  return function( elem ) {
  var result = Sizzle.attr( elem, name );
  
  if ( result == null ) {
  return operator === "!=";
  }
  if ( !operator ) {
  return true;
  }
  
  result += "";
  
  return operator === "=" ? result === check :
  operator === "!=" ? result !== check :
  operator === "^=" ? check && result.indexOf( check ) === 0 :
  operator === "*=" ? check && result.indexOf( check ) > -1 :
  operator === "$=" ? check && result.slice( -check.length ) === check :
  operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
  operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
  false;
  };
  },
  
  "CHILD": function( type, what, argument, first, last ) {
  var simple = type.slice( 0, 3 ) !== "nth",
  forward = type.slice( -4 ) !== "last",
  ofType = what === "of-type";
  
  return first === 1 && last === 0 ?
  
  // Shortcut for :nth-*(n)
  function( elem ) {
  return !!elem.parentNode;
  } :
  
  function( elem, context, xml ) {
  var cache, uniqueCache, outerCache, node, nodeIndex, start,
  dir = simple !== forward ? "nextSibling" : "previousSibling",
  parent = elem.parentNode,
  name = ofType && elem.nodeName.toLowerCase(),
  useCache = !xml && !ofType,
  diff = false;
  
  if ( parent ) {
  
  // :(first|last|only)-(child|of-type)
  if ( simple ) {
  while ( dir ) {
  node = elem;
  while ( (node = node[ dir ]) ) {
  if ( ofType ?
  node.nodeName.toLowerCase() === name :
  node.nodeType === 1 ) {
  
  return false;
  }
  }
  // Reverse direction for :only-* (if we haven't yet done so)
  start = dir = type === "only" && !start && "nextSibling";
  }
  return true;
  }
  
  start = [ forward ? parent.firstChild : parent.lastChild ];
  
  // non-xml :nth-child(...) stores cache data on `parent`
  if ( forward && useCache ) {
  
  // Seek `elem` from a previously-cached index
  
  // ...in a gzip-friendly way
  node = parent;
  outerCache = node[ expando ] || (node[ expando ] = {});
  
  // Support: IE <9 only
  // Defend against cloned attroperties (jQuery gh-1709)
  uniqueCache = outerCache[ node.uniqueID ] ||
  (outerCache[ node.uniqueID ] = {});
  
  cache = uniqueCache[ type ] || [];
  nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
  diff = nodeIndex && cache[ 2 ];
  node = nodeIndex && parent.childNodes[ nodeIndex ];
  
  while ( (node = ++nodeIndex && node && node[ dir ] ||
  
  // Fallback to seeking `elem` from the start
  (diff = nodeIndex = 0) || start.pop()) ) {
  
  // When found, cache indexes on `parent` and break
  if ( node.nodeType === 1 && ++diff && node === elem ) {
  uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
  break;
  }
  }
  
  } else {
  // Use previously-cached element index if available
  if ( useCache ) {
  // ...in a gzip-friendly way
  node = elem;
  outerCache = node[ expando ] || (node[ expando ] = {});
  
  // Support: IE <9 only
  // Defend against cloned attroperties (jQuery gh-1709)
  uniqueCache = outerCache[ node.uniqueID ] ||
  (outerCache[ node.uniqueID ] = {});
  
  cache = uniqueCache[ type ] || [];
  nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
  diff = nodeIndex;
  }
  
  // xml :nth-child(...)
  // or :nth-last-child(...) or :nth(-last)?-of-type(...)
  if ( diff === false ) {
  // Use the same loop as above to seek `elem` from the start
  while ( (node = ++nodeIndex && node && node[ dir ] ||
  (diff = nodeIndex = 0) || start.pop()) ) {
  
  if ( ( ofType ?
  node.nodeName.toLowerCase() === name :
  node.nodeType === 1 ) &&
  ++diff ) {
  
  // Cache the index of each encountered element
  if ( useCache ) {
  outerCache = node[ expando ] || (node[ expando ] = {});
  
  // Support: IE <9 only
  // Defend against cloned attroperties (jQuery gh-1709)
  uniqueCache = outerCache[ node.uniqueID ] ||
  (outerCache[ node.uniqueID ] = {});
  
  uniqueCache[ type ] = [ dirruns, diff ];
  }
  
  if ( node === elem ) {
  break;
  }
  }
  }
  }
  }
  
  // Incorporate the offset, then check against cycle size
  diff -= last;
  return diff === first || ( diff % first === 0 && diff / first >= 0 );
  }
  };
  },
  
  "PSEUDO": function( pseudo, argument ) {
  // pseudo-class names are case-insensitive
  // http://www.w3.org/TR/selectors/#pseudo-classes
  // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
  // Remember that setFilters inherits from pseudos
  var args,
  fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
  Sizzle.error( "unsupported pseudo: " + pseudo );
  
  // The user may use createPseudo to indicate that
  // arguments are needed to create the filter function
  // just as Sizzle does
  if ( fn[ expando ] ) {
  return fn( argument );
  }
  
  // But maintain support for old signatures
  if ( fn.length > 1 ) {
  args = [ pseudo, pseudo, "", argument ];
  return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
  markFunction(function( seed, matches ) {
  var idx,
  matched = fn( seed, argument ),
  i = matched.length;
  while ( i-- ) {
  idx = indexOf( seed, matched[i] );
  seed[ idx ] = !( matches[ idx ] = matched[i] );
  }
  }) :
  function( elem ) {
  return fn( elem, 0, args );
  };
  }
  
  return fn;
  }
  },
  
  pseudos: {
  // Potentially complex pseudos
  "not": markFunction(function( selector ) {
  // Trim the selector passed to compile
  // to avoid treating leading and trailing
  // spaces as combinators
  var input = [],
  results = [],
  matcher = compile( selector.replace( rtrim, "$1" ) );
  
  return matcher[ expando ] ?
  markFunction(function( seed, matches, context, xml ) {
  var elem,
  unmatched = matcher( seed, null, xml, [] ),
  i = seed.length;
  
  // Match elements unmatched by `matcher`
  while ( i-- ) {
  if ( (elem = unmatched[i]) ) {
  seed[i] = !(matches[i] = elem);
  }
  }
  }) :
  function( elem, context, xml ) {
  input[0] = elem;
  matcher( input, null, xml, results );
  // Don't keep the element (issue #299)
  input[0] = null;
  return !results.pop();
  };
  }),
  
  "has": markFunction(function( selector ) {
  return function( elem ) {
  return Sizzle( selector, elem ).length > 0;
  };
  }),
  
  "contains": markFunction(function( text ) {
  text = text.replace( runescape, funescape );
  return function( elem ) {
  return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
  };
  }),
  
  // "Whether an element is represented by a :lang() selector
  // is based solely on the element's language value
  // being equal to the identifier C,
  // or beginning with the identifier C immediately followed by "-".
  // The matching of C against the element's language value is performed case-insensitively.
  // The identifier C does not have to be a valid language name."
  // http://www.w3.org/TR/selectors/#lang-pseudo
  "lang": markFunction( function( lang ) {
  // lang value must be a valid identifier
  if ( !ridentifier.test(lang || "") ) {
  Sizzle.error( "unsupported lang: " + lang );
  }
  lang = lang.replace( runescape, funescape ).toLowerCase();
  return function( elem ) {
  var elemLang;
  do {
  if ( (elemLang = documentIsHTML ?
  elem.lang :
  elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
  
  elemLang = elemLang.toLowerCase();
  return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
  }
  } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
  return false;
  };
  }),
  
  // Miscellaneous
  "target": function( elem ) {
  var hash = window.location && window.location.hash;
  return hash && hash.slice( 1 ) === elem.id;
  },
  
  "root": function( elem ) {
  return elem === docElem;
  },
  
  "focus": function( elem ) {
  return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
  },
  
  // Boolean properties
  "enabled": createDisabledPseudo( false ),
  "disabled": createDisabledPseudo( true ),
  
  "checked": function( elem ) {
  // In CSS3, :checked should return both checked and selected elements
  // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
  var nodeName = elem.nodeName.toLowerCase();
  return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
  },
  
  "selected": function( elem ) {
  // Accessing this property makes selected-by-default
  // options in Safari work properly
  if ( elem.parentNode ) {
  elem.parentNode.selectedIndex;
  }
  
  return elem.selected === true;
  },
  
  // Contents
  "empty": function( elem ) {
  // http://www.w3.org/TR/selectors/#empty-pseudo
  // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
  //   but not by others (comment: 8; processing instruction: 7; etc.)
  // nodeType < 6 works because attributes (2) do not appear as children
  for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
  if ( elem.nodeType < 6 ) {
  return false;
  }
  }
  return true;
  },
  
  "parent": function( elem ) {
  return !Expr.pseudos["empty"]( elem );
  },
  
  // Element/input types
  "header": function( elem ) {
  return rheader.test( elem.nodeName );
  },
  
  "input": function( elem ) {
  return rinputs.test( elem.nodeName );
  },
  
  "button": function( elem ) {
  var name = elem.nodeName.toLowerCase();
  return name === "input" && elem.type === "button" || name === "button";
  },
  
  "text": function( elem ) {
  var attr;
  return elem.nodeName.toLowerCase() === "input" &&
  elem.type === "text" &&
  
  // Support: IE<8
  // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
  ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
  },
  
  // Position-in-collection
  "first": createPositionalPseudo(function() {
  return [ 0 ];
  }),
  
  "last": createPositionalPseudo(function( matchIndexes, length ) {
  return [ length - 1 ];
  }),
  
  "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
  return [ argument < 0 ? argument + length : argument ];
  }),
  
  "even": createPositionalPseudo(function( matchIndexes, length ) {
  var i = 0;
  for ( ; i < length; i += 2 ) {
  matchIndexes.push( i );
  }
  return matchIndexes;
  }),
  
  "odd": createPositionalPseudo(function( matchIndexes, length ) {
  var i = 1;
  for ( ; i < length; i += 2 ) {
  matchIndexes.push( i );
  }
  return matchIndexes;
  }),
  
  "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
  var i = argument < 0 ?
  argument + length :
  argument > length ?
  length :
  argument;
  for ( ; --i >= 0; ) {
  matchIndexes.push( i );
  }
  return matchIndexes;
  }),
  
  "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
  var i = argument < 0 ? argument + length : argument;
  for ( ; ++i < length; ) {
  matchIndexes.push( i );
  }
  return matchIndexes;
  })
  }
  };
  
  Expr.pseudos["nth"] = Expr.pseudos["eq"];
  
  // Add button/input type pseudos
  for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
  Expr.pseudos[ i ] = createInputPseudo( i );
  }
  for ( i in { submit: true, reset: true } ) {
  Expr.pseudos[ i ] = createButtonPseudo( i );
  }
  
  // Easy API for creating new setFilters
  function setFilters() {}
  setFilters.prototype = Expr.filters = Expr.pseudos;
  Expr.setFilters = new setFilters();
  
  tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
  var matched, match, tokens, type,
  soFar, groups, preFilters,
  cached = tokenCache[ selector + " " ];
  
  if ( cached ) {
  return parseOnly ? 0 : cached.slice( 0 );
  }
  
  soFar = selector;
  groups = [];
  preFilters = Expr.preFilter;
  
  while ( soFar ) {
  
  // Comma and first run
  if ( !matched || (match = rcomma.exec( soFar )) ) {
  if ( match ) {
  // Don't consume trailing commas as valid
  soFar = soFar.slice( match[0].length ) || soFar;
  }
  groups.push( (tokens = []) );
  }
  
  matched = false;
  
  // Combinators
  if ( (match = rcombinators.exec( soFar )) ) {
  matched = match.shift();
  tokens.push({
  value: matched,
  // Cast descendant combinators to space
  type: match[0].replace( rtrim, " " )
  });
  soFar = soFar.slice( matched.length );
  }
  
  // Filters
  for ( type in Expr.filter ) {
  if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
  (match = preFilters[ type ]( match ))) ) {
  matched = match.shift();
  tokens.push({
  value: matched,
  type: type,
  matches: match
  });
  soFar = soFar.slice( matched.length );
  }
  }
  
  if ( !matched ) {
  break;
  }
  }
  
  // Return the length of the invalid excess
  // if we're just parsing
  // Otherwise, throw an error or return tokens
  return parseOnly ?
  soFar.length :
  soFar ?
  Sizzle.error( selector ) :
  // Cache the tokens
  tokenCache( selector, groups ).slice( 0 );
  };
  
  function toSelector( tokens ) {
  var i = 0,
  len = tokens.length,
  selector = "";
  for ( ; i < len; i++ ) {
  selector += tokens[i].value;
  }
  return selector;
  }
  
  function addCombinator( matcher, combinator, base ) {
  var dir = combinator.dir,
  skip = combinator.next,
  key = skip || dir,
  checkNonElements = base && key === "parentNode",
  doneName = done++;
  
  return combinator.first ?
  // Check against closest ancestor/preceding element
  function( elem, context, xml ) {
  while ( (elem = elem[ dir ]) ) {
  if ( elem.nodeType === 1 || checkNonElements ) {
  return matcher( elem, context, xml );
  }
  }
  return false;
  } :
  
  // Check against all ancestor/preceding elements
  function( elem, context, xml ) {
  var oldCache, uniqueCache, outerCache,
  newCache = [ dirruns, doneName ];
  
  // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
  if ( xml ) {
  while ( (elem = elem[ dir ]) ) {
  if ( elem.nodeType === 1 || checkNonElements ) {
  if ( matcher( elem, context, xml ) ) {
  return true;
  }
  }
  }
  } else {
  while ( (elem = elem[ dir ]) ) {
  if ( elem.nodeType === 1 || checkNonElements ) {
  outerCache = elem[ expando ] || (elem[ expando ] = {});
  
  // Support: IE <9 only
  // Defend against cloned attroperties (jQuery gh-1709)
  uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
  
  if ( skip && skip === elem.nodeName.toLowerCase() ) {
  elem = elem[ dir ] || elem;
  } else if ( (oldCache = uniqueCache[ key ]) &&
  oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
  
  // Assign to newCache so results back-propagate to previous elements
  return (newCache[ 2 ] = oldCache[ 2 ]);
  } else {
  // Reuse newcache so results back-propagate to previous elements
  uniqueCache[ key ] = newCache;
  
  // A match means we're done; a fail means we have to keep checking
  if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
  return true;
  }
  }
  }
  }
  }
  return false;
  };
  }
  
  function elementMatcher( matchers ) {
  return matchers.length > 1 ?
  function( elem, context, xml ) {
  var i = matchers.length;
  while ( i-- ) {
  if ( !matchers[i]( elem, context, xml ) ) {
  return false;
  }
  }
  return true;
  } :
  matchers[0];
  }
  
  function multipleContexts( selector, contexts, results ) {
  var i = 0,
  len = contexts.length;
  for ( ; i < len; i++ ) {
  Sizzle( selector, contexts[i], results );
  }
  return results;
  }
  
  function condense( unmatched, map, filter, context, xml ) {
  var elem,
  newUnmatched = [],
  i = 0,
  len = unmatched.length,
  mapped = map != null;
  
  for ( ; i < len; i++ ) {
  if ( (elem = unmatched[i]) ) {
  if ( !filter || filter( elem, context, xml ) ) {
  newUnmatched.push( elem );
  if ( mapped ) {
  map.push( i );
  }
  }
  }
  }
  
  return newUnmatched;
  }
  
  function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
  if ( postFilter && !postFilter[ expando ] ) {
  postFilter = setMatcher( postFilter );
  }
  if ( postFinder && !postFinder[ expando ] ) {
  postFinder = setMatcher( postFinder, postSelector );
  }
  return markFunction(function( seed, results, context, xml ) {
  var temp, i, elem,
  preMap = [],
  postMap = [],
  preexisting = results.length,
  
  // Get initial elements from seed or context
  elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
  
  // Prefilter to get matcher input, preserving a map for seed-results synchronization
  matcherIn = preFilter && ( seed || !selector ) ?
  condense( elems, preMap, preFilter, context, xml ) :
  elems,
  
  matcherOut = matcher ?
  // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
  postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
  
  // ...intermediate processing is necessary
  [] :
  
  // ...otherwise use results directly
  results :
  matcherIn;
  
  // Find primary matches
  if ( matcher ) {
  matcher( matcherIn, matcherOut, context, xml );
  }
  
  // Apply postFilter
  if ( postFilter ) {
  temp = condense( matcherOut, postMap );
  postFilter( temp, [], context, xml );
  
  // Un-match failing elements by moving them back to matcherIn
  i = temp.length;
  while ( i-- ) {
  if ( (elem = temp[i]) ) {
  matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
  }
  }
  }
  
  if ( seed ) {
  if ( postFinder || preFilter ) {
  if ( postFinder ) {
  // Get the final matcherOut by condensing this intermediate into postFinder contexts
  temp = [];
  i = matcherOut.length;
  while ( i-- ) {
  if ( (elem = matcherOut[i]) ) {
  // Restore matcherIn since elem is not yet a final match
  temp.push( (matcherIn[i] = elem) );
  }
  }
  postFinder( null, (matcherOut = []), temp, xml );
  }
  
  // Move matched elements from seed to results to keep them synchronized
  i = matcherOut.length;
  while ( i-- ) {
  if ( (elem = matcherOut[i]) &&
  (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
  
  seed[temp] = !(results[temp] = elem);
  }
  }
  }
  
  // Add elements to results, through postFinder if defined
  } else {
  matcherOut = condense(
  matcherOut === results ?
  matcherOut.splice( preexisting, matcherOut.length ) :
  matcherOut
  );
  if ( postFinder ) {
  postFinder( null, results, matcherOut, xml );
  } else {
  push.apply( results, matcherOut );
  }
  }
  });
  }
  
  function matcherFromTokens( tokens ) {
  var checkContext, matcher, j,
  len = tokens.length,
  leadingRelative = Expr.relative[ tokens[0].type ],
  implicitRelative = leadingRelative || Expr.relative[" "],
  i = leadingRelative ? 1 : 0,
  
  // The foundational matcher ensures that elements are reachable from top-level context(s)
  matchContext = addCombinator( function( elem ) {
  return elem === checkContext;
  }, implicitRelative, true ),
  matchAnyContext = addCombinator( function( elem ) {
  return indexOf( checkContext, elem ) > -1;
  }, implicitRelative, true ),
  matchers = [ function( elem, context, xml ) {
  var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
  (checkContext = context).nodeType ?
  matchContext( elem, context, xml ) :
  matchAnyContext( elem, context, xml ) );
  // Avoid hanging onto element (issue #299)
  checkContext = null;
  return ret;
  } ];
  
  for ( ; i < len; i++ ) {
  if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
  matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
  } else {
  matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
  
  // Return special upon seeing a positional matcher
  if ( matcher[ expando ] ) {
  // Find the next relative operator (if any) for proper handling
  j = ++i;
  for ( ; j < len; j++ ) {
  if ( Expr.relative[ tokens[j].type ] ) {
  break;
  }
  }
  return setMatcher(
  i > 1 && elementMatcher( matchers ),
  i > 1 && toSelector(
  // If the preceding token was a descendant combinator, insert an implicit any-element `*`
  tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
  ).replace( rtrim, "$1" ),
  matcher,
  i < j && matcherFromTokens( tokens.slice( i, j ) ),
  j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
  j < len && toSelector( tokens )
  );
  }
  matchers.push( matcher );
  }
  }
  
  return elementMatcher( matchers );
  }
  
  function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
  var bySet = setMatchers.length > 0,
  byElement = elementMatchers.length > 0,
  superMatcher = function( seed, context, xml, results, outermost ) {
  var elem, j, matcher,
  matchedCount = 0,
  i = "0",
  unmatched = seed && [],
  setMatched = [],
  contextBackup = outermostContext,
  // We must always have either seed elements or outermost context
  elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
  // Use integer dirruns iff this is the outermost matcher
  dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
  len = elems.length;
  
  if ( outermost ) {
  outermostContext = context === document || context || outermost;
  }
  
  // Add elements passing elementMatchers directly to results
  // Support: IE<9, Safari
  // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
  for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
  if ( byElement && elem ) {
  j = 0;
  if ( !context && elem.ownerDocument !== document ) {
  setDocument( elem );
  xml = !documentIsHTML;
  }
  while ( (matcher = elementMatchers[j++]) ) {
  if ( matcher( elem, context || document, xml) ) {
  results.push( elem );
  break;
  }
  }
  if ( outermost ) {
  dirruns = dirrunsUnique;
  }
  }
  
  // Track unmatched elements for set filters
  if ( bySet ) {
  // They will have gone through all possible matchers
  if ( (elem = !matcher && elem) ) {
  matchedCount--;
  }
  
  // Lengthen the array for every element, matched or not
  if ( seed ) {
  unmatched.push( elem );
  }
  }
  }
  
  // `i` is now the count of elements visited above, and adding it to `matchedCount`
  // makes the latter nonnegative.
  matchedCount += i;
  
  // Apply set filters to unmatched elements
  // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
  // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
  // no element matchers and no seed.
  // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
  // case, which will result in a "00" `matchedCount` that differs from `i` but is also
  // numerically zero.
  if ( bySet && i !== matchedCount ) {
  j = 0;
  while ( (matcher = setMatchers[j++]) ) {
  matcher( unmatched, setMatched, context, xml );
  }
  
  if ( seed ) {
  // Reintegrate element matches to eliminate the need for sorting
  if ( matchedCount > 0 ) {
  while ( i-- ) {
  if ( !(unmatched[i] || setMatched[i]) ) {
  setMatched[i] = pop.call( results );
  }
  }
  }
  
  // Discard index placeholder values to get only actual matches
  setMatched = condense( setMatched );
  }
  
  // Add matches to results
  push.apply( results, setMatched );
  
  // Seedless set matches succeeding multiple successful matchers stipulate sorting
  if ( outermost && !seed && setMatched.length > 0 &&
  ( matchedCount + setMatchers.length ) > 1 ) {
  
  Sizzle.uniqueSort( results );
  }
  }
  
  // Override manipulation of globals by nested matchers
  if ( outermost ) {
  dirruns = dirrunsUnique;
  outermostContext = contextBackup;
  }
  
  return unmatched;
  };
  
  return bySet ?
  markFunction( superMatcher ) :
  superMatcher;
  }
  
  compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
  var i,
  setMatchers = [],
  elementMatchers = [],
  cached = compilerCache[ selector + " " ];
  
  if ( !cached ) {
  // Generate a function of recursive functions that can be used to check each element
  if ( !match ) {
  match = tokenize( selector );
  }
  i = match.length;
  while ( i-- ) {
  cached = matcherFromTokens( match[i] );
  if ( cached[ expando ] ) {
  setMatchers.push( cached );
  } else {
  elementMatchers.push( cached );
  }
  }
  
  // Cache the compiled function
  cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
  
  // Save selector and tokenization
  cached.selector = selector;
  }
  return cached;
  };
  
  /**
  * A low-level selection function that works with Sizzle's compiled
  *  selector functions
  * @param {String|Function} selector A selector or a pre-compiled
  *  selector function built with Sizzle.compile
  * @param {Element} context
  * @param {Array} [results]
  * @param {Array} [seed] A set of elements to match against
  */
  select = Sizzle.select = function( selector, context, results, seed ) {
  var i, tokens, token, type, find,
  compiled = typeof selector === "function" && selector,
  match = !seed && tokenize( (selector = compiled.selector || selector) );
  
  results = results || [];
  
  // Try to minimize operations if there is only one selector in the list and no seed
  // (the latter of which guarantees us context)
  if ( match.length === 1 ) {
  
  // Reduce context if the leading compound selector is an ID
  tokens = match[0] = match[0].slice( 0 );
  if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
  context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
  
  context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
  if ( !context ) {
  return results;
  
  // Precompiled matchers will still verify ancestry, so step up a level
  } else if ( compiled ) {
  context = context.parentNode;
  }
  
  selector = selector.slice( tokens.shift().value.length );
  }
  
  // Fetch a seed set for right-to-left matching
  i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
  while ( i-- ) {
  token = tokens[i];
  
  // Abort if we hit a combinator
  if ( Expr.relative[ (type = token.type) ] ) {
  break;
  }
  if ( (find = Expr.find[ type ]) ) {
  // Search, expanding context for leading sibling combinators
  if ( (seed = find(
  token.matches[0].replace( runescape, funescape ),
  rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
  )) ) {
  
  // If seed is empty or no tokens remain, we can return early
  tokens.splice( i, 1 );
  selector = seed.length && toSelector( tokens );
  if ( !selector ) {
  push.apply( results, seed );
  return results;
  }
  
  break;
  }
  }
  }
  }
  
  // Compile and execute a filtering function if one is not provided
  // Provide `match` to avoid retokenization if we modified the selector above
  ( compiled || compile( selector, match ) )(
  seed,
  context,
  !documentIsHTML,
  results,
  !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
  );
  return results;
  };
  
  // One-time assignments
  
  // Sort stability
  support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
  
  // Support: Chrome 14-35+
  // Always assume duplicates if they aren't passed to the comparison function
  support.detectDuplicates = !!hasDuplicate;
  
  // Initialize against the default document
  setDocument();
  
  // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
  // Detached nodes confoundingly follow *each other*
  support.sortDetached = assert(function( el ) {
  // Should return 1, but returns 4 (following)
  return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
  });
  
  // Support: IE<8
  // Prevent attribute/property "interpolation"
  // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
  if ( !assert(function( el ) {
  el.innerHTML = "<a href='#'></a>";
  return el.firstChild.getAttribute("href") === "#" ;
  }) ) {
  addHandle( "type|href|height|width", function( elem, name, isXML ) {
  if ( !isXML ) {
  return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
  }
  });
  }
  
  // Support: IE<9
  // Use defaultValue in place of getAttribute("value")
  if ( !support.attributes || !assert(function( el ) {
  el.innerHTML = "<input/>";
  el.firstChild.setAttribute( "value", "" );
  return el.firstChild.getAttribute( "value" ) === "";
  }) ) {
  addHandle( "value", function( elem, name, isXML ) {
  if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
  return elem.defaultValue;
  }
  });
  }
  
  // Support: IE<9
  // Use getAttributeNode to fetch booleans when getAttribute lies
  if ( !assert(function( el ) {
  return el.getAttribute("disabled") == null;
  }) ) {
  addHandle( booleans, function( elem, name, isXML ) {
  var val;
  if ( !isXML ) {
  return elem[ name ] === true ? name.toLowerCase() :
  (val = elem.getAttributeNode( name )) && val.specified ?
  val.value :
  null;
  }
  });
  }
  
  return Sizzle;
  
  })( window );
  
  
  
  jQuery.find = Sizzle;
  jQuery.expr = Sizzle.selectors;
  
  // Deprecated
  jQuery.expr[ ":" ] = jQuery.expr.pseudos;
  jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
  jQuery.text = Sizzle.getText;
  jQuery.isXMLDoc = Sizzle.isXML;
  jQuery.contains = Sizzle.contains;
  jQuery.escapeSelector = Sizzle.escape;
  
  
  
  
  var dir = function( elem, dir, until ) {
  var matched = [],
  truncate = until !== undefined;
  
  while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
  if ( elem.nodeType === 1 ) {
  if ( truncate && jQuery( elem ).is( until ) ) {
  break;
  }
  matched.push( elem );
  }
  }
  return matched;
  };
  
  
  var siblings = function( n, elem ) {
  var matched = [];
  
  for ( ; n; n = n.nextSibling ) {
  if ( n.nodeType === 1 && n !== elem ) {
  matched.push( n );
  }
  }
  
  return matched;
  };
  
  
  var rneedsContext = jQuery.expr.match.needsContext;
  
  
  
  function nodeName( elem, name ) {
  
  return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
  
  };
  var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
  
  
  
  // Implement the identical functionality for filter and not
  function winnow( elements, qualifier, not ) {
  if ( isFunction( qualifier ) ) {
  return jQuery.grep( elements, function( elem, i ) {
  return !!qualifier.call( elem, i, elem ) !== not;
  } );
  }
  
  // Single element
  if ( qualifier.nodeType ) {
  return jQuery.grep( elements, function( elem ) {
  return ( elem === qualifier ) !== not;
  } );
  }
  
  // Arraylike of elements (jQuery, arguments, Array)
  if ( typeof qualifier !== "string" ) {
  return jQuery.grep( elements, function( elem ) {
  return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
  } );
  }
  
  // Filtered directly for both simple and complex selectors
  return jQuery.filter( qualifier, elements, not );
  }
  
  jQuery.filter = function( expr, elems, not ) {
  var elem = elems[ 0 ];
  
  if ( not ) {
  expr = ":not(" + expr + ")";
  }
  
  if ( elems.length === 1 && elem.nodeType === 1 ) {
  return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
  }
  
  return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
  return elem.nodeType === 1;
  } ) );
  };
  
  jQuery.fn.extend( {
  find: function( selector ) {
  var i, ret,
  len = this.length,
  self = this;
  
  if ( typeof selector !== "string" ) {
  return this.pushStack( jQuery( selector ).filter( function() {
  for ( i = 0; i < len; i++ ) {
  if ( jQuery.contains( self[ i ], this ) ) {
  return true;
  }
  }
  } ) );
  }
  
  ret = this.pushStack( [] );
  
  for ( i = 0; i < len; i++ ) {
  jQuery.find( selector, self[ i ], ret );
  }
  
  return len > 1 ? jQuery.uniqueSort( ret ) : ret;
  },
  filter: function( selector ) {
  return this.pushStack( winnow( this, selector || [], false ) );
  },
  not: function( selector ) {
  return this.pushStack( winnow( this, selector || [], true ) );
  },
  is: function( selector ) {
  return !!winnow(
  this,
  
  // If this is a positional/relative selector, check membership in the returned set
  // so $("p:first").is("p:last") won't return true for a doc with two "p".
  typeof selector === "string" && rneedsContext.test( selector ) ?
  jQuery( selector ) :
  selector || [],
  false
  ).length;
  }
  } );
  
  
  // Initialize a jQuery object
  
  
  // A central reference to the root jQuery(document)
  var rootjQuery,
  
  // A simple way to check for HTML strings
  // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
  // Strict HTML recognition (#11290: must start with <)
  // Shortcut simple #id case for speed
  rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
  
  init = jQuery.fn.init = function( selector, context, root ) {
  var match, elem;
  
  // HANDLE: $(""), $(null), $(undefined), $(false)
  if ( !selector ) {
  return this;
  }
  
  // Method init() accepts an alternate rootjQuery
  // so migrate can support jQuery.sub (gh-2101)
  root = root || rootjQuery;
  
  // Handle HTML strings
  if ( typeof selector === "string" ) {
  if ( selector[ 0 ] === "<" &&
  selector[ selector.length - 1 ] === ">" &&
  selector.length >= 3 ) {
  
  // Assume that strings that start and end with <> are HTML and skip the regex check
  match = [ null, selector, null ];
  
  } else {
  match = rquickExpr.exec( selector );
  }
  
  // Match html or make sure no context is specified for #id
  if ( match && ( match[ 1 ] || !context ) ) {
  
  // HANDLE: $(html) -> $(array)
  if ( match[ 1 ] ) {
  context = context instanceof jQuery ? context[ 0 ] : context;
  
  // Option to run scripts is true for back-compat
  // Intentionally let the error be thrown if parseHTML is not present
  jQuery.merge( this, jQuery.parseHTML(
  match[ 1 ],
  context && context.nodeType ? context.ownerDocument || context : document,
  true
  ) );
  
  // HANDLE: $(html, props)
  if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
  for ( match in context ) {
  
  // Properties of context are called as methods if possible
  if ( isFunction( this[ match ] ) ) {
  this[ match ]( context[ match ] );
  
  // ...and otherwise set as attributes
  } else {
  this.attr( match, context[ match ] );
  }
  }
  }
  
  return this;
  
  // HANDLE: $(#id)
  } else {
  elem = document.getElementById( match[ 2 ] );
  
  if ( elem ) {
  
  // Inject the element directly into the jQuery object
  this[ 0 ] = elem;
  this.length = 1;
  }
  return this;
  }
  
  // HANDLE: $(expr, $(...))
  } else if ( !context || context.jquery ) {
  return ( context || root ).find( selector );
  
  // HANDLE: $(expr, context)
  // (which is just equivalent to: $(context).find(expr)
  } else {
  return this.constructor( context ).find( selector );
  }
  
  // HANDLE: $(DOMElement)
  } else if ( selector.nodeType ) {
  this[ 0 ] = selector;
  this.length = 1;
  return this;
  
  // HANDLE: $(function)
  // Shortcut for document ready
  } else if ( isFunction( selector ) ) {
  return root.ready !== undefined ?
  root.ready( selector ) :
  
  // Execute immediately if ready is not present
  selector( jQuery );
  }
  
  return jQuery.makeArray( selector, this );
  };
  
  // Give the init function the jQuery prototype for later instantiation
  init.prototype = jQuery.fn;
  
  // Initialize central reference
  rootjQuery = jQuery( document );
  
  
  var rparentsprev = /^(?:parents|prev(?:Until|All))/,
  
  // Methods guaranteed to produce a unique set when starting from a unique set
  guaranteedUnique = {
  children: true,
  contents: true,
  next: true,
  prev: true
  };
  
  jQuery.fn.extend( {
  has: function( target ) {
  var targets = jQuery( target, this ),
  l = targets.length;
  
  return this.filter( function() {
  var i = 0;
  for ( ; i < l; i++ ) {
  if ( jQuery.contains( this, targets[ i ] ) ) {
  return true;
  }
  }
  } );
  },
  
  closest: function( selectors, context ) {
  var cur,
  i = 0,
  l = this.length,
  matched = [],
  targets = typeof selectors !== "string" && jQuery( selectors );
  
  // Positional selectors never match, since there's no _selection_ context
  if ( !rneedsContext.test( selectors ) ) {
  for ( ; i < l; i++ ) {
  for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
  
  // Always skip document fragments
  if ( cur.nodeType < 11 && ( targets ?
  targets.index( cur ) > -1 :
  
  // Don't pass non-elements to Sizzle
  cur.nodeType === 1 &&
  jQuery.find.matchesSelector( cur, selectors ) ) ) {
  
  matched.push( cur );
  break;
  }
  }
  }
  }
  
  return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
  },
  
  // Determine the position of an element within the set
  index: function( elem ) {
  
  // No argument, return index in parent
  if ( !elem ) {
  return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
  }
  
  // Index in selector
  if ( typeof elem === "string" ) {
  return indexOf.call( jQuery( elem ), this[ 0 ] );
  }
  
  // Locate the position of the desired element
  return indexOf.call( this,
  
  // If it receives a jQuery object, the first element is used
  elem.jquery ? elem[ 0 ] : elem
  );
  },
  
  add: function( selector, context ) {
  return this.pushStack(
  jQuery.uniqueSort(
  jQuery.merge( this.get(), jQuery( selector, context ) )
  )
  );
  },
  
  addBack: function( selector ) {
  return this.add( selector == null ?
  this.prevObject : this.prevObject.filter( selector )
  );
  }
  } );
  
  function sibling( cur, dir ) {
  while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
  return cur;
  }
  
  jQuery.each( {
  parent: function( elem ) {
  var parent = elem.parentNode;
  return parent && parent.nodeType !== 11 ? parent : null;
  },
  parents: function( elem ) {
  return dir( elem, "parentNode" );
  },
  parentsUntil: function( elem, i, until ) {
  return dir( elem, "parentNode", until );
  },
  next: function( elem ) {
  return sibling( elem, "nextSibling" );
  },
  prev: function( elem ) {
  return sibling( elem, "previousSibling" );
  },
  nextAll: function( elem ) {
  return dir( elem, "nextSibling" );
  },
  prevAll: function( elem ) {
  return dir( elem, "previousSibling" );
  },
  nextUntil: function( elem, i, until ) {
  return dir( elem, "nextSibling", until );
  },
  prevUntil: function( elem, i, until ) {
  return dir( elem, "previousSibling", until );
  },
  siblings: function( elem ) {
  return siblings( ( elem.parentNode || {} ).firstChild, elem );
  },
  children: function( elem ) {
  return siblings( elem.firstChild );
  },
  contents: function( elem ) {
  if ( typeof elem.contentDocument !== "undefined" ) {
  return elem.contentDocument;
  }
  
  // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
  // Treat the template element as a regular one in browsers that
  // don't support it.
  if ( nodeName( elem, "template" ) ) {
  elem = elem.content || elem;
  }
  
  return jQuery.merge( [], elem.childNodes );
  }
  }, function( name, fn ) {
  jQuery.fn[ name ] = function( until, selector ) {
  var matched = jQuery.map( this, fn, until );
  
  if ( name.slice( -5 ) !== "Until" ) {
  selector = until;
  }
  
  if ( selector && typeof selector === "string" ) {
  matched = jQuery.filter( selector, matched );
  }
  
  if ( this.length > 1 ) {
  
  // Remove duplicates
  if ( !guaranteedUnique[ name ] ) {
  jQuery.uniqueSort( matched );
  }
  
  // Reverse order for parents* and prev-derivatives
  if ( rparentsprev.test( name ) ) {
  matched.reverse();
  }
  }
  
  return this.pushStack( matched );
  };
  } );
  var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
  
  
  
  // Convert String-formatted options into Object-formatted ones
  function createOptions( options ) {
  var object = {};
  jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
  object[ flag ] = true;
  } );
  return object;
  }
  
  /*
  * Create a callback list using the following parameters:
  *
  *	options: an optional list of space-separated options that will change how
  *			the callback list behaves or a more traditional option object
  *
  * By default a callback list will act like an event callback list and can be
  * "fired" multiple times.
  *
  * Possible options:
  *
  *	once:			will ensure the callback list can only be fired once (like a Deferred)
  *
  *	memory:			will keep track of previous values and will call any callback added
  *					after the list has been fired right away with the latest "memorized"
  *					values (like a Deferred)
  *
  *	unique:			will ensure a callback can only be added once (no duplicate in the list)
  *
  *	stopOnFalse:	interrupt callings when a callback returns false
  *
  */
  jQuery.Callbacks = function( options ) {
  
  // Convert options from String-formatted to Object-formatted if needed
  // (we check in cache first)
  options = typeof options === "string" ?
  createOptions( options ) :
  jQuery.extend( {}, options );
  
  var // Flag to know if list is currently firing
  firing,
  
  // Last fire value for non-forgettable lists
  memory,
  
  // Flag to know if list was already fired
  fired,
  
  // Flag to prevent firing
  locked,
  
  // Actual callback list
  list = [],
  
  // Queue of execution data for repeatable lists
  queue = [],
  
  // Index of currently firing callback (modified by add/remove as needed)
  firingIndex = -1,
  
  // Fire callbacks
  fire = function() {
  
  // Enforce single-firing
  locked = locked || options.once;
  
  // Execute callbacks for all pending executions,
  // respecting firingIndex overrides and runtime changes
  fired = firing = true;
  for ( ; queue.length; firingIndex = -1 ) {
  memory = queue.shift();
  while ( ++firingIndex < list.length ) {
  
  // Run callback and check for early termination
  if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
  options.stopOnFalse ) {
  
  // Jump to end and forget the data so .add doesn't re-fire
  firingIndex = list.length;
  memory = false;
  }
  }
  }
  
  // Forget the data if we're done with it
  if ( !options.memory ) {
  memory = false;
  }
  
  firing = false;
  
  // Clean up if we're done firing for good
  if ( locked ) {
  
  // Keep an empty list if we have data for future add calls
  if ( memory ) {
  list = [];
  
  // Otherwise, this object is spent
  } else {
  list = "";
  }
  }
  },
  
  // Actual Callbacks object
  self = {
  
  // Add a callback or a collection of callbacks to the list
  add: function() {
  if ( list ) {
  
  // If we have memory from a past run, we should fire after adding
  if ( memory && !firing ) {
  firingIndex = list.length - 1;
  queue.push( memory );
  }
  
  ( function add( args ) {
  jQuery.each( args, function( _, arg ) {
  if ( isFunction( arg ) ) {
  if ( !options.unique || !self.has( arg ) ) {
  list.push( arg );
  }
  } else if ( arg && arg.length && toType( arg ) !== "string" ) {
  
  // Inspect recursively
  add( arg );
  }
  } );
  } )( arguments );
  
  if ( memory && !firing ) {
  fire();
  }
  }
  return this;
  },
  
  // Remove a callback from the list
  remove: function() {
  jQuery.each( arguments, function( _, arg ) {
  var index;
  while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
  list.splice( index, 1 );
  
  // Handle firing indexes
  if ( index <= firingIndex ) {
  firingIndex--;
  }
  }
  } );
  return this;
  },
  
  // Check if a given callback is in the list.
  // If no argument is given, return whether or not list has callbacks attached.
  has: function( fn ) {
  return fn ?
  jQuery.inArray( fn, list ) > -1 :
  list.length > 0;
  },
  
  // Remove all callbacks from the list
  empty: function() {
  if ( list ) {
  list = [];
  }
  return this;
  },
  
  // Disable .fire and .add
  // Abort any current/pending executions
  // Clear all callbacks and values
  disable: function() {
  locked = queue = [];
  list = memory = "";
  return this;
  },
  disabled: function() {
  return !list;
  },
  
  // Disable .fire
  // Also disable .add unless we have memory (since it would have no effect)
  // Abort any pending executions
  lock: function() {
  locked = queue = [];
  if ( !memory && !firing ) {
  list = memory = "";
  }
  return this;
  },
  locked: function() {
  return !!locked;
  },
  
  // Call all callbacks with the given context and arguments
  fireWith: function( context, args ) {
  if ( !locked ) {
  args = args || [];
  args = [ context, args.slice ? args.slice() : args ];
  queue.push( args );
  if ( !firing ) {
  fire();
  }
  }
  return this;
  },
  
  // Call all the callbacks with the given arguments
  fire: function() {
  self.fireWith( this, arguments );
  return this;
  },
  
  // To know if the callbacks have already been called at least once
  fired: function() {
  return !!fired;
  }
  };
  
  return self;
  };
  
  
  function Identity( v ) {
  return v;
  }
  function Thrower( ex ) {
  throw ex;
  }
  
  function adoptValue( value, resolve, reject, noValue ) {
  var method;
  
  try {
  
  // Check for promise aspect first to privilege synchronous behavior
  if ( value && isFunction( ( method = value.promise ) ) ) {
  method.call( value ).done( resolve ).fail( reject );
  
  // Other thenables
  } else if ( value && isFunction( ( method = value.then ) ) ) {
  method.call( value, resolve, reject );
  
  // Other non-thenables
  } else {
  
  // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
  // * false: [ value ].slice( 0 ) => resolve( value )
  // * true: [ value ].slice( 1 ) => resolve()
  resolve.apply( undefined, [ value ].slice( noValue ) );
  }
  
  // For Promises/A+, convert exceptions into rejections
  // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
  // Deferred#then to conditionally suppress rejection.
  } catch ( value ) {
  
  // Support: Android 4.0 only
  // Strict mode functions invoked without .call/.apply get global-object context
  reject.apply( undefined, [ value ] );
  }
  }
  
  jQuery.extend( {
  
  Deferred: function( func ) {
  var tuples = [
  
  // action, add listener, callbacks,
  // ... .then handlers, argument index, [final state]
  [ "notify", "progress", jQuery.Callbacks( "memory" ),
  jQuery.Callbacks( "memory" ), 2 ],
  [ "resolve", "done", jQuery.Callbacks( "once memory" ),
  jQuery.Callbacks( "once memory" ), 0, "resolved" ],
  [ "reject", "fail", jQuery.Callbacks( "once memory" ),
  jQuery.Callbacks( "once memory" ), 1, "rejected" ]
  ],
  state = "pending",
  promise = {
  state: function() {
  return state;
  },
  always: function() {
  deferred.done( arguments ).fail( arguments );
  return this;
  },
  "catch": function( fn ) {
  return promise.then( null, fn );
  },
  
  // Keep pipe for back-compat
  pipe: function( /* fnDone, fnFail, fnProgress */ ) {
  var fns = arguments;
  
  return jQuery.Deferred( function( newDefer ) {
  jQuery.each( tuples, function( i, tuple ) {
  
  // Map tuples (progress, done, fail) to arguments (done, fail, progress)
  var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
  
  // deferred.progress(function() { bind to newDefer or newDefer.notify })
  // deferred.done(function() { bind to newDefer or newDefer.resolve })
  // deferred.fail(function() { bind to newDefer or newDefer.reject })
  deferred[ tuple[ 1 ] ]( function() {
  var returned = fn && fn.apply( this, arguments );
  if ( returned && isFunction( returned.promise ) ) {
  returned.promise()
  .progress( newDefer.notify )
  .done( newDefer.resolve )
  .fail( newDefer.reject );
  } else {
  newDefer[ tuple[ 0 ] + "With" ](
  this,
  fn ? [ returned ] : arguments
  );
  }
  } );
  } );
  fns = null;
  } ).promise();
  },
  then: function( onFulfilled, onRejected, onProgress ) {
  var maxDepth = 0;
  function resolve( depth, deferred, handler, special ) {
  return function() {
  var that = this,
  args = arguments,
  mightThrow = function() {
  var returned, then;
  
  // Support: Promises/A+ section 2.3.3.3.3
  // https://promisesaplus.com/#point-59
  // Ignore double-resolution attempts
  if ( depth < maxDepth ) {
  return;
  }
  
  returned = handler.apply( that, args );
  
  // Support: Promises/A+ section 2.3.1
  // https://promisesaplus.com/#point-48
  if ( returned === deferred.promise() ) {
  throw new TypeError( "Thenable self-resolution" );
  }
  
  // Support: Promises/A+ sections 2.3.3.1, 3.5
  // https://promisesaplus.com/#point-54
  // https://promisesaplus.com/#point-75
  // Retrieve `then` only once
  then = returned &&
  
  // Support: Promises/A+ section 2.3.4
  // https://promisesaplus.com/#point-64
  // Only check objects and functions for thenability
  ( typeof returned === "object" ||
  typeof returned === "function" ) &&
  returned.then;
  
  // Handle a returned thenable
  if ( isFunction( then ) ) {
  
  // Special processors (notify) just wait for resolution
  if ( special ) {
  then.call(
  returned,
  resolve( maxDepth, deferred, Identity, special ),
  resolve( maxDepth, deferred, Thrower, special )
  );
  
  // Normal processors (resolve) also hook into progress
  } else {
  
  // ...and disregard older resolution values
  maxDepth++;
  
  then.call(
  returned,
  resolve( maxDepth, deferred, Identity, special ),
  resolve( maxDepth, deferred, Thrower, special ),
  resolve( maxDepth, deferred, Identity,
  deferred.notifyWith )
  );
  }
  
  // Handle all other returned values
  } else {
  
  // Only substitute handlers pass on context
  // and multiple values (non-spec behavior)
  if ( handler !== Identity ) {
  that = undefined;
  args = [ returned ];
  }
  
  // Process the value(s)
  // Default process is resolve
  ( special || deferred.resolveWith )( that, args );
  }
  },
  
  // Only normal processors (resolve) catch and reject exceptions
  process = special ?
  mightThrow :
  function() {
  try {
  mightThrow();
  } catch ( e ) {
  
  if ( jQuery.Deferred.exceptionHook ) {
  jQuery.Deferred.exceptionHook( e,
  process.stackTrace );
  }
  
  // Support: Promises/A+ section 2.3.3.3.4.1
  // https://promisesaplus.com/#point-61
  // Ignore post-resolution exceptions
  if ( depth + 1 >= maxDepth ) {
  
  // Only substitute handlers pass on context
  // and multiple values (non-spec behavior)
  if ( handler !== Thrower ) {
  that = undefined;
  args = [ e ];
  }
  
  deferred.rejectWith( that, args );
  }
  }
  };
  
  // Support: Promises/A+ section 2.3.3.3.1
  // https://promisesaplus.com/#point-57
  // Re-resolve promises immediately to dodge false rejection from
  // subsequent errors
  if ( depth ) {
  process();
  } else {
  
  // Call an optional hook to record the stack, in case of exception
  // since it's otherwise lost when execution goes async
  if ( jQuery.Deferred.getStackHook ) {
  process.stackTrace = jQuery.Deferred.getStackHook();
  }
  window.setTimeout( process );
  }
  };
  }
  
  return jQuery.Deferred( function( newDefer ) {
  
  // progress_handlers.add( ... )
  tuples[ 0 ][ 3 ].add(
  resolve(
  0,
  newDefer,
  isFunction( onProgress ) ?
  onProgress :
  Identity,
  newDefer.notifyWith
  )
  );
  
  // fulfilled_handlers.add( ... )
  tuples[ 1 ][ 3 ].add(
  resolve(
  0,
  newDefer,
  isFunction( onFulfilled ) ?
  onFulfilled :
  Identity
  )
  );
  
  // rejected_handlers.add( ... )
  tuples[ 2 ][ 3 ].add(
  resolve(
  0,
  newDefer,
  isFunction( onRejected ) ?
  onRejected :
  Thrower
  )
  );
  } ).promise();
  },
  
  // Get a promise for this deferred
  // If obj is provided, the promise aspect is added to the object
  promise: function( obj ) {
  return obj != null ? jQuery.extend( obj, promise ) : promise;
  }
  },
  deferred = {};
  
  // Add list-specific methods
  jQuery.each( tuples, function( i, tuple ) {
  var list = tuple[ 2 ],
  stateString = tuple[ 5 ];
  
  // promise.progress = list.add
  // promise.done = list.add
  // promise.fail = list.add
  promise[ tuple[ 1 ] ] = list.add;
  
  // Handle state
  if ( stateString ) {
  list.add(
  function() {
  
  // state = "resolved" (i.e., fulfilled)
  // state = "rejected"
  state = stateString;
  },
  
  // rejected_callbacks.disable
  // fulfilled_callbacks.disable
  tuples[ 3 - i ][ 2 ].disable,
  
  // rejected_handlers.disable
  // fulfilled_handlers.disable
  tuples[ 3 - i ][ 3 ].disable,
  
  // progress_callbacks.lock
  tuples[ 0 ][ 2 ].lock,
  
  // progress_handlers.lock
  tuples[ 0 ][ 3 ].lock
  );
  }
  
  // progress_handlers.fire
  // fulfilled_handlers.fire
  // rejected_handlers.fire
  list.add( tuple[ 3 ].fire );
  
  // deferred.notify = function() { deferred.notifyWith(...) }
  // deferred.resolve = function() { deferred.resolveWith(...) }
  // deferred.reject = function() { deferred.rejectWith(...) }
  deferred[ tuple[ 0 ] ] = function() {
  deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
  return this;
  };
  
  // deferred.notifyWith = list.fireWith
  // deferred.resolveWith = list.fireWith
  // deferred.rejectWith = list.fireWith
  deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
  } );
  
  // Make the deferred a promise
  promise.promise( deferred );
  
  // Call given func if any
  if ( func ) {
  func.call( deferred, deferred );
  }
  
  // All done!
  return deferred;
  },
  
  // Deferred helper
  when: function( singleValue ) {
  var
  
  // count of uncompleted subordinates
  remaining = arguments.length,
  
  // count of unprocessed arguments
  i = remaining,
  
  // subordinate fulfillment data
  resolveContexts = Array( i ),
  resolveValues = slice.call( arguments ),
  
  // the master Deferred
  master = jQuery.Deferred(),
  
  // subordinate callback factory
  updateFunc = function( i ) {
  return function( value ) {
  resolveContexts[ i ] = this;
  resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
  if ( !( --remaining ) ) {
  master.resolveWith( resolveContexts, resolveValues );
  }
  };
  };
  
  // Single- and empty arguments are adopted like Promise.resolve
  if ( remaining <= 1 ) {
  adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
  !remaining );
  
  // Use .then() to unwrap secondary thenables (cf. gh-3000)
  if ( master.state() === "pending" ||
  isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
  
  return master.then();
  }
  }
  
  // Multiple arguments are aggregated like Promise.all array elements
  while ( i-- ) {
  adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
  }
  
  return master.promise();
  }
  } );
  
  
  // These usually indicate a programmer mistake during development,
  // warn about them ASAP rather than swallowing them by default.
  var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
  
  jQuery.Deferred.exceptionHook = function( error, stack ) {
  
  // Support: IE 8 - 9 only
  // Console exists when dev tools are open, which can happen at any time
  if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
  window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
  }
  };
  
  
  
  
  jQuery.readyException = function( error ) {
  window.setTimeout( function() {
  throw error;
  } );
  };
  
  
  
  
  // The deferred used on DOM ready
  var readyList = jQuery.Deferred();
  
  jQuery.fn.ready = function( fn ) {
  
  readyList
  .then( fn )
  
  // Wrap jQuery.readyException in a function so that the lookup
  // happens at the time of error handling instead of callback
  // registration.
  .catch( function( error ) {
  jQuery.readyException( error );
  } );
  
  return this;
  };
  
  jQuery.extend( {
  
  // Is the DOM ready to be used? Set to true once it occurs.
  isReady: false,
  
  // A counter to track how many items to wait for before
  // the ready event fires. See #6781
  readyWait: 1,
  
  // Handle when the DOM is ready
  ready: function( wait ) {
  
  // Abort if there are pending holds or we're already ready
  if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
  return;
  }
  
  // Remember that the DOM is ready
  jQuery.isReady = true;
  
  // If a normal DOM Ready event fired, decrement, and wait if need be
  if ( wait !== true && --jQuery.readyWait > 0 ) {
  return;
  }
  
  // If there are functions bound, to execute
  readyList.resolveWith( document, [ jQuery ] );
  }
  } );
  
  jQuery.ready.then = readyList.then;
  
  // The ready event handler and self cleanup method
  function completed() {
  document.removeEventListener( "DOMContentLoaded", completed );
  window.removeEventListener( "load", completed );
  jQuery.ready();
  }
  
  // Catch cases where $(document).ready() is called
  // after the browser event has already occurred.
  // Support: IE <=9 - 10 only
  // Older IE sometimes signals "interactive" too soon
  if ( document.readyState === "complete" ||
  ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
  
  // Handle it asynchronously to allow scripts the opportunity to delay ready
  window.setTimeout( jQuery.ready );
  
  } else {
  
  // Use the handy event callback
  document.addEventListener( "DOMContentLoaded", completed );
  
  // A fallback to window.onload, that will always work
  window.addEventListener( "load", completed );
  }
  
  
  
  
  // Multifunctional method to get and set values of a collection
  // The value/s can optionally be executed if it's a function
  var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
  var i = 0,
  len = elems.length,
  bulk = key == null;
  
  // Sets many values
  if ( toType( key ) === "object" ) {
  chainable = true;
  for ( i in key ) {
  access( elems, fn, i, key[ i ], true, emptyGet, raw );
  }
  
  // Sets one value
  } else if ( value !== undefined ) {
  chainable = true;
  
  if ( !isFunction( value ) ) {
  raw = true;
  }
  
  if ( bulk ) {
  
  // Bulk operations run against the entire set
  if ( raw ) {
  fn.call( elems, value );
  fn = null;
  
  // ...except when executing function values
  } else {
  bulk = fn;
  fn = function( elem, key, value ) {
  return bulk.call( jQuery( elem ), value );
  };
  }
  }
  
  if ( fn ) {
  for ( ; i < len; i++ ) {
  fn(
  elems[ i ], key, raw ?
  value :
  value.call( elems[ i ], i, fn( elems[ i ], key ) )
  );
  }
  }
  }
  
  if ( chainable ) {
  return elems;
  }
  
  // Gets
  if ( bulk ) {
  return fn.call( elems );
  }
  
  return len ? fn( elems[ 0 ], key ) : emptyGet;
  };
  
  
  // Matches dashed string for camelizing
  var rmsPrefix = /^-ms-/,
  rdashAlpha = /-([a-z])/g;
  
  // Used by camelCase as callback to replace()
  function fcamelCase( all, letter ) {
  return letter.toUpperCase();
  }
  
  // Convert dashed to camelCase; used by the css and data modules
  // Support: IE <=9 - 11, Edge 12 - 15
  // Microsoft forgot to hump their vendor prefix (#9572)
  function camelCase( string ) {
  return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
  }
  var acceptData = function( owner ) {
  
  // Accepts only:
  //  - Node
  //    - Node.ELEMENT_NODE
  //    - Node.DOCUMENT_NODE
  //  - Object
  //    - Any
  return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
  };
  
  
  
  
  function Data() {
  this.expando = jQuery.expando + Data.uid++;
  }
  
  Data.uid = 1;
  
  Data.prototype = {
  
  cache: function( owner ) {
  
  // Check if the owner object already has a cache
  var value = owner[ this.expando ];
  
  // If not, create one
  if ( !value ) {
  value = {};
  
  // We can accept data for non-element nodes in modern browsers,
  // but we should not, see #8335.
  // Always return an empty object.
  if ( acceptData( owner ) ) {
  
  // If it is a node unlikely to be stringify-ed or looped over
  // use plain assignment
  if ( owner.nodeType ) {
  owner[ this.expando ] = value;
  
  // Otherwise secure it in a non-enumerable property
  // configurable must be true to allow the property to be
  // deleted when data is removed
  } else {
  Object.defineProperty( owner, this.expando, {
  value: value,
  configurable: true
  } );
  }
  }
  }
  
  return value;
  },
  set: function( owner, data, value ) {
  var prop,
  cache = this.cache( owner );
  
  // Handle: [ owner, key, value ] args
  // Always use camelCase key (gh-2257)
  if ( typeof data === "string" ) {
  cache[ camelCase( data ) ] = value;
  
  // Handle: [ owner, { properties } ] args
  } else {
  
  // Copy the properties one-by-one to the cache object
  for ( prop in data ) {
  cache[ camelCase( prop ) ] = data[ prop ];
  }
  }
  return cache;
  },
  get: function( owner, key ) {
  return key === undefined ?
  this.cache( owner ) :
  
  // Always use camelCase key (gh-2257)
  owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
  },
  access: function( owner, key, value ) {
  
  // In cases where either:
  //
  //   1. No key was specified
  //   2. A string key was specified, but no value provided
  //
  // Take the "read" path and allow the get method to determine
  // which value to return, respectively either:
  //
  //   1. The entire cache object
  //   2. The data stored at the key
  //
  if ( key === undefined ||
  ( ( key && typeof key === "string" ) && value === undefined ) ) {
  
  return this.get( owner, key );
  }
  
  // When the key is not a string, or both a key and value
  // are specified, set or extend (existing objects) with either:
  //
  //   1. An object of properties
  //   2. A key and value
  //
  this.set( owner, key, value );
  
  // Since the "set" path can have two possible entry points
  // return the expected data based on which path was taken[*]
  return value !== undefined ? value : key;
  },
  remove: function( owner, key ) {
  var i,
  cache = owner[ this.expando ];
  
  if ( cache === undefined ) {
  return;
  }
  
  if ( key !== undefined ) {
  
  // Support array or space separated string of keys
  if ( Array.isArray( key ) ) {
  
  // If key is an array of keys...
  // We always set camelCase keys, so remove that.
  key = key.map( camelCase );
  } else {
  key = camelCase( key );
  
  // If a key with the spaces exists, use it.
  // Otherwise, create an array by matching non-whitespace
  key = key in cache ?
  [ key ] :
  ( key.match( rnothtmlwhite ) || [] );
  }
  
  i = key.length;
  
  while ( i-- ) {
  delete cache[ key[ i ] ];
  }
  }
  
  // Remove the expando if there's no more data
  if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
  
  // Support: Chrome <=35 - 45
  // Webkit & Blink performance suffers when deleting properties
  // from DOM nodes, so set to undefined instead
  // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
  if ( owner.nodeType ) {
  owner[ this.expando ] = undefined;
  } else {
  delete owner[ this.expando ];
  }
  }
  },
  hasData: function( owner ) {
  var cache = owner[ this.expando ];
  return cache !== undefined && !jQuery.isEmptyObject( cache );
  }
  };
  var dataPriv = new Data();
  
  var dataUser = new Data();
  
  
  
  //	Implementation Summary
  //
  //	1. Enforce API surface and semantic compatibility with 1.9.x branch
  //	2. Improve the module's maintainability by reducing the storage
  //		paths to a single mechanism.
  //	3. Use the same single mechanism to support "private" and "user" data.
  //	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
  //	5. Avoid exposing implementation details on user objects (eg. expando properties)
  //	6. Provide a clear path for implementation upgrade to WeakMap in 2014
  
  var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
  rmultiDash = /[A-Z]/g;
  
  function getData( data ) {
  if ( data === "true" ) {
  return true;
  }
  
  if ( data === "false" ) {
  return false;
  }
  
  if ( data === "null" ) {
  return null;
  }
  
  // Only convert to a number if it doesn't change the string
  if ( data === +data + "" ) {
  return +data;
  }
  
  if ( rbrace.test( data ) ) {
  return JSON.parse( data );
  }
  
  return data;
  }
  
  function dataAttr( elem, key, data ) {
  var name;
  
  // If nothing was found internally, try to fetch any
  // data from the HTML5 data-* attribute
  if ( data === undefined && elem.nodeType === 1 ) {
  name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
  data = elem.getAttribute( name );
  
  if ( typeof data === "string" ) {
  try {
  data = getData( data );
  } catch ( e ) {}
  
  // Make sure we set the data so it isn't changed later
  dataUser.set( elem, key, data );
  } else {
  data = undefined;
  }
  }
  return data;
  }
  
  jQuery.extend( {
  hasData: function( elem ) {
  return dataUser.hasData( elem ) || dataPriv.hasData( elem );
  },
  
  data: function( elem, name, data ) {
  return dataUser.access( elem, name, data );
  },
  
  removeData: function( elem, name ) {
  dataUser.remove( elem, name );
  },
  
  // TODO: Now that all calls to _data and _removeData have been replaced
  // with direct calls to dataPriv methods, these can be deprecated.
  _data: function( elem, name, data ) {
  return dataPriv.access( elem, name, data );
  },
  
  _removeData: function( elem, name ) {
  dataPriv.remove( elem, name );
  }
  } );
  
  jQuery.fn.extend( {
  data: function( key, value ) {
  var i, name, data,
  elem = this[ 0 ],
  attrs = elem && elem.attributes;
  
  // Gets all values
  if ( key === undefined ) {
  if ( this.length ) {
  data = dataUser.get( elem );
  
  if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
  i = attrs.length;
  while ( i-- ) {
  
  // Support: IE 11 only
  // The attrs elements can be null (#14894)
  if ( attrs[ i ] ) {
  name = attrs[ i ].name;
  if ( name.indexOf( "data-" ) === 0 ) {
  name = camelCase( name.slice( 5 ) );
  dataAttr( elem, name, data[ name ] );
  }
  }
  }
  dataPriv.set( elem, "hasDataAttrs", true );
  }
  }
  
  return data;
  }
  
  // Sets multiple values
  if ( typeof key === "object" ) {
  return this.each( function() {
  dataUser.set( this, key );
  } );
  }
  
  return access( this, function( value ) {
  var data;
  
  // The calling jQuery object (element matches) is not empty
  // (and therefore has an element appears at this[ 0 ]) and the
  // `value` parameter was not undefined. An empty jQuery object
  // will result in `undefined` for elem = this[ 0 ] which will
  // throw an exception if an attempt to read a data cache is made.
  if ( elem && value === undefined ) {
  
  // Attempt to get data from the cache
  // The key will always be camelCased in Data
  data = dataUser.get( elem, key );
  if ( data !== undefined ) {
  return data;
  }
  
  // Attempt to "discover" the data in
  // HTML5 custom data-* attrs
  data = dataAttr( elem, key );
  if ( data !== undefined ) {
  return data;
  }
  
  // We tried really hard, but the data doesn't exist.
  return;
  }
  
  // Set the data...
  this.each( function() {
  
  // We always store the camelCased key
  dataUser.set( this, key, value );
  } );
  }, null, value, arguments.length > 1, null, true );
  },
  
  removeData: function( key ) {
  return this.each( function() {
  dataUser.remove( this, key );
  } );
  }
  } );
  
  
  jQuery.extend( {
  queue: function( elem, type, data ) {
  var queue;
  
  if ( elem ) {
  type = ( type || "fx" ) + "queue";
  queue = dataPriv.get( elem, type );
  
  // Speed up dequeue by getting out quickly if this is just a lookup
  if ( data ) {
  if ( !queue || Array.isArray( data ) ) {
  queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
  } else {
  queue.push( data );
  }
  }
  return queue || [];
  }
  },
  
  dequeue: function( elem, type ) {
  type = type || "fx";
  
  var queue = jQuery.queue( elem, type ),
  startLength = queue.length,
  fn = queue.shift(),
  hooks = jQuery._queueHooks( elem, type ),
  next = function() {
  jQuery.dequeue( elem, type );
  };
  
  // If the fx queue is dequeued, always remove the progress sentinel
  if ( fn === "inprogress" ) {
  fn = queue.shift();
  startLength--;
  }
  
  if ( fn ) {
  
  // Add a progress sentinel to prevent the fx queue from being
  // automatically dequeued
  if ( type === "fx" ) {
  queue.unshift( "inprogress" );
  }
  
  // Clear up the last queue stop function
  delete hooks.stop;
  fn.call( elem, next, hooks );
  }
  
  if ( !startLength && hooks ) {
  hooks.empty.fire();
  }
  },
  
  // Not public - generate a queueHooks object, or return the current one
  _queueHooks: function( elem, type ) {
  var key = type + "queueHooks";
  return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
  empty: jQuery.Callbacks( "once memory" ).add( function() {
  dataPriv.remove( elem, [ type + "queue", key ] );
  } )
  } );
  }
  } );
  
  jQuery.fn.extend( {
  queue: function( type, data ) {
  var setter = 2;
  
  if ( typeof type !== "string" ) {
  data = type;
  type = "fx";
  setter--;
  }
  
  if ( arguments.length < setter ) {
  return jQuery.queue( this[ 0 ], type );
  }
  
  return data === undefined ?
  this :
  this.each( function() {
  var queue = jQuery.queue( this, type, data );
  
  // Ensure a hooks for this queue
  jQuery._queueHooks( this, type );
  
  if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
  jQuery.dequeue( this, type );
  }
  } );
  },
  dequeue: function( type ) {
  return this.each( function() {
  jQuery.dequeue( this, type );
  } );
  },
  clearQueue: function( type ) {
  return this.queue( type || "fx", [] );
  },
  
  // Get a promise resolved when queues of a certain type
  // are emptied (fx is the type by default)
  promise: function( type, obj ) {
  var tmp,
  count = 1,
  defer = jQuery.Deferred(),
  elements = this,
  i = this.length,
  resolve = function() {
  if ( !( --count ) ) {
  defer.resolveWith( elements, [ elements ] );
  }
  };
  
  if ( typeof type !== "string" ) {
  obj = type;
  type = undefined;
  }
  type = type || "fx";
  
  while ( i-- ) {
  tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
  if ( tmp && tmp.empty ) {
  count++;
  tmp.empty.add( resolve );
  }
  }
  resolve();
  return defer.promise( obj );
  }
  } );
  var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
  
  var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
  
  
  var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
  
  var documentElement = document.documentElement;
  
  
  
  var isAttached = function( elem ) {
  return jQuery.contains( elem.ownerDocument, elem );
  },
  composed = { composed: true };
  
  // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
  // Check attachment across shadow DOM boundaries when possible (gh-3504)
  // Support: iOS 10.0-10.2 only
  // Early iOS 10 versions support `attachShadow` but not `getRootNode`,
  // leading to errors. We need to check for `getRootNode`.
  if ( documentElement.getRootNode ) {
  isAttached = function( elem ) {
  return jQuery.contains( elem.ownerDocument, elem ) ||
  elem.getRootNode( composed ) === elem.ownerDocument;
  };
  }
  var isHiddenWithinTree = function( elem, el ) {
  
  // isHiddenWithinTree might be called from jQuery#filter function;
  // in that case, element will be second argument
  elem = el || elem;
  
  // Inline style trumps all
  return elem.style.display === "none" ||
  elem.style.display === "" &&
  
  // Otherwise, check computed style
  // Support: Firefox <=43 - 45
  // Disconnected elements can have computed display: none, so first confirm that elem is
  // in the document.
  isAttached( elem ) &&
  
  jQuery.css( elem, "display" ) === "none";
  };
  
  var swap = function( elem, options, callback, args ) {
  var ret, name,
  old = {};
  
  // Remember the old values, and insert the new ones
  for ( name in options ) {
  old[ name ] = elem.style[ name ];
  elem.style[ name ] = options[ name ];
  }
  
  ret = callback.apply( elem, args || [] );
  
  // Revert the old values
  for ( name in options ) {
  elem.style[ name ] = old[ name ];
  }
  
  return ret;
  };
  
  
  
  
  function adjustCSS( elem, prop, valueParts, tween ) {
  var adjusted, scale,
  maxIterations = 20,
  currentValue = tween ?
  function() {
  return tween.cur();
  } :
  function() {
  return jQuery.css( elem, prop, "" );
  },
  initial = currentValue(),
  unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
  
  // Starting value computation is required for potential unit mismatches
  initialInUnit = elem.nodeType &&
  ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
  rcssNum.exec( jQuery.css( elem, prop ) );
  
  if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
  
  // Support: Firefox <=54
  // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
  initial = initial / 2;
  
  // Trust units reported by jQuery.css
  unit = unit || initialInUnit[ 3 ];
  
  // Iteratively approximate from a nonzero starting point
  initialInUnit = +initial || 1;
  
  while ( maxIterations-- ) {
  
  // Evaluate and update our best guess (doubling guesses that zero out).
  // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
  jQuery.style( elem, prop, initialInUnit + unit );
  if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
  maxIterations = 0;
  }
  initialInUnit = initialInUnit / scale;
  
  }
  
  initialInUnit = initialInUnit * 2;
  jQuery.style( elem, prop, initialInUnit + unit );
  
  // Make sure we update the tween properties later on
  valueParts = valueParts || [];
  }
  
  if ( valueParts ) {
  initialInUnit = +initialInUnit || +initial || 0;
  
  // Apply relative offset (+=/-=) if specified
  adjusted = valueParts[ 1 ] ?
  initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
  +valueParts[ 2 ];
  if ( tween ) {
  tween.unit = unit;
  tween.start = initialInUnit;
  tween.end = adjusted;
  }
  }
  return adjusted;
  }
  
  
  var defaultDisplayMap = {};
  
  function getDefaultDisplay( elem ) {
  var temp,
  doc = elem.ownerDocument,
  nodeName = elem.nodeName,
  display = defaultDisplayMap[ nodeName ];
  
  if ( display ) {
  return display;
  }
  
  temp = doc.body.appendChild( doc.createElement( nodeName ) );
  display = jQuery.css( temp, "display" );
  
  temp.parentNode.removeChild( temp );
  
  if ( display === "none" ) {
  display = "block";
  }
  defaultDisplayMap[ nodeName ] = display;
  
  return display;
  }
  
  function showHide( elements, show ) {
  var display, elem,
  values = [],
  index = 0,
  length = elements.length;
  
  // Determine new display value for elements that need to change
  for ( ; index < length; index++ ) {
  elem = elements[ index ];
  if ( !elem.style ) {
  continue;
  }
  
  display = elem.style.display;
  if ( show ) {
  
  // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
  // check is required in this first loop unless we have a nonempty display value (either
  // inline or about-to-be-restored)
  if ( display === "none" ) {
  values[ index ] = dataPriv.get( elem, "display" ) || null;
  if ( !values[ index ] ) {
  elem.style.display = "";
  }
  }
  if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
  values[ index ] = getDefaultDisplay( elem );
  }
  } else {
  if ( display !== "none" ) {
  values[ index ] = "none";
  
  // Remember what we're overwriting
  dataPriv.set( elem, "display", display );
  }
  }
  }
  
  // Set the display of the elements in a second loop to avoid constant reflow
  for ( index = 0; index < length; index++ ) {
  if ( values[ index ] != null ) {
  elements[ index ].style.display = values[ index ];
  }
  }
  
  return elements;
  }
  
  jQuery.fn.extend( {
  show: function() {
  return showHide( this, true );
  },
  hide: function() {
  return showHide( this );
  },
  toggle: function( state ) {
  if ( typeof state === "boolean" ) {
  return state ? this.show() : this.hide();
  }
  
  return this.each( function() {
  if ( isHiddenWithinTree( this ) ) {
  jQuery( this ).show();
  } else {
  jQuery( this ).hide();
  }
  } );
  }
  } );
  var rcheckableType = ( /^(?:checkbox|radio)$/i );
  
  var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
  
  var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
  
  
  
  // We have to close these tags to support XHTML (#13200)
  var wrapMap = {
  
  // Support: IE <=9 only
  option: [ 1, "<select multiple='multiple'>", "</select>" ],
  
  // XHTML parsers do not magically insert elements in the
  // same way that tag soup parsers do. So we cannot shorten
  // this by omitting <tbody> or other required elements.
  thead: [ 1, "<table>", "</table>" ],
  col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
  tr: [ 2, "<table><tbody>", "</tbody></table>" ],
  td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
  
  _default: [ 0, "", "" ]
  };
  
  // Support: IE <=9 only
  wrapMap.optgroup = wrapMap.option;
  
  wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
  wrapMap.th = wrapMap.td;
  
  
  function getAll( context, tag ) {
  
  // Support: IE <=9 - 11 only
  // Use typeof to avoid zero-argument method invocation on host objects (#15151)
  var ret;
  
  if ( typeof context.getElementsByTagName !== "undefined" ) {
  ret = context.getElementsByTagName( tag || "*" );
  
  } else if ( typeof context.querySelectorAll !== "undefined" ) {
  ret = context.querySelectorAll( tag || "*" );
  
  } else {
  ret = [];
  }
  
  if ( tag === undefined || tag && nodeName( context, tag ) ) {
  return jQuery.merge( [ context ], ret );
  }
  
  return ret;
  }
  
  
  // Mark scripts as having already been evaluated
  function setGlobalEval( elems, refElements ) {
  var i = 0,
  l = elems.length;
  
  for ( ; i < l; i++ ) {
  dataPriv.set(
  elems[ i ],
  "globalEval",
  !refElements || dataPriv.get( refElements[ i ], "globalEval" )
  );
  }
  }
  
  
  var rhtml = /<|&#?\w+;/;
  
  function buildFragment( elems, context, scripts, selection, ignored ) {
  var elem, tmp, tag, wrap, attached, j,
  fragment = context.createDocumentFragment(),
  nodes = [],
  i = 0,
  l = elems.length;
  
  for ( ; i < l; i++ ) {
  elem = elems[ i ];
  
  if ( elem || elem === 0 ) {
  
  // Add nodes directly
  if ( toType( elem ) === "object" ) {
  
  // Support: Android <=4.0 only, PhantomJS 1 only
  // push.apply(_, arraylike) throws on ancient WebKit
  jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
  
  // Convert non-html into a text node
  } else if ( !rhtml.test( elem ) ) {
  nodes.push( context.createTextNode( elem ) );
  
  // Convert html into DOM nodes
  } else {
  tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
  
  // Deserialize a standard representation
  tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
  wrap = wrapMap[ tag ] || wrapMap._default;
  tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
  
  // Descend through wrappers to the right content
  j = wrap[ 0 ];
  while ( j-- ) {
  tmp = tmp.lastChild;
  }
  
  // Support: Android <=4.0 only, PhantomJS 1 only
  // push.apply(_, arraylike) throws on ancient WebKit
  jQuery.merge( nodes, tmp.childNodes );
  
  // Remember the top-level container
  tmp = fragment.firstChild;
  
  // Ensure the created nodes are orphaned (#12392)
  tmp.textContent = "";
  }
  }
  }
  
  // Remove wrapper from fragment
  fragment.textContent = "";
  
  i = 0;
  while ( ( elem = nodes[ i++ ] ) ) {
  
  // Skip elements already in the context collection (trac-4087)
  if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
  if ( ignored ) {
  ignored.push( elem );
  }
  continue;
  }
  
  attached = isAttached( elem );
  
  // Append to fragment
  tmp = getAll( fragment.appendChild( elem ), "script" );
  
  // Preserve script evaluation history
  if ( attached ) {
  setGlobalEval( tmp );
  }
  
  // Capture executables
  if ( scripts ) {
  j = 0;
  while ( ( elem = tmp[ j++ ] ) ) {
  if ( rscriptType.test( elem.type || "" ) ) {
  scripts.push( elem );
  }
  }
  }
  }
  
  return fragment;
  }
  
  
  ( function() {
  var fragment = document.createDocumentFragment(),
  div = fragment.appendChild( document.createElement( "div" ) ),
  input = document.createElement( "input" );
  
  // Support: Android 4.0 - 4.3 only
  // Check state lost if the name is set (#11217)
  // Support: Windows Web Apps (WWA)
  // `name` and `type` must use .setAttribute for WWA (#14901)
  input.setAttribute( "type", "radio" );
  input.setAttribute( "checked", "checked" );
  input.setAttribute( "name", "t" );
  
  div.appendChild( input );
  
  // Support: Android <=4.1 only
  // Older WebKit doesn't clone checked state correctly in fragments
  support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
  
  // Support: IE <=11 only
  // Make sure textarea (and checkbox) defaultValue is properly cloned
  div.innerHTML = "<textarea>x</textarea>";
  support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
  } )();
  
  
  var
  rkeyEvent = /^key/,
  rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
  rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
  
  function returnTrue() {
  return true;
  }
  
  function returnFalse() {
  return false;
  }
  
  // Support: IE <=9 - 11+
  // focus() and blur() are asynchronous, except when they are no-op.
  // So expect focus to be synchronous when the element is already active,
  // and blur to be synchronous when the element is not already active.
  // (focus and blur are always synchronous in other supported browsers,
  // this just defines when we can count on it).
  function expectSync( elem, type ) {
  return ( elem === safeActiveElement() ) === ( type === "focus" );
  }
  
  // Support: IE <=9 only
  // Accessing document.activeElement can throw unexpectedly
  // https://bugs.jquery.com/ticket/13393
  function safeActiveElement() {
  try {
  return document.activeElement;
  } catch ( err ) { }
  }
  
  function on( elem, types, selector, data, fn, one ) {
  var origFn, type;
  
  // Types can be a map of types/handlers
  if ( typeof types === "object" ) {
  
  // ( types-Object, selector, data )
  if ( typeof selector !== "string" ) {
  
  // ( types-Object, data )
  data = data || selector;
  selector = undefined;
  }
  for ( type in types ) {
  on( elem, type, selector, data, types[ type ], one );
  }
  return elem;
  }
  
  if ( data == null && fn == null ) {
  
  // ( types, fn )
  fn = selector;
  data = selector = undefined;
  } else if ( fn == null ) {
  if ( typeof selector === "string" ) {
  
  // ( types, selector, fn )
  fn = data;
  data = undefined;
  } else {
  
  // ( types, data, fn )
  fn = data;
  data = selector;
  selector = undefined;
  }
  }
  if ( fn === false ) {
  fn = returnFalse;
  } else if ( !fn ) {
  return elem;
  }
  
  if ( one === 1 ) {
  origFn = fn;
  fn = function( event ) {
  
  // Can use an empty set, since event contains the info
  jQuery().off( event );
  return origFn.apply( this, arguments );
  };
  
  // Use same guid so caller can remove using origFn
  fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
  }
  return elem.each( function() {
  jQuery.event.add( this, types, fn, data, selector );
  } );
  }
  
  /*
  * Helper functions for managing events -- not part of the public interface.
  * Props to Dean Edwards' addEvent library for many of the ideas.
  */
  jQuery.event = {
  
  global: {},
  
  add: function( elem, types, handler, data, selector ) {
  
  var handleObjIn, eventHandle, tmp,
  events, t, handleObj,
  special, handlers, type, namespaces, origType,
  elemData = dataPriv.get( elem );
  
  // Don't attach events to noData or text/comment nodes (but allow plain objects)
  if ( !elemData ) {
  return;
  }
  
  // Caller can pass in an object of custom data in lieu of the handler
  if ( handler.handler ) {
  handleObjIn = handler;
  handler = handleObjIn.handler;
  selector = handleObjIn.selector;
  }
  
  // Ensure that invalid selectors throw exceptions at attach time
  // Evaluate against documentElement in case elem is a non-element node (e.g., document)
  if ( selector ) {
  jQuery.find.matchesSelector( documentElement, selector );
  }
  
  // Make sure that the handler has a unique ID, used to find/remove it later
  if ( !handler.guid ) {
  handler.guid = jQuery.guid++;
  }
  
  // Init the element's event structure and main handler, if this is the first
  if ( !( events = elemData.events ) ) {
  events = elemData.events = {};
  }
  if ( !( eventHandle = elemData.handle ) ) {
  eventHandle = elemData.handle = function( e ) {
  
  // Discard the second event of a jQuery.event.trigger() and
  // when an event is called after a page has unloaded
  return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
  jQuery.event.dispatch.apply( elem, arguments ) : undefined;
  };
  }
  
  // Handle multiple events separated by a space
  types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
  t = types.length;
  while ( t-- ) {
  tmp = rtypenamespace.exec( types[ t ] ) || [];
  type = origType = tmp[ 1 ];
  namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
  
  // There *must* be a type, no attaching namespace-only handlers
  if ( !type ) {
  continue;
  }
  
  // If event changes its type, use the special event handlers for the changed type
  special = jQuery.event.special[ type ] || {};
  
  // If selector defined, determine special event api type, otherwise given type
  type = ( selector ? special.delegateType : special.bindType ) || type;
  
  // Update special based on newly reset type
  special = jQuery.event.special[ type ] || {};
  
  // handleObj is passed to all event handlers
  handleObj = jQuery.extend( {
  type: type,
  origType: origType,
  data: data,
  handler: handler,
  guid: handler.guid,
  selector: selector,
  needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
  namespace: namespaces.join( "." )
  }, handleObjIn );
  
  // Init the event handler queue if we're the first
  if ( !( handlers = events[ type ] ) ) {
  handlers = events[ type ] = [];
  handlers.delegateCount = 0;
  
  // Only use addEventListener if the special events handler returns false
  if ( !special.setup ||
  special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
  
  if ( elem.addEventListener ) {
  elem.addEventListener( type, eventHandle );
  }
  }
  }
  
  if ( special.add ) {
  special.add.call( elem, handleObj );
  
  if ( !handleObj.handler.guid ) {
  handleObj.handler.guid = handler.guid;
  }
  }
  
  // Add to the element's handler list, delegates in front
  if ( selector ) {
  handlers.splice( handlers.delegateCount++, 0, handleObj );
  } else {
  handlers.push( handleObj );
  }
  
  // Keep track of which events have ever been used, for event optimization
  jQuery.event.global[ type ] = true;
  }
  
  },
  
  // Detach an event or set of events from an element
  remove: function( elem, types, handler, selector, mappedTypes ) {
  
  var j, origCount, tmp,
  events, t, handleObj,
  special, handlers, type, namespaces, origType,
  elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
  
  if ( !elemData || !( events = elemData.events ) ) {
  return;
  }
  
  // Once for each type.namespace in types; type may be omitted
  types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
  t = types.length;
  while ( t-- ) {
  tmp = rtypenamespace.exec( types[ t ] ) || [];
  type = origType = tmp[ 1 ];
  namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
  
  // Unbind all events (on this namespace, if provided) for the element
  if ( !type ) {
  for ( type in events ) {
  jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
  }
  continue;
  }
  
  special = jQuery.event.special[ type ] || {};
  type = ( selector ? special.delegateType : special.bindType ) || type;
  handlers = events[ type ] || [];
  tmp = tmp[ 2 ] &&
  new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
  
  // Remove matching events
  origCount = j = handlers.length;
  while ( j-- ) {
  handleObj = handlers[ j ];
  
  if ( ( mappedTypes || origType === handleObj.origType ) &&
  ( !handler || handler.guid === handleObj.guid ) &&
  ( !tmp || tmp.test( handleObj.namespace ) ) &&
  ( !selector || selector === handleObj.selector ||
  selector === "**" && handleObj.selector ) ) {
  handlers.splice( j, 1 );
  
  if ( handleObj.selector ) {
  handlers.delegateCount--;
  }
  if ( special.remove ) {
  special.remove.call( elem, handleObj );
  }
  }
  }
  
  // Remove generic event handler if we removed something and no more handlers exist
  // (avoids potential for endless recursion during removal of special event handlers)
  if ( origCount && !handlers.length ) {
  if ( !special.teardown ||
  special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
  
  jQuery.removeEvent( elem, type, elemData.handle );
  }
  
  delete events[ type ];
  }
  }
  
  // Remove data and the expando if it's no longer used
  if ( jQuery.isEmptyObject( events ) ) {
  dataPriv.remove( elem, "handle events" );
  }
  },
  
  dispatch: function( nativeEvent ) {
  
  // Make a writable jQuery.Event from the native event object
  var event = jQuery.event.fix( nativeEvent );
  
  var i, j, ret, matched, handleObj, handlerQueue,
  args = new Array( arguments.length ),
  handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
  special = jQuery.event.special[ event.type ] || {};
  
  // Use the fix-ed jQuery.Event rather than the (read-only) native event
  args[ 0 ] = event;
  
  for ( i = 1; i < arguments.length; i++ ) {
  args[ i ] = arguments[ i ];
  }
  
  event.delegateTarget = this;
  
  // Call the preDispatch hook for the mapped type, and let it bail if desired
  if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
  return;
  }
  
  // Determine handlers
  handlerQueue = jQuery.event.handlers.call( this, event, handlers );
  
  // Run delegates first; they may want to stop propagation beneath us
  i = 0;
  while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
  event.currentTarget = matched.elem;
  
  j = 0;
  while ( ( handleObj = matched.handlers[ j++ ] ) &&
  !event.isImmediatePropagationStopped() ) {
  
  // If the event is namespaced, then each handler is only invoked if it is
  // specially universal or its namespaces are a superset of the event's.
  if ( !event.rnamespace || handleObj.namespace === false ||
  event.rnamespace.test( handleObj.namespace ) ) {
  
  event.handleObj = handleObj;
  event.data = handleObj.data;
  
  ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
  handleObj.handler ).apply( matched.elem, args );
  
  if ( ret !== undefined ) {
  if ( ( event.result = ret ) === false ) {
  event.preventDefault();
  event.stopPropagation();
  }
  }
  }
  }
  }
  
  // Call the postDispatch hook for the mapped type
  if ( special.postDispatch ) {
  special.postDispatch.call( this, event );
  }
  
  return event.result;
  },
  
  handlers: function( event, handlers ) {
  var i, handleObj, sel, matchedHandlers, matchedSelectors,
  handlerQueue = [],
  delegateCount = handlers.delegateCount,
  cur = event.target;
  
  // Find delegate handlers
  if ( delegateCount &&
  
  // Support: IE <=9
  // Black-hole SVG <use> instance trees (trac-13180)
  cur.nodeType &&
  
  // Support: Firefox <=42
  // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
  // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
  // Support: IE 11 only
  // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
  !( event.type === "click" && event.button >= 1 ) ) {
  
  for ( ; cur !== this; cur = cur.parentNode || this ) {
  
  // Don't check non-elements (#13208)
  // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
  if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
  matchedHandlers = [];
  matchedSelectors = {};
  for ( i = 0; i < delegateCount; i++ ) {
  handleObj = handlers[ i ];
  
  // Don't conflict with Object.prototype properties (#13203)
  sel = handleObj.selector + " ";
  
  if ( matchedSelectors[ sel ] === undefined ) {
  matchedSelectors[ sel ] = handleObj.needsContext ?
  jQuery( sel, this ).index( cur ) > -1 :
  jQuery.find( sel, this, null, [ cur ] ).length;
  }
  if ( matchedSelectors[ sel ] ) {
  matchedHandlers.push( handleObj );
  }
  }
  if ( matchedHandlers.length ) {
  handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
  }
  }
  }
  }
  
  // Add the remaining (directly-bound) handlers
  cur = this;
  if ( delegateCount < handlers.length ) {
  handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
  }
  
  return handlerQueue;
  },
  
  addProp: function( name, hook ) {
  Object.defineProperty( jQuery.Event.prototype, name, {
  enumerable: true,
  configurable: true,
  
  get: isFunction( hook ) ?
  function() {
  if ( this.originalEvent ) {
  return hook( this.originalEvent );
  }
  } :
  function() {
  if ( this.originalEvent ) {
  return this.originalEvent[ name ];
  }
  },
  
  set: function( value ) {
  Object.defineProperty( this, name, {
  enumerable: true,
  configurable: true,
  writable: true,
  value: value
  } );
  }
  } );
  },
  
  fix: function( originalEvent ) {
  return originalEvent[ jQuery.expando ] ?
  originalEvent :
  new jQuery.Event( originalEvent );
  },
  
  special: {
  load: {
  
  // Prevent triggered image.load events from bubbling to window.load
  noBubble: true
  },
  click: {
  
  // Utilize native event to ensure correct state for checkable inputs
  setup: function( data ) {
  
  // For mutual compressibility with _default, replace `this` access with a local var.
  // `|| data` is dead code meant only to preserve the variable through minification.
  var el = this || data;
  
  // Claim the first handler
  if ( rcheckableType.test( el.type ) &&
  el.click && nodeName( el, "input" ) ) {
  
  // dataPriv.set( el, "click", ... )
  leverageNative( el, "click", returnTrue );
  }
  
  // Return false to allow normal processing in the caller
  return false;
  },
  trigger: function( data ) {
  
  // For mutual compressibility with _default, replace `this` access with a local var.
  // `|| data` is dead code meant only to preserve the variable through minification.
  var el = this || data;
  
  // Force setup before triggering a click
  if ( rcheckableType.test( el.type ) &&
  el.click && nodeName( el, "input" ) ) {
  
  leverageNative( el, "click" );
  }
  
  // Return non-false to allow normal event-path propagation
  return true;
  },
  
  // For cross-browser consistency, suppress native .click() on links
  // Also prevent it if we're currently inside a leveraged native-event stack
  _default: function( event ) {
  var target = event.target;
  return rcheckableType.test( target.type ) &&
  target.click && nodeName( target, "input" ) &&
  dataPriv.get( target, "click" ) ||
  nodeName( target, "a" );
  }
  },
  
  beforeunload: {
  postDispatch: function( event ) {
  
  // Support: Firefox 20+
  // Firefox doesn't alert if the returnValue field is not set.
  if ( event.result !== undefined && event.originalEvent ) {
  event.originalEvent.returnValue = event.result;
  }
  }
  }
  }
  };
  
  // Ensure the presence of an event listener that handles manually-triggered
  // synthetic events by interrupting progress until reinvoked in response to
  // *native* events that it fires directly, ensuring that state changes have
  // already occurred before other listeners are invoked.
  function leverageNative( el, type, expectSync ) {
  
  // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
  if ( !expectSync ) {
  if ( dataPriv.get( el, type ) === undefined ) {
  jQuery.event.add( el, type, returnTrue );
  }
  return;
  }
  
  // Register the controller as a special universal handler for all event namespaces
  dataPriv.set( el, type, false );
  jQuery.event.add( el, type, {
  namespace: false,
  handler: function( event ) {
  var notAsync, result,
  saved = dataPriv.get( this, type );
  
  if ( ( event.isTrigger & 1 ) && this[ type ] ) {
  
  // Interrupt processing of the outer synthetic .trigger()ed event
  // Saved data should be false in such cases, but might be a leftover capture object
  // from an async native handler (gh-4350)
  if ( !saved.length ) {
  
  // Store arguments for use when handling the inner native event
  // There will always be at least one argument (an event object), so this array
  // will not be confused with a leftover capture object.
  saved = slice.call( arguments );
  dataPriv.set( this, type, saved );
  
  // Trigger the native event and capture its result
  // Support: IE <=9 - 11+
  // focus() and blur() are asynchronous
  notAsync = expectSync( this, type );
  this[ type ]();
  result = dataPriv.get( this, type );
  if ( saved !== result || notAsync ) {
  dataPriv.set( this, type, false );
  } else {
  result = {};
  }
  if ( saved !== result ) {
  
  // Cancel the outer synthetic event
  event.stopImmediatePropagation();
  event.preventDefault();
  return result.value;
  }
  
  // If this is an inner synthetic event for an event with a bubbling surrogate
  // (focus or blur), assume that the surrogate already propagated from triggering the
  // native event and prevent that from happening again here.
  // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
  // bubbling surrogate propagates *after* the non-bubbling base), but that seems
  // less bad than duplication.
  } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
  event.stopPropagation();
  }
  
  // If this is a native event triggered above, everything is now in order
  // Fire an inner synthetic event with the original arguments
  } else if ( saved.length ) {
  
  // ...and capture the result
  dataPriv.set( this, type, {
  value: jQuery.event.trigger(
  
  // Support: IE <=9 - 11+
  // Extend with the prototype to reset the above stopImmediatePropagation()
  jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
  saved.slice( 1 ),
  this
  )
  } );
  
  // Abort handling of the native event
  event.stopImmediatePropagation();
  }
  }
  } );
  }
  
  jQuery.removeEvent = function( elem, type, handle ) {
  
  // This "if" is needed for plain objects
  if ( elem.removeEventListener ) {
  elem.removeEventListener( type, handle );
  }
  };
  
  jQuery.Event = function( src, props ) {
  
  // Allow instantiation without the 'new' keyword
  if ( !( this instanceof jQuery.Event ) ) {
  return new jQuery.Event( src, props );
  }
  
  // Event object
  if ( src && src.type ) {
  this.originalEvent = src;
  this.type = src.type;
  
  // Events bubbling up the document may have been marked as prevented
  // by a handler lower down the tree; reflect the correct value.
  this.isDefaultPrevented = src.defaultPrevented ||
  src.defaultPrevented === undefined &&
  
  // Support: Android <=2.3 only
  src.returnValue === false ?
  returnTrue :
  returnFalse;
  
  // Create target properties
  // Support: Safari <=6 - 7 only
  // Target should not be a text node (#504, #13143)
  this.target = ( src.target && src.target.nodeType === 3 ) ?
  src.target.parentNode :
  src.target;
  
  this.currentTarget = src.currentTarget;
  this.relatedTarget = src.relatedTarget;
  
  // Event type
  } else {
  this.type = src;
  }
  
  // Put explicitly provided properties onto the event object
  if ( props ) {
  jQuery.extend( this, props );
  }
  
  // Create a timestamp if incoming event doesn't have one
  this.timeStamp = src && src.timeStamp || Date.now();
  
  // Mark it as fixed
  this[ jQuery.expando ] = true;
  };
  
  // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
  // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
  jQuery.Event.prototype = {
  constructor: jQuery.Event,
  isDefaultPrevented: returnFalse,
  isPropagationStopped: returnFalse,
  isImmediatePropagationStopped: returnFalse,
  isSimulated: false,
  
  preventDefault: function() {
  var e = this.originalEvent;
  
  this.isDefaultPrevented = returnTrue;
  
  if ( e && !this.isSimulated ) {
  e.preventDefault();
  }
  },
  stopPropagation: function() {
  var e = this.originalEvent;
  
  this.isPropagationStopped = returnTrue;
  
  if ( e && !this.isSimulated ) {
  e.stopPropagation();
  }
  },
  stopImmediatePropagation: function() {
  var e = this.originalEvent;
  
  this.isImmediatePropagationStopped = returnTrue;
  
  if ( e && !this.isSimulated ) {
  e.stopImmediatePropagation();
  }
  
  this.stopPropagation();
  }
  };
  
  // Includes all common event props including KeyEvent and MouseEvent specific props
  jQuery.each( {
  altKey: true,
  bubbles: true,
  cancelable: true,
  changedTouches: true,
  ctrlKey: true,
  detail: true,
  eventPhase: true,
  metaKey: true,
  pageX: true,
  pageY: true,
  shiftKey: true,
  view: true,
  "char": true,
  code: true,
  charCode: true,
  key: true,
  keyCode: true,
  button: true,
  buttons: true,
  clientX: true,
  clientY: true,
  offsetX: true,
  offsetY: true,
  pointerId: true,
  pointerType: true,
  screenX: true,
  screenY: true,
  targetTouches: true,
  toElement: true,
  touches: true,
  
  which: function( event ) {
  var button = event.button;
  
  // Add which for key events
  if ( event.which == null && rkeyEvent.test( event.type ) ) {
  return event.charCode != null ? event.charCode : event.keyCode;
  }
  
  // Add which for click: 1 === left; 2 === middle; 3 === right
  if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
  if ( button & 1 ) {
  return 1;
  }
  
  if ( button & 2 ) {
  return 3;
  }
  
  if ( button & 4 ) {
  return 2;
  }
  
  return 0;
  }
  
  return event.which;
  }
  }, jQuery.event.addProp );
  
  jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
  jQuery.event.special[ type ] = {
  
  // Utilize native event if possible so blur/focus sequence is correct
  setup: function() {
  
  // Claim the first handler
  // dataPriv.set( this, "focus", ... )
  // dataPriv.set( this, "blur", ... )
  leverageNative( this, type, expectSync );
  
  // Return false to allow normal processing in the caller
  return false;
  },
  trigger: function() {
  
  // Force setup before trigger
  leverageNative( this, type );
  
  // Return non-false to allow normal event-path propagation
  return true;
  },
  
  delegateType: delegateType
  };
  } );
  
  // Create mouseenter/leave events using mouseover/out and event-time checks
  // so that event delegation works in jQuery.
  // Do the same for pointerenter/pointerleave and pointerover/pointerout
  //
  // Support: Safari 7 only
  // Safari sends mouseenter too often; see:
  // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
  // for the description of the bug (it existed in older Chrome versions as well).
  jQuery.each( {
  mouseenter: "mouseover",
  mouseleave: "mouseout",
  pointerenter: "pointerover",
  pointerleave: "pointerout"
  }, function( orig, fix ) {
  jQuery.event.special[ orig ] = {
  delegateType: fix,
  bindType: fix,
  
  handle: function( event ) {
  var ret,
  target = this,
  related = event.relatedTarget,
  handleObj = event.handleObj;
  
  // For mouseenter/leave call the handler if related is outside the target.
  // NB: No relatedTarget if the mouse left/entered the browser window
  if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
  event.type = handleObj.origType;
  ret = handleObj.handler.apply( this, arguments );
  event.type = fix;
  }
  return ret;
  }
  };
  } );
  
  jQuery.fn.extend( {
  
  on: function( types, selector, data, fn ) {
  return on( this, types, selector, data, fn );
  },
  one: function( types, selector, data, fn ) {
  return on( this, types, selector, data, fn, 1 );
  },
  off: function( types, selector, fn ) {
  var handleObj, type;
  if ( types && types.preventDefault && types.handleObj ) {
  
  // ( event )  dispatched jQuery.Event
  handleObj = types.handleObj;
  jQuery( types.delegateTarget ).off(
  handleObj.namespace ?
  handleObj.origType + "." + handleObj.namespace :
  handleObj.origType,
  handleObj.selector,
  handleObj.handler
  );
  return this;
  }
  if ( typeof types === "object" ) {
  
  // ( types-object [, selector] )
  for ( type in types ) {
  this.off( type, selector, types[ type ] );
  }
  return this;
  }
  if ( selector === false || typeof selector === "function" ) {
  
  // ( types [, fn] )
  fn = selector;
  selector = undefined;
  }
  if ( fn === false ) {
  fn = returnFalse;
  }
  return this.each( function() {
  jQuery.event.remove( this, types, fn, selector );
  } );
  }
  } );
  
  
  var
  
  /* eslint-disable max-len */
  
  // See https://github.com/eslint/eslint/issues/3229
  rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
  
  /* eslint-enable */
  
  // Support: IE <=10 - 11, Edge 12 - 13 only
  // In IE/Edge using regex groups here causes severe slowdowns.
  // See https://connect.microsoft.com/IE/feedback/details/1736512/
  rnoInnerhtml = /<script|<style|<link/i,
  
  // checked="checked" or checked
  rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
  rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
  
  // Prefer a tbody over its parent table for containing new rows
  function manipulationTarget( elem, content ) {
  if ( nodeName( elem, "table" ) &&
  nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
  
  return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
  }
  
  return elem;
  }
  
  // Replace/restore the type attribute of script elements for safe DOM manipulation
  function disableScript( elem ) {
  elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
  return elem;
  }
  function restoreScript( elem ) {
  if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
  elem.type = elem.type.slice( 5 );
  } else {
  elem.removeAttribute( "type" );
  }
  
  return elem;
  }
  
  function cloneCopyEvent( src, dest ) {
  var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
  
  if ( dest.nodeType !== 1 ) {
  return;
  }
  
  // 1. Copy private data: events, handlers, etc.
  if ( dataPriv.hasData( src ) ) {
  pdataOld = dataPriv.access( src );
  pdataCur = dataPriv.set( dest, pdataOld );
  events = pdataOld.events;
  
  if ( events ) {
  delete pdataCur.handle;
  pdataCur.events = {};
  
  for ( type in events ) {
  for ( i = 0, l = events[ type ].length; i < l; i++ ) {
  jQuery.event.add( dest, type, events[ type ][ i ] );
  }
  }
  }
  }
  
  // 2. Copy user data
  if ( dataUser.hasData( src ) ) {
  udataOld = dataUser.access( src );
  udataCur = jQuery.extend( {}, udataOld );
  
  dataUser.set( dest, udataCur );
  }
  }
  
  // Fix IE bugs, see support tests
  function fixInput( src, dest ) {
  var nodeName = dest.nodeName.toLowerCase();
  
  // Fails to persist the checked state of a cloned checkbox or radio button.
  if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
  dest.checked = src.checked;
  
  // Fails to return the selected option to the default selected state when cloning options
  } else if ( nodeName === "input" || nodeName === "textarea" ) {
  dest.defaultValue = src.defaultValue;
  }
  }
  
  function domManip( collection, args, callback, ignored ) {
  
  // Flatten any nested arrays
  args = concat.apply( [], args );
  
  var fragment, first, scripts, hasScripts, node, doc,
  i = 0,
  l = collection.length,
  iNoClone = l - 1,
  value = args[ 0 ],
  valueIsFunction = isFunction( value );
  
  // We can't cloneNode fragments that contain checked, in WebKit
  if ( valueIsFunction ||
  ( l > 1 && typeof value === "string" &&
  !support.checkClone && rchecked.test( value ) ) ) {
  return collection.each( function( index ) {
  var self = collection.eq( index );
  if ( valueIsFunction ) {
  args[ 0 ] = value.call( this, index, self.html() );
  }
  domManip( self, args, callback, ignored );
  } );
  }
  
  if ( l ) {
  fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
  first = fragment.firstChild;
  
  if ( fragment.childNodes.length === 1 ) {
  fragment = first;
  }
  
  // Require either new content or an interest in ignored elements to invoke the callback
  if ( first || ignored ) {
  scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
  hasScripts = scripts.length;
  
  // Use the original fragment for the last item
  // instead of the first because it can end up
  // being emptied incorrectly in certain situations (#8070).
  for ( ; i < l; i++ ) {
  node = fragment;
  
  if ( i !== iNoClone ) {
  node = jQuery.clone( node, true, true );
  
  // Keep references to cloned scripts for later restoration
  if ( hasScripts ) {
  
  // Support: Android <=4.0 only, PhantomJS 1 only
  // push.apply(_, arraylike) throws on ancient WebKit
  jQuery.merge( scripts, getAll( node, "script" ) );
  }
  }
  
  callback.call( collection[ i ], node, i );
  }
  
  if ( hasScripts ) {
  doc = scripts[ scripts.length - 1 ].ownerDocument;
  
  // Reenable scripts
  jQuery.map( scripts, restoreScript );
  
  // Evaluate executable scripts on first document insertion
  for ( i = 0; i < hasScripts; i++ ) {
  node = scripts[ i ];
  if ( rscriptType.test( node.type || "" ) &&
  !dataPriv.access( node, "globalEval" ) &&
  jQuery.contains( doc, node ) ) {
  
  if ( node.src && ( node.type || "" ).toLowerCase()  !== "module" ) {
  
  // Optional AJAX dependency, but won't run scripts if not present
  if ( jQuery._evalUrl && !node.noModule ) {
  jQuery._evalUrl( node.src, {
  nonce: node.nonce || node.getAttribute( "nonce" )
  } );
  }
  } else {
  DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
  }
  }
  }
  }
  }
  }
  
  return collection;
  }
  
  function remove( elem, selector, keepData ) {
  var node,
  nodes = selector ? jQuery.filter( selector, elem ) : elem,
  i = 0;
  
  for ( ; ( node = nodes[ i ] ) != null; i++ ) {
  if ( !keepData && node.nodeType === 1 ) {
  jQuery.cleanData( getAll( node ) );
  }
  
  if ( node.parentNode ) {
  if ( keepData && isAttached( node ) ) {
  setGlobalEval( getAll( node, "script" ) );
  }
  node.parentNode.removeChild( node );
  }
  }
  
  return elem;
  }
  
  jQuery.extend( {
  htmlPrefilter: function( html ) {
  return html.replace( rxhtmlTag, "<$1></$2>" );
  },
  
  clone: function( elem, dataAndEvents, deepDataAndEvents ) {
  var i, l, srcElements, destElements,
  clone = elem.cloneNode( true ),
  inPage = isAttached( elem );
  
  // Fix IE cloning issues
  if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
  !jQuery.isXMLDoc( elem ) ) {
  
  // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
  destElements = getAll( clone );
  srcElements = getAll( elem );
  
  for ( i = 0, l = srcElements.length; i < l; i++ ) {
  fixInput( srcElements[ i ], destElements[ i ] );
  }
  }
  
  // Copy the events from the original to the clone
  if ( dataAndEvents ) {
  if ( deepDataAndEvents ) {
  srcElements = srcElements || getAll( elem );
  destElements = destElements || getAll( clone );
  
  for ( i = 0, l = srcElements.length; i < l; i++ ) {
  cloneCopyEvent( srcElements[ i ], destElements[ i ] );
  }
  } else {
  cloneCopyEvent( elem, clone );
  }
  }
  
  // Preserve script evaluation history
  destElements = getAll( clone, "script" );
  if ( destElements.length > 0 ) {
  setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
  }
  
  // Return the cloned set
  return clone;
  },
  
  cleanData: function( elems ) {
  var data, elem, type,
  special = jQuery.event.special,
  i = 0;
  
  for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
  if ( acceptData( elem ) ) {
  if ( ( data = elem[ dataPriv.expando ] ) ) {
  if ( data.events ) {
  for ( type in data.events ) {
  if ( special[ type ] ) {
  jQuery.event.remove( elem, type );
  
  // This is a shortcut to avoid jQuery.event.remove's overhead
  } else {
  jQuery.removeEvent( elem, type, data.handle );
  }
  }
  }
  
  // Support: Chrome <=35 - 45+
  // Assign undefined instead of using delete, see Data#remove
  elem[ dataPriv.expando ] = undefined;
  }
  if ( elem[ dataUser.expando ] ) {
  
  // Support: Chrome <=35 - 45+
  // Assign undefined instead of using delete, see Data#remove
  elem[ dataUser.expando ] = undefined;
  }
  }
  }
  }
  } );
  
  jQuery.fn.extend( {
  detach: function( selector ) {
  return remove( this, selector, true );
  },
  
  remove: function( selector ) {
  return remove( this, selector );
  },
  
  text: function( value ) {
  return access( this, function( value ) {
  return value === undefined ?
  jQuery.text( this ) :
  this.empty().each( function() {
  if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
  this.textContent = value;
  }
  } );
  }, null, value, arguments.length );
  },
  
  append: function() {
  return domManip( this, arguments, function( elem ) {
  if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
  var target = manipulationTarget( this, elem );
  target.appendChild( elem );
  }
  } );
  },
  
  prepend: function() {
  return domManip( this, arguments, function( elem ) {
  if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
  var target = manipulationTarget( this, elem );
  target.insertBefore( elem, target.firstChild );
  }
  } );
  },
  
  before: function() {
  return domManip( this, arguments, function( elem ) {
  if ( this.parentNode ) {
  this.parentNode.insertBefore( elem, this );
  }
  } );
  },
  
  after: function() {
  return domManip( this, arguments, function( elem ) {
  if ( this.parentNode ) {
  this.parentNode.insertBefore( elem, this.nextSibling );
  }
  } );
  },
  
  empty: function() {
  var elem,
  i = 0;
  
  for ( ; ( elem = this[ i ] ) != null; i++ ) {
  if ( elem.nodeType === 1 ) {
  
  // Prevent memory leaks
  jQuery.cleanData( getAll( elem, false ) );
  
  // Remove any remaining nodes
  elem.textContent = "";
  }
  }
  
  return this;
  },
  
  clone: function( dataAndEvents, deepDataAndEvents ) {
  dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
  deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
  
  return this.map( function() {
  return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
  } );
  },
  
  html: function( value ) {
  return access( this, function( value ) {
  var elem = this[ 0 ] || {},
  i = 0,
  l = this.length;
  
  if ( value === undefined && elem.nodeType === 1 ) {
  return elem.innerHTML;
  }
  
  // See if we can take a shortcut and just use innerHTML
  if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
  !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
  
  value = jQuery.htmlPrefilter( value );
  
  try {
  for ( ; i < l; i++ ) {
  elem = this[ i ] || {};
  
  // Remove element nodes and prevent memory leaks
  if ( elem.nodeType === 1 ) {
  jQuery.cleanData( getAll( elem, false ) );
  elem.innerHTML = value;
  }
  }
  
  elem = 0;
  
  // If using innerHTML throws an exception, use the fallback method
  } catch ( e ) {}
  }
  
  if ( elem ) {
  this.empty().append( value );
  }
  }, null, value, arguments.length );
  },
  
  replaceWith: function() {
  var ignored = [];
  
  // Make the changes, replacing each non-ignored context element with the new content
  return domManip( this, arguments, function( elem ) {
  var parent = this.parentNode;
  
  if ( jQuery.inArray( this, ignored ) < 0 ) {
  jQuery.cleanData( getAll( this ) );
  if ( parent ) {
  parent.replaceChild( elem, this );
  }
  }
  
  // Force callback invocation
  }, ignored );
  }
  } );
  
  jQuery.each( {
  appendTo: "append",
  prependTo: "prepend",
  insertBefore: "before",
  insertAfter: "after",
  replaceAll: "replaceWith"
  }, function( name, original ) {
  jQuery.fn[ name ] = function( selector ) {
  var elems,
  ret = [],
  insert = jQuery( selector ),
  last = insert.length - 1,
  i = 0;
  
  for ( ; i <= last; i++ ) {
  elems = i === last ? this : this.clone( true );
  jQuery( insert[ i ] )[ original ]( elems );
  
  // Support: Android <=4.0 only, PhantomJS 1 only
  // .get() because push.apply(_, arraylike) throws on ancient WebKit
  push.apply( ret, elems.get() );
  }
  
  return this.pushStack( ret );
  };
  } );
  var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
  
  var getStyles = function( elem ) {
  
  // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
  // IE throws on elements created in popups
  // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
  var view = elem.ownerDocument.defaultView;
  
  if ( !view || !view.opener ) {
  view = window;
  }
  
  return view.getComputedStyle( elem );
  };
  
  var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
  
  
  
  ( function() {
  
  // Executing both pixelPosition & boxSizingReliable tests require only one layout
  // so they're executed at the same time to save the second computation.
  function computeStyleTests() {
  
  // This is a singleton, we need to execute it only once
  if ( !div ) {
  return;
  }
  
  container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
  "margin-top:1px;padding:0;border:0";
  div.style.cssText =
  "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
  "margin:auto;border:1px;padding:1px;" +
  "width:60%;top:1%";
  documentElement.appendChild( container ).appendChild( div );
  
  var divStyle = window.getComputedStyle( div );
  pixelPositionVal = divStyle.top !== "1%";
  
  // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
  reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
  
  // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
  // Some styles come back with percentage values, even though they shouldn't
  div.style.right = "60%";
  pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
  
  // Support: IE 9 - 11 only
  // Detect misreporting of content dimensions for box-sizing:border-box elements
  boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
  
  // Support: IE 9 only
  // Detect overflow:scroll screwiness (gh-3699)
  // Support: Chrome <=64
  // Don't get tricked when zoom affects offsetWidth (gh-4029)
  div.style.position = "absolute";
  scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
  
  documentElement.removeChild( container );
  
  // Nullify the div so it wouldn't be stored in the memory and
  // it will also be a sign that checks already performed
  div = null;
  }
  
  function roundPixelMeasures( measure ) {
  return Math.round( parseFloat( measure ) );
  }
  
  var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
  reliableMarginLeftVal,
  container = document.createElement( "div" ),
  div = document.createElement( "div" );
  
  // Finish early in limited (non-browser) environments
  if ( !div.style ) {
  return;
  }
  
  // Support: IE <=9 - 11 only
  // Style of cloned element affects source element cloned (#8908)
  div.style.backgroundClip = "content-box";
  div.cloneNode( true ).style.backgroundClip = "";
  support.clearCloneStyle = div.style.backgroundClip === "content-box";
  
  jQuery.extend( support, {
  boxSizingReliable: function() {
  computeStyleTests();
  return boxSizingReliableVal;
  },
  pixelBoxStyles: function() {
  computeStyleTests();
  return pixelBoxStylesVal;
  },
  pixelPosition: function() {
  computeStyleTests();
  return pixelPositionVal;
  },
  reliableMarginLeft: function() {
  computeStyleTests();
  return reliableMarginLeftVal;
  },
  scrollboxSize: function() {
  computeStyleTests();
  return scrollboxSizeVal;
  }
  } );
  } )();
  
  
  function curCSS( elem, name, computed ) {
  var width, minWidth, maxWidth, ret,
  
  // Support: Firefox 51+
  // Retrieving style before computed somehow
  // fixes an issue with getting wrong values
  // on detached elements
  style = elem.style;
  
  computed = computed || getStyles( elem );
  
  // getPropertyValue is needed for:
  //   .css('filter') (IE 9 only, #12537)
  //   .css('--customProperty) (#3144)
  if ( computed ) {
  ret = computed.getPropertyValue( name ) || computed[ name ];
  
  if ( ret === "" && !isAttached( elem ) ) {
  ret = jQuery.style( elem, name );
  }
  
  // A tribute to the "awesome hack by Dean Edwards"
  // Android Browser returns percentage for some values,
  // but width seems to be reliably pixels.
  // This is against the CSSOM draft spec:
  // https://drafts.csswg.org/cssom/#resolved-values
  if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
  
  // Remember the original values
  width = style.width;
  minWidth = style.minWidth;
  maxWidth = style.maxWidth;
  
  // Put in the new values to get a computed value out
  style.minWidth = style.maxWidth = style.width = ret;
  ret = computed.width;
  
  // Revert the changed values
  style.width = width;
  style.minWidth = minWidth;
  style.maxWidth = maxWidth;
  }
  }
  
  return ret !== undefined ?
  
  // Support: IE <=9 - 11 only
  // IE returns zIndex value as an integer.
  ret + "" :
  ret;
  }
  
  
  function addGetHookIf( conditionFn, hookFn ) {
  
  // Define the hook, we'll check on the first run if it's really needed.
  return {
  get: function() {
  if ( conditionFn() ) {
  
  // Hook not needed (or it's not possible to use it due
  // to missing dependency), remove it.
  delete this.get;
  return;
  }
  
  // Hook needed; redefine it so that the support test is not executed again.
  return ( this.get = hookFn ).apply( this, arguments );
  }
  };
  }
  
  
  var cssPrefixes = [ "Webkit", "Moz", "ms" ],
  emptyStyle = document.createElement( "div" ).style,
  vendorProps = {};
  
  // Return a vendor-prefixed property or undefined
  function vendorPropName( name ) {
  
  // Check for vendor prefixed names
  var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
  i = cssPrefixes.length;
  
  while ( i-- ) {
  name = cssPrefixes[ i ] + capName;
  if ( name in emptyStyle ) {
  return name;
  }
  }
  }
  
  // Return a potentially-mapped jQuery.cssProps or vendor prefixed property
  function finalPropName( name ) {
  var final = jQuery.cssProps[ name ] || vendorProps[ name ];
  
  if ( final ) {
  return final;
  }
  if ( name in emptyStyle ) {
  return name;
  }
  return vendorProps[ name ] = vendorPropName( name ) || name;
  }
  
  
  var
  
  // Swappable if display is none or starts with table
  // except "table", "table-cell", or "table-caption"
  // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
  rdisplayswap = /^(none|table(?!-c[ea]).+)/,
  rcustomProp = /^--/,
  cssShow = { position: "absolute", visibility: "hidden", display: "block" },
  cssNormalTransform = {
  letterSpacing: "0",
  fontWeight: "400"
  };
  
  function setPositiveNumber( elem, value, subtract ) {
  
  // Any relative (+/-) values have already been
  // normalized at this point
  var matches = rcssNum.exec( value );
  return matches ?
  
  // Guard against undefined "subtract", e.g., when used as in cssHooks
  Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
  value;
  }
  
  function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
  var i = dimension === "width" ? 1 : 0,
  extra = 0,
  delta = 0;
  
  // Adjustment may not be necessary
  if ( box === ( isBorderBox ? "border" : "content" ) ) {
  return 0;
  }
  
  for ( ; i < 4; i += 2 ) {
  
  // Both box models exclude margin
  if ( box === "margin" ) {
  delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
  }
  
  // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
  if ( !isBorderBox ) {
  
  // Add padding
  delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
  
  // For "border" or "margin", add border
  if ( box !== "padding" ) {
  delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
  
  // But still keep track of it otherwise
  } else {
  extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
  }
  
  // If we get here with a border-box (content + padding + border), we're seeking "content" or
  // "padding" or "margin"
  } else {
  
  // For "content", subtract padding
  if ( box === "content" ) {
  delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
  }
  
  // For "content" or "padding", subtract border
  if ( box !== "margin" ) {
  delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
  }
  }
  }
  
  // Account for positive content-box scroll gutter when requested by providing computedVal
  if ( !isBorderBox && computedVal >= 0 ) {
  
  // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
  // Assuming integer scroll gutter, subtract the rest and round down
  delta += Math.max( 0, Math.ceil(
  elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
  computedVal -
  delta -
  extra -
  0.5
  
  // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
  // Use an explicit zero to avoid NaN (gh-3964)
  ) ) || 0;
  }
  
  return delta;
  }
  
  function getWidthOrHeight( elem, dimension, extra ) {
  
  // Start with computed style
  var styles = getStyles( elem ),
  
  // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
  // Fake content-box until we know it's needed to know the true value.
  boxSizingNeeded = !support.boxSizingReliable() || extra,
  isBorderBox = boxSizingNeeded &&
  jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
  valueIsBorderBox = isBorderBox,
  
  val = curCSS( elem, dimension, styles ),
  offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
  
  // Support: Firefox <=54
  // Return a confounding non-pixel value or feign ignorance, as appropriate.
  if ( rnumnonpx.test( val ) ) {
  if ( !extra ) {
  return val;
  }
  val = "auto";
  }
  
  
  // Fall back to offsetWidth/offsetHeight when value is "auto"
  // This happens for inline elements with no explicit setting (gh-3571)
  // Support: Android <=4.1 - 4.3 only
  // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
  // Support: IE 9-11 only
  // Also use offsetWidth/offsetHeight for when box sizing is unreliable
  // We use getClientRects() to check for hidden/disconnected.
  // In those cases, the computed value can be trusted to be border-box
  if ( ( !support.boxSizingReliable() && isBorderBox ||
  val === "auto" ||
  !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
  elem.getClientRects().length ) {
  
  isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
  
  // Where available, offsetWidth/offsetHeight approximate border box dimensions.
  // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
  // retrieved value as a content box dimension.
  valueIsBorderBox = offsetProp in elem;
  if ( valueIsBorderBox ) {
  val = elem[ offsetProp ];
  }
  }
  
  // Normalize "" and auto
  val = parseFloat( val ) || 0;
  
  // Adjust for the element's box model
  return ( val +
  boxModelAdjustment(
  elem,
  dimension,
  extra || ( isBorderBox ? "border" : "content" ),
  valueIsBorderBox,
  styles,
  
  // Provide the current computed size to request scroll gutter calculation (gh-3589)
  val
  )
  ) + "px";
  }
  
  jQuery.extend( {
  
  // Add in style property hooks for overriding the default
  // behavior of getting and setting a style property
  cssHooks: {
  opacity: {
  get: function( elem, computed ) {
  if ( computed ) {
  
  // We should always get a number back from opacity
  var ret = curCSS( elem, "opacity" );
  return ret === "" ? "1" : ret;
  }
  }
  }
  },
  
  // Don't automatically add "px" to these possibly-unitless properties
  cssNumber: {
  "animationIterationCount": true,
  "columnCount": true,
  "fillOpacity": true,
  "flexGrow": true,
  "flexShrink": true,
  "fontWeight": true,
  "gridArea": true,
  "gridColumn": true,
  "gridColumnEnd": true,
  "gridColumnStart": true,
  "gridRow": true,
  "gridRowEnd": true,
  "gridRowStart": true,
  "lineHeight": true,
  "opacity": true,
  "order": true,
  "orphans": true,
  "widows": true,
  "zIndex": true,
  "zoom": true
  },
  
  // Add in properties whose names you wish to fix before
  // setting or getting the value
  cssProps: {},
  
  // Get and set the style property on a DOM Node
  style: function( elem, name, value, extra ) {
  
  // Don't set styles on text and comment nodes
  if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
  return;
  }
  
  // Make sure that we're working with the right name
  var ret, type, hooks,
  origName = camelCase( name ),
  isCustomProp = rcustomProp.test( name ),
  style = elem.style;
  
  // Make sure that we're working with the right name. We don't
  // want to query the value if it is a CSS custom property
  // since they are user-defined.
  if ( !isCustomProp ) {
  name = finalPropName( origName );
  }
  
  // Gets hook for the prefixed version, then unprefixed version
  hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
  
  // Check if we're setting a value
  if ( value !== undefined ) {
  type = typeof value;
  
  // Convert "+=" or "-=" to relative numbers (#7345)
  if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
  value = adjustCSS( elem, name, ret );
  
  // Fixes bug #9237
  type = "number";
  }
  
  // Make sure that null and NaN values aren't set (#7116)
  if ( value == null || value !== value ) {
  return;
  }
  
  // If a number was passed in, add the unit (except for certain CSS properties)
  // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
  // "px" to a few hardcoded values.
  if ( type === "number" && !isCustomProp ) {
  value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
  }
  
  // background-* props affect original clone's values
  if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
  style[ name ] = "inherit";
  }
  
  // If a hook was provided, use that value, otherwise just set the specified value
  if ( !hooks || !( "set" in hooks ) ||
  ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
  
  if ( isCustomProp ) {
  style.setProperty( name, value );
  } else {
  style[ name ] = value;
  }
  }
  
  } else {
  
  // If a hook was provided get the non-computed value from there
  if ( hooks && "get" in hooks &&
  ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
  
  return ret;
  }
  
  // Otherwise just get the value from the style object
  return style[ name ];
  }
  },
  
  css: function( elem, name, extra, styles ) {
  var val, num, hooks,
  origName = camelCase( name ),
  isCustomProp = rcustomProp.test( name );
  
  // Make sure that we're working with the right name. We don't
  // want to modify the value if it is a CSS custom property
  // since they are user-defined.
  if ( !isCustomProp ) {
  name = finalPropName( origName );
  }
  
  // Try prefixed name followed by the unprefixed name
  hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
  
  // If a hook was provided get the computed value from there
  if ( hooks && "get" in hooks ) {
  val = hooks.get( elem, true, extra );
  }
  
  // Otherwise, if a way to get the computed value exists, use that
  if ( val === undefined ) {
  val = curCSS( elem, name, styles );
  }
  
  // Convert "normal" to computed value
  if ( val === "normal" && name in cssNormalTransform ) {
  val = cssNormalTransform[ name ];
  }
  
  // Make numeric if forced or a qualifier was provided and val looks numeric
  if ( extra === "" || extra ) {
  num = parseFloat( val );
  return extra === true || isFinite( num ) ? num || 0 : val;
  }
  
  return val;
  }
  } );
  
  jQuery.each( [ "height", "width" ], function( i, dimension ) {
  jQuery.cssHooks[ dimension ] = {
  get: function( elem, computed, extra ) {
  if ( computed ) {
  
  // Certain elements can have dimension info if we invisibly show them
  // but it must have a current display style that would benefit
  return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
  
  // Support: Safari 8+
  // Table columns in Safari have non-zero offsetWidth & zero
  // getBoundingClientRect().width unless display is changed.
  // Support: IE <=11 only
  // Running getBoundingClientRect on a disconnected node
  // in IE throws an error.
  ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
  swap( elem, cssShow, function() {
  return getWidthOrHeight( elem, dimension, extra );
  } ) :
  getWidthOrHeight( elem, dimension, extra );
  }
  },
  
  set: function( elem, value, extra ) {
  var matches,
  styles = getStyles( elem ),
  
  // Only read styles.position if the test has a chance to fail
  // to avoid forcing a reflow.
  scrollboxSizeBuggy = !support.scrollboxSize() &&
  styles.position === "absolute",
  
  // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
  boxSizingNeeded = scrollboxSizeBuggy || extra,
  isBorderBox = boxSizingNeeded &&
  jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
  subtract = extra ?
  boxModelAdjustment(
  elem,
  dimension,
  extra,
  isBorderBox,
  styles
  ) :
  0;
  
  // Account for unreliable border-box dimensions by comparing offset* to computed and
  // faking a content-box to get border and padding (gh-3699)
  if ( isBorderBox && scrollboxSizeBuggy ) {
  subtract -= Math.ceil(
  elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
  parseFloat( styles[ dimension ] ) -
  boxModelAdjustment( elem, dimension, "border", false, styles ) -
  0.5
  );
  }
  
  // Convert to pixels if value adjustment is needed
  if ( subtract && ( matches = rcssNum.exec( value ) ) &&
  ( matches[ 3 ] || "px" ) !== "px" ) {
  
  elem.style[ dimension ] = value;
  value = jQuery.css( elem, dimension );
  }
  
  return setPositiveNumber( elem, value, subtract );
  }
  };
  } );
  
  jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
  function( elem, computed ) {
  if ( computed ) {
  return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
  elem.getBoundingClientRect().left -
  swap( elem, { marginLeft: 0 }, function() {
  return elem.getBoundingClientRect().left;
  } )
  ) + "px";
  }
  }
  );
  
  // These hooks are used by animate to expand properties
  jQuery.each( {
  margin: "",
  padding: "",
  border: "Width"
  }, function( prefix, suffix ) {
  jQuery.cssHooks[ prefix + suffix ] = {
  expand: function( value ) {
  var i = 0,
  expanded = {},
  
  // Assumes a single number if not a string
  parts = typeof value === "string" ? value.split( " " ) : [ value ];
  
  for ( ; i < 4; i++ ) {
  expanded[ prefix + cssExpand[ i ] + suffix ] =
  parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
  }
  
  return expanded;
  }
  };
  
  if ( prefix !== "margin" ) {
  jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
  }
  } );
  
  jQuery.fn.extend( {
  css: function( name, value ) {
  return access( this, function( elem, name, value ) {
  var styles, len,
  map = {},
  i = 0;
  
  if ( Array.isArray( name ) ) {
  styles = getStyles( elem );
  len = name.length;
  
  for ( ; i < len; i++ ) {
  map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
  }
  
  return map;
  }
  
  return value !== undefined ?
  jQuery.style( elem, name, value ) :
  jQuery.css( elem, name );
  }, name, value, arguments.length > 1 );
  }
  } );
  
  
  function Tween( elem, options, prop, end, easing ) {
  return new Tween.prototype.init( elem, options, prop, end, easing );
  }
  jQuery.Tween = Tween;
  
  Tween.prototype = {
  constructor: Tween,
  init: function( elem, options, prop, end, easing, unit ) {
  this.elem = elem;
  this.prop = prop;
  this.easing = easing || jQuery.easing._default;
  this.options = options;
  this.start = this.now = this.cur();
  this.end = end;
  this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
  },
  cur: function() {
  var hooks = Tween.propHooks[ this.prop ];
  
  return hooks && hooks.get ?
  hooks.get( this ) :
  Tween.propHooks._default.get( this );
  },
  run: function( percent ) {
  var eased,
  hooks = Tween.propHooks[ this.prop ];
  
  if ( this.options.duration ) {
  this.pos = eased = jQuery.easing[ this.easing ](
  percent, this.options.duration * percent, 0, 1, this.options.duration
  );
  } else {
  this.pos = eased = percent;
  }
  this.now = ( this.end - this.start ) * eased + this.start;
  
  if ( this.options.step ) {
  this.options.step.call( this.elem, this.now, this );
  }
  
  if ( hooks && hooks.set ) {
  hooks.set( this );
  } else {
  Tween.propHooks._default.set( this );
  }
  return this;
  }
  };
  
  Tween.prototype.init.prototype = Tween.prototype;
  
  Tween.propHooks = {
  _default: {
  get: function( tween ) {
  var result;
  
  // Use a property on the element directly when it is not a DOM element,
  // or when there is no matching style property that exists.
  if ( tween.elem.nodeType !== 1 ||
  tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
  return tween.elem[ tween.prop ];
  }
  
  // Passing an empty string as a 3rd parameter to .css will automatically
  // attempt a parseFloat and fallback to a string if the parse fails.
  // Simple values such as "10px" are parsed to Float;
  // complex values such as "rotate(1rad)" are returned as-is.
  result = jQuery.css( tween.elem, tween.prop, "" );
  
  // Empty strings, null, undefined and "auto" are converted to 0.
  return !result || result === "auto" ? 0 : result;
  },
  set: function( tween ) {
  
  // Use step hook for back compat.
  // Use cssHook if its there.
  // Use .style if available and use plain properties where available.
  if ( jQuery.fx.step[ tween.prop ] ) {
  jQuery.fx.step[ tween.prop ]( tween );
  } else if ( tween.elem.nodeType === 1 && (
  jQuery.cssHooks[ tween.prop ] ||
  tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) {
  jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
  } else {
  tween.elem[ tween.prop ] = tween.now;
  }
  }
  }
  };
  
  // Support: IE <=9 only
  // Panic based approach to setting things on disconnected nodes
  Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
  set: function( tween ) {
  if ( tween.elem.nodeType && tween.elem.parentNode ) {
  tween.elem[ tween.prop ] = tween.now;
  }
  }
  };
  
  jQuery.easing = {
  linear: function( p ) {
  return p;
  },
  swing: function( p ) {
  return 0.5 - Math.cos( p * Math.PI ) / 2;
  },
  _default: "swing"
  };
  
  jQuery.fx = Tween.prototype.init;
  
  // Back compat <1.8 extension point
  jQuery.fx.step = {};
  
  
  
  
  var
  fxNow, inProgress,
  rfxtypes = /^(?:toggle|show|hide)$/,
  rrun = /queueHooks$/;
  
  function schedule() {
  if ( inProgress ) {
  if ( document.hidden === false && window.requestAnimationFrame ) {
  window.requestAnimationFrame( schedule );
  } else {
  window.setTimeout( schedule, jQuery.fx.interval );
  }
  
  jQuery.fx.tick();
  }
  }
  
  // Animations created synchronously will run synchronously
  function createFxNow() {
  window.setTimeout( function() {
  fxNow = undefined;
  } );
  return ( fxNow = Date.now() );
  }
  
  // Generate parameters to create a standard animation
  function genFx( type, includeWidth ) {
  var which,
  i = 0,
  attrs = { height: type };
  
  // If we include width, step value is 1 to do all cssExpand values,
  // otherwise step value is 2 to skip over Left and Right
  includeWidth = includeWidth ? 1 : 0;
  for ( ; i < 4; i += 2 - includeWidth ) {
  which = cssExpand[ i ];
  attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
  }
  
  if ( includeWidth ) {
  attrs.opacity = attrs.width = type;
  }
  
  return attrs;
  }
  
  function createTween( value, prop, animation ) {
  var tween,
  collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
  index = 0,
  length = collection.length;
  for ( ; index < length; index++ ) {
  if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
  
  // We're done with this property
  return tween;
  }
  }
  }
  
  function defaultPrefilter( elem, props, opts ) {
  var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
  isBox = "width" in props || "height" in props,
  anim = this,
  orig = {},
  style = elem.style,
  hidden = elem.nodeType && isHiddenWithinTree( elem ),
  dataShow = dataPriv.get( elem, "fxshow" );
  
  // Queue-skipping animations hijack the fx hooks
  if ( !opts.queue ) {
  hooks = jQuery._queueHooks( elem, "fx" );
  if ( hooks.unqueued == null ) {
  hooks.unqueued = 0;
  oldfire = hooks.empty.fire;
  hooks.empty.fire = function() {
  if ( !hooks.unqueued ) {
  oldfire();
  }
  };
  }
  hooks.unqueued++;
  
  anim.always( function() {
  
  // Ensure the complete handler is called before this completes
  anim.always( function() {
  hooks.unqueued--;
  if ( !jQuery.queue( elem, "fx" ).length ) {
  hooks.empty.fire();
  }
  } );
  } );
  }
  
  // Detect show/hide animations
  for ( prop in props ) {
  value = props[ prop ];
  if ( rfxtypes.test( value ) ) {
  delete props[ prop ];
  toggle = toggle || value === "toggle";
  if ( value === ( hidden ? "hide" : "show" ) ) {
  
  // Pretend to be hidden if this is a "show" and
  // there is still data from a stopped show/hide
  if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
  hidden = true;
  
  // Ignore all other no-op show/hide data
  } else {
  continue;
  }
  }
  orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
  }
  }
  
  // Bail out if this is a no-op like .hide().hide()
  propTween = !jQuery.isEmptyObject( props );
  if ( !propTween && jQuery.isEmptyObject( orig ) ) {
  return;
  }
  
  // Restrict "overflow" and "display" styles during box animations
  if ( isBox && elem.nodeType === 1 ) {
  
  // Support: IE <=9 - 11, Edge 12 - 15
  // Record all 3 overflow attributes because IE does not infer the shorthand
  // from identically-valued overflowX and overflowY and Edge just mirrors
  // the overflowX value there.
  opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
  
  // Identify a display type, preferring old show/hide data over the CSS cascade
  restoreDisplay = dataShow && dataShow.display;
  if ( restoreDisplay == null ) {
  restoreDisplay = dataPriv.get( elem, "display" );
  }
  display = jQuery.css( elem, "display" );
  if ( display === "none" ) {
  if ( restoreDisplay ) {
  display = restoreDisplay;
  } else {
  
  // Get nonempty value(s) by temporarily forcing visibility
  showHide( [ elem ], true );
  restoreDisplay = elem.style.display || restoreDisplay;
  display = jQuery.css( elem, "display" );
  showHide( [ elem ] );
  }
  }
  
  // Animate inline elements as inline-block
  if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
  if ( jQuery.css( elem, "float" ) === "none" ) {
  
  // Restore the original display value at the end of pure show/hide animations
  if ( !propTween ) {
  anim.done( function() {
  style.display = restoreDisplay;
  } );
  if ( restoreDisplay == null ) {
  display = style.display;
  restoreDisplay = display === "none" ? "" : display;
  }
  }
  style.display = "inline-block";
  }
  }
  }
  
  if ( opts.overflow ) {
  style.overflow = "hidden";
  anim.always( function() {
  style.overflow = opts.overflow[ 0 ];
  style.overflowX = opts.overflow[ 1 ];
  style.overflowY = opts.overflow[ 2 ];
  } );
  }
  
  // Implement show/hide animations
  propTween = false;
  for ( prop in orig ) {
  
  // General show/hide setup for this element animation
  if ( !propTween ) {
  if ( dataShow ) {
  if ( "hidden" in dataShow ) {
  hidden = dataShow.hidden;
  }
  } else {
  dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
  }
  
  // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
  if ( toggle ) {
  dataShow.hidden = !hidden;
  }
  
  // Show elements before animating them
  if ( hidden ) {
  showHide( [ elem ], true );
  }
  
  /* eslint-disable no-loop-func */
  
  anim.done( function() {
  
  /* eslint-enable no-loop-func */
  
  // The final step of a "hide" animation is actually hiding the element
  if ( !hidden ) {
  showHide( [ elem ] );
  }
  dataPriv.remove( elem, "fxshow" );
  for ( prop in orig ) {
  jQuery.style( elem, prop, orig[ prop ] );
  }
  } );
  }
  
  // Per-property setup
  propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
  if ( !( prop in dataShow ) ) {
  dataShow[ prop ] = propTween.start;
  if ( hidden ) {
  propTween.end = propTween.start;
  propTween.start = 0;
  }
  }
  }
  }
  
  function propFilter( props, specialEasing ) {
  var index, name, easing, value, hooks;
  
  // camelCase, specialEasing and expand cssHook pass
  for ( index in props ) {
  name = camelCase( index );
  easing = specialEasing[ name ];
  value = props[ index ];
  if ( Array.isArray( value ) ) {
  easing = value[ 1 ];
  value = props[ index ] = value[ 0 ];
  }
  
  if ( index !== name ) {
  props[ name ] = value;
  delete props[ index ];
  }
  
  hooks = jQuery.cssHooks[ name ];
  if ( hooks && "expand" in hooks ) {
  value = hooks.expand( value );
  delete props[ name ];
  
  // Not quite $.extend, this won't overwrite existing keys.
  // Reusing 'index' because we have the correct "name"
  for ( index in value ) {
  if ( !( index in props ) ) {
  props[ index ] = value[ index ];
  specialEasing[ index ] = easing;
  }
  }
  } else {
  specialEasing[ name ] = easing;
  }
  }
  }
  
  function Animation( elem, properties, options ) {
  var result,
  stopped,
  index = 0,
  length = Animation.prefilters.length,
  deferred = jQuery.Deferred().always( function() {
  
  // Don't match elem in the :animated selector
  delete tick.elem;
  } ),
  tick = function() {
  if ( stopped ) {
  return false;
  }
  var currentTime = fxNow || createFxNow(),
  remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
  
  // Support: Android 2.3 only
  // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
  temp = remaining / animation.duration || 0,
  percent = 1 - temp,
  index = 0,
  length = animation.tweens.length;
  
  for ( ; index < length; index++ ) {
  animation.tweens[ index ].run( percent );
  }
  
  deferred.notifyWith( elem, [ animation, percent, remaining ] );
  
  // If there's more to do, yield
  if ( percent < 1 && length ) {
  return remaining;
  }
  
  // If this was an empty animation, synthesize a final progress notification
  if ( !length ) {
  deferred.notifyWith( elem, [ animation, 1, 0 ] );
  }
  
  // Resolve the animation and report its conclusion
  deferred.resolveWith( elem, [ animation ] );
  return false;
  },
  animation = deferred.promise( {
  elem: elem,
  props: jQuery.extend( {}, properties ),
  opts: jQuery.extend( true, {
  specialEasing: {},
  easing: jQuery.easing._default
  }, options ),
  originalProperties: properties,
  originalOptions: options,
  startTime: fxNow || createFxNow(),
  duration: options.duration,
  tweens: [],
  createTween: function( prop, end ) {
  var tween = jQuery.Tween( elem, animation.opts, prop, end,
  animation.opts.specialEasing[ prop ] || animation.opts.easing );
  animation.tweens.push( tween );
  return tween;
  },
  stop: function( gotoEnd ) {
  var index = 0,
  
  // If we are going to the end, we want to run all the tweens
  // otherwise we skip this part
  length = gotoEnd ? animation.tweens.length : 0;
  if ( stopped ) {
  return this;
  }
  stopped = true;
  for ( ; index < length; index++ ) {
  animation.tweens[ index ].run( 1 );
  }
  
  // Resolve when we played the last frame; otherwise, reject
  if ( gotoEnd ) {
  deferred.notifyWith( elem, [ animation, 1, 0 ] );
  deferred.resolveWith( elem, [ animation, gotoEnd ] );
  } else {
  deferred.rejectWith( elem, [ animation, gotoEnd ] );
  }
  return this;
  }
  } ),
  props = animation.props;
  
  propFilter( props, animation.opts.specialEasing );
  
  for ( ; index < length; index++ ) {
  result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
  if ( result ) {
  if ( isFunction( result.stop ) ) {
  jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
  result.stop.bind( result );
  }
  return result;
  }
  }
  
  jQuery.map( props, createTween, animation );
  
  if ( isFunction( animation.opts.start ) ) {
  animation.opts.start.call( elem, animation );
  }
  
  // Attach callbacks from options
  animation
  .progress( animation.opts.progress )
  .done( animation.opts.done, animation.opts.complete )
  .fail( animation.opts.fail )
  .always( animation.opts.always );
  
  jQuery.fx.timer(
  jQuery.extend( tick, {
  elem: elem,
  anim: animation,
  queue: animation.opts.queue
  } )
  );
  
  return animation;
  }
  
  jQuery.Animation = jQuery.extend( Animation, {
  
  tweeners: {
  "*": [ function( prop, value ) {
  var tween = this.createTween( prop, value );
  adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
  return tween;
  } ]
  },
  
  tweener: function( props, callback ) {
  if ( isFunction( props ) ) {
  callback = props;
  props = [ "*" ];
  } else {
  props = props.match( rnothtmlwhite );
  }
  
  var prop,
  index = 0,
  length = props.length;
  
  for ( ; index < length; index++ ) {
  prop = props[ index ];
  Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
  Animation.tweeners[ prop ].unshift( callback );
  }
  },
  
  prefilters: [ defaultPrefilter ],
  
  prefilter: function( callback, prepend ) {
  if ( prepend ) {
  Animation.prefilters.unshift( callback );
  } else {
  Animation.prefilters.push( callback );
  }
  }
  } );
  
  jQuery.speed = function( speed, easing, fn ) {
  var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
  complete: fn || !fn && easing ||
  isFunction( speed ) && speed,
  duration: speed,
  easing: fn && easing || easing && !isFunction( easing ) && easing
  };
  
  // Go to the end state if fx are off
  if ( jQuery.fx.off ) {
  opt.duration = 0;
  
  } else {
  if ( typeof opt.duration !== "number" ) {
  if ( opt.duration in jQuery.fx.speeds ) {
  opt.duration = jQuery.fx.speeds[ opt.duration ];
  
  } else {
  opt.duration = jQuery.fx.speeds._default;
  }
  }
  }
  
  // Normalize opt.queue - true/undefined/null -> "fx"
  if ( opt.queue == null || opt.queue === true ) {
  opt.queue = "fx";
  }
  
  // Queueing
  opt.old = opt.complete;
  
  opt.complete = function() {
  if ( isFunction( opt.old ) ) {
  opt.old.call( this );
  }
  
  if ( opt.queue ) {
  jQuery.dequeue( this, opt.queue );
  }
  };
  
  return opt;
  };
  
  jQuery.fn.extend( {
  fadeTo: function( speed, to, easing, callback ) {
  
  // Show any hidden elements after setting opacity to 0
  return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
  
  // Animate to the value specified
  .end().animate( { opacity: to }, speed, easing, callback );
  },
  animate: function( prop, speed, easing, callback ) {
  var empty = jQuery.isEmptyObject( prop ),
  optall = jQuery.speed( speed, easing, callback ),
  doAnimation = function() {
  
  // Operate on a copy of prop so per-property easing won't be lost
  var anim = Animation( this, jQuery.extend( {}, prop ), optall );
  
  // Empty animations, or finishing resolves immediately
  if ( empty || dataPriv.get( this, "finish" ) ) {
  anim.stop( true );
  }
  };
  doAnimation.finish = doAnimation;
  
  return empty || optall.queue === false ?
  this.each( doAnimation ) :
  this.queue( optall.queue, doAnimation );
  },
  stop: function( type, clearQueue, gotoEnd ) {
  var stopQueue = function( hooks ) {
  var stop = hooks.stop;
  delete hooks.stop;
  stop( gotoEnd );
  };
  
  if ( typeof type !== "string" ) {
  gotoEnd = clearQueue;
  clearQueue = type;
  type = undefined;
  }
  if ( clearQueue && type !== false ) {
  this.queue( type || "fx", [] );
  }
  
  return this.each( function() {
  var dequeue = true,
  index = type != null && type + "queueHooks",
  timers = jQuery.timers,
  data = dataPriv.get( this );
  
  if ( index ) {
  if ( data[ index ] && data[ index ].stop ) {
  stopQueue( data[ index ] );
  }
  } else {
  for ( index in data ) {
  if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
  stopQueue( data[ index ] );
  }
  }
  }
  
  for ( index = timers.length; index--; ) {
  if ( timers[ index ].elem === this &&
  ( type == null || timers[ index ].queue === type ) ) {
  
  timers[ index ].anim.stop( gotoEnd );
  dequeue = false;
  timers.splice( index, 1 );
  }
  }
  
  // Start the next in the queue if the last step wasn't forced.
  // Timers currently will call their complete callbacks, which
  // will dequeue but only if they were gotoEnd.
  if ( dequeue || !gotoEnd ) {
  jQuery.dequeue( this, type );
  }
  } );
  },
  finish: function( type ) {
  if ( type !== false ) {
  type = type || "fx";
  }
  return this.each( function() {
  var index,
  data = dataPriv.get( this ),
  queue = data[ type + "queue" ],
  hooks = data[ type + "queueHooks" ],
  timers = jQuery.timers,
  length = queue ? queue.length : 0;
  
  // Enable finishing flag on private data
  data.finish = true;
  
  // Empty the queue first
  jQuery.queue( this, type, [] );
  
  if ( hooks && hooks.stop ) {
  hooks.stop.call( this, true );
  }
  
  // Look for any active animations, and finish them
  for ( index = timers.length; index--; ) {
  if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
  timers[ index ].anim.stop( true );
  timers.splice( index, 1 );
  }
  }
  
  // Look for any animations in the old queue and finish them
  for ( index = 0; index < length; index++ ) {
  if ( queue[ index ] && queue[ index ].finish ) {
  queue[ index ].finish.call( this );
  }
  }
  
  // Turn off finishing flag
  delete data.finish;
  } );
  }
  } );
  
  jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
  var cssFn = jQuery.fn[ name ];
  jQuery.fn[ name ] = function( speed, easing, callback ) {
  return speed == null || typeof speed === "boolean" ?
  cssFn.apply( this, arguments ) :
  this.animate( genFx( name, true ), speed, easing, callback );
  };
  } );
  
  // Generate shortcuts for custom animations
  jQuery.each( {
  slideDown: genFx( "show" ),
  slideUp: genFx( "hide" ),
  slideToggle: genFx( "toggle" ),
  fadeIn: { opacity: "show" },
  fadeOut: { opacity: "hide" },
  fadeToggle: { opacity: "toggle" }
  }, function( name, props ) {
  jQuery.fn[ name ] = function( speed, easing, callback ) {
  return this.animate( props, speed, easing, callback );
  };
  } );
  
  jQuery.timers = [];
  jQuery.fx.tick = function() {
  var timer,
  i = 0,
  timers = jQuery.timers;
  
  fxNow = Date.now();
  
  for ( ; i < timers.length; i++ ) {
  timer = timers[ i ];
  
  // Run the timer and safely remove it when done (allowing for external removal)
  if ( !timer() && timers[ i ] === timer ) {
  timers.splice( i--, 1 );
  }
  }
  
  if ( !timers.length ) {
  jQuery.fx.stop();
  }
  fxNow = undefined;
  };
  
  jQuery.fx.timer = function( timer ) {
  jQuery.timers.push( timer );
  jQuery.fx.start();
  };
  
  jQuery.fx.interval = 13;
  jQuery.fx.start = function() {
  if ( inProgress ) {
  return;
  }
  
  inProgress = true;
  schedule();
  };
  
  jQuery.fx.stop = function() {
  inProgress = null;
  };
  
  jQuery.fx.speeds = {
  slow: 600,
  fast: 200,
  
  // Default speed
  _default: 400
  };
  
  
  // Based off of the plugin by Clint Helfers, with permission.
  // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
  jQuery.fn.delay = function( time, type ) {
  time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
  type = type || "fx";
  
  return this.queue( type, function( next, hooks ) {
  var timeout = window.setTimeout( next, time );
  hooks.stop = function() {
  window.clearTimeout( timeout );
  };
  } );
  };
  
  
  ( function() {
  var input = document.createElement( "input" ),
  select = document.createElement( "select" ),
  opt = select.appendChild( document.createElement( "option" ) );
  
  input.type = "checkbox";
  
  // Support: Android <=4.3 only
  // Default value for a checkbox should be "on"
  support.checkOn = input.value !== "";
  
  // Support: IE <=11 only
  // Must access selectedIndex to make default options select
  support.optSelected = opt.selected;
  
  // Support: IE <=11 only
  // An input loses its value after becoming a radio
  input = document.createElement( "input" );
  input.value = "t";
  input.type = "radio";
  support.radioValue = input.value === "t";
  } )();
  
  
  var boolHook,
  attrHandle = jQuery.expr.attrHandle;
  
  jQuery.fn.extend( {
  attr: function( name, value ) {
  return access( this, jQuery.attr, name, value, arguments.length > 1 );
  },
  
  removeAttr: function( name ) {
  return this.each( function() {
  jQuery.removeAttr( this, name );
  } );
  }
  } );
  
  jQuery.extend( {
  attr: function( elem, name, value ) {
  var ret, hooks,
  nType = elem.nodeType;
  
  // Don't get/set attributes on text, comment and attribute nodes
  if ( nType === 3 || nType === 8 || nType === 2 ) {
  return;
  }
  
  // Fallback to prop when attributes are not supported
  if ( typeof elem.getAttribute === "undefined" ) {
  return jQuery.prop( elem, name, value );
  }
  
  // Attribute hooks are determined by the lowercase version
  // Grab necessary hook if one is defined
  if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
  hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
  ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
  }
  
  if ( value !== undefined ) {
  if ( value === null ) {
  jQuery.removeAttr( elem, name );
  return;
  }
  
  if ( hooks && "set" in hooks &&
  ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
  return ret;
  }
  
  elem.setAttribute( name, value + "" );
  return value;
  }
  
  if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
  return ret;
  }
  
  ret = jQuery.find.attr( elem, name );
  
  // Non-existent attributes return null, we normalize to undefined
  return ret == null ? undefined : ret;
  },
  
  attrHooks: {
  type: {
  set: function( elem, value ) {
  if ( !support.radioValue && value === "radio" &&
  nodeName( elem, "input" ) ) {
  var val = elem.value;
  elem.setAttribute( "type", value );
  if ( val ) {
  elem.value = val;
  }
  return value;
  }
  }
  }
  },
  
  removeAttr: function( elem, value ) {
  var name,
  i = 0,
  
  // Attribute names can contain non-HTML whitespace characters
  // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
  attrNames = value && value.match( rnothtmlwhite );
  
  if ( attrNames && elem.nodeType === 1 ) {
  while ( ( name = attrNames[ i++ ] ) ) {
  elem.removeAttribute( name );
  }
  }
  }
  } );
  
  // Hooks for boolean attributes
  boolHook = {
  set: function( elem, value, name ) {
  if ( value === false ) {
  
  // Remove boolean attributes when set to false
  jQuery.removeAttr( elem, name );
  } else {
  elem.setAttribute( name, name );
  }
  return name;
  }
  };
  
  jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
  var getter = attrHandle[ name ] || jQuery.find.attr;
  
  attrHandle[ name ] = function( elem, name, isXML ) {
  var ret, handle,
  lowercaseName = name.toLowerCase();
  
  if ( !isXML ) {
  
  // Avoid an infinite loop by temporarily removing this function from the getter
  handle = attrHandle[ lowercaseName ];
  attrHandle[ lowercaseName ] = ret;
  ret = getter( elem, name, isXML ) != null ?
  lowercaseName :
  null;
  attrHandle[ lowercaseName ] = handle;
  }
  return ret;
  };
  } );
  
  
  
  
  var rfocusable = /^(?:input|select|textarea|button)$/i,
  rclickable = /^(?:a|area)$/i;
  
  jQuery.fn.extend( {
  prop: function( name, value ) {
  return access( this, jQuery.prop, name, value, arguments.length > 1 );
  },
  
  removeProp: function( name ) {
  return this.each( function() {
  delete this[ jQuery.propFix[ name ] || name ];
  } );
  }
  } );
  
  jQuery.extend( {
  prop: function( elem, name, value ) {
  var ret, hooks,
  nType = elem.nodeType;
  
  // Don't get/set properties on text, comment and attribute nodes
  if ( nType === 3 || nType === 8 || nType === 2 ) {
  return;
  }
  
  if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
  
  // Fix name and attach hooks
  name = jQuery.propFix[ name ] || name;
  hooks = jQuery.propHooks[ name ];
  }
  
  if ( value !== undefined ) {
  if ( hooks && "set" in hooks &&
  ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
  return ret;
  }
  
  return ( elem[ name ] = value );
  }
  
  if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
  return ret;
  }
  
  return elem[ name ];
  },
  
  propHooks: {
  tabIndex: {
  get: function( elem ) {
  
  // Support: IE <=9 - 11 only
  // elem.tabIndex doesn't always return the
  // correct value when it hasn't been explicitly set
  // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
  // Use proper attribute retrieval(#12072)
  var tabindex = jQuery.find.attr( elem, "tabindex" );
  
  if ( tabindex ) {
  return parseInt( tabindex, 10 );
  }
  
  if (
  rfocusable.test( elem.nodeName ) ||
  rclickable.test( elem.nodeName ) &&
  elem.href
  ) {
  return 0;
  }
  
  return -1;
  }
  }
  },
  
  propFix: {
  "for": "htmlFor",
  "class": "className"
  }
  } );
  
  // Support: IE <=11 only
  // Accessing the selectedIndex property
  // forces the browser to respect setting selected
  // on the option
  // The getter ensures a default option is selected
  // when in an optgroup
  // eslint rule "no-unused-expressions" is disabled for this code
  // since it considers such accessions noop
  if ( !support.optSelected ) {
  jQuery.propHooks.selected = {
  get: function( elem ) {
  
  /* eslint no-unused-expressions: "off" */
  
  var parent = elem.parentNode;
  if ( parent && parent.parentNode ) {
  parent.parentNode.selectedIndex;
  }
  return null;
  },
  set: function( elem ) {
  
  /* eslint no-unused-expressions: "off" */
  
  var parent = elem.parentNode;
  if ( parent ) {
  parent.selectedIndex;
  
  if ( parent.parentNode ) {
  parent.parentNode.selectedIndex;
  }
  }
  }
  };
  }
  
  jQuery.each( [
  "tabIndex",
  "readOnly",
  "maxLength",
  "cellSpacing",
  "cellPadding",
  "rowSpan",
  "colSpan",
  "useMap",
  "frameBorder",
  "contentEditable"
  ], function() {
  jQuery.propFix[ this.toLowerCase() ] = this;
  } );
  
  
  
  
  // Strip and collapse whitespace according to HTML spec
  // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
  function stripAndCollapse( value ) {
  var tokens = value.match( rnothtmlwhite ) || [];
  return tokens.join( " " );
  }
  
  
  function getClass( elem ) {
  return elem.getAttribute && elem.getAttribute( "class" ) || "";
  }
  
  function classesToArray( value ) {
  if ( Array.isArray( value ) ) {
  return value;
  }
  if ( typeof value === "string" ) {
  return value.match( rnothtmlwhite ) || [];
  }
  return [];
  }
  
  jQuery.fn.extend( {
  addClass: function( value ) {
  var classes, elem, cur, curValue, clazz, j, finalValue,
  i = 0;
  
  if ( isFunction( value ) ) {
  return this.each( function( j ) {
  jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
  } );
  }
  
  classes = classesToArray( value );
  
  if ( classes.length ) {
  while ( ( elem = this[ i++ ] ) ) {
  curValue = getClass( elem );
  cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
  
  if ( cur ) {
  j = 0;
  while ( ( clazz = classes[ j++ ] ) ) {
  if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
  cur += clazz + " ";
  }
  }
  
  // Only assign if different to avoid unneeded rendering.
  finalValue = stripAndCollapse( cur );
  if ( curValue !== finalValue ) {
  elem.setAttribute( "class", finalValue );
  }
  }
  }
  }
  
  return this;
  },
  
  removeClass: function( value ) {
  var classes, elem, cur, curValue, clazz, j, finalValue,
  i = 0;
  
  if ( isFunction( value ) ) {
  return this.each( function( j ) {
  jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
  } );
  }
  
  if ( !arguments.length ) {
  return this.attr( "class", "" );
  }
  
  classes = classesToArray( value );
  
  if ( classes.length ) {
  while ( ( elem = this[ i++ ] ) ) {
  curValue = getClass( elem );
  
  // This expression is here for better compressibility (see addClass)
  cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
  
  if ( cur ) {
  j = 0;
  while ( ( clazz = classes[ j++ ] ) ) {
  
  // Remove *all* instances
  while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
  cur = cur.replace( " " + clazz + " ", " " );
  }
  }
  
  // Only assign if different to avoid unneeded rendering.
  finalValue = stripAndCollapse( cur );
  if ( curValue !== finalValue ) {
  elem.setAttribute( "class", finalValue );
  }
  }
  }
  }
  
  return this;
  },
  
  toggleClass: function( value, stateVal ) {
  var type = typeof value,
  isValidValue = type === "string" || Array.isArray( value );
  
  if ( typeof stateVal === "boolean" && isValidValue ) {
  return stateVal ? this.addClass( value ) : this.removeClass( value );
  }
  
  if ( isFunction( value ) ) {
  return this.each( function( i ) {
  jQuery( this ).toggleClass(
  value.call( this, i, getClass( this ), stateVal ),
  stateVal
  );
  } );
  }
  
  return this.each( function() {
  var className, i, self, classNames;
  
  if ( isValidValue ) {
  
  // Toggle individual class names
  i = 0;
  self = jQuery( this );
  classNames = classesToArray( value );
  
  while ( ( className = classNames[ i++ ] ) ) {
  
  // Check each className given, space separated list
  if ( self.hasClass( className ) ) {
  self.removeClass( className );
  } else {
  self.addClass( className );
  }
  }
  
  // Toggle whole class name
  } else if ( value === undefined || type === "boolean" ) {
  className = getClass( this );
  if ( className ) {
  
  // Store className if set
  dataPriv.set( this, "__className__", className );
  }
  
  // If the element has a class name or if we're passed `false`,
  // then remove the whole classname (if there was one, the above saved it).
  // Otherwise bring back whatever was previously saved (if anything),
  // falling back to the empty string if nothing was stored.
  if ( this.setAttribute ) {
  this.setAttribute( "class",
  className || value === false ?
  "" :
  dataPriv.get( this, "__className__" ) || ""
  );
  }
  }
  } );
  },
  
  hasClass: function( selector ) {
  var className, elem,
  i = 0;
  
  className = " " + selector + " ";
  while ( ( elem = this[ i++ ] ) ) {
  if ( elem.nodeType === 1 &&
  ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
  return true;
  }
  }
  
  return false;
  }
  } );
  
  
  
  
  var rreturn = /\r/g;
  
  jQuery.fn.extend( {
  val: function( value ) {
  var hooks, ret, valueIsFunction,
  elem = this[ 0 ];
  
  if ( !arguments.length ) {
  if ( elem ) {
  hooks = jQuery.valHooks[ elem.type ] ||
  jQuery.valHooks[ elem.nodeName.toLowerCase() ];
  
  if ( hooks &&
  "get" in hooks &&
  ( ret = hooks.get( elem, "value" ) ) !== undefined
  ) {
  return ret;
  }
  
  ret = elem.value;
  
  // Handle most common string cases
  if ( typeof ret === "string" ) {
  return ret.replace( rreturn, "" );
  }
  
  // Handle cases where value is null/undef or number
  return ret == null ? "" : ret;
  }
  
  return;
  }
  
  valueIsFunction = isFunction( value );
  
  return this.each( function( i ) {
  var val;
  
  if ( this.nodeType !== 1 ) {
  return;
  }
  
  if ( valueIsFunction ) {
  val = value.call( this, i, jQuery( this ).val() );
  } else {
  val = value;
  }
  
  // Treat null/undefined as ""; convert numbers to string
  if ( val == null ) {
  val = "";
  
  } else if ( typeof val === "number" ) {
  val += "";
  
  } else if ( Array.isArray( val ) ) {
  val = jQuery.map( val, function( value ) {
  return value == null ? "" : value + "";
  } );
  }
  
  hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
  
  // If set returns undefined, fall back to normal setting
  if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
  this.value = val;
  }
  } );
  }
  } );
  
  jQuery.extend( {
  valHooks: {
  option: {
  get: function( elem ) {
  
  var val = jQuery.find.attr( elem, "value" );
  return val != null ?
  val :
  
  // Support: IE <=10 - 11 only
  // option.text throws exceptions (#14686, #14858)
  // Strip and collapse whitespace
  // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
  stripAndCollapse( jQuery.text( elem ) );
  }
  },
  select: {
  get: function( elem ) {
  var value, option, i,
  options = elem.options,
  index = elem.selectedIndex,
  one = elem.type === "select-one",
  values = one ? null : [],
  max = one ? index + 1 : options.length;
  
  if ( index < 0 ) {
  i = max;
  
  } else {
  i = one ? index : 0;
  }
  
  // Loop through all the selected options
  for ( ; i < max; i++ ) {
  option = options[ i ];
  
  // Support: IE <=9 only
  // IE8-9 doesn't update selected after form reset (#2551)
  if ( ( option.selected || i === index ) &&
  
  // Don't return options that are disabled or in a disabled optgroup
  !option.disabled &&
  ( !option.parentNode.disabled ||
  !nodeName( option.parentNode, "optgroup" ) ) ) {
  
  // Get the specific value for the option
  value = jQuery( option ).val();
  
  // We don't need an array for one selects
  if ( one ) {
  return value;
  }
  
  // Multi-Selects return an array
  values.push( value );
  }
  }
  
  return values;
  },
  
  set: function( elem, value ) {
  var optionSet, option,
  options = elem.options,
  values = jQuery.makeArray( value ),
  i = options.length;
  
  while ( i-- ) {
  option = options[ i ];
  
  /* eslint-disable no-cond-assign */
  
  if ( option.selected =
  jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
  ) {
  optionSet = true;
  }
  
  /* eslint-enable no-cond-assign */
  }
  
  // Force browsers to behave consistently when non-matching value is set
  if ( !optionSet ) {
  elem.selectedIndex = -1;
  }
  return values;
  }
  }
  }
  } );
  
  // Radios and checkboxes getter/setter
  jQuery.each( [ "radio", "checkbox" ], function() {
  jQuery.valHooks[ this ] = {
  set: function( elem, value ) {
  if ( Array.isArray( value ) ) {
  return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
  }
  }
  };
  if ( !support.checkOn ) {
  jQuery.valHooks[ this ].get = function( elem ) {
  return elem.getAttribute( "value" ) === null ? "on" : elem.value;
  };
  }
  } );
  
  
  
  
  // Return jQuery for attributes-only inclusion
  
  
  support.focusin = "onfocusin" in window;
  
  
  var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
  stopPropagationCallback = function( e ) {
  e.stopPropagation();
  };
  
  jQuery.extend( jQuery.event, {
  
  trigger: function( event, data, elem, onlyHandlers ) {
  
  var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
  eventPath = [ elem || document ],
  type = hasOwn.call( event, "type" ) ? event.type : event,
  namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
  
  cur = lastElement = tmp = elem = elem || document;
  
  // Don't do events on text and comment nodes
  if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
  return;
  }
  
  // focus/blur morphs to focusin/out; ensure we're not firing them right now
  if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
  return;
  }
  
  if ( type.indexOf( "." ) > -1 ) {
  
  // Namespaced trigger; create a regexp to match event type in handle()
  namespaces = type.split( "." );
  type = namespaces.shift();
  namespaces.sort();
  }
  ontype = type.indexOf( ":" ) < 0 && "on" + type;
  
  // Caller can pass in a jQuery.Event object, Object, or just an event type string
  event = event[ jQuery.expando ] ?
  event :
  new jQuery.Event( type, typeof event === "object" && event );
  
  // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
  event.isTrigger = onlyHandlers ? 2 : 3;
  event.namespace = namespaces.join( "." );
  event.rnamespace = event.namespace ?
  new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
  null;
  
  // Clean up the event in case it is being reused
  event.result = undefined;
  if ( !event.target ) {
  event.target = elem;
  }
  
  // Clone any incoming data and prepend the event, creating the handler arg list
  data = data == null ?
  [ event ] :
  jQuery.makeArray( data, [ event ] );
  
  // Allow special events to draw outside the lines
  special = jQuery.event.special[ type ] || {};
  if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
  return;
  }
  
  // Determine event propagation path in advance, per W3C events spec (#9951)
  // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
  if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
  
  bubbleType = special.delegateType || type;
  if ( !rfocusMorph.test( bubbleType + type ) ) {
  cur = cur.parentNode;
  }
  for ( ; cur; cur = cur.parentNode ) {
  eventPath.push( cur );
  tmp = cur;
  }
  
  // Only add window if we got to document (e.g., not plain obj or detached DOM)
  if ( tmp === ( elem.ownerDocument || document ) ) {
  eventPath.push( tmp.defaultView || tmp.parentWindow || window );
  }
  }
  
  // Fire handlers on the event path
  i = 0;
  while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
  lastElement = cur;
  event.type = i > 1 ?
  bubbleType :
  special.bindType || type;
  
  // jQuery handler
  handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
  dataPriv.get( cur, "handle" );
  if ( handle ) {
  handle.apply( cur, data );
  }
  
  // Native handler
  handle = ontype && cur[ ontype ];
  if ( handle && handle.apply && acceptData( cur ) ) {
  event.result = handle.apply( cur, data );
  if ( event.result === false ) {
  event.preventDefault();
  }
  }
  }
  event.type = type;
  
  // If nobody prevented the default action, do it now
  if ( !onlyHandlers && !event.isDefaultPrevented() ) {
  
  if ( ( !special._default ||
  special._default.apply( eventPath.pop(), data ) === false ) &&
  acceptData( elem ) ) {
  
  // Call a native DOM method on the target with the same name as the event.
  // Don't do default actions on window, that's where global variables be (#6170)
  if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
  
  // Don't re-trigger an onFOO event when we call its FOO() method
  tmp = elem[ ontype ];
  
  if ( tmp ) {
  elem[ ontype ] = null;
  }
  
  // Prevent re-triggering of the same event, since we already bubbled it above
  jQuery.event.triggered = type;
  
  if ( event.isPropagationStopped() ) {
  lastElement.addEventListener( type, stopPropagationCallback );
  }
  
  elem[ type ]();
  
  if ( event.isPropagationStopped() ) {
  lastElement.removeEventListener( type, stopPropagationCallback );
  }
  
  jQuery.event.triggered = undefined;
  
  if ( tmp ) {
  elem[ ontype ] = tmp;
  }
  }
  }
  }
  
  return event.result;
  },
  
  // Piggyback on a donor event to simulate a different one
  // Used only for `focus(in | out)` events
  simulate: function( type, elem, event ) {
  var e = jQuery.extend(
  new jQuery.Event(),
  event,
  {
  type: type,
  isSimulated: true
  }
  );
  
  jQuery.event.trigger( e, null, elem );
  }
  
  } );
  
  jQuery.fn.extend( {
  
  trigger: function( type, data ) {
  return this.each( function() {
  jQuery.event.trigger( type, data, this );
  } );
  },
  triggerHandler: function( type, data ) {
  var elem = this[ 0 ];
  if ( elem ) {
  return jQuery.event.trigger( type, data, elem, true );
  }
  }
  } );
  
  
  // Support: Firefox <=44
  // Firefox doesn't have focus(in | out) events
  // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
  //
  // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
  // focus(in | out) events fire after focus & blur events,
  // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
  // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
  if ( !support.focusin ) {
  jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
  
  // Attach a single capturing handler on the document while someone wants focusin/focusout
  var handler = function( event ) {
  jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
  };
  
  jQuery.event.special[ fix ] = {
  setup: function() {
  var doc = this.ownerDocument || this,
  attaches = dataPriv.access( doc, fix );
  
  if ( !attaches ) {
  doc.addEventListener( orig, handler, true );
  }
  dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
  },
  teardown: function() {
  var doc = this.ownerDocument || this,
  attaches = dataPriv.access( doc, fix ) - 1;
  
  if ( !attaches ) {
  doc.removeEventListener( orig, handler, true );
  dataPriv.remove( doc, fix );
  
  } else {
  dataPriv.access( doc, fix, attaches );
  }
  }
  };
  } );
  }
  var location = window.location;
  
  var nonce = Date.now();
  
  var rquery = ( /\?/ );
  
  
  
  // Cross-browser xml parsing
  jQuery.parseXML = function( data ) {
  var xml;
  if ( !data || typeof data !== "string" ) {
  return null;
  }
  
  // Support: IE 9 - 11 only
  // IE throws on parseFromString with invalid input.
  try {
  xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
  } catch ( e ) {
  xml = undefined;
  }
  
  if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
  jQuery.error( "Invalid XML: " + data );
  }
  return xml;
  };
  
  
  var
  rbracket = /\[\]$/,
  rCRLF = /\r?\n/g,
  rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
  rsubmittable = /^(?:input|select|textarea|keygen)/i;
  
  function buildParams( prefix, obj, traditional, add ) {
  var name;
  
  if ( Array.isArray( obj ) ) {
  
  // Serialize array item.
  jQuery.each( obj, function( i, v ) {
  if ( traditional || rbracket.test( prefix ) ) {
  
  // Treat each array item as a scalar.
  add( prefix, v );
  
  } else {
  
  // Item is non-scalar (array or object), encode its numeric index.
  buildParams(
  prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
  v,
  traditional,
  add
  );
  }
  } );
  
  } else if ( !traditional && toType( obj ) === "object" ) {
  
  // Serialize object item.
  for ( name in obj ) {
  buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
  }
  
  } else {
  
  // Serialize scalar item.
  add( prefix, obj );
  }
  }
  
  // Serialize an array of form elements or a set of
  // key/values into a query string
  jQuery.param = function( a, traditional ) {
  var prefix,
  s = [],
  add = function( key, valueOrFunction ) {
  
  // If value is a function, invoke it and use its return value
  var value = isFunction( valueOrFunction ) ?
  valueOrFunction() :
  valueOrFunction;
  
  s[ s.length ] = encodeURIComponent( key ) + "=" +
  encodeURIComponent( value == null ? "" : value );
  };
  
  if ( a == null ) {
  return "";
  }
  
  // If an array was passed in, assume that it is an array of form elements.
  if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
  
  // Serialize the form elements
  jQuery.each( a, function() {
  add( this.name, this.value );
  } );
  
  } else {
  
  // If traditional, encode the "old" way (the way 1.3.2 or older
  // did it), otherwise encode params recursively.
  for ( prefix in a ) {
  buildParams( prefix, a[ prefix ], traditional, add );
  }
  }
  
  // Return the resulting serialization
  return s.join( "&" );
  };
  
  jQuery.fn.extend( {
  serialize: function() {
  return jQuery.param( this.serializeArray() );
  },
  serializeArray: function() {
  return this.map( function() {
  
  // Can add propHook for "elements" to filter or add form elements
  var elements = jQuery.prop( this, "elements" );
  return elements ? jQuery.makeArray( elements ) : this;
  } )
  .filter( function() {
  var type = this.type;
  
  // Use .is( ":disabled" ) so that fieldset[disabled] works
  return this.name && !jQuery( this ).is( ":disabled" ) &&
  rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
  ( this.checked || !rcheckableType.test( type ) );
  } )
  .map( function( i, elem ) {
  var val = jQuery( this ).val();
  
  if ( val == null ) {
  return null;
  }
  
  if ( Array.isArray( val ) ) {
  return jQuery.map( val, function( val ) {
  return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
  } );
  }
  
  return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
  } ).get();
  }
  } );
  
  
  var
  r20 = /%20/g,
  rhash = /#.*$/,
  rantiCache = /([?&])_=[^&]*/,
  rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
  
  // #7653, #8125, #8152: local protocol detection
  rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
  rnoContent = /^(?:GET|HEAD)$/,
  rprotocol = /^\/\//,
  
  /* Prefilters
  * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
  * 2) These are called:
  *    - BEFORE asking for a transport
  *    - AFTER param serialization (s.data is a string if s.processData is true)
  * 3) key is the dataType
  * 4) the catchall symbol "*" can be used
  * 5) execution will start with transport dataType and THEN continue down to "*" if needed
  */
  prefilters = {},
  
  /* Transports bindings
  * 1) key is the dataType
  * 2) the catchall symbol "*" can be used
  * 3) selection will start with transport dataType and THEN go to "*" if needed
  */
  transports = {},
  
  // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
  allTypes = "*/".concat( "*" ),
  
  // Anchor tag for parsing the document origin
  originAnchor = document.createElement( "a" );
  originAnchor.href = location.href;
  
  // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
  function addToPrefiltersOrTransports( structure ) {
  
  // dataTypeExpression is optional and defaults to "*"
  return function( dataTypeExpression, func ) {
  
  if ( typeof dataTypeExpression !== "string" ) {
  func = dataTypeExpression;
  dataTypeExpression = "*";
  }
  
  var dataType,
  i = 0,
  dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
  
  if ( isFunction( func ) ) {
  
  // For each dataType in the dataTypeExpression
  while ( ( dataType = dataTypes[ i++ ] ) ) {
  
  // Prepend if requested
  if ( dataType[ 0 ] === "+" ) {
  dataType = dataType.slice( 1 ) || "*";
  ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
  
  // Otherwise append
  } else {
  ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
  }
  }
  }
  };
  }
  
  // Base inspection function for prefilters and transports
  function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
  
  var inspected = {},
  seekingTransport = ( structure === transports );
  
  function inspect( dataType ) {
  var selected;
  inspected[ dataType ] = true;
  jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
  var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
  if ( typeof dataTypeOrTransport === "string" &&
  !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
  
  options.dataTypes.unshift( dataTypeOrTransport );
  inspect( dataTypeOrTransport );
  return false;
  } else if ( seekingTransport ) {
  return !( selected = dataTypeOrTransport );
  }
  } );
  return selected;
  }
  
  return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
  }
  
  // A special extend for ajax options
  // that takes "flat" options (not to be deep extended)
  // Fixes #9887
  function ajaxExtend( target, src ) {
  var key, deep,
  flatOptions = jQuery.ajaxSettings.flatOptions || {};
  
  for ( key in src ) {
  if ( src[ key ] !== undefined ) {
  ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
  }
  }
  if ( deep ) {
  jQuery.extend( true, target, deep );
  }
  
  return target;
  }
  
  /* Handles responses to an ajax request:
  * - finds the right dataType (mediates between content-type and expected dataType)
  * - returns the corresponding response
  */
  function ajaxHandleResponses( s, jqXHR, responses ) {
  
  var ct, type, finalDataType, firstDataType,
  contents = s.contents,
  dataTypes = s.dataTypes;
  
  // Remove auto dataType and get content-type in the process
  while ( dataTypes[ 0 ] === "*" ) {
  dataTypes.shift();
  if ( ct === undefined ) {
  ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
  }
  }
  
  // Check if we're dealing with a known content-type
  if ( ct ) {
  for ( type in contents ) {
  if ( contents[ type ] && contents[ type ].test( ct ) ) {
  dataTypes.unshift( type );
  break;
  }
  }
  }
  
  // Check to see if we have a response for the expected dataType
  if ( dataTypes[ 0 ] in responses ) {
  finalDataType = dataTypes[ 0 ];
  } else {
  
  // Try convertible dataTypes
  for ( type in responses ) {
  if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
  finalDataType = type;
  break;
  }
  if ( !firstDataType ) {
  firstDataType = type;
  }
  }
  
  // Or just use first one
  finalDataType = finalDataType || firstDataType;
  }
  
  // If we found a dataType
  // We add the dataType to the list if needed
  // and return the corresponding response
  if ( finalDataType ) {
  if ( finalDataType !== dataTypes[ 0 ] ) {
  dataTypes.unshift( finalDataType );
  }
  return responses[ finalDataType ];
  }
  }
  
  /* Chain conversions given the request and the original response
  * Also sets the responseXXX fields on the jqXHR instance
  */
  function ajaxConvert( s, response, jqXHR, isSuccess ) {
  var conv2, current, conv, tmp, prev,
  converters = {},
  
  // Work with a copy of dataTypes in case we need to modify it for conversion
  dataTypes = s.dataTypes.slice();
  
  // Create converters map with lowercased keys
  if ( dataTypes[ 1 ] ) {
  for ( conv in s.converters ) {
  converters[ conv.toLowerCase() ] = s.converters[ conv ];
  }
  }
  
  current = dataTypes.shift();
  
  // Convert to each sequential dataType
  while ( current ) {
  
  if ( s.responseFields[ current ] ) {
  jqXHR[ s.responseFields[ current ] ] = response;
  }
  
  // Apply the dataFilter if provided
  if ( !prev && isSuccess && s.dataFilter ) {
  response = s.dataFilter( response, s.dataType );
  }
  
  prev = current;
  current = dataTypes.shift();
  
  if ( current ) {
  
  // There's only work to do if current dataType is non-auto
  if ( current === "*" ) {
  
  current = prev;
  
  // Convert response if prev dataType is non-auto and differs from current
  } else if ( prev !== "*" && prev !== current ) {
  
  // Seek a direct converter
  conv = converters[ prev + " " + current ] || converters[ "* " + current ];
  
  // If none found, seek a pair
  if ( !conv ) {
  for ( conv2 in converters ) {
  
  // If conv2 outputs current
  tmp = conv2.split( " " );
  if ( tmp[ 1 ] === current ) {
  
  // If prev can be converted to accepted input
  conv = converters[ prev + " " + tmp[ 0 ] ] ||
  converters[ "* " + tmp[ 0 ] ];
  if ( conv ) {
  
  // Condense equivalence converters
  if ( conv === true ) {
  conv = converters[ conv2 ];
  
  // Otherwise, insert the intermediate dataType
  } else if ( converters[ conv2 ] !== true ) {
  current = tmp[ 0 ];
  dataTypes.unshift( tmp[ 1 ] );
  }
  break;
  }
  }
  }
  }
  
  // Apply converter (if not an equivalence)
  if ( conv !== true ) {
  
  // Unless errors are allowed to bubble, catch and return them
  if ( conv && s.throws ) {
  response = conv( response );
  } else {
  try {
  response = conv( response );
  } catch ( e ) {
  return {
  state: "parsererror",
  error: conv ? e : "No conversion from " + prev + " to " + current
  };
  }
  }
  }
  }
  }
  }
  
  return { state: "success", data: response };
  }
  
  jQuery.extend( {
  
  // Counter for holding the number of active queries
  active: 0,
  
  // Last-Modified header cache for next request
  lastModified: {},
  etag: {},
  
  ajaxSettings: {
  url: location.href,
  type: "GET",
  isLocal: rlocalProtocol.test( location.protocol ),
  global: true,
  processData: true,
  async: true,
  contentType: "application/x-www-form-urlencoded; charset=UTF-8",
  
  /*
  timeout: 0,
  data: null,
  dataType: null,
  username: null,
  password: null,
  cache: null,
  throws: false,
  traditional: false,
  headers: {},
  */
  
  accepts: {
  "*": allTypes,
  text: "text/plain",
  html: "text/html",
  xml: "application/xml, text/xml",
  json: "application/json, text/javascript"
  },
  
  contents: {
  xml: /\bxml\b/,
  html: /\bhtml/,
  json: /\bjson\b/
  },
  
  responseFields: {
  xml: "responseXML",
  text: "responseText",
  json: "responseJSON"
  },
  
  // Data converters
  // Keys separate source (or catchall "*") and destination types with a single space
  converters: {
  
  // Convert anything to text
  "* text": String,
  
  // Text to html (true = no transformation)
  "text html": true,
  
  // Evaluate text as a json expression
  "text json": JSON.parse,
  
  // Parse text as xml
  "text xml": jQuery.parseXML
  },
  
  // For options that shouldn't be deep extended:
  // you can add your own custom options here if
  // and when you create one that shouldn't be
  // deep extended (see ajaxExtend)
  flatOptions: {
  url: true,
  context: true
  }
  },
  
  // Creates a full fledged settings object into target
  // with both ajaxSettings and settings fields.
  // If target is omitted, writes into ajaxSettings.
  ajaxSetup: function( target, settings ) {
  return settings ?
  
  // Building a settings object
  ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
  
  // Extending ajaxSettings
  ajaxExtend( jQuery.ajaxSettings, target );
  },
  
  ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
  ajaxTransport: addToPrefiltersOrTransports( transports ),
  
  // Main method
  ajax: function( url, options ) {
  
  // If url is an object, simulate pre-1.5 signature
  if ( typeof url === "object" ) {
  options = url;
  url = undefined;
  }
  
  // Force options to be an object
  options = options || {};
  
  var transport,
  
  // URL without anti-cache param
  cacheURL,
  
  // Response headers
  responseHeadersString,
  responseHeaders,
  
  // timeout handle
  timeoutTimer,
  
  // Url cleanup var
  urlAnchor,
  
  // Request state (becomes false upon send and true upon completion)
  completed,
  
  // To know if global events are to be dispatched
  fireGlobals,
  
  // Loop variable
  i,
  
  // uncached part of the url
  uncached,
  
  // Create the final options object
  s = jQuery.ajaxSetup( {}, options ),
  
  // Callbacks context
  callbackContext = s.context || s,
  
  // Context for global events is callbackContext if it is a DOM node or jQuery collection
  globalEventContext = s.context &&
  ( callbackContext.nodeType || callbackContext.jquery ) ?
  jQuery( callbackContext ) :
  jQuery.event,
  
  // Deferreds
  deferred = jQuery.Deferred(),
  completeDeferred = jQuery.Callbacks( "once memory" ),
  
  // Status-dependent callbacks
  statusCode = s.statusCode || {},
  
  // Headers (they are sent all at once)
  requestHeaders = {},
  requestHeadersNames = {},
  
  // Default abort message
  strAbort = "canceled",
  
  // Fake xhr
  jqXHR = {
  readyState: 0,
  
  // Builds headers hashtable if needed
  getResponseHeader: function( key ) {
  var match;
  if ( completed ) {
  if ( !responseHeaders ) {
  responseHeaders = {};
  while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
  responseHeaders[ match[ 1 ].toLowerCase() + " " ] =
  ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] )
  .concat( match[ 2 ] );
  }
  }
  match = responseHeaders[ key.toLowerCase() + " " ];
  }
  return match == null ? null : match.join( ", " );
  },
  
  // Raw string
  getAllResponseHeaders: function() {
  return completed ? responseHeadersString : null;
  },
  
  // Caches the header
  setRequestHeader: function( name, value ) {
  if ( completed == null ) {
  name = requestHeadersNames[ name.toLowerCase() ] =
  requestHeadersNames[ name.toLowerCase() ] || name;
  requestHeaders[ name ] = value;
  }
  return this;
  },
  
  // Overrides response content-type header
  overrideMimeType: function( type ) {
  if ( completed == null ) {
  s.mimeType = type;
  }
  return this;
  },
  
  // Status-dependent callbacks
  statusCode: function( map ) {
  var code;
  if ( map ) {
  if ( completed ) {
  
  // Execute the appropriate callbacks
  jqXHR.always( map[ jqXHR.status ] );
  } else {
  
  // Lazy-add the new callbacks in a way that preserves old ones
  for ( code in map ) {
  statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
  }
  }
  }
  return this;
  },
  
  // Cancel the request
  abort: function( statusText ) {
  var finalText = statusText || strAbort;
  if ( transport ) {
  transport.abort( finalText );
  }
  done( 0, finalText );
  return this;
  }
  };
  
  // Attach deferreds
  deferred.promise( jqXHR );
  
  // Add protocol if not provided (prefilters might expect it)
  // Handle falsy url in the settings object (#10093: consistency with old signature)
  // We also use the url parameter if available
  s.url = ( ( url || s.url || location.href ) + "" )
  .replace( rprotocol, location.protocol + "//" );
  
  // Alias method option to type as per ticket #12004
  s.type = options.method || options.type || s.method || s.type;
  
  // Extract dataTypes list
  s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
  
  // A cross-domain request is in order when the origin doesn't match the current origin.
  if ( s.crossDomain == null ) {
  urlAnchor = document.createElement( "a" );
  
  // Support: IE <=8 - 11, Edge 12 - 15
  // IE throws exception on accessing the href property if url is malformed,
  // e.g. http://example.com:80x/
  try {
  urlAnchor.href = s.url;
  
  // Support: IE <=8 - 11 only
  // Anchor's host property isn't correctly set when s.url is relative
  urlAnchor.href = urlAnchor.href;
  s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
  urlAnchor.protocol + "//" + urlAnchor.host;
  } catch ( e ) {
  
  // If there is an error parsing the URL, assume it is crossDomain,
  // it can be rejected by the transport if it is invalid
  s.crossDomain = true;
  }
  }
  
  // Convert data if not already a string
  if ( s.data && s.processData && typeof s.data !== "string" ) {
  s.data = jQuery.param( s.data, s.traditional );
  }
  
  // Apply prefilters
  inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
  
  // If request was aborted inside a prefilter, stop there
  if ( completed ) {
  return jqXHR;
  }
  
  // We can fire global events as of now if asked to
  // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
  fireGlobals = jQuery.event && s.global;
  
  // Watch for a new set of requests
  if ( fireGlobals && jQuery.active++ === 0 ) {
  jQuery.event.trigger( "ajaxStart" );
  }
  
  // Uppercase the type
  s.type = s.type.toUpperCase();
  
  // Determine if request has content
  s.hasContent = !rnoContent.test( s.type );
  
  // Save the URL in case we're toying with the If-Modified-Since
  // and/or If-None-Match header later on
  // Remove hash to simplify url manipulation
  cacheURL = s.url.replace( rhash, "" );
  
  // More options handling for requests with no content
  if ( !s.hasContent ) {
  
  // Remember the hash so we can put it back
  uncached = s.url.slice( cacheURL.length );
  
  // If data is available and should be processed, append data to url
  if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
  cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
  
  // #9682: remove data so that it's not used in an eventual retry
  delete s.data;
  }
  
  // Add or update anti-cache param if needed
  if ( s.cache === false ) {
  cacheURL = cacheURL.replace( rantiCache, "$1" );
  uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
  }
  
  // Put hash and anti-cache on the URL that will be requested (gh-1732)
  s.url = cacheURL + uncached;
  
  // Change '%20' to '+' if this is encoded form body content (gh-2658)
  } else if ( s.data && s.processData &&
  ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
  s.data = s.data.replace( r20, "+" );
  }
  
  // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
  if ( s.ifModified ) {
  if ( jQuery.lastModified[ cacheURL ] ) {
  jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
  }
  if ( jQuery.etag[ cacheURL ] ) {
  jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
  }
  }
  
  // Set the correct header, if data is being sent
  if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
  jqXHR.setRequestHeader( "Content-Type", s.contentType );
  }
  
  // Set the Accepts header for the server, depending on the dataType
  jqXHR.setRequestHeader(
  "Accept",
  s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
  s.accepts[ s.dataTypes[ 0 ] ] +
  ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
  s.accepts[ "*" ]
  );
  
  // Check for headers option
  for ( i in s.headers ) {
  jqXHR.setRequestHeader( i, s.headers[ i ] );
  }
  
  // Allow custom headers/mimetypes and early abort
  if ( s.beforeSend &&
  ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
  
  // Abort if not done already and return
  return jqXHR.abort();
  }
  
  // Aborting is no longer a cancellation
  strAbort = "abort";
  
  // Install callbacks on deferreds
  completeDeferred.add( s.complete );
  jqXHR.done( s.success );
  jqXHR.fail( s.error );
  
  // Get transport
  transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
  
  // If no transport, we auto-abort
  if ( !transport ) {
  done( -1, "No Transport" );
  } else {
  jqXHR.readyState = 1;
  
  // Send global event
  if ( fireGlobals ) {
  globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
  }
  
  // If request was aborted inside ajaxSend, stop there
  if ( completed ) {
  return jqXHR;
  }
  
  // Timeout
  if ( s.async && s.timeout > 0 ) {
  timeoutTimer = window.setTimeout( function() {
  jqXHR.abort( "timeout" );
  }, s.timeout );
  }
  
  try {
  completed = false;
  transport.send( requestHeaders, done );
  } catch ( e ) {
  
  // Rethrow post-completion exceptions
  if ( completed ) {
  throw e;
  }
  
  // Propagate others as results
  done( -1, e );
  }
  }
  
  // Callback for when everything is done
  function done( status, nativeStatusText, responses, headers ) {
  var isSuccess, success, error, response, modified,
  statusText = nativeStatusText;
  
  // Ignore repeat invocations
  if ( completed ) {
  return;
  }
  
  completed = true;
  
  // Clear timeout if it exists
  if ( timeoutTimer ) {
  window.clearTimeout( timeoutTimer );
  }
  
  // Dereference transport for early garbage collection
  // (no matter how long the jqXHR object will be used)
  transport = undefined;
  
  // Cache response headers
  responseHeadersString = headers || "";
  
  // Set readyState
  jqXHR.readyState = status > 0 ? 4 : 0;
  
  // Determine if successful
  isSuccess = status >= 200 && status < 300 || status === 304;
  
  // Get response data
  if ( responses ) {
  response = ajaxHandleResponses( s, jqXHR, responses );
  }
  
  // Convert no matter what (that way responseXXX fields are always set)
  response = ajaxConvert( s, response, jqXHR, isSuccess );
  
  // If successful, handle type chaining
  if ( isSuccess ) {
  
  // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
  if ( s.ifModified ) {
  modified = jqXHR.getResponseHeader( "Last-Modified" );
  if ( modified ) {
  jQuery.lastModified[ cacheURL ] = modified;
  }
  modified = jqXHR.getResponseHeader( "etag" );
  if ( modified ) {
  jQuery.etag[ cacheURL ] = modified;
  }
  }
  
  // if no content
  if ( status === 204 || s.type === "HEAD" ) {
  statusText = "nocontent";
  
  // if not modified
  } else if ( status === 304 ) {
  statusText = "notmodified";
  
  // If we have data, let's convert it
  } else {
  statusText = response.state;
  success = response.data;
  error = response.error;
  isSuccess = !error;
  }
  } else {
  
  // Extract error from statusText and normalize for non-aborts
  error = statusText;
  if ( status || !statusText ) {
  statusText = "error";
  if ( status < 0 ) {
  status = 0;
  }
  }
  }
  
  // Set data for the fake xhr object
  jqXHR.status = status;
  jqXHR.statusText = ( nativeStatusText || statusText ) + "";
  
  // Success/Error
  if ( isSuccess ) {
  deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
  } else {
  deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
  }
  
  // Status-dependent callbacks
  jqXHR.statusCode( statusCode );
  statusCode = undefined;
  
  if ( fireGlobals ) {
  globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
  [ jqXHR, s, isSuccess ? success : error ] );
  }
  
  // Complete
  completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
  
  if ( fireGlobals ) {
  globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
  
  // Handle the global AJAX counter
  if ( !( --jQuery.active ) ) {
  jQuery.event.trigger( "ajaxStop" );
  }
  }
  }
  
  return jqXHR;
  },
  
  getJSON: function( url, data, callback ) {
  return jQuery.get( url, data, callback, "json" );
  },
  
  getScript: function( url, callback ) {
  return jQuery.get( url, undefined, callback, "script" );
  }
  } );
  
  jQuery.each( [ "get", "post" ], function( i, method ) {
  jQuery[ method ] = function( url, data, callback, type ) {
  
  // Shift arguments if data argument was omitted
  if ( isFunction( data ) ) {
  type = type || callback;
  callback = data;
  data = undefined;
  }
  
  // The url can be an options object (which then must have .url)
  return jQuery.ajax( jQuery.extend( {
  url: url,
  type: method,
  dataType: type,
  data: data,
  success: callback
  }, jQuery.isPlainObject( url ) && url ) );
  };
  } );
  
  
  jQuery._evalUrl = function( url, options ) {
  return jQuery.ajax( {
  url: url,
  
  // Make this explicit, since user can override this through ajaxSetup (#11264)
  type: "GET",
  dataType: "script",
  cache: true,
  async: false,
  global: false,
  
  // Only evaluate the response if it is successful (gh-4126)
  // dataFilter is not invoked for failure responses, so using it instead
  // of the default converter is kludgy but it works.
  converters: {
  "text script": function() {}
  },
  dataFilter: function( response ) {
  jQuery.globalEval( response, options );
  }
  } );
  };
  
  
  jQuery.fn.extend( {
  wrapAll: function( html ) {
  var wrap;
  
  if ( this[ 0 ] ) {
  if ( isFunction( html ) ) {
  html = html.call( this[ 0 ] );
  }
  
  // The elements to wrap the target around
  wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
  
  if ( this[ 0 ].parentNode ) {
  wrap.insertBefore( this[ 0 ] );
  }
  
  wrap.map( function() {
  var elem = this;
  
  while ( elem.firstElementChild ) {
  elem = elem.firstElementChild;
  }
  
  return elem;
  } ).append( this );
  }
  
  return this;
  },
  
  wrapInner: function( html ) {
  if ( isFunction( html ) ) {
  return this.each( function( i ) {
  jQuery( this ).wrapInner( html.call( this, i ) );
  } );
  }
  
  return this.each( function() {
  var self = jQuery( this ),
  contents = self.contents();
  
  if ( contents.length ) {
  contents.wrapAll( html );
  
  } else {
  self.append( html );
  }
  } );
  },
  
  wrap: function( html ) {
  var htmlIsFunction = isFunction( html );
  
  return this.each( function( i ) {
  jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
  } );
  },
  
  unwrap: function( selector ) {
  this.parent( selector ).not( "body" ).each( function() {
  jQuery( this ).replaceWith( this.childNodes );
  } );
  return this;
  }
  } );
  
  
  jQuery.expr.pseudos.hidden = function( elem ) {
  return !jQuery.expr.pseudos.visible( elem );
  };
  jQuery.expr.pseudos.visible = function( elem ) {
  return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
  };
  
  
  
  
  jQuery.ajaxSettings.xhr = function() {
  try {
  return new window.XMLHttpRequest();
  } catch ( e ) {}
  };
  
  var xhrSuccessStatus = {
  
  // File protocol always yields status code 0, assume 200
  0: 200,
  
  // Support: IE <=9 only
  // #1450: sometimes IE returns 1223 when it should be 204
  1223: 204
  },
  xhrSupported = jQuery.ajaxSettings.xhr();
  
  support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
  support.ajax = xhrSupported = !!xhrSupported;
  
  jQuery.ajaxTransport( function( options ) {
  var callback, errorCallback;
  
  // Cross domain only allowed if supported through XMLHttpRequest
  if ( support.cors || xhrSupported && !options.crossDomain ) {
  return {
  send: function( headers, complete ) {
  var i,
  xhr = options.xhr();
  
  xhr.open(
  options.type,
  options.url,
  options.async,
  options.username,
  options.password
  );
  
  // Apply custom fields if provided
  if ( options.xhrFields ) {
  for ( i in options.xhrFields ) {
  xhr[ i ] = options.xhrFields[ i ];
  }
  }
  
  // Override mime type if needed
  if ( options.mimeType && xhr.overrideMimeType ) {
  xhr.overrideMimeType( options.mimeType );
  }
  
  // X-Requested-With header
  // For cross-domain requests, seeing as conditions for a preflight are
  // akin to a jigsaw puzzle, we simply never set it to be sure.
  // (it can always be set on a per-request basis or even using ajaxSetup)
  // For same-domain requests, won't change header if already provided.
  if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
  headers[ "X-Requested-With" ] = "XMLHttpRequest";
  }
  
  // Set headers
  for ( i in headers ) {
  xhr.setRequestHeader( i, headers[ i ] );
  }
  
  // Callback
  callback = function( type ) {
  return function() {
  if ( callback ) {
  callback = errorCallback = xhr.onload =
  xhr.onerror = xhr.onabort = xhr.ontimeout =
  xhr.onreadystatechange = null;
  
  if ( type === "abort" ) {
  xhr.abort();
  } else if ( type === "error" ) {
  
  // Support: IE <=9 only
  // On a manual native abort, IE9 throws
  // errors on any property access that is not readyState
  if ( typeof xhr.status !== "number" ) {
  complete( 0, "error" );
  } else {
  complete(
  
  // File: protocol always yields status 0; see #8605, #14207
  xhr.status,
  xhr.statusText
  );
  }
  } else {
  complete(
  xhrSuccessStatus[ xhr.status ] || xhr.status,
  xhr.statusText,
  
  // Support: IE <=9 only
  // IE9 has no XHR2 but throws on binary (trac-11426)
  // For XHR2 non-text, let the caller handle it (gh-2498)
  ( xhr.responseType || "text" ) !== "text"  ||
  typeof xhr.responseText !== "string" ?
  { binary: xhr.response } :
  { text: xhr.responseText },
  xhr.getAllResponseHeaders()
  );
  }
  }
  };
  };
  
  // Listen to events
  xhr.onload = callback();
  errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" );
  
  // Support: IE 9 only
  // Use onreadystatechange to replace onabort
  // to handle uncaught aborts
  if ( xhr.onabort !== undefined ) {
  xhr.onabort = errorCallback;
  } else {
  xhr.onreadystatechange = function() {
  
  // Check readyState before timeout as it changes
  if ( xhr.readyState === 4 ) {
  
  // Allow onerror to be called first,
  // but that will not handle a native abort
  // Also, save errorCallback to a variable
  // as xhr.onerror cannot be accessed
  window.setTimeout( function() {
  if ( callback ) {
  errorCallback();
  }
  } );
  }
  };
  }
  
  // Create the abort callback
  callback = callback( "abort" );
  
  try {
  
  // Do send the request (this may raise an exception)
  xhr.send( options.hasContent && options.data || null );
  } catch ( e ) {
  
  // #14683: Only rethrow if this hasn't been notified as an error yet
  if ( callback ) {
  throw e;
  }
  }
  },
  
  abort: function() {
  if ( callback ) {
  callback();
  }
  }
  };
  }
  } );
  
  
  
  
  // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
  jQuery.ajaxPrefilter( function( s ) {
  if ( s.crossDomain ) {
  s.contents.script = false;
  }
  } );
  
  // Install script dataType
  jQuery.ajaxSetup( {
  accepts: {
  script: "text/javascript, application/javascript, " +
  "application/ecmascript, application/x-ecmascript"
  },
  contents: {
  script: /\b(?:java|ecma)script\b/
  },
  converters: {
  "text script": function( text ) {
  jQuery.globalEval( text );
  return text;
  }
  }
  } );
  
  // Handle cache's special case and crossDomain
  jQuery.ajaxPrefilter( "script", function( s ) {
  if ( s.cache === undefined ) {
  s.cache = false;
  }
  if ( s.crossDomain ) {
  s.type = "GET";
  }
  } );
  
  // Bind script tag hack transport
  jQuery.ajaxTransport( "script", function( s ) {
  
  // This transport only deals with cross domain or forced-by-attrs requests
  if ( s.crossDomain || s.scriptAttrs ) {
  var script, callback;
  return {
  send: function( _, complete ) {
  script = jQuery( "<script>" )
  .attr( s.scriptAttrs || {} )
  .prop( { charset: s.scriptCharset, src: s.url } )
  .on( "load error", callback = function( evt ) {
  script.remove();
  callback = null;
  if ( evt ) {
  complete( evt.type === "error" ? 404 : 200, evt.type );
  }
  } );
  
  // Use native DOM manipulation to avoid our domManip AJAX trickery
  document.head.appendChild( script[ 0 ] );
  },
  abort: function() {
  if ( callback ) {
  callback();
  }
  }
  };
  }
  } );
  
  
  
  
  var oldCallbacks = [],
  rjsonp = /(=)\?(?=&|$)|\?\?/;
  
  // Default jsonp settings
  jQuery.ajaxSetup( {
  jsonp: "callback",
  jsonpCallback: function() {
  var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
  this[ callback ] = true;
  return callback;
  }
  } );
  
  // Detect, normalize options and install callbacks for jsonp requests
  jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
  
  var callbackName, overwritten, responseContainer,
  jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
  "url" :
  typeof s.data === "string" &&
  ( s.contentType || "" )
  .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
  rjsonp.test( s.data ) && "data"
  );
  
  // Handle iff the expected data type is "jsonp" or we have a parameter to set
  if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
  
  // Get callback name, remembering preexisting value associated with it
  callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ?
  s.jsonpCallback() :
  s.jsonpCallback;
  
  // Insert callback into url or form data
  if ( jsonProp ) {
  s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
  } else if ( s.jsonp !== false ) {
  s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
  }
  
  // Use data converter to retrieve json after script execution
  s.converters[ "script json" ] = function() {
  if ( !responseContainer ) {
  jQuery.error( callbackName + " was not called" );
  }
  return responseContainer[ 0 ];
  };
  
  // Force json dataType
  s.dataTypes[ 0 ] = "json";
  
  // Install callback
  overwritten = window[ callbackName ];
  window[ callbackName ] = function() {
  responseContainer = arguments;
  };
  
  // Clean-up function (fires after converters)
  jqXHR.always( function() {
  
  // If previous value didn't exist - remove it
  if ( overwritten === undefined ) {
  jQuery( window ).removeProp( callbackName );
  
  // Otherwise restore preexisting value
  } else {
  window[ callbackName ] = overwritten;
  }
  
  // Save back as free
  if ( s[ callbackName ] ) {
  
  // Make sure that re-using the options doesn't screw things around
  s.jsonpCallback = originalSettings.jsonpCallback;
  
  // Save the callback name for future use
  oldCallbacks.push( callbackName );
  }
  
  // Call if it was a function and we have a response
  if ( responseContainer && isFunction( overwritten ) ) {
  overwritten( responseContainer[ 0 ] );
  }
  
  responseContainer = overwritten = undefined;
  } );
  
  // Delegate to script
  return "script";
  }
  } );
  
  
  
  
  // Support: Safari 8 only
  // In Safari 8 documents created via document.implementation.createHTMLDocument
  // collapse sibling forms: the second one becomes a child of the first one.
  // Because of that, this security measure has to be disabled in Safari 8.
  // https://bugs.webkit.org/show_bug.cgi?id=137337
  support.createHTMLDocument = ( function() {
  var body = document.implementation.createHTMLDocument( "" ).body;
  body.innerHTML = "<form></form><form></form>";
  return body.childNodes.length === 2;
  } )();
  
  
  // Argument "data" should be string of html
  // context (optional): If specified, the fragment will be created in this context,
  // defaults to document
  // keepScripts (optional): If true, will include scripts passed in the html string
  jQuery.parseHTML = function( data, context, keepScripts ) {
  if ( typeof data !== "string" ) {
  return [];
  }
  if ( typeof context === "boolean" ) {
  keepScripts = context;
  context = false;
  }
  
  var base, parsed, scripts;
  
  if ( !context ) {
  
  // Stop scripts or inline event handlers from being executed immediately
  // by using document.implementation
  if ( support.createHTMLDocument ) {
  context = document.implementation.createHTMLDocument( "" );
  
  // Set the base href for the created document
  // so any parsed elements with URLs
  // are based on the document's URL (gh-2965)
  base = context.createElement( "base" );
  base.href = document.location.href;
  context.head.appendChild( base );
  } else {
  context = document;
  }
  }
  
  parsed = rsingleTag.exec( data );
  scripts = !keepScripts && [];
  
  // Single tag
  if ( parsed ) {
  return [ context.createElement( parsed[ 1 ] ) ];
  }
  
  parsed = buildFragment( [ data ], context, scripts );
  
  if ( scripts && scripts.length ) {
  jQuery( scripts ).remove();
  }
  
  return jQuery.merge( [], parsed.childNodes );
  };
  
  
  /**
  * Load a url into a page
  */
  jQuery.fn.load = function( url, params, callback ) {
  var selector, type, response,
  self = this,
  off = url.indexOf( " " );
  
  if ( off > -1 ) {
  selector = stripAndCollapse( url.slice( off ) );
  url = url.slice( 0, off );
  }
  
  // If it's a function
  if ( isFunction( params ) ) {
  
  // We assume that it's the callback
  callback = params;
  params = undefined;
  
  // Otherwise, build a param string
  } else if ( params && typeof params === "object" ) {
  type = "POST";
  }
  
  // If we have elements to modify, make the request
  if ( self.length > 0 ) {
  jQuery.ajax( {
  url: url,
  
  // If "type" variable is undefined, then "GET" method will be used.
  // Make value of this field explicit since
  // user can override it through ajaxSetup method
  type: type || "GET",
  dataType: "html",
  data: params
  } ).done( function( responseText ) {
  
  // Save response for use in complete callback
  response = arguments;
  
  self.html( selector ?
  
  // If a selector was specified, locate the right elements in a dummy div
  // Exclude scripts to avoid IE 'Permission Denied' errors
  jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
  
  // Otherwise use the full result
  responseText );
  
  // If the request succeeds, this function gets "data", "status", "jqXHR"
  // but they are ignored because response was set above.
  // If it fails, this function gets "jqXHR", "status", "error"
  } ).always( callback && function( jqXHR, status ) {
  self.each( function() {
  callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
  } );
  } );
  }
  
  return this;
  };
  
  
  
  
  // Attach a bunch of functions for handling common AJAX events
  jQuery.each( [
  "ajaxStart",
  "ajaxStop",
  "ajaxComplete",
  "ajaxError",
  "ajaxSuccess",
  "ajaxSend"
  ], function( i, type ) {
  jQuery.fn[ type ] = function( fn ) {
  return this.on( type, fn );
  };
  } );
  
  
  
  
  jQuery.expr.pseudos.animated = function( elem ) {
  return jQuery.grep( jQuery.timers, function( fn ) {
  return elem === fn.elem;
  } ).length;
  };
  
  
  
  
  jQuery.offset = {
  setOffset: function( elem, options, i ) {
  var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
  position = jQuery.css( elem, "position" ),
  curElem = jQuery( elem ),
  props = {};
  
  // Set position first, in-case top/left are set even on static elem
  if ( position === "static" ) {
  elem.style.position = "relative";
  }
  
  curOffset = curElem.offset();
  curCSSTop = jQuery.css( elem, "top" );
  curCSSLeft = jQuery.css( elem, "left" );
  calculatePosition = ( position === "absolute" || position === "fixed" ) &&
  ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
  
  // Need to be able to calculate position if either
  // top or left is auto and position is either absolute or fixed
  if ( calculatePosition ) {
  curPosition = curElem.position();
  curTop = curPosition.top;
  curLeft = curPosition.left;
  
  } else {
  curTop = parseFloat( curCSSTop ) || 0;
  curLeft = parseFloat( curCSSLeft ) || 0;
  }
  
  if ( isFunction( options ) ) {
  
  // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
  options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
  }
  
  if ( options.top != null ) {
  props.top = ( options.top - curOffset.top ) + curTop;
  }
  if ( options.left != null ) {
  props.left = ( options.left - curOffset.left ) + curLeft;
  }
  
  if ( "using" in options ) {
  options.using.call( elem, props );
  
  } else {
  curElem.css( props );
  }
  }
  };
  
  jQuery.fn.extend( {
  
  // offset() relates an element's border box to the document origin
  offset: function( options ) {
  
  // Preserve chaining for setter
  if ( arguments.length ) {
  return options === undefined ?
  this :
  this.each( function( i ) {
  jQuery.offset.setOffset( this, options, i );
  } );
  }
  
  var rect, win,
  elem = this[ 0 ];
  
  if ( !elem ) {
  return;
  }
  
  // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
  // Support: IE <=11 only
  // Running getBoundingClientRect on a
  // disconnected node in IE throws an error
  if ( !elem.getClientRects().length ) {
  return { top: 0, left: 0 };
  }
  
  // Get document-relative position by adding viewport scroll to viewport-relative gBCR
  rect = elem.getBoundingClientRect();
  win = elem.ownerDocument.defaultView;
  return {
  top: rect.top + win.pageYOffset,
  left: rect.left + win.pageXOffset
  };
  },
  
  // position() relates an element's margin box to its offset parent's padding box
  // This corresponds to the behavior of CSS absolute positioning
  position: function() {
  if ( !this[ 0 ] ) {
  return;
  }
  
  var offsetParent, offset, doc,
  elem = this[ 0 ],
  parentOffset = { top: 0, left: 0 };
  
  // position:fixed elements are offset from the viewport, which itself always has zero offset
  if ( jQuery.css( elem, "position" ) === "fixed" ) {
  
  // Assume position:fixed implies availability of getBoundingClientRect
  offset = elem.getBoundingClientRect();
  
  } else {
  offset = this.offset();
  
  // Account for the *real* offset parent, which can be the document or its root element
  // when a statically positioned element is identified
  doc = elem.ownerDocument;
  offsetParent = elem.offsetParent || doc.documentElement;
  while ( offsetParent &&
  ( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
  jQuery.css( offsetParent, "position" ) === "static" ) {
  
  offsetParent = offsetParent.parentNode;
  }
  if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
  
  // Incorporate borders into its offset, since they are outside its content origin
  parentOffset = jQuery( offsetParent ).offset();
  parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
  parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
  }
  }
  
  // Subtract parent offsets and element margins
  return {
  top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
  left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
  };
  },
  
  // This method will return documentElement in the following cases:
  // 1) For the element inside the iframe without offsetParent, this method will return
  //    documentElement of the parent window
  // 2) For the hidden or detached element
  // 3) For body or html element, i.e. in case of the html node - it will return itself
  //
  // but those exceptions were never presented as a real life use-cases
  // and might be considered as more preferable results.
  //
  // This logic, however, is not guaranteed and can change at any point in the future
  offsetParent: function() {
  return this.map( function() {
  var offsetParent = this.offsetParent;
  
  while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
  offsetParent = offsetParent.offsetParent;
  }
  
  return offsetParent || documentElement;
  } );
  }
  } );
  
  // Create scrollLeft and scrollTop methods
  jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
  var top = "pageYOffset" === prop;
  
  jQuery.fn[ method ] = function( val ) {
  return access( this, function( elem, method, val ) {
  
  // Coalesce documents and windows
  var win;
  if ( isWindow( elem ) ) {
  win = elem;
  } else if ( elem.nodeType === 9 ) {
  win = elem.defaultView;
  }
  
  if ( val === undefined ) {
  return win ? win[ prop ] : elem[ method ];
  }
  
  if ( win ) {
  win.scrollTo(
  !top ? val : win.pageXOffset,
  top ? val : win.pageYOffset
  );
  
  } else {
  elem[ method ] = val;
  }
  }, method, val, arguments.length );
  };
  } );
  
  // Support: Safari <=7 - 9.1, Chrome <=37 - 49
  // Add the top/left cssHooks using jQuery.fn.position
  // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
  // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
  // getComputedStyle returns percent when specified for top/left/bottom/right;
  // rather than make the css module depend on the offset module, just check for it here
  jQuery.each( [ "top", "left" ], function( i, prop ) {
  jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
  function( elem, computed ) {
  if ( computed ) {
  computed = curCSS( elem, prop );
  
  // If curCSS returns percentage, fallback to offset
  return rnumnonpx.test( computed ) ?
  jQuery( elem ).position()[ prop ] + "px" :
  computed;
  }
  }
  );
  } );
  
  
  // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
  jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
  jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
  function( defaultExtra, funcName ) {
  
  // Margin is only for outerHeight, outerWidth
  jQuery.fn[ funcName ] = function( margin, value ) {
  var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
  extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
  
  return access( this, function( elem, type, value ) {
  var doc;
  
  if ( isWindow( elem ) ) {
  
  // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
  return funcName.indexOf( "outer" ) === 0 ?
  elem[ "inner" + name ] :
  elem.document.documentElement[ "client" + name ];
  }
  
  // Get document width or height
  if ( elem.nodeType === 9 ) {
  doc = elem.documentElement;
  
  // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
  // whichever is greatest
  return Math.max(
  elem.body[ "scroll" + name ], doc[ "scroll" + name ],
  elem.body[ "offset" + name ], doc[ "offset" + name ],
  doc[ "client" + name ]
  );
  }
  
  return value === undefined ?
  
  // Get width or height on the element, requesting but not forcing parseFloat
  jQuery.css( elem, type, extra ) :
  
  // Set width or height on the element
  jQuery.style( elem, type, value, extra );
  }, type, chainable ? margin : undefined, chainable );
  };
  } );
  } );
  
  
  jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
  "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
  "change select submit keydown keypress keyup contextmenu" ).split( " " ),
  function( i, name ) {
  
  // Handle event binding
  jQuery.fn[ name ] = function( data, fn ) {
  return arguments.length > 0 ?
  this.on( name, null, data, fn ) :
  this.trigger( name );
  };
  } );
  
  jQuery.fn.extend( {
  hover: function( fnOver, fnOut ) {
  return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
  }
  } );
  
  
  
  
  jQuery.fn.extend( {
  
  bind: function( types, data, fn ) {
  return this.on( types, null, data, fn );
  },
  unbind: function( types, fn ) {
  return this.off( types, null, fn );
  },
  
  delegate: function( selector, types, data, fn ) {
  return this.on( types, selector, data, fn );
  },
  undelegate: function( selector, types, fn ) {
  
  // ( namespace ) or ( selector, types [, fn] )
  return arguments.length === 1 ?
  this.off( selector, "**" ) :
  this.off( types, selector || "**", fn );
  }
  } );
  
  // Bind a function to a context, optionally partially applying any
  // arguments.
  // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
  // However, it is not slated for removal any time soon
  jQuery.proxy = function( fn, context ) {
  var tmp, args, proxy;
  
  if ( typeof context === "string" ) {
  tmp = fn[ context ];
  context = fn;
  fn = tmp;
  }
  
  // Quick check to determine if target is callable, in the spec
  // this throws a TypeError, but we will just return undefined.
  if ( !isFunction( fn ) ) {
  return undefined;
  }
  
  // Simulated bind
  args = slice.call( arguments, 2 );
  proxy = function() {
  return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
  };
  
  // Set the guid of unique handler to the same of original handler, so it can be removed
  proxy.guid = fn.guid = fn.guid || jQuery.guid++;
  
  return proxy;
  };
  
  jQuery.holdReady = function( hold ) {
  if ( hold ) {
  jQuery.readyWait++;
  } else {
  jQuery.ready( true );
  }
  };
  jQuery.isArray = Array.isArray;
  jQuery.parseJSON = JSON.parse;
  jQuery.nodeName = nodeName;
  jQuery.isFunction = isFunction;
  jQuery.isWindow = isWindow;
  jQuery.camelCase = camelCase;
  jQuery.type = toType;
  
  jQuery.now = Date.now;
  
  jQuery.isNumeric = function( obj ) {
  
  // As of jQuery 3.0, isNumeric is limited to
  // strings and numbers (primitives or objects)
  // that can be coerced to finite numbers (gh-2662)
  var type = jQuery.type( obj );
  return ( type === "number" || type === "string" ) &&
  
  // parseFloat NaNs numeric-cast false positives ("")
  // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
  // subtraction forces infinities to NaN
  !isNaN( obj - parseFloat( obj ) );
  };
  
  
  
  
  // Register as a named AMD module, since jQuery can be concatenated with other
  // files that may use define, but not via a proper concatenation script that
  // understands anonymous AMD modules. A named AMD is safest and most robust
  // way to register. Lowercase jquery is used because AMD module names are
  // derived from file names, and jQuery is normally delivered in a lowercase
  // file name. Do this after creating the global so that if an AMD module wants
  // to call noConflict to hide this version of jQuery, it will work.
  
  // Note that for maximum portability, libraries that are not jQuery should
  // declare themselves as anonymous modules, and avoid setting a global if an
  // AMD loader is present. jQuery is a special case. For more information, see
  // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
  
  if ( typeof define === "function" && define.amd ) {
  define( "jquery", [], function() {
  return jQuery;
  } );
  }
  
  
  
  
  var
  
  // Map over jQuery in case of overwrite
  _jQuery = window.jQuery,
  
  // Map over the $ in case of overwrite
  _$ = window.$;
  
  jQuery.noConflict = function( deep ) {
  if ( window.$ === jQuery ) {
  window.$ = _$;
  }
  
  if ( deep && window.jQuery === jQuery ) {
  window.jQuery = _jQuery;
  }
  
  return jQuery;
  };
  
  // Expose jQuery and $ identifiers, even in AMD
  // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
  // and CommonJS for browser emulators (#13566)
  if ( !noGlobal ) {
  window.jQuery = window.$ = jQuery;
  }
  
  
  
  
  return jQuery;
  } );