https://zdwenku.com/source/plugin/keke_doc/template/js/jquery.js?rev=1314

1/*!
2 * jQuery JavaScript Library v2.1.4
3 * http://jquery.com/
4 *
5 * Includes Sizzle.js
6 * http://sizzlejs.com/
7 *
8 * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors
9 * Released under the MIT license
10 * http://jquery.org/license
11 *
12 * Date: 2015-04-28T16:01Z
13 */
14
15(function( global, factory ) {
16
17	if ( typeof module === "object" && typeof module.exports === "object" ) {
18		// For CommonJS and CommonJS-like environments where a proper `window`
19		// is present, execute the factory and get jQuery.
20		// For environments that do not have a `window` with a `document`
21		// (such as Node.js), expose a factory as module.exports.
22		// This accentuates the need for the creation of a real `window`.
23		// e.g. var jQuery = require("jquery")(window);
24		// See ticket #14549 for more info.
25		module.exports = global.document ?
26			factory( global, true ) :
27			function( w ) {
28				if ( !w.document ) {
29					throw new Error( "jQuery requires a window with a document" );
30				}
31				return factory( w );
32			};
33	} else {
34		factory( global );
35	}
36
37// Pass this if window is not defined yet
38}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
39
40// Support: Firefox 18+
41// Can't be in strict mode, several libs including ASP.NET trace
42// the stack via arguments.caller.callee and Firefox dies if
43// you try to trace through "use strict" call chains. (#13335)
44//
45
46var arr = [];
47
48var slice = arr.slice;
49
50var concat = arr.concat;
51
52var push = arr.push;
53
54var indexOf = arr.indexOf;
55
56var class2type = {};
57
58var toString = class2type.toString;
59
60var hasOwn = class2type.hasOwnProperty;
61
62var support = {};
63
64
65
66var
67	// Use the correct document accordingly with window argument (sandbox)
68	document = window.document,
69
70	version = "2.1.4",
71
72	// Define a local copy of jQuery
73	jQuery = function( selector, context ) {
74		// The jQuery object is actually just the init constructor 'enhanced'
75		// Need init if jQuery is called (just allow error to be thrown if not included)
76		return new jQuery.fn.init( selector, context );
77	},
78
79	// Support: Android<4.1
80	// Make sure we trim BOM and NBSP
81	rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
82
83	// Matches dashed string for camelizing
84	rmsPrefix = /^-ms-/,
85	rdashAlpha = /-([\da-z])/gi,
86
87	// Used by jQuery.camelCase as callback to replace()
88	fcamelCase = function( all, letter ) {
89		return letter.toUpperCase();
90	};
91
92jQuery.fn = jQuery.prototype = {
93	// The current version of jQuery being used
94	jquery: version,
95
96	constructor: jQuery,
97
98	// Start with an empty selector
99	selector: "",
100
101	// The default length of a jQuery object is 0
102	length: 0,
103
104	toArray: function() {
105		return slice.call( this );
106	},
107
108	// Get the Nth element in the matched element set OR
109	// Get the whole matched element set as a clean array
110	get: function( num ) {
111		return num != null ?
112
113			// Return just the one element from the set
114			( num < 0 ? this[ num + this.length ] : this[ num ] ) :
115
116			// Return all the elements in a clean array
117			slice.call( this );
118	},
119
120	// Take an array of elements and push it onto the stack
121	// (returning the new matched element set)
122	pushStack: function( elems ) {
123
124		// Build a new jQuery matched element set
125		var ret = jQuery.merge( this.constructor(), elems );
126
127		// Add the old object onto the stack (as a reference)
128		ret.prevObject = this;
129		ret.context = this.context;
130
131		// Return the newly-formed element set
132		return ret;
133	},
134
135	// Execute a callback for every element in the matched set.
136	// (You can seed the arguments with an array of args, but this is
137	// only used internally.)
138	each: function( callback, args ) {
139		return jQuery.each( this, callback, args );
140	},
141
142	map: function( callback ) {
143		return this.pushStack( jQuery.map(this, function( elem, i ) {
144			return callback.call( elem, i, elem );
145		}));
146	},
147
148	slice: function() {
149		return this.pushStack( slice.apply( this, arguments ) );
150	},
151
152	first: function() {
153		return this.eq( 0 );
154	},
155
156	last: function() {
157		return this.eq( -1 );
158	},
159
160	eq: function( i ) {
161		var len = this.length,
162			j = +i + ( i < 0 ? len : 0 );
163		return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
164	},
165
166	end: function() {
167		return this.prevObject || this.constructor(null);
168	},
169
170	// For internal use only.
171	// Behaves like an Array's method, not like a jQuery method.
172	push: push,
173	sort: arr.sort,
174	splice: arr.splice
175};
176
177jQuery.extend = jQuery.fn.extend = function() {
178	var options, name, src, copy, copyIsArray, clone,
179		target = arguments[0] || {},
180		i = 1,
181		length = arguments.length,
182		deep = false;
183
184	// Handle a deep copy situation
185	if ( typeof target === "boolean" ) {
186		deep = target;
187
188		// Skip the boolean and the target
189		target = arguments[ i ] || {};
190		i++;
191	}
192
193	// Handle case when target is a string or something (possible in deep copy)
194	if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
195		target = {};
196	}
197
198	// Extend jQuery itself if only one argument is passed
199	if ( i === length ) {
200		target = this;
201		i--;
202	}
203
204	for ( ; i < length; i++ ) {
205		// Only deal with non-null/undefined values
206		if ( (options = arguments[ i ]) != null ) {
207			// Extend the base object
208			for ( name in options ) {
209				src = target[ name ];
210				copy = options[ name ];
211
212				// Prevent never-ending loop
213				if ( target === copy ) {
214					continue;
215				}
216
217				// Recurse if we're merging plain objects or arrays
218				if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
219					if ( copyIsArray ) {
220						copyIsArray = false;
221						clone = src && jQuery.isArray(src) ? src : [];
222
223					} else {
224						clone = src && jQuery.isPlainObject(src) ? src : {};
225					}
226
227					// Never move original objects, clone them
228					target[ name ] = jQuery.extend( deep, clone, copy );
229
230				// Don't bring in undefined values
231				} else if ( copy !== undefined ) {
232					target[ name ] = copy;
233				}
234			}
235		}
236	}
237
238	// Return the modified object
239	return target;
240};
241
242jQuery.extend({
243	// Unique for each copy of jQuery on the page
244	expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
245
246	// Assume jQuery is ready without the ready module
247	isReady: true,
248
249	error: function( msg ) {
250		throw new Error( msg );
251	},
252
253	noop: function() {},
254
255	isFunction: function( obj ) {
256		return jQuery.type(obj) === "function";
257	},
258
259	isArray: Array.isArray,
260
261	isWindow: function( obj ) {
262		return obj != null && obj === obj.window;
263	},
264
265	isNumeric: function( obj ) {
266		// parseFloat NaNs numeric-cast false positives (null|true|false|"")
267		// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
268		// subtraction forces infinities to NaN
269		// adding 1 corrects loss of precision from parseFloat (#15100)
270		return !jQuery.isArray( obj ) && (obj - parseFloat( obj ) + 1) >= 0;
271	},
272
273	isPlainObject: function( obj ) {
274		// Not plain objects:
275		// - Any object or value whose internal [[Class]] property is not "[object Object]"
276		// - DOM nodes
277		// - window
278		if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
279			return false;
280		}
281
282		if ( obj.constructor &&
283				!hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) {
284			return false;
285		}
286
287		// If the function hasn't returned already, we're confident that
288		// |obj| is a plain object, created by {} or constructed with new Object
289		return true;
290	},
291
292	isEmptyObject: function( obj ) {
293		var name;
294		for ( name in obj ) {
295			return false;
296		}
297		return true;
298	},
299
300	type: function( obj ) {
301		if ( obj == null ) {
302			return obj + "";
303		}
304		// Support: Android<4.0, iOS<6 (functionish RegExp)
305		return typeof obj === "object" || typeof obj === "function" ?
306			class2type[ toString.call(obj) ] || "object" :
307			typeof obj;
308	},
309
310	// Evaluates a script in a global context
311	globalEval: function( code ) {
312		var script,
313			indirect = eval;
314
315		code = jQuery.trim( code );
316
317		if ( code ) {
318			// If the code includes a valid, prologue position
319			// strict mode pragma, execute code by injecting a
320			// script tag into the document.
321			if ( code.indexOf("use strict") === 1 ) {
322				script = document.createElement("script");
323				script.text = code;
324				document.head.appendChild( script ).parentNode.removeChild( script );
325			} else {
326			// Otherwise, avoid the DOM node creation, insertion
327			// and removal by using an indirect global eval
328				indirect( code );
329			}
330		}
331	},
332
333	// Convert dashed to camelCase; used by the css and data modules
334	// Support: IE9-11+
335	// Microsoft forgot to hump their vendor prefix (#9572)
336	camelCase: function( string ) {
337		return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
338	},
339
340	nodeName: function( elem, name ) {
341		return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
342	},
343
344	// args is for internal usage only
345	each: function( obj, callback, args ) {
346		var value,
347			i = 0,
348			length = obj.length,
349			isArray = isArraylike( obj );
350
351		if ( args ) {
352			if ( isArray ) {
353				for ( ; i < length; i++ ) {
354					value = callback.apply( obj[ i ], args );
355
356					if ( value === false ) {
357						break;
358					}
359				}
360			} else {
361				for ( i in obj ) {
362					value = callback.apply( obj[ i ], args );
363
364					if ( value === false ) {
365						break;
366					}
367				}
368			}
369
370		// A special, fast, case for the most common use of each
371		} else {
372			if ( isArray ) {
373				for ( ; i < length; i++ ) {
374					value = callback.call( obj[ i ], i, obj[ i ] );
375
376					if ( value === false ) {
377						break;
378					}
379				}
380			} else {
381				for ( i in obj ) {
382					value = callback.call( obj[ i ], i, obj[ i ] );
383
384					if ( value === false ) {
385						break;
386					}
387				}
388			}
389		}
390
391		return obj;
392	},
393
394	// Support: Android<4.1
395	trim: function( text ) {
396		return text == null ?
397			"" :
398			( text + "" ).replace( rtrim, "" );
399	},
400
401	// results is for internal usage only
402	makeArray: function( arr, results ) {
403		var ret = results || [];
404
405		if ( arr != null ) {
406			if ( isArraylike( Object(arr) ) ) {
407				jQuery.merge( ret,
408					typeof arr === "string" ?
409					[ arr ] : arr
410				);
411			} else {
412				push.call( ret, arr );
413			}
414		}
415
416		return ret;
417	},
418
419	inArray: function( elem, arr, i ) {
420		return arr == null ? -1 : indexOf.call( arr, elem, i );
421	},
422
423	merge: function( first, second ) {
424		var len = +second.length,
425			j = 0,
426			i = first.length;
427
428		for ( ; j < len; j++ ) {
429			first[ i++ ] = second[ j ];
430		}
431
432		first.length = i;
433
434		return first;
435	},
436
437	grep: function( elems, callback, invert ) {
438		var callbackInverse,
439			matches = [],
440			i = 0,
441			length = elems.length,
442			callbackExpect = !invert;
443
444		// Go through the array, only saving the items
445		// that pass the validator function
446		for ( ; i < length; i++ ) {
447			callbackInverse = !callback( elems[ i ], i );
448			if ( callbackInverse !== callbackExpect ) {
449				matches.push( elems[ i ] );
450			}
451		}
452
453		return matches;
454	},
455
456	// arg is for internal usage only
457	map: function( elems, callback, arg ) {
458		var value,
459			i = 0,
460			length = elems.length,
461			isArray = isArraylike( elems ),
462			ret = [];
463
464		// Go through the array, translating each of the items to their new values
465		if ( isArray ) {
466			for ( ; i < length; i++ ) {
467				value = callback( elems[ i ], i, arg );
468
469				if ( value != null ) {
470					ret.push( value );
471				}
472			}
473
474		// Go through every key on the object,
475		} else {
476			for ( i in elems ) {
477				value = callback( elems[ i ], i, arg );
478
479				if ( value != null ) {
480					ret.push( value );
481				}
482			}
483		}
484
485		// Flatten any nested arrays
486		return concat.apply( [], ret );
487	},
488
489	// A global GUID counter for objects
490	guid: 1,
491
492	// Bind a function to a context, optionally partially applying any
493	// arguments.
494	proxy: function( fn, context ) {
495		var tmp, args, proxy;
496
497		if ( typeof context === "string" ) {
498			tmp = fn[ context ];
499			context = fn;
500			fn = tmp;
501		}
502
503		// Quick check to determine if target is callable, in the spec
504		// this throws a TypeError, but we will just return undefined.
505		if ( !jQuery.isFunction( fn ) ) {
506			return undefined;
507		}
508
509		// Simulated bind
510		args = slice.call( arguments, 2 );
511		proxy = function() {
512			return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
513		};
514
515		// Set the guid of unique handler to the same of original handler, so it can be removed
516		proxy.guid = fn.guid = fn.guid || jQuery.guid++;
517
518		return proxy;
519	},
520
521	now: Date.now,
522
523	// jQuery.support is not used in Core but other projects attach their
524	// properties to it so it needs to exist.
525	support: support
526});
527
528// Populate the class2type map
529jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
530	class2type[ "[object " + name + "]" ] = name.toLowerCase();
531});
532
533function isArraylike( obj ) {
534
535	// Support: iOS 8.2 (not reproducible in simulator)
536	// `in` check used to prevent JIT error (gh-2145)
537	// hasOwn isn't used here due to false negatives
538	// regarding Nodelist length in IE
539	var length = "length" in obj && obj.length,
540		type = jQuery.type( obj );
541
542	if ( type === "function" || jQuery.isWindow( obj ) ) {
543		return false;
544	}
545
546	if ( obj.nodeType === 1 && length ) {
547		return true;
548	}
549
550	return type === "array" || length === 0 ||
551		typeof length === "number" && length > 0 && ( length - 1 ) in obj;
552}
553var Sizzle =
554/*!
555 * Sizzle CSS Selector Engine v2.2.0-pre
556 * http://sizzlejs.com/
557 *
558 * Copyright 2008, 2014 jQuery Foundation, Inc. and other contributors
559 * Released under the MIT license
560 * http://jquery.org/license
561 *
562 * Date: 2014-12-16
563 */
564(function( window ) {
565
566var i,
567	support,
568	Expr,
569	getText,
570	isXML,
571	tokenize,
572	compile,
573	select,
574	outermostContext,
575	sortInput,
576	hasDuplicate,
577
578	// Local document vars
579	setDocument,
580	document,
581	docElem,
582	documentIsHTML,
583	rbuggyQSA,
584	rbuggyMatches,
585	matches,
586	contains,
587
588	// Instance-specific data
589	expando = "sizzle" + 1 * new Date(),
590	preferredDoc = window.document,
591	dirruns = 0,
592	done = 0,
593	classCache = createCache(),
594	tokenCache = createCache(),
595	compilerCache = createCache(),
596	sortOrder = function( a, b ) {
597		if ( a === b ) {
598			hasDuplicate = true;
599		}
600		return 0;
601	},
602
603	// General-purpose constants
604	MAX_NEGATIVE = 1 << 31,
605
606	// Instance methods
607	hasOwn = ({}).hasOwnProperty,
608	arr = [],
609	pop = arr.pop,
610	push_native = arr.push,
611	push = arr.push,
612	slice = arr.slice,
613	// Use a stripped-down indexOf as it's faster than native
614	// http://jsperf.com/thor-indexof-vs-for/5
615	indexOf = function( list, elem ) {
616		var i = 0,
617			len = list.length;
618		for ( ; i < len; i++ ) {
619			if ( list[i] === elem ) {
620				return i;
621			}
622		}
623		return -1;
624	},
625
626	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
627
628	// Regular expressions
629
630	// Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
631	whitespace = "[\\x20\\t\\r\\n\\f]",
632	// http://www.w3.org/TR/css3-syntax/#characters
633	characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
634
635	// Loosely modeled on CSS identifier characters
636	// An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
637	// Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
638	identifier = characterEncoding.replace( "w", "w#" ),
639
640	// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
641	attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace +
642		// Operator (capture 2)
643		"*([*^$|!~]?=)" + whitespace +
644		// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
645		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
646		"*\\]",
647
648	pseudos = ":(" + characterEncoding + ")(?:\\((" +
649		// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
650		// 1. quoted (capture 3; capture 4 or capture 5)
651		"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
652		// 2. simple (capture 6)
653		"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
654		// 3. anything else (capture 2)
655		".*" +
656		")\\)|)",
657
658	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
659	rwhitespace = new RegExp( whitespace + "+", "g" ),
660	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
661
662	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
663	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
664
665	rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
666
667	rpseudo = new RegExp( pseudos ),
668	ridentifier = new RegExp( "^" + identifier + "$" ),
669
670	matchExpr = {
671		"ID": new RegExp( "^#(" + characterEncoding + ")" ),
672		"CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
673		"TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
674		"ATTR": new RegExp( "^" + attributes ),
675		"PSEUDO": new RegExp( "^" + pseudos ),
676		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
677			"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
678			"*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
679		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
680		// For use in libraries implementing .is()
681		// We use this for POS matching in `select`
682		"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
683			whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
684	},
685
686	rinputs = /^(?:input|select|textarea|button)$/i,
687	rheader = /^h\d$/i,
688
689	rnative = /^[^{]+\{\s*\[native \w/,
690
691	// Easily-parseable/retrievable ID or TAG or CLASS selectors
692	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
693
694	rsibling = /[+~]/,
695	rescape = /'|\\/g,
696
697	// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
698	runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
699	funescape = function( _, escaped, escapedWhitespace ) {
700		var high = "0x" + escaped - 0x10000;
701		// NaN means non-codepoint
702		// Support: Firefox<24
703		// Workaround erroneous numeric interpretation of +"0x"
704		return high !== high || escapedWhitespace ?
705			escaped :
706			high < 0 ?
707				// BMP codepoint
708				String.fromCharCode( high + 0x10000 ) :
709				// Supplemental Plane codepoint (surrogate pair)
710				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
711	},
712
713	// Used for iframes
714	// See setDocument()
715	// Removing the function wrapper causes a "Permission Denied"
716	// error in IE
717	unloadHandler = function() {
718		setDocument();
719	};
720
721// Optimize for push.apply( _, NodeList )
722try {
723	push.apply(
724		(arr = slice.call( preferredDoc.childNodes )),
725		preferredDoc.childNodes
726	);
727	// Support: Android<4.0
728	// Detect silently failing push.apply
729	arr[ preferredDoc.childNodes.length ].nodeType;
730} catch ( e ) {
731	push = { apply: arr.length ?
732
733		// Leverage slice if possible
734		function( target, els ) {
735			push_native.apply( target, slice.call(els) );
736		} :
737
738		// Support: IE<9
739		// Otherwise append directly
740		function( target, els ) {
741			var j = target.length,
742				i = 0;
743			// Can't trust NodeList.length
744			while ( (target[j++] = els[i++]) ) {}
745			target.length = j - 1;
746		}
747	};
748}
749
750function Sizzle( selector, context, results, seed ) {
751	var match, elem, m, nodeType,
752		// QSA vars
753		i, groups, old, nid, newContext, newSelector;
754
755	if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
756		setDocument( context );
757	}
758
759	context = context || document;
760	results = results || [];
761	nodeType = context.nodeType;
762
763	if ( typeof selector !== "string" || !selector ||
764		nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
765
766		return results;
767	}
768
769	if ( !seed && documentIsHTML ) {
770
771		// Try to shortcut find operations when possible (e.g., not under DocumentFragment)
772		if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
773			// Speed-up: Sizzle("#ID")
774			if ( (m = match[1]) ) {
775				if ( nodeType === 9 ) {
776					elem = context.getElementById( m );
777					// Check parentNode to catch when Blackberry 4.6 returns
778					// nodes that are no longer in the document (jQuery #6963)
779					if ( elem && elem.parentNode ) {
780						// Handle the case where IE, Opera, and Webkit return items
781						// by name instead of ID
782						if ( elem.id === m ) {
783							results.push( elem );
784							return results;
785						}
786					} else {
787						return results;
788					}
789				} else {
790					// Context is not a document
791					if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
792						contains( context, elem ) && elem.id === m ) {
793						results.push( elem );
794						return results;
795					}
796				}
797
798			// Speed-up: Sizzle("TAG")
799			} else if ( match[2] ) {
800				push.apply( results, context.getElementsByTagName( selector ) );
801				return results;
802
803			// Speed-up: Sizzle(".CLASS")
804			} else if ( (m = match[3]) && support.getElementsByClassName ) {
805				push.apply( results, context.getElementsByClassName( m ) );
806				return results;
807			}
808		}
809
810		// QSA path
811		if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
812			nid = old = expando;
813			newContext = context;
814			newSelector = nodeType !== 1 && selector;
815
816			// qSA works strangely on Element-rooted queries
817			// We can work around this by specifying an extra ID on the root
818			// and working up from there (Thanks to Andrew Dupont for the technique)
819			// IE 8 doesn't work on object elements
820			if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
821				groups = tokenize( selector );
822
823				if ( (old = context.getAttribute("id")) ) {
824					nid = old.replace( rescape, "\\$&" );
825				} else {
826					context.setAttribute( "id", nid );
827				}
828				nid = "[id='" + nid + "'] ";
829
830				i = groups.length;
831				while ( i-- ) {
832					groups[i] = nid + toSelector( groups[i] );
833				}
834				newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context;
835				newSelector = groups.join(",");
836			}
837
838			if ( newSelector ) {
839				try {
840					push.apply( results,
841						newContext.querySelectorAll( newSelector )
842					);
843					return results;
844				} catch(qsaError) {
845				} finally {
846					if ( !old ) {
847						context.removeAttribute("id");
848					}
849				}
850			}
851		}
852	}
853
854	// All others
855	return select( selector.replace( rtrim, "$1" ), context, results, seed );
856}
857
858/**
859 * Create key-value caches of limited size
860 * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
861 *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
862 *	deleting the oldest entry
863 */
864function createCache() {
865	var keys = [];
866
867	function cache( key, value ) {
868		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
869		if ( keys.push( key + " " ) > Expr.cacheLength ) {
870			// Only keep the most recent entries
871			delete cache[ keys.shift() ];
872		}
873		return (cache[ key + " " ] = value);
874	}
875	return cache;
876}
877
878/**
879 * Mark a function for special use by Sizzle
880 * @param {Function} fn The function to mark
881 */
882function markFunction( fn ) {
883	fn[ expando ] = true;
884	return fn;
885}
886
887/**
888 * Support testing using an element
889 * @param {Function} fn Passed the created div and expects a boolean result
890 */
891function assert( fn ) {
892	var div = document.createElement("div");
893
894	try {
895		return !!fn( div );
896	} catch (e) {
897		return false;
898	} finally {
899		// Remove from its parent by default
900		if ( div.parentNode ) {
901			div.parentNode.removeChild( div );
902		}
903		// release memory in IE
904		div = null;
905	}
906}
907
908/**
909 * Adds the same handler for all of the specified attrs
910 * @param {String} attrs Pipe-separated list of attributes
911 * @param {Function} handler The method that will be applied
912 */
913function addHandle( attrs, handler ) {
914	var arr = attrs.split("|"),
915		i = attrs.length;
916
917	while ( i-- ) {
918		Expr.attrHandle[ arr[i] ] = handler;
919	}
920}
921
922/**
923 * Checks document order of two siblings
924 * @param {Element} a
925 * @param {Element} b
926 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
927 */
928function siblingCheck( a, b ) {
929	var cur = b && a,
930		diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
931			( ~b.sourceIndex || MAX_NEGATIVE ) -
932			( ~a.sourceIndex || MAX_NEGATIVE );
933
934	// Use IE sourceIndex if available on both nodes
935	if ( diff ) {
936		return diff;
937	}
938
939	// Check if b follows a
940	if ( cur ) {
941		while ( (cur = cur.nextSibling) ) {
942			if ( cur === b ) {
943				return -1;
944			}
945		}
946	}
947
948	return a ? 1 : -1;
949}
950
951/**
952 * Returns a function to use in pseudos for input types
953 * @param {String} type
954 */
955function createInputPseudo( type ) {
956	return function( elem ) {
957		var name = elem.nodeName.toLowerCase();
958		return name === "input" && elem.type === type;
959	};
960}
961
962/**
963 * Returns a function to use in pseudos for buttons
964 * @param {String} type
965 */
966function createButtonPseudo( type ) {
967	return function( elem ) {
968		var name = elem.nodeName.toLowerCase();
969		return (name === "input" || name === "button") && elem.type === type;
970	};
971}
972
973/**
974 * Returns a function to use in pseudos for positionals
975 * @param {Function} fn
976 */
977function createPositionalPseudo( fn ) {
978	return markFunction(function( argument ) {
979		argument = +argument;
980		return markFunction(function( seed, matches ) {
981			var j,
982				matchIndexes = fn( [], seed.length, argument ),
983				i = matchIndexes.length;
984
985			// Match elements found at the specified indexes
986			while ( i-- ) {
987				if ( seed[ (j = matchIndexes[i]) ] ) {
988					seed[j] = !(matches[j] = seed[j]);
989				}
990			}
991		});
992	});
993}
994
995/**
996 * Checks a node for validity as a Sizzle context
997 * @param {Element|Object=} context
998 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
999 */
1000function testContext( context ) {
1001	return context && typeof context.getElementsByTagName !== "undefined" && context;
1002}
1003
1004// Expose support vars for convenience
1005support = Sizzle.support = {};
1006
1007/**
1008 * Detects XML nodes
1009 * @param {Element|Object} elem An element or a document
1010 * @returns {Boolean} True iff elem is a non-HTML XML node
1011 */
1012isXML = Sizzle.isXML = function( elem ) {
1013	// documentElement is verified for cases where it doesn't yet exist
1014	// (such as loading iframes in IE - #4833)
1015	var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1016	return documentElement ? documentElement.nodeName !== "HTML" : false;
1017};
1018
1019/**
1020 * Sets document-related variables once based on the current document
1021 * @param {Element|Object} [doc] An element or document object to use to set the document
1022 * @returns {Object} Returns the current document
1023 */
1024setDocument = Sizzle.setDocument = function( node ) {
1025	var hasCompare, parent,
1026		doc = node ? node.ownerDocument || node : preferredDoc;
1027
1028	// If no document and documentElement is available, return
1029	if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1030		return document;
1031	}
1032
1033	// Set our document
1034	document = doc;
1035	docElem = doc.documentElement;
1036	parent = doc.defaultView;
1037
1038	// Support: IE>8
1039	// If iframe document is assigned to "document" variable and if iframe has been reloaded,
1040	// IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
1041	// IE6-8 do not support the defaultView property so parent will be undefined
1042	if ( parent && parent !== parent.top ) {
1043		// IE11 does not have attachEvent, so all must suffer
1044		if ( parent.addEventListener ) {
1045			parent.addEventListener( "unload", unloadHandler, false );
1046		} else if ( parent.attachEvent ) {
1047			parent.attachEvent( "onunload", unloadHandler );
1048		}
1049	}
1050
1051	/* Support tests
1052	---------------------------------------------------------------------- */
1053	documentIsHTML = !isXML( doc );
1054
1055	/* Attributes
1056	---------------------------------------------------------------------- */
1057
1058	// Support: IE<8
1059	// Verify that getAttribute really returns attributes and not properties
1060	// (excepting IE8 booleans)
1061	support.attributes = assert(function( div ) {
1062		div.className = "i";
1063		return !div.getAttribute("className");
1064	});
1065
1066	/* getElement(s)By*
1067	---------------------------------------------------------------------- */
1068
1069	// Check if getElementsByTagName("*") returns only elements
1070	support.getElementsByTagName = assert(function( div ) {
1071		div.appendChild( doc.createComment("") );
1072		return !div.getElementsByTagName("*").length;
1073	});
1074
1075	// Support: IE<9
1076	support.getElementsByClassName = rnative.test( doc.getElementsByClassName );
1077
1078	// Support: IE<10
1079	// Check if getElementById returns elements by name
1080	// The broken getElementById methods don't pick up programatically-set names,
1081	// so use a roundabout getElementsByName test
1082	support.getById = assert(function( div ) {
1083		docElem.appendChild( div ).id = expando;
1084		return !doc.getElementsByName || !doc.getElementsByName( expando ).length;
1085	});
1086
1087	// ID find and filter
1088	if ( support.getById ) {
1089		Expr.find["ID"] = function( id, context ) {
1090			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1091				var m = context.getElementById( id );
1092				// Check parentNode to catch when Blackberry 4.6 returns
1093				// nodes that are no longer in the document #6963
1094				return m && m.parentNode ? [ m ] : [];
1095			}
1096		};
1097		Expr.filter["ID"] = function( id ) {
1098			var attrId = id.replace( runescape, funescape );
1099			return function( elem ) {
1100				return elem.getAttribute("id") === attrId;
1101			};
1102		};
1103	} else {
1104		// Support: IE6/7
1105		// getElementById is not reliable as a find shortcut
1106		delete Expr.find["ID"];
1107
1108		Expr.filter["ID"] =  function( id ) {
1109			var attrId = id.replace( runescape, funescape );
1110			return function( elem ) {
1111				var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
1112				return node && node.value === attrId;
1113			};
1114		};
1115	}
1116
1117	// Tag
1118	Expr.find["TAG"] = support.getElementsByTagName ?
1119		function( tag, context ) {
1120			if ( typeof context.getElementsByTagName !== "undefined" ) {
1121				return context.getElementsByTagName( tag );
1122
1123			// DocumentFragment nodes don't have gEBTN
1124			} else if ( support.qsa ) {
1125				return context.querySelectorAll( tag );
1126			}
1127		} :
1128
1129		function( tag, context ) {
1130			var elem,
1131				tmp = [],
1132				i = 0,
1133				// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1134				results = context.getElementsByTagName( tag );
1135
1136			// Filter out possible comments
1137			if ( tag === "*" ) {
1138				while ( (elem = results[i++]) ) {
1139					if ( elem.nodeType === 1 ) {
1140						tmp.push( elem );
1141					}
1142				}
1143
1144				return tmp;
1145			}
1146			return results;
1147		};
1148
1149	// Class
1150	Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1151		if ( documentIsHTML ) {
1152			return context.getElementsByClassName( className );
1153		}
1154	};
1155
1156	/* QSA/matchesSelector
1157	---------------------------------------------------------------------- */
1158
1159	// QSA and matchesSelector support
1160
1161	// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1162	rbuggyMatches = [];
1163
1164	// qSa(:focus) reports false when true (Chrome 21)
1165	// We allow this because of a bug in IE8/9 that throws an error
1166	// whenever `document.activeElement` is accessed on an iframe
1167	// So, we allow :focus to pass through QSA all the time to avoid the IE error
1168	// See http://bugs.jquery.com/ticket/13378
1169	rbuggyQSA = [];
1170
1171	if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
1172		// Build QSA regex
1173		// Regex strategy adopted from Diego Perini
1174		assert(function( div ) {
1175			// Select is set to empty string on purpose
1176			// This is to test IE's treatment of not explicitly
1177			// setting a boolean content attribute,
1178			// since its presence should be enough
1179			// http://bugs.jquery.com/ticket/12359
1180			docElem.appendChild( div ).innerHTML = "<a id='" + expando + "'></a>" +
1181				"<select id='" + expando + "-\f]' msallowcapture=''>" +
1182				"<option selected=''></option></select>";
1183
1184			// Support: IE8, Opera 11-12.16
1185			// Nothing should be selected when empty strings follow ^= or $= or *=
1186			// The test attribute must be unknown in Opera but "safe" for WinRT
1187			// http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1188			if ( div.querySelectorAll("[msallowcapture^='']").length ) {
1189				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1190			}
1191
1192			// Support: IE8
1193			// Boolean attributes and "value" are not treated correctly
1194			if ( !div.querySelectorAll("[selected]").length ) {
1195				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1196			}
1197
1198			// Support: Chrome<29, Android<4.2+, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.7+
1199			if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1200				rbuggyQSA.push("~=");
1201			}
1202
1203			// Webkit/Opera - :checked should return selected option elements
1204			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1205			// IE8 throws error here and will not see later tests
1206			if ( !div.querySelectorAll(":checked").length ) {
1207				rbuggyQSA.push(":checked");
1208			}
1209
1210			// Support: Safari 8+, iOS 8+
1211			// https://bugs.webkit.org/show_bug.cgi?id=136851
1212			// In-page `selector#id sibing-combinator selector` fails
1213			if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) {
1214				rbuggyQSA.push(".#.+[+~]");
1215			}
1216		});
1217
1218		assert(function( div ) {
1219			// Support: Windows 8 Native Apps
1220			// The type and name attributes are restricted during .innerHTML assignment
1221			var input = doc.createElement("input");
1222			input.setAttribute( "type", "hidden" );
1223			div.appendChild( input ).setAttribute( "name", "D" );
1224
1225			// Support: IE8
1226			// Enforce case-sensitivity of name attribute
1227			if ( div.querySelectorAll("[name=d]").length ) {
1228				rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1229			}
1230
1231			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1232			// IE8 throws error here and will not see later tests
1233			if ( !div.querySelectorAll(":enabled").length ) {
1234				rbuggyQSA.push( ":enabled", ":disabled" );
1235			}
1236
1237			// Opera 10-11 does not throw on post-comma invalid pseudos
1238			div.querySelectorAll("*,:x");
1239			rbuggyQSA.push(",.*:");
1240		});
1241	}
1242
1243	if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1244		docElem.webkitMatchesSelector ||
1245		docElem.mozMatchesSelector ||
1246		docElem.oMatchesSelector ||
1247		docElem.msMatchesSelector) )) ) {
1248
1249		assert(function( div ) {
1250			// Check to see if it's possible to do matchesSelector
1251			// on a disconnected node (IE 9)
1252			support.disconnectedMatch = matches.call( div, "div" );
1253
1254			// This should fail with an exception
1255			// Gecko does not error, returns false instead
1256			matches.call( div, "[s!='']:x" );
1257			rbuggyMatches.push( "!=", pseudos );
1258		});
1259	}
1260
1261	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1262	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1263
1264	/* Contains
1265	---------------------------------------------------------------------- */
1266	hasCompare = rnative.test( docElem.compareDocumentPosition );
1267
1268	// Element contains another
1269	// Purposefully does not implement inclusive descendent
1270	// As in, an element does not contain itself
1271	contains = hasCompare || rnative.test( docElem.contains ) ?
1272		function( a, b ) {
1273			var adown = a.nodeType === 9 ? a.documentElement : a,
1274				bup = b && b.parentNode;
1275			return a === bup || !!( bup && bup.nodeType === 1 && (
1276				adown.contains ?
1277					adown.contains( bup ) :
1278					a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1279			));
1280		} :
1281		function( a, b ) {
1282			if ( b ) {
1283				while ( (b = b.parentNode) ) {
1284					if ( b === a ) {
1285						return true;
1286					}
1287				}
1288			}
1289			return false;
1290		};
1291
1292	/* Sorting
1293	---------------------------------------------------------------------- */
1294
1295	// Document order sorting
1296	sortOrder = hasCompare ?
1297	function( a, b ) {
1298
1299		// Flag for duplicate removal
1300		if ( a === b ) {
1301			hasDuplicate = true;
1302			return 0;
1303		}
1304
1305		// Sort on method existence if only one input has compareDocumentPosition
1306		var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1307		if ( compare ) {
1308			return compare;
1309		}
1310
1311		// Calculate position if both inputs belong to the same document
1312		compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1313			a.compareDocumentPosition( b ) :
1314
1315			// Otherwise we know they are disconnected
1316			1;
1317
1318		// Disconnected nodes
1319		if ( compare & 1 ||
1320			(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1321
1322			// Choose the first element that is related to our preferred document
1323			if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1324				return -1;
1325			}
1326			if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1327				return 1;
1328			}
1329
1330			// Maintain original order
1331			return sortInput ?
1332				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1333				0;
1334		}
1335
1336		return compare & 4 ? -1 : 1;
1337	} :
1338	function( a, b ) {
1339		// Exit early if the nodes are identical
1340		if ( a === b ) {
1341			hasDuplicate = true;
1342			return 0;
1343		}
1344
1345		var cur,
1346			i = 0,
1347			aup = a.parentNode,
1348			bup = b.parentNode,
1349			ap = [ a ],
1350			bp = [ b ];
1351
1352		// Parentless nodes are either documents or disconnected
1353		if ( !aup || !bup ) {
1354			return a === doc ? -1 :
1355				b === doc ? 1 :
1356				aup ? -1 :
1357				bup ? 1 :
1358				sortInput ?
1359				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1360				0;
1361
1362		// If the nodes are siblings, we can do a quick check
1363		} else if ( aup === bup ) {
1364			return siblingCheck( a, b );
1365		}
1366
1367		// Otherwise we need full lists of their ancestors for comparison
1368		cur = a;
1369		while ( (cur = cur.parentNode) ) {
1370			ap.unshift( cur );
1371		}
1372		cur = b;
1373		while ( (cur = cur.parentNode) ) {
1374			bp.unshift( cur );
1375		}
1376
1377		// Walk down the tree looking for a discrepancy
1378		while ( ap[i] === bp[i] ) {
1379			i++;
1380		}
1381
1382		return i ?
1383			// Do a sibling check if the nodes have a common ancestor
1384			siblingCheck( ap[i], bp[i] ) :
1385
1386			// Otherwise nodes in our document sort first
1387			ap[i] === preferredDoc ? -1 :
1388			bp[i] === preferredDoc ? 1 :
1389			0;
1390	};
1391
1392	return doc;
1393};

1394
1395Sizzle.matches = function( expr, elements ) {
1396	return Sizzle( expr, null, null, elements );
1397};
1398
1399Sizzle.matchesSelector = function( elem, expr ) {
1400	// Set document vars if needed
1401	if ( ( elem.ownerDocument || elem ) !== document ) {
1402		setDocument( elem );
1403	}
1404
1405	// Make sure that attribute selectors are quoted
1406	expr = expr.replace( rattributeQuotes, "='$1']" );
1407
1408	if ( support.matchesSelector && documentIsHTML &&
1409		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1410		( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1411
1412		try {
1413			var ret = matches.call( elem, expr );
1414
1415			// IE 9's matchesSelector returns false on disconnected nodes
1416			if ( ret || support.disconnectedMatch ||
1417					// As well, disconnected nodes are said to be in a document
1418					// fragment in IE 9
1419					elem.document && elem.document.nodeType !== 11 ) {
1420				return ret;
1421			}
1422		} catch (e) {}
1423	}
1424
1425	return Sizzle( expr, document, null, [ elem ] ).length > 0;
1426};
1427
1428Sizzle.contains = function( context, elem ) {
1429	// Set document vars if needed
1430	if ( ( context.ownerDocument || context ) !== document ) {
1431		setDocument( context );
1432	}
1433	return contains( context, elem );
1434};
1435
1436Sizzle.attr = function( elem, name ) {
1437	// Set document vars if needed
1438	if ( ( elem.ownerDocument || elem ) !== document ) {
1439		setDocument( elem );
1440	}
1441
1442	var fn = Expr.attrHandle[ name.toLowerCase() ],
1443		// Don't get fooled by Object.prototype properties (jQuery #13807)
1444		val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1445			fn( elem, name, !documentIsHTML ) :
1446			undefined;
1447
1448	return val !== undefined ?
1449		val :
1450		support.attributes || !documentIsHTML ?
1451			elem.getAttribute( name ) :
1452			(val = elem.getAttributeNode(name)) && val.specified ?
1453				val.value :
1454				null;
1455};
1456
1457Sizzle.error = function( msg ) {
1458	throw new Error( "Syntax error, unrecognized expression: " + msg );
1459};
1460
1461/**
1462 * Document sorting and removing duplicates
1463 * @param {ArrayLike} results
1464 */
1465Sizzle.uniqueSort = function( results ) {
1466	var elem,
1467		duplicates = [],
1468		j = 0,
1469		i = 0;
1470
1471	// Unless we *know* we can detect duplicates, assume their presence
1472	hasDuplicate = !support.detectDuplicates;
1473	sortInput = !support.sortStable && results.slice( 0 );
1474	results.sort( sortOrder );
1475
1476	if ( hasDuplicate ) {
1477		while ( (elem = results[i++]) ) {
1478			if ( elem === results[ i ] ) {
1479				j = duplicates.push( i );
1480			}
1481		}
1482		while ( j-- ) {
1483			results.splice( duplicates[ j ], 1 );
1484		}
1485	}
1486
1487	// Clear input after sorting to release objects
1488	// See https://github.com/jquery/sizzle/pull/225
1489	sortInput = null;
1490
1491	return results;
1492};
1493
1494/**
1495 * Utility function for retrieving the text value of an array of DOM nodes
1496 * @param {Array|Element} elem
1497 */
1498getText = Sizzle.getText = function( elem ) {
1499	var node,
1500		ret = "",
1501		i = 0,
1502		nodeType = elem.nodeType;
1503
1504	if ( !nodeType ) {
1505		// If no nodeType, this is expected to be an array
1506		while ( (node = elem[i++]) ) {
1507			// Do not traverse comment nodes
1508			ret += getText( node );
1509		}
1510	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1511		// Use textContent for elements
1512		// innerText usage removed for consistency of new lines (jQuery #11153)
1513		if ( typeof elem.textContent === "string" ) {
1514			return elem.textContent;
1515		} else {
1516			// Traverse its children
1517			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1518				ret += getText( elem );
1519			}
1520		}
1521	} else if ( nodeType === 3 || nodeType === 4 ) {
1522		return elem.nodeValue;
1523	}
1524	// Do not include comment or processing instruction nodes
1525
1526	return ret;
1527};
1528
1529Expr = Sizzle.selectors = {
1530
1531	// Can be adjusted by the user
1532	cacheLength: 50,
1533
1534	createPseudo: markFunction,
1535
1536	match: matchExpr,
1537
1538	attrHandle: {},
1539
1540	find: {},
1541
1542	relative: {
1543		">": { dir: "parentNode", first: true },
1544		" ": { dir: "parentNode" },
1545		"+": { dir: "previousSibling", first: true },
1546		"~": { dir: "previousSibling" }
1547	},
1548
1549	preFilter: {
1550		"ATTR": function( match ) {
1551			match[1] = match[1].replace( runescape, funescape );
1552
1553			// Move the given value to match[3] whether quoted or unquoted
1554			match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1555
1556			if ( match[2] === "~=" ) {
1557				match[3] = " " + match[3] + " ";
1558			}
1559
1560			return match.slice( 0, 4 );
1561		},
1562
1563		"CHILD": function( match ) {
1564			/* matches from matchExpr["CHILD"]
1565				1 type (only|nth|...)
1566				2 what (child|of-type)

1567				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1568				4 xn-component of xn+y argument ([+-]?\d*n|)
1569				5 sign of xn-component
1570				6 x of xn-component
1571				7 sign of y-component
1572				8 y of y-component
1573			*/
1574			match[1] = match[1].toLowerCase();
1575
1576			if ( match[1].slice( 0, 3 ) === "nth" ) {
1577				// nth-* requires argument
1578				if ( !match[3] ) {
1579					Sizzle.error( match[0] );
1580				}
1581
1582				// numeric x and y parameters for Expr.filter.CHILD
1583				// remember that false/true cast respectively to 0/1
1584				match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1585				match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1586
1587			// other types prohibit arguments
1588			} else if ( match[3] ) {
1589				Sizzle.error( match[0] );
1590			}
1591
1592			return match;
1593		},
1594
1595		"PSEUDO": function( match ) {
1596			var excess,
1597				unquoted = !match[6] && match[2];
1598
1599			if ( matchExpr["CHILD"].test( match[0] ) ) {
1600				return null;
1601			}
1602
1603			// Accept quoted arguments as-is
1604			if ( match[3] ) {
1605				match[2] = match[4] || match[5] || "";
1606
1607			// Strip excess characters from unquoted arguments
1608			} else if ( unquoted && rpseudo.test( unquoted ) &&
1609				// Get excess from tokenize (recursively)
1610				(excess = tokenize( unquoted, true )) &&
1611				// advance to the next closing parenthesis
1612				(excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1613
1614				// excess is a negative index
1615				match[0] = match[0].slice( 0, excess );
1616				match[2] = unquoted.slice( 0, excess );
1617			}
1618
1619			// Return only captures needed by the pseudo filter method (type and argument)
1620			return match.slice( 0, 3 );
1621		}
1622	},
1623
1624	filter: {
1625
1626		"TAG": function( nodeNameSelector ) {
1627			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1628			return nodeNameSelector === "*" ?
1629				function() { return true; } :
1630				function( elem ) {
1631					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1632				};
1633		},
1634
1635		"CLASS": function( className ) {
1636			var pattern = classCache[ className + " " ];
1637
1638			return pattern ||
1639				(pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1640				classCache( className, function( elem ) {
1641					return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
1642				});
1643		},
1644
1645		"ATTR": function( name, operator, check ) {
1646			return function( elem ) {
1647				var result = Sizzle.attr( elem, name );
1648
1649				if ( result == null ) {
1650					return operator === "!=";
1651				}
1652				if ( !operator ) {
1653					return true;
1654				}
1655
1656				result += "";
1657
1658				return operator === "=" ? result === check :
1659					operator === "!=" ? result !== check :
1660					operator === "^=" ? check && result.indexOf( check ) === 0 :
1661					operator === "*=" ? check && result.indexOf( check ) > -1 :
1662					operator === "$=" ? check && result.slice( -check.length ) === check :
1663					operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1664					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1665					false;
1666			};
1667		},
1668
1669		"CHILD": function( type, what, argument, first, last ) {
1670			var simple = type.slice( 0, 3 ) !== "nth",
1671				forward = type.slice( -4 ) !== "last",
1672				ofType = what === "of-type";
1673
1674			return first === 1 && last === 0 ?
1675
1676				// Shortcut for :nth-*(n)
1677				function( elem ) {
1678					return !!elem.parentNode;
1679				} :
1680
1681				function( elem, context, xml ) {
1682					var cache, outerCache, node, diff, nodeIndex, start,
1683						dir = simple !== forward ? "nextSibling" : "previousSibling",
1684						parent = elem.parentNode,
1685						name = ofType && elem.nodeName.toLowerCase(),
1686						useCache = !xml && !ofType;
1687
1688					if ( parent ) {
1689
1690						// :(first|last|only)-(child|of-type)
1691						if ( simple ) {
1692							while ( dir ) {
1693								node = elem;
1694								while ( (node = node[ dir ]) ) {
1695									if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
1696										return false;
1697									}
1698								}
1699								// Reverse direction for :only-* (if we haven't yet done so)
1700								start = dir = type === "only" && !start && "nextSibling";
1701							}
1702							return true;
1703						}
1704
1705						start = [ forward ? parent.firstChild : parent.lastChild ];
1706
1707						// non-xml :nth-child(...) stores cache data on `parent`
1708						if ( forward && useCache ) {
1709							// Seek `elem` from a previously-cached index
1710							outerCache = parent[ expando ] || (parent[ expando ] = {});
1711							cache = outerCache[ type ] || [];
1712							nodeIndex = cache[0] === dirruns && cache[1];
1713							diff = cache[0] === dirruns && cache[2];
1714							node = nodeIndex && parent.childNodes[ nodeIndex ];
1715
1716							while ( (node = ++nodeIndex && node && node[ dir ] ||
1717
1718								// Fallback to seeking `elem` from the start
1719								(diff = nodeIndex = 0) || start.pop()) ) {
1720
1721								// When found, cache indexes on `parent` and break
1722								if ( node.nodeType === 1 && ++diff && node === elem ) {
1723									outerCache[ type ] = [ dirruns, nodeIndex, diff ];
1724									break;
1725								}
1726							}
1727
1728						// Use previously-cached element index if available
1729						} else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
1730							diff = cache[1];
1731
1732						// xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
1733						} else {
1734							// Use the same loop as above to seek `elem` from the start
1735							while ( (node = ++nodeIndex && node && node[ dir ] ||
1736								(diff = nodeIndex = 0) || start.pop()) ) {
1737
1738								if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
1739									// Cache the index of each encountered element
1740									if ( useCache ) {
1741										(node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
1742									}
1743
1744									if ( node === elem ) {
1745										break;
1746									}
1747								}
1748							}
1749						}
1750
1751						// Incorporate the offset, then check against cycle size
1752						diff -= last;
1753						return diff === first || ( diff % first === 0 && diff / first >= 0 );
1754					}
1755				};
1756		},
1757
1758		"PSEUDO": function( pseudo, argument ) {
1759			// pseudo-class names are case-insensitive
1760			// http://www.w3.org/TR/selectors/#pseudo-classes
1761			// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1762			// Remember that setFilters inherits from pseudos
1763			var args,
1764				fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1765					Sizzle.error( "unsupported pseudo: " + pseudo );
1766
1767			// The user may use createPseudo to indicate that
1768			// arguments are needed to create the filter function
1769			// just as Sizzle does
1770			if ( fn[ expando ] ) {
1771				return fn( argument );
1772			}
1773
1774			// But maintain support for old signatures
1775			if ( fn.length > 1 ) {
1776				args = [ pseudo, pseudo, "", argument ];
1777				return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1778					markFunction(function( seed, matches ) {
1779						var idx,
1780							matched = fn( seed, argument ),
1781							i = matched.length;
1782						while ( i-- ) {
1783							idx = indexOf( seed, matched[i] );
1784							seed[ idx ] = !( matches[ idx ] = matched[i] );
1785						}
1786					}) :
1787					function( elem ) {
1788						return fn( elem, 0, args );
1789					};
1790			}
1791
1792			return fn;
1793		}
1794	},
1795
1796	pseudos: {
1797		// Potentially complex pseudos
1798		"not": markFunction(function( selector ) {
1799			// Trim the selector passed to compile
1800			// to avoid treating leading and trailing
1801			// spaces as combinators
1802			var input = [],
1803				results = [],
1804				matcher = compile( selector.replace( rtrim, "$1" ) );
1805
1806			return matcher[ expando ] ?
1807				markFunction(function( seed, matches, context, xml ) {
1808					var elem,
1809						unmatched = matcher( seed, null, xml, [] ),
1810						i = seed.length;
1811
1812					// Match elements unmatched by `matcher`
1813					while ( i-- ) {
1814						if ( (elem = unmatched[i]) ) {
1815							seed[i] = !(matches[i] = elem);
1816						}
1817					}
1818				}) :
1819				function( elem, context, xml ) {
1820					input[0] = elem;
1821					matcher( input, null, xml, results );
1822					// Don't keep the element (issue #299)
1823					input[0] = null;
1824					return !results.pop();
1825				};
1826		}),
1827
1828		"has": markFunction(function( selector ) {
1829			return function( elem ) {
1830				return Sizzle( selector, elem ).length > 0;
1831			};
1832		}),
1833
1834		"contains": markFunction(function( text ) {
1835			text = text.replace( runescape, funescape );
1836			return function( elem ) {
1837				return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
1838			};
1839		}),
1840
1841		// "Whether an element is represented by a :lang() selector
1842		// is based solely on the element's language value
1843		// being equal to the identifier C,
1844		// or beginning with the identifier C immediately followed by "-".
1845		// The matching of C against the element's language value is performed case-insensitively.
1846		// The identifier C does not have to be a valid language name."
1847		// http://www.w3.org/TR/selectors/#lang-pseudo
1848		"lang": markFunction( function( lang ) {
1849			// lang value must be a valid identifier
1850			if ( !ridentifier.test(lang || "") ) {
1851				Sizzle.error( "unsupported lang: " + lang );
1852			}
1853			lang = lang.replace( runescape, funescape ).toLowerCase();
1854			return function( elem ) {
1855				var elemLang;
1856				do {
1857					if ( (elemLang = documentIsHTML ?
1858						elem.lang :
1859						elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
1860
1861						elemLang = elemLang.toLowerCase();
1862						return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
1863					}
1864				} while ( (elem = elem.parentNode) && elem.nodeType === 1 );
1865				return false;
1866			};
1867		}),
1868
1869		// Miscellaneous
1870		"target": function( elem ) {
1871			var hash = window.location && window.location.hash;
1872			return hash && hash.slice( 1 ) === elem.id;
1873		},
1874
1875		"root": function( elem ) {
1876			return elem === docElem;
1877		},
1878

1879		"focus": function( elem ) {
1880			return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
1881		},
1882
1883		// Boolean properties
1884		"enabled": function( elem ) {
1885			return elem.disabled === false;
1886		},
1887
1888		"disabled": function( elem ) {
1889			return elem.disabled === true;
1890		},
1891
1892		"checked": function( elem ) {
1893			// In CSS3, :checked should return both checked and selected elements
1894			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1895			var nodeName = elem.nodeName.toLowerCase();
1896			return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
1897		},
1898
1899		"selected": function( elem ) {
1900			// Accessing this property makes selected-by-default
1901			// options in Safari work properly
1902			if ( elem.parentNode ) {
1903				elem.parentNode.selectedIndex;
1904			}
1905
1906			return elem.selected === true;
1907		},
1908
1909		// Contents
1910		"empty": function( elem ) {
1911			// http://www.w3.org/TR/selectors/#empty-pseudo
1912			// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
1913			//   but not by others (comment: 8; processing instruction: 7; etc.)
1914			// nodeType < 6 works because attributes (2) do not appear as children
1915			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1916				if ( elem.nodeType < 6 ) {
1917					return false;
1918				}
1919			}
1920			return true;
1921		},
1922
1923		"parent": function( elem ) {
1924			return !Expr.pseudos["empty"]( elem );
1925		},
1926
1927		// Element/input types
1928		"header": function( elem ) {
1929			return rheader.test( elem.nodeName );
1930		},
1931
1932		"input": function( elem ) {
1933			return rinputs.test( elem.nodeName );
1934		},
1935
1936		"button": function( elem ) {
1937			var name = elem.nodeName.toLowerCase();
1938			return name === "input" && elem.type === "button" || name === "button";
1939		},
1940
1941		"text": function( elem ) {
1942			var attr;
1943			return elem.nodeName.toLowerCase() === "input" &&
1944				elem.type === "text" &&
1945
1946				// Support: IE<8
1947				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
1948				( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
1949		},
1950
1951		// Position-in-collection
1952		"first": createPositionalPseudo(function() {
1953			return [ 0 ];
1954		}),
1955
1956		"last": createPositionalPseudo(function( matchIndexes, length ) {
1957			return [ length - 1 ];
1958		}),
1959
1960		"eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
1961			return [ argument < 0 ? argument + length : argument ];
1962		}),
1963
1964		"even": createPositionalPseudo(function( matchIndexes, length ) {
1965			var i = 0;
1966			for ( ; i < length; i += 2 ) {
1967				matchIndexes.push( i );
1968			}
1969			return matchIndexes;
1970		}),
1971
1972		"odd": createPositionalPseudo(function( matchIndexes, length ) {
1973			var i = 1;
1974			for ( ; i < length; i += 2 ) {
1975				matchIndexes.push( i );
1976			}
1977			return matchIndexes;
1978		}),
1979
1980		"lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
1981			var i = argument < 0 ? argument + length : argument;
1982			for ( ; --i >= 0; ) {
1983				matchIndexes.push( i );
1984			}
1985			return matchIndexes;
1986		}),
1987
1988		"gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
1989			var i = argument < 0 ? argument + length : argument;
1990			for ( ; ++i < length; ) {
1991				matchIndexes.push( i );
1992			}
1993			return matchIndexes;
1994		})
1995	}
1996};
1997
1998Expr.pseudos["nth"] = Expr.pseudos["eq"];
1999
2000// Add button/input type pseudos
2001for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2002	Expr.pseudos[ i ] = createInputPseudo( i );
2003}
2004for ( i in { submit: true, reset: true } ) {
2005	Expr.pseudos[ i ] = createButtonPseudo( i );
2006}
2007
2008// Easy API for creating new setFilters
2009function setFilters() {}
2010setFilters.prototype = Expr.filters = Expr.pseudos;
2011Expr.setFilters = new setFilters();
2012
2013tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2014	var matched, match, tokens, type,
2015		soFar, groups, preFilters,
2016		cached = tokenCache[ selector + " " ];
2017
2018	if ( cached ) {
2019		return parseOnly ? 0 : cached.slice( 0 );
2020	}
2021
2022	soFar = selector;
2023	groups = [];
2024	preFilters = Expr.preFilter;
2025
2026	while ( soFar ) {
2027
2028		// Comma and first run
2029		if ( !matched || (match = rcomma.exec( soFar )) ) {
2030			if ( match ) {
2031				// Don't consume trailing commas as valid
2032				soFar = soFar.slice( match[0].length ) || soFar;
2033			}
2034			groups.push( (tokens = []) );
2035		}
2036
2037		matched = false;
2038
2039		// Combinators
2040		if ( (match = rcombinators.exec( soFar )) ) {
2041			matched = match.shift();
2042			tokens.push({
2043				value: matched,
2044				// Cast descendant combinators to space
2045				type: match[0].replace( rtrim, " " )
2046			});
2047			soFar = soFar.slice( matched.length );
2048		}
2049
2050		// Filters
2051		for ( type in Expr.filter ) {
2052			if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2053				(match = preFilters[ type ]( match ))) ) {
2054				matched = match.shift();
2055				tokens.push({
2056					value: matched,
2057					type: type,
2058					matches: match
2059				});
2060				soFar = soFar.slice( matched.length );
2061			}
2062		}
2063
2064		if ( !matched ) {
2065			break;
2066		}
2067	}
2068
2069	// Return the length of the invalid excess
2070	// if we're just parsing
2071	// Otherwise, throw an error or return tokens
2072	return parseOnly ?
2073		soFar.length :
2074		soFar ?
2075			Sizzle.error( selector ) :
2076			// Cache the tokens
2077			tokenCache( selector, groups ).slice( 0 );
2078};

2079
2080function toSelector( tokens ) {
2081	var i = 0,
2082		len = tokens.length,
2083		selector = "";
2084	for ( ; i < len; i++ ) {
2085		selector += tokens[i].value;
2086	}
2087	return selector;
2088}
2089
2090function addCombinator( matcher, combinator, base ) {
2091	var dir = combinator.dir,
2092		checkNonElements = base && dir === "parentNode",
2093		doneName = done++;
2094
2095	return combinator.first ?
2096		// Check against closest ancestor/preceding element
2097		function( elem, context, xml ) {
2098			while ( (elem = elem[ dir ]) ) {
2099				if ( elem.nodeType === 1 || checkNonElements ) {
2100					return matcher( elem, context, xml );
2101				}
2102			}
2103		} :
2104
2105		// Check against all ancestor/preceding elements
2106		function( elem, context, xml ) {
2107			var oldCache, outerCache,
2108				newCache = [ dirruns, doneName ];
2109
2110			// We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
2111			if ( xml ) {
2112				while ( (elem = elem[ dir ]) ) {
2113					if ( elem.nodeType === 1 || checkNonElements ) {
2114						if ( matcher( elem, context, xml ) ) {
2115							return true;
2116						}
2117					}
2118				}
2119			} else {
2120				while ( (elem = elem[ dir ]) ) {
2121					if ( elem.nodeType === 1 || checkNonElements ) {
2122						outerCache = elem[ expando ] || (elem[ expando ] = {});
2123						if ( (oldCache = outerCache[ dir ]) &&
2124							oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2125
2126							// Assign to newCache so results back-propagate to previous elements
2127							return (newCache[ 2 ] = oldCache[ 2 ]);
2128						} else {
2129							// Reuse newcache so results back-propagate to previous elements
2130							outerCache[ dir ] = newCache;
2131
2132							// A match means we're done; a fail means we have to keep checking
2133							if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2134								return true;
2135							}
2136						}
2137					}
2138				}
2139			}
2140		};
2141}
2142
2143function elementMatcher( matchers ) {
2144	return matchers.length > 1 ?
2145		function( elem, context, xml ) {
2146			var i = matchers.length;
2147			while ( i-- ) {
2148				if ( !matchers[i]( elem, context, xml ) ) {
2149					return false;
2150				}
2151			}
2152			return true;
2153		} :
2154		matchers[0];
2155}
2156
2157function multipleContexts( selector, contexts, results ) {
2158	var i = 0,
2159		len = contexts.length;
2160	for ( ; i < len; i++ ) {
2161		Sizzle( selector, contexts[i], results );
2162	}
2163	return results;
2164}
2165
2166function condense( unmatched, map, filter, context, xml ) {
2167	var elem,
2168		newUnmatched = [],
2169		i = 0,
2170		len = unmatched.length,
2171		mapped = map != null;
2172
2173	for ( ; i < len; i++ ) {
2174		if ( (elem = unmatched[i]) ) {
2175			if ( !filter || filter( elem, context, xml ) ) {
2176				newUnmatched.push( elem );
2177				if ( mapped ) {
2178					map.push( i );
2179				}
2180			}
2181		}
2182	}
2183
2184	return newUnmatched;
2185}
2186
2187function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2188	if ( postFilter && !postFilter[ expando ] ) {
2189		postFilter = setMatcher( postFilter );
2190	}
2191	if ( postFinder && !postFinder[ expando ] ) {
2192		postFinder = setMatcher( postFinder, postSelector );
2193	}
2194	return markFunction(function( seed, results, context, xml ) {
2195		var temp, i, elem,
2196			preMap = [],
2197			postMap = [],
2198			preexisting = results.length,
2199
2200			// Get initial elements from seed or context
2201			elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2202
2203			// Prefilter to get matcher input, preserving a map for seed-results synchronization
2204			matcherIn = preFilter && ( seed || !selector ) ?
2205				condense( elems, preMap, preFilter, context, xml ) :
2206				elems,
2207
2208			matcherOut = matcher ?
2209				// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2210				postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2211
2212					// ...intermediate processing is necessary
2213					[] :
2214
2215					// ...otherwise use results directly
2216					results :
2217				matcherIn;
2218
2219		// Find primary matches
2220		if ( matcher ) {
2221			matcher( matcherIn, matcherOut, context, xml );
2222		}
2223
2224		// Apply postFilter
2225		if ( postFilter ) {
2226			temp = condense( matcherOut, postMap );
2227			postFilter( temp, [], context, xml );
2228
2229			// Un-match failing elements by moving them back to matcherIn
2230			i = temp.length;
2231			while ( i-- ) {
2232				if ( (elem = temp[i]) ) {
2233					matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2234				}
2235			}
2236		}
2237
2238		if ( seed ) {
2239			if ( postFinder || preFilter ) {
2240				if ( postFinder ) {
2241					// Get the final matcherOut by condensing this intermediate into postFinder contexts
2242					temp = [];
2243					i = matcherOut.length;
2244					while ( i-- ) {
2245						if ( (elem = matcherOut[i]) ) {
2246							// Restore matcherIn since elem is not yet a final match
2247							temp.push( (matcherIn[i] = elem) );
2248						}
2249					}
2250					postFinder( null, (matcherOut = []), temp, xml );
2251				}
2252
2253				// Move matched elements from seed to results to keep them synchronized
2254				i = matcherOut.length;
2255				while ( i-- ) {
2256					if ( (elem = matcherOut[i]) &&
2257						(temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2258
2259						seed[temp] = !(results[temp] = elem);
2260					}
2261				}
2262			}
2263
2264		// Add elements to results, through postFinder if defined
2265		} else {
2266			matcherOut = condense(
2267				matcherOut === results ?
2268					matcherOut.splice( preexisting, matcherOut.length ) :
2269					matcherOut
2270			);
2271			if ( postFinder ) {
2272				postFinder( null, results, matcherOut, xml );
2273			} else {
2274				push.apply( results, matcherOut );
2275			}
2276		}
2277	});
2278}
2279
2280function matcherFromTokens( tokens ) {
2281	var checkContext, matcher, j,
2282		len = tokens.length,
2283		leadingRelative = Expr.relative[ tokens[0].type ],
2284		implicitRelative = leadingRelative || Expr.relative[" "],
2285		i = leadingRelative ? 1 : 0,
2286
2287		// The foundational matcher ensures that elements are reachable from top-level context(s)
2288		matchContext = addCombinator( function( elem ) {
2289			return elem === checkContext;
2290		}, implicitRelative, true ),
2291		matchAnyContext = addCombinator( function( elem ) {
2292			return indexOf( checkContext, elem ) > -1;
2293		}, implicitRelative, true ),
2294		matchers = [ function( elem, context, xml ) {
2295			var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2296				(checkContext = context).nodeType ?
2297					matchContext( elem, context, xml ) :
2298					matchAnyContext( elem, context, xml ) );
2299			// Avoid hanging onto element (issue #299)
2300			checkContext = null;
2301			return ret;
2302		} ];
2303
2304	for ( ; i < len; i++ ) {
2305		if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2306			matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2307		} else {
2308			matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2309
2310			// Return special upon seeing a positional matcher
2311			if ( matcher[ expando ] ) {
2312				// Find the next relative operator (if any) for proper handling
2313				j = ++i;
2314				for ( ; j < len; j++ ) {
2315					if ( Expr.relative[ tokens[j].type ] ) {
2316						break;
2317					}
2318				}
2319				return setMatcher(
2320					i > 1 && elementMatcher( matchers ),
2321					i > 1 && toSelector(
2322						// If the preceding token was a descendant combinator, insert an implicit any-element `*`
2323						tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2324					).replace( rtrim, "$1" ),
2325					matcher,
2326					i < j && matcherFromTokens( tokens.slice( i, j ) ),
2327					j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2328					j < len && toSelector( tokens )
2329				);
2330			}
2331			matchers.push( matcher );
2332		}
2333	}
2334
2335	return elementMatcher( matchers );
2336}
2337
2338function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2339	var bySet = setMatchers.length > 0,
2340		byElement = elementMatchers.length > 0,
2341		superMatcher = function( seed, context, xml, results, outermost ) {
2342			var elem, j, matcher,
2343				matchedCount = 0,
2344				i = "0",
2345				unmatched = seed && [],
2346				setMatched = [],
2347				contextBackup = outermostContext,
2348				// We must always have either seed elements or outermost context
2349				elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2350				// Use integer dirruns iff this is the outermost matcher
2351				dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2352				len = elems.length;
2353
2354			if ( outermost ) {
2355				outermostContext = context !== document && context;
2356			}
2357
2358			// Add elements passing elementMatchers directly to results
2359			// Keep `i` a string if there are no elements so `matchedCount` will be "00" below
2360			// Support: IE<9, Safari
2361			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2362			for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2363				if ( byElement && elem ) {
2364					j = 0;
2365					while ( (matcher = elementMatchers[j++]) ) {
2366						if ( matcher( elem, context, xml ) ) {
2367							results.push( elem );
2368							break;
2369						}
2370					}
2371					if ( outermost ) {
2372						dirruns = dirrunsUnique;
2373					}
2374				}
2375
2376				// Track unmatched elements for set filters
2377				if ( bySet ) {
2378					// They will have gone through all possible matchers
2379					if ( (elem = !matcher && elem) ) {
2380						matchedCount--;
2381					}
2382
2383					// Lengthen the array for every element, matched or not
2384					if ( seed ) {
2385						unmatched.push( elem );
2386					}
2387				}
2388			}
2389
2390			// Apply set filters to unmatched elements
2391			matchedCount += i;
2392			if ( bySet && i !== matchedCount ) {
2393				j = 0;
2394				while ( (matcher = setMatchers[j++]) ) {
2395					matcher( unmatched, setMatched, context, xml );
2396				}
2397
2398				if ( seed ) {
2399					// Reintegrate element matches to eliminate the need for sorting
2400					if ( matchedCount > 0 ) {
2401						while ( i-- ) {
2402							if ( !(unmatched[i] || setMatched[i]) ) {
2403								setMatched[i] = pop.call( results );
2404							}
2405						}
2406					}
2407
2408					// Discard index placeholder values to get only actual matches
2409					setMatched = condense( setMatched );
2410				}
2411
2412				// Add matches to results
2413				push.apply( results, setMatched );
2414
2415				// Seedless set matches succeeding multiple successful matchers stipulate sorting
2416				if ( outermost && !seed && setMatched.length > 0 &&
2417					( matchedCount + setMatchers.length ) > 1 ) {
2418
2419					Sizzle.uniqueSort( results );
2420				}
2421			}
2422
2423			// Override manipulation of globals by nested matchers
2424			if ( outermost ) {
2425				dirruns = dirrunsUnique;
2426				outermostContext = contextBackup;
2427			}
2428
2429			return unmatched;
2430		};
2431
2432	return bySet ?
2433		markFunction( superMatcher ) :
2434		superMatcher;
2435}
2436
2437compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2438	var i,
2439		setMatchers = [],
2440		elementMatchers = [],
2441		cached = compilerCache[ selector + " " ];
2442
2443	if ( !cached ) {
2444		// Generate a function of recursive functions that can be used to check each element
2445		if ( !match ) {
2446			match = tokenize( selector );
2447		}
2448		i = match.length;
2449		while ( i-- ) {
2450			cached = matcherFromTokens( match[i] );
2451			if ( cached[ expando ] ) {
2452				setMatchers.push( cached );
2453			} else {
2454				elementMatchers.push( cached );
2455			}
2456		}
2457
2458		// Cache the compiled function
2459		cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2460
2461		// Save selector and tokenization
2462		cached.selector = selector;
2463	}
2464	return cached;
2465};

2466
2467/**
2468 * A low-level selection function that works with Sizzle's compiled
2469 *  selector functions
2470 * @param {String|Function} selector A selector or a pre-compiled
2471 *  selector function built with Sizzle.compile
2472 * @param {Element} context
2473 * @param {Array} [results]
2474 * @param {Array} [seed] A set of elements to match against
2475 */
2476select = Sizzle.select = function( selector, context, results, seed ) {
2477	var i, tokens, token, type, find,
2478		compiled = typeof selector === "function" && selector,
2479		match = !seed && tokenize( (selector = compiled.selector || selector) );
2480
2481	results = results || [];
2482
2483	// Try to minimize operations if there is no seed and only one group
2484	if ( match.length === 1 ) {
2485
2486		// Take a shortcut and set the context if the root selector is an ID
2487		tokens = match[0] = match[0].slice( 0 );
2488		if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2489				support.getById && context.nodeType === 9 && documentIsHTML &&
2490				Expr.relative[ tokens[1].type ] ) {
2491
2492			context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2493			if ( !context ) {
2494				return results;
2495
2496			// Precompiled matchers will still verify ancestry, so step up a level
2497			} else if ( compiled ) {
2498				context = context.parentNode;
2499			}
2500
2501			selector = selector.slice( tokens.shift().value.length );
2502		}
2503
2504		// Fetch a seed set for right-to-left matching
2505		i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2506		while ( i-- ) {
2507			token = tokens[i];
2508
2509			// Abort if we hit a combinator
2510			if ( Expr.relative[ (type = token.type) ] ) {
2511				break;
2512			}
2513			if ( (find = Expr.find[ type ]) ) {
2514				// Search, expanding context for leading sibling combinators
2515				if ( (seed = find(
2516					token.matches[0].replace( runescape, funescape ),
2517					rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2518				)) ) {
2519
2520					// If seed is empty or no tokens remain, we can return early
2521					tokens.splice( i, 1 );
2522					selector = seed.length && toSelector( tokens );
2523					if ( !selector ) {
2524						push.apply( results, seed );
2525						return results;
2526					}
2527
2528					break;
2529				}
2530			}
2531		}
2532	}
2533
2534	// Compile and execute a filtering function if one is not provided
2535	// Provide `match` to avoid retokenization if we modified the selector above
2536	( compiled || compile( selector, match ) )(
2537		seed,
2538		context,
2539		!documentIsHTML,
2540		results,
2541		rsibling.test( selector ) && testContext( context.parentNode ) || context
2542	);
2543	return results;
2544};
2545
2546// One-time assignments
2547
2548// Sort stability
2549support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2550
2551// Support: Chrome 14-35+
2552// Always assume duplicates if they aren't passed to the comparison function
2553support.detectDuplicates = !!hasDuplicate;
2554
2555// Initialize against the default document
2556setDocument();
2557
2558// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2559// Detached nodes confoundingly follow *each other*
2560support.sortDetached = assert(function( div1 ) {
2561	// Should return 1, but returns 4 (following)
2562	return div1.compareDocumentPosition( document.createElement("div") ) & 1;
2563});
2564
2565// Support: IE<8
2566// Prevent attribute/property "interpolation"
2567// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2568if ( !assert(function( div ) {
2569	div.innerHTML = "<a href='#'></a>";
2570	return div.firstChild.getAttribute("href") === "#" ;
2571}) ) {
2572	addHandle( "type|href|height|width", function( elem, name, isXML ) {
2573		if ( !isXML ) {
2574			return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2575		}
2576	});
2577}
2578
2579// Support: IE<9
2580// Use defaultValue in place of getAttribute("value")
2581if ( !support.attributes || !assert(function( div ) {
2582	div.innerHTML = "<input/>";
2583	div.firstChild.setAttribute( "value", "" );
2584	return div.firstChild.getAttribute( "value" ) === "";
2585}) ) {
2586	addHandle( "value", function( elem, name, isXML ) {
2587		if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2588			return elem.defaultValue;
2589		}
2590	});
2591}
2592
2593// Support: IE<9

2594// Use getAttributeNode to fetch booleans when getAttribute lies
2595if ( !assert(function( div ) {
2596	return div.getAttribute("disabled") == null;
2597}) ) {
2598	addHandle( booleans, function( elem, name, isXML ) {
2599		var val;
2600		if ( !isXML ) {
2601			return elem[ name ] === true ? name.toLowerCase() :
2602					(val = elem.getAttributeNode( name )) && val.specified ?
2603					val.value :
2604				null;
2605		}
2606	});
2607}
2608
2609return Sizzle;
2610
2611})( window );
2612
2613
2614
2615jQuery.find = Sizzle;
2616jQuery.expr = Sizzle.selectors;
2617jQuery.expr[":"] = jQuery.expr.pseudos;
2618jQuery.unique = Sizzle.uniqueSort;
2619jQuery.text = Sizzle.getText;
2620jQuery.isXMLDoc = Sizzle.isXML;
2621jQuery.contains = Sizzle.contains;
2622
2623
2624
2625var rneedsContext = jQuery.expr.match.needsContext;
2626
2627var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/);
2628
2629
2630
2631var risSimple = /^.[^:#\[\.,]*$/;
2632
2633// Implement the identical functionality for filter and not
2634function winnow( elements, qualifier, not ) {
2635	if ( jQuery.isFunction( qualifier ) ) {
2636		return jQuery.grep( elements, function( elem, i ) {
2637			/* jshint -W018 */
2638			return !!qualifier.call( elem, i, elem ) !== not;
2639		});
2640
2641	}
2642
2643	if ( qualifier.nodeType ) {
2644		return jQuery.grep( elements, function( elem ) {
2645			return ( elem === qualifier ) !== not;
2646		});
2647
2648	}
2649
2650	if ( typeof qualifier === "string" ) {
2651		if ( risSimple.test( qualifier ) ) {
2652			return jQuery.filter( qualifier, elements, not );
2653		}
2654
2655		qualifier = jQuery.filter( qualifier, elements );
2656	}
2657
2658	return jQuery.grep( elements, function( elem ) {
2659		return ( indexOf.call( qualifier, elem ) >= 0 ) !== not;
2660	});
2661}
2662
2663jQuery.filter = function( expr, elems, not ) {
2664	var elem = elems[ 0 ];
2665
2666	if ( not ) {
2667		expr = ":not(" + expr + ")";
2668	}
2669
2670	return elems.length === 1 && elem.nodeType === 1 ?
2671		jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
2672		jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2673			return elem.nodeType === 1;
2674		}));
2675};
2676
2677jQuery.fn.extend({
2678	find: function( selector ) {
2679		var i,
2680			len = this.length,
2681			ret = [],
2682			self = this;
2683
2684		if ( typeof selector !== "string" ) {
2685			return this.pushStack( jQuery( selector ).filter(function() {
2686				for ( i = 0; i < len; i++ ) {
2687					if ( jQuery.contains( self[ i ], this ) ) {
2688						return true;
2689					}
2690				}
2691			}) );
2692		}
2693
2694		for ( i = 0; i < len; i++ ) {
2695			jQuery.find( selector, self[ i ], ret );
2696		}
2697
2698		// Needed because $( selector, context ) becomes $( context ).find( selector )
2699		ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
2700		ret.selector = this.selector ? this.selector + " " + selector : selector;
2701		return ret;
2702	},
2703	filter: function( selector ) {
2704		return this.pushStack( winnow(this, selector || [], false) );
2705	},
2706	not: function( selector ) {
2707		return this.pushStack( winnow(this, selector || [], true) );
2708	},
2709	is: function( selector ) {
2710		return !!winnow(
2711			this,
2712
2713			// If this is a positional/relative selector, check membership in the returned set
2714			// so $("p:first").is("p:last") won't return true for a doc with two "p".
2715			typeof selector === "string" && rneedsContext.test( selector ) ?
2716				jQuery( selector ) :
2717				selector || [],
2718			false
2719		).length;
2720	}
2721});
2722
2723
2724// Initialize a jQuery object
2725
2726
2727// A central reference to the root jQuery(document)
2728var rootjQuery,
2729
2730	// A simple way to check for HTML strings
2731	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2732	// Strict HTML recognition (#11290: must start with <)
2733	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
2734
2735	init = jQuery.fn.init = function( selector, context ) {
2736		var match, elem;
2737
2738		// HANDLE: $(""), $(null), $(undefined), $(false)
2739		if ( !selector ) {
2740			return this;
2741		}
2742
2743		// Handle HTML strings
2744		if ( typeof selector === "string" ) {
2745			if ( selector[0] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) {
2746				// Assume that strings that start and end with <> are HTML and skip the regex check
2747				match = [ null, selector, null ];
2748
2749			} else {
2750				match = rquickExpr.exec( selector );
2751			}
2752
2753			// Match html or make sure no context is specified for #id
2754			if ( match && (match[1] || !context) ) {
2755
2756				// HANDLE: $(html) -> $(array)
2757				if ( match[1] ) {
2758					context = context instanceof jQuery ? context[0] : context;
2759
2760					// Option to run scripts is true for back-compat
2761					// Intentionally let the error be thrown if parseHTML is not present
2762					jQuery.merge( this, jQuery.parseHTML(
2763						match[1],
2764						context && context.nodeType ? context.ownerDocument || context : document,
2765						true
2766					) );
2767
2768					// HANDLE: $(html, props)
2769					if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
2770						for ( match in context ) {
2771							// Properties of context are called as methods if possible
2772							if ( jQuery.isFunction( this[ match ] ) ) {
2773								this[ match ]( context[ match ] );
2774
2775							// ...and otherwise set as attributes
2776							} else {
2777								this.attr( match, context[ match ] );
2778							}
2779						}
2780					}
2781
2782					return this;
2783
2784				// HANDLE: $(#id)
2785				} else {
2786					elem = document.getElementById( match[2] );
2787
2788					// Support: Blackberry 4.6
2789					// gEBID returns nodes no longer in the document (#6963)
2790					if ( elem && elem.parentNode ) {
2791						// Inject the element directly into the jQuery object
2792						this.length = 1;
2793						this[0] = elem;
2794					}
2795
2796					this.context = document;
2797					this.selector = selector;
2798					return this;
2799				}
2800
2801			// HANDLE: $(expr, $(...))
2802			} else if ( !context || context.jquery ) {
2803				return ( context || rootjQuery ).find( selector );
2804
2805			// HANDLE: $(expr, context)
2806			// (which is just equivalent to: $(context).find(expr)
2807			} else {
2808				return this.constructor( context ).find( selector );
2809			}
2810
2811		// HANDLE: $(DOMElement)
2812		} else if ( selector.nodeType ) {
2813			this.context = this[0] = selector;
2814			this.length = 1;
2815			return this;
2816
2817		// HANDLE: $(function)
2818		// Shortcut for document ready
2819		} else if ( jQuery.isFunction( selector ) ) {
2820			return typeof rootjQuery.ready !== "undefined" ?
2821				rootjQuery.ready( selector ) :
2822				// Execute immediately if ready is not present
2823				selector( jQuery );
2824		}
2825
2826		if ( selector.selector !== undefined ) {
2827			this.selector = selector.selector;
2828			this.context = selector.context;
2829		}
2830
2831		return jQuery.makeArray( selector, this );
2832	};
2833
2834// Give the init function the jQuery prototype for later instantiation
2835init.prototype = jQuery.fn;
2836
2837// Initialize central reference
2838rootjQuery = jQuery( document );
2839
2840
2841var rparentsprev = /^(?:parents|prev(?:Until|All))/,
2842	// Methods guaranteed to produce a unique set when starting from a unique set
2843	guaranteedUnique = {
2844		children: true,
2845		contents: true,
2846		next: true,
2847		prev: true
2848	};
2849
2850jQuery.extend({
2851	dir: function( elem, dir, until ) {
2852		var matched = [],
2853			truncate = until !== undefined;
2854
2855		while ( (elem = elem[ dir ]) && elem.nodeType !== 9 ) {
2856			if ( elem.nodeType === 1 ) {
2857				if ( truncate && jQuery( elem ).is( until ) ) {
2858					break;
2859				}
2860				matched.push( elem );
2861			}
2862		}
2863		return matched;
2864	},
2865
2866	sibling: function( n, elem ) {
2867		var matched = [];
2868
2869		for ( ; n; n = n.nextSibling ) {
2870			if ( n.nodeType === 1 && n !== elem ) {
2871				matched.push( n );
2872			}
2873		}
2874
2875		return matched;
2876	}
2877});
2878
2879jQuery.fn.extend({
2880	has: function( target ) {
2881		var targets = jQuery( target, this ),
2882			l = targets.length;
2883
2884		return this.filter(function() {
2885			var i = 0;
2886			for ( ; i < l; i++ ) {
2887				if ( jQuery.contains( this, targets[i] ) ) {
2888					return true;
2889				}
2890			}
2891		});
2892	},
2893
2894	closest: function( selectors, context ) {
2895		var cur,
2896			i = 0,
2897			l = this.length,
2898			matched = [],
2899			pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
2900				jQuery( selectors, context || this.context ) :
2901				0;
2902
2903		for ( ; i < l; i++ ) {
2904			for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
2905				// Always skip document fragments
2906				if ( cur.nodeType < 11 && (pos ?
2907					pos.index(cur) > -1 :
2908
2909					// Don't pass non-elements to Sizzle
2910					cur.nodeType === 1 &&
2911						jQuery.find.matchesSelector(cur, selectors)) ) {
2912
2913					matched.push( cur );
2914					break;
2915				}
2916			}
2917		}
2918
2919		return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched );
2920	},
2921
2922	// Determine the position of an element within the set
2923	index: function( elem ) {
2924
2925		// No argument, return index in parent
2926		if ( !elem ) {
2927			return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
2928		}
2929
2930		// Index in selector
2931		if ( typeof elem === "string" ) {
2932			return indexOf.call( jQuery( elem ), this[ 0 ] );
2933		}
2934
2935		// Locate the position of the desired element
2936		return indexOf.call( this,
2937
2938			// If it receives a jQuery object, the first element is used
2939			elem.jquery ? elem[ 0 ] : elem
2940		);
2941	},
2942
2943	add: function( selector, context ) {
2944		return this.pushStack(
2945			jQuery.unique(
2946				jQuery.merge( this.get(), jQuery( selector, context ) )
2947			)
2948		);
2949	},
2950
2951	addBack: function( selector ) {
2952		return this.add( selector == null ?
2953			this.prevObject : this.prevObject.filter(selector)
2954		);
2955	}
2956});
2957
2958function sibling( cur, dir ) {
2959	while ( (cur = cur[dir]) && cur.nodeType !== 1 ) {}
2960	return cur;
2961}
2962
2963jQuery.each({
2964	parent: function( elem ) {
2965		var parent = elem.parentNode;
2966		return parent && parent.nodeType !== 11 ? parent : null;
2967	},
2968	parents: function( elem ) {
2969		return jQuery.dir( elem, "parentNode" );
2970	},
2971	parentsUntil: function( elem, i, until ) {
2972		return jQuery.dir( elem, "parentNode", until );
2973	},
2974	next: function( elem ) {
2975		return sibling( elem, "nextSibling" );
2976	},
2977	prev: function( elem ) {
2978		return sibling( elem, "previousSibling" );
2979	},
2980	nextAll: function( elem ) {
2981		return jQuery.dir( elem, "nextSibling" );
2982	},
2983	prevAll: function( elem ) {
2984		return jQuery.dir( elem, "previousSibling" );
2985	},
2986	nextUntil: function( elem, i, until ) {
2987		return jQuery.dir( elem, "nextSibling", until );
2988	},
2989	prevUntil: function( elem, i, until ) {
2990		return jQuery.dir( elem, "previousSibling", until );
2991	},
2992	siblings: function( elem ) {
2993		return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
2994	},
2995	children: function( elem ) {
2996		return jQuery.sibling( elem.firstChild );
2997	},
2998	contents: function( elem ) {
2999		return elem.contentDocument || jQuery.merge( [], elem.childNodes );
3000	}
3001}, function( name, fn ) {
3002	jQuery.fn[ name ] = function( until, selector ) {
3003		var matched = jQuery.map( this, fn, until );
3004
3005		if ( name.slice( -5 ) !== "Until" ) {
3006			selector = until;
3007		}
3008
3009		if ( selector && typeof selector === "string" ) {
3010			matched = jQuery.filter( selector, matched );
3011		}
3012
3013		if ( this.length > 1 ) {
3014			// Remove duplicates
3015			if ( !guaranteedUnique[ name ] ) {
3016				jQuery.unique( matched );
3017			}
3018
3019			// Reverse order for parents* and prev-derivatives
3020			if ( rparentsprev.test( name ) ) {
3021				matched.reverse();
3022			}
3023		}
3024
3025		return this.pushStack( matched );
3026	};
3027});
3028var rnotwhite = (/\S+/g);
3029
3030
3031
3032// String to Object options format cache
3033var optionsCache = {};
3034
3035// Convert String-formatted options into Object-formatted ones and store in cache
3036function createOptions( options ) {
3037	var object = optionsCache[ options ] = {};
3038	jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {
3039		object[ flag ] = true;
3040	});
3041	return object;
3042}
3043
3044/*
3045 * Create a callback list using the following parameters:
3046 *
3047 *	options: an optional list of space-separated options that will change how
3048 *			the callback list behaves or a more traditional option object
3049 *
3050 * By default a callback list will act like an event callback list and can be
3051 * "fired" multiple times.
3052 *
3053 * Possible options:
3054 *
3055 *	once:			will ensure the callback list can only be fired once (like a Deferred)
3056 *
3057 *	memory:			will keep track of previous values and will call any callback added
3058 *					after the list has been fired right away with the latest "memorized"
3059 *					values (like a Deferred)
3060 *
3061 *	unique:			will ensure a callback can only be added once (no duplicate in the list)
3062 *
3063 *	stopOnFalse:	interrupt callings when a callback returns false
3064 *
3065 */
3066jQuery.Callbacks = function( options ) {
3067
3068	// Convert options from String-formatted to Object-formatted if needed
3069	// (we check in cache first)
3070	options = typeof options === "string" ?
3071		( optionsCache[ options ] || createOptions( options ) ) :
3072		jQuery.extend( {}, options );
3073
3074	var // Last fire value (for non-forgettable lists)
3075		memory,
3076		// Flag to know if list was already fired
3077		fired,
3078		// Flag to know if list is currently firing
3079		firing,
3080		// First callback to fire (used internally by add and fireWith)
3081		firingStart,
3082		// End of the loop when firing
3083		firingLength,
3084		// Index of currently firing callback (modified by remove if needed)
3085		firingIndex,
3086		// Actual callback list
3087		list = [],