https://mindentudas.hu/templates/me2/js/mootools-core.js

1/*
2---
3
4name: Core
5
6description: The core of MooTools, contains all the base functions and the Native and Hash implementations. Required by all the other scripts.
7
8license: MIT-style license.
9
10copyright: Copyright (c) 2006-2008 [Valerio Proietti](http://mad4milk.net/).
11
12authors: The MooTools production team (http://mootools.net/developers/)
13
14inspiration:
15  - Class implementation inspired by [Base.js](http://dean.edwards.name/weblog/2006/03/base/) Copyright (c) 2006 Dean Edwards, [GNU Lesser General Public License](http://opensource.org/licenses/lgpl-license.php)
16  - Some functionality inspired by [Prototype.js](http://prototypejs.org) Copyright (c) 2005-2007 Sam Stephenson, [MIT License](http://opensource.org/licenses/mit-license.php)
17
18provides: [MooTools, Native, Hash.base, Array.each, $util]
19
20...
21*/
22
23var MooTools = {
24	'version': '1.2.6',
25	'build': 'a3be7a0ef5205eb655c4ee11e8cbedcb3f2ffa95'
26};
27
28var Native = function(options){
29	options = options || {};
30	var name = options.name;
31	var legacy = options.legacy;
32	var protect = options.protect;
33	var methods = options.implement;
34	var generics = options.generics;
35	var initialize = options.initialize;
36	var afterImplement = options.afterImplement || function(){};
37	var object = initialize || legacy;
38	generics = generics !== false;
39
40	object.constructor = Native;
41	object.$family = {name: 'native'};
42	if (legacy && initialize) object.prototype = legacy.prototype;
43	object.prototype.constructor = object;
44
45	if (name){
46		var family = name.toLowerCase();
47		object.prototype.$family = {name: family};
48		Native.typize(object, family);
49	}
50
51	var add = function(obj, name, method, force){
52		if (!protect || force || !obj.prototype[name]) obj.prototype[name] = method;
53		if (generics) Native.genericize(obj, name, protect);
54		afterImplement.call(obj, name, method);
55		return obj;
56	};
57
58	object.alias = function(a1, a2, a3){
59		if (typeof a1 == 'string'){
60			var pa1 = this.prototype[a1];
61			if ((a1 = pa1)) return add(this, a2, a1, a3);
62		}
63		for (var a in a1) this.alias(a, a1[a], a2);
64		return this;
65	};
66
67	object.implement = function(a1, a2, a3){
68		if (typeof a1 == 'string') return add(this, a1, a2, a3);
69		for (var p in a1) add(this, p, a1[p], a2);
70		return this;
71	};
72
73	if (methods) object.implement(methods);
74
75	return object;
76};
77
78Native.genericize = function(object, property, check){
79	if ((!check || !object[property]) && typeof object.prototype[property] == 'function') object[property] = function(){
80		var args = Array.prototype.slice.call(arguments);
81		return object.prototype[property].apply(args.shift(), args);
82	};
83};
84
85Native.implement = function(objects, properties){
86	for (var i = 0, l = objects.length; i < l; i++) objects[i].implement(properties);
87};
88
89Native.typize = function(object, family){
90	if (!object.type) object.type = function(item){
91		return ($type(item) === family);
92	};
93};
94
95(function(){
96	var natives = {'Array': Array, 'Date': Date, 'Function': Function, 'Number': Number, 'RegExp': RegExp, 'String': String};
97	for (var n in natives) new Native({name: n, initialize: natives[n], protect: true});
98
99	var types = {'boolean': Boolean, 'native': Native, 'object': Object};
100	for (var t in types) Native.typize(types[t], t);
101
102	var generics = {
103		'Array': ["concat", "indexOf", "join", "lastIndexOf", "pop", "push", "reverse", "shift", "slice", "sort", "splice", "toString", "unshift", "valueOf"],
104		'String': ["charAt", "charCodeAt", "concat", "indexOf", "lastIndexOf", "match", "replace", "search", "slice", "split", "substr", "substring", "toLowerCase", "toUpperCase", "valueOf"]
105	};
106	for (var g in generics){
107		for (var i = generics[g].length; i--;) Native.genericize(natives[g], generics[g][i], true);
108	}
109})();
110
111var Hash = new Native({
112
113	name: 'Hash',
114
115	initialize: function(object){
116		if ($type(object) == 'hash') object = $unlink(object.getClean());
117		for (var key in object) this[key] = object[key];
118		return this;
119	}
120
121});
122
123Hash.implement({
124
125	forEach: function(fn, bind){
126		for (var key in this){
127			if (this.hasOwnProperty(key)) fn.call(bind, this[key], key, this);
128		}
129	},
130
131	getClean: function(){
132		var clean = {};
133		for (var key in this){
134			if (this.hasOwnProperty(key)) clean[key] = this[key];
135		}
136		return clean;
137	},
138
139	getLength: function(){
140		var length = 0;
141		for (var key in this){
142			if (this.hasOwnProperty(key)) length++;
143		}
144		return length;
145	}
146
147});
148

149Hash.alias('forEach', 'each');
150
151Array.implement({
152
153	forEach: function(fn, bind){
154		for (var i = 0, l = this.length; i < l; i++) fn.call(bind, this[i], i, this);
155	}
156
157});
158
159Array.alias('forEach', 'each');
160
161function $A(iterable){
162	if (iterable.item){
163		var l = iterable.length, array = new Array(l);
164		while (l--) array[l] = iterable[l];
165		return array;
166	}
167	return Array.prototype.slice.call(iterable);
168};
169
170function $arguments(i){
171	return function(){
172		return arguments[i];
173	};
174};
175
176function $chk(obj){
177	return !!(obj || obj === 0);
178};
179
180function $clear(timer){
181	clearTimeout(timer);
182	clearInterval(timer);
183	return null;
184};
185
186function $defined(obj){
187	return (obj != undefined);
188};
189
190function $each(iterable, fn, bind){
191	var type = $type(iterable);
192	((type == 'arguments' || type == 'collection' || type == 'array') ? Array : Hash).each(iterable, fn, bind);
193};
194
195function $empty(){};
196
197function $extend(original, extended){
198	for (var key in (extended || {})) original[key] = extended[key];
199	return original;
200};
201
202function $H(object){
203	return new Hash(object);
204};
205
206function $lambda(value){
207	return ($type(value) == 'function') ? value : function(){
208		return value;
209	};
210};
211
212function $merge(){
213	var args = Array.slice(arguments);
214	args.unshift({});
215	return $mixin.apply(null, args);
216};
217
218function $mixin(mix){
219	for (var i = 1, l = arguments.length; i < l; i++){
220		var object = arguments[i];
221		if ($type(object) != 'object') continue;
222		for (var key in object){
223			var op = object[key], mp = mix[key];
224			mix[key] = (mp && $type(op) == 'object' && $type(mp) == 'object') ? $mixin(mp, op) : $unlink(op);
225		}
226	}
227	return mix;
228};
229
230function $pick(){
231	for (var i = 0, l = arguments.length; i < l; i++){
232		if (arguments[i] != undefined) return arguments[i];
233	}
234	return null;
235};
236
237function $random(min, max){
238	return Math.floor(Math.random() * (max - min + 1) + min);
239};
240
241function $splat(obj){
242	var type = $type(obj);
243	return (type) ? ((type != 'array' && type != 'arguments') ? [obj] : obj) : [];
244};
245
246var $time = Date.now || function(){
247	return +new Date;
248};
249
250function $try(){
251	for (var i = 0, l = arguments.length; i < l; i++){
252		try {
253			return arguments[i]();
254		} catch(e){}
255	}
256	return null;
257};
258
259function $type(obj){
260	if (obj == undefined) return false;
261	if (obj.$family) return (obj.$family.name == 'number' && !isFinite(obj)) ? false : obj.$family.name;
262	if (obj.nodeName){
263		switch (obj.nodeType){
264			case 1: return 'element';
265			case 3: return (/\S/).test(obj.nodeValue) ? 'textnode' : 'whitespace';
266		}
267	} else if (typeof obj.length == 'number'){
268		if (obj.callee) return 'arguments';
269		else if (obj.item) return 'collection';
270	}
271	return typeof obj;
272};
273
274function $unlink(object){
275	var unlinked;
276	switch ($type(object)){
277		case 'object':
278			unlinked = {};
279			for (var p in object) unlinked[p] = $unlink(object[p]);
280		break;
281		case 'hash':
282			unlinked = new Hash(object);
283		break;
284		case 'array':
285			unlinked = [];
286			for (var i = 0, l = object.length; i < l; i++) unlinked[i] = $unlink(object[i]);
287		break;
288		default: return object;
289	}
290	return unlinked;
291};
292
293
294/*
295---
296
297name: Browser
298
299description: The Browser Core. Contains Browser initialization, Window and Document, and the Browser Hash.
300
301license: MIT-style license.
302
303requires: [Native, $util]
304
305provides: [Browser, Window, Document, $exec]
306
307...
308*/
309
310var Browser = $merge({
311
312	Engine: {name: 'unknown', version: 0},
313
314	Platform: {name: (window.orientation != undefined) ? 'ipod' : (navigator.platform.match(/mac|win|linux/i) || ['other'])[0].toLowerCase()},
315
316	Features: {xpath: !!(document.evaluate), air: !!(window.runtime), query: !!(document.querySelector)},
317
318	Plugins: {},
319
320	Engines: {
321
322		presto: function(){
323			return (!window.opera) ? false : ((arguments.callee.caller) ? 960 : ((document.getElementsByClassName) ? 950 : 925));
324		},
325
326		trident: function(){
327			return (!window.ActiveXObject) ? false : ((window.XMLHttpRequest) ? ((document.querySelectorAll) ? 6 : 5) : 4);
328		},
329
330		webkit: function(){
331			return (navigator.taintEnabled) ? false : ((Browser.Features.xpath) ? ((Browser.Features.query) ? 525 : 420) : 419);
332		},
333
334		gecko: function(){
335			return (!document.getBoxObjectFor && window.mozInnerScreenX == null) ? false : ((document.getElementsByClassName) ? 19 : 18);
336		}
337
338	}
339
340}, Browser || {});
341
342Browser.Platform[Browser.Platform.name] = true;
343
344Browser.detect = function(){
345
346	for (var engine in this.Engines){
347		var version = this.Engines[engine]();
348		if (version){
349			this.Engine = {name: engine, version: version};
350			this.Engine[engine] = this.Engine[engine + version] = true;
351			break;
352		}
353	}
354
355	return {name: engine, version: version};
356
357};
358
359Browser.detect();
360
361Browser.Request = function(){
362	return $try(function(){
363		return new XMLHttpRequest();
364	}, function(){
365		return new ActiveXObject('MSXML2.XMLHTTP');
366	}, function(){
367		return new ActiveXObject('Microsoft.XMLHTTP');
368	});
369};
370

371Browser.Features.xhr = !!(Browser.Request());
372
373Browser.Plugins.Flash = (function(){
374	var version = ($try(function(){
375		return navigator.plugins['Shockwave Flash'].description;
376	}, function(){
377		return new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
378	}) || '0 r0').match(/\d+/g);
379	return {version: parseInt(version[0] || 0 + '.' + version[1], 10) || 0, build: parseInt(version[2], 10) || 0};
380})();
381
382function $exec(text){
383	if (!text) return text;
384	if (window.execScript){
385		window.execScript(text);
386	} else {
387		var script = document.createElement('script');
388		script.setAttribute('type', 'text/javascript');
389		script[(Browser.Engine.webkit && Browser.Engine.version < 420) ? 'innerText' : 'text'] = text;
390		document.head.appendChild(script);
391		document.head.removeChild(script);
392	}
393	return text;
394};
395
396Native.UID = 1;
397
398var $uid = (Browser.Engine.trident) ? function(item){
399	return (item.uid || (item.uid = [Native.UID++]))[0];
400} : function(item){
401	return item.uid || (item.uid = Native.UID++);
402};
403
404var Window = new Native({
405
406	name: 'Window',
407
408	legacy: (Browser.Engine.trident) ? null: window.Window,
409
410	initialize: function(win){
411		$uid(win);
412		if (!win.Element){
413			win.Element = $empty;
414			if (Browser.Engine.webkit) win.document.createElement("iframe"); //fixes safari 2
415			win.Element.prototype = (Browser.Engine.webkit) ? window["[[DOMElement.prototype]]"] : {};
416		}
417		win.document.window = win;
418		return $extend(win, Window.Prototype);
419	},
420
421	afterImplement: function(property, value){
422		window[property] = Window.Prototype[property] = value;
423	}
424
425});
426
427Window.Prototype = {$family: {name: 'window'}};
428
429new Window(window);
430
431var Document = new Native({
432
433	name: 'Document',
434
435	legacy: (Browser.Engine.trident) ? null: window.Document,
436
437	initialize: function(doc){
438		$uid(doc);
439		doc.head = doc.getElementsByTagName('head')[0];
440		doc.html = doc.getElementsByTagName('html')[0];
441		if (Browser.Engine.trident && Browser.Engine.version <= 4) $try(function(){
442			doc.execCommand("BackgroundImageCache", false, true);
443		});
444		if (Browser.Engine.trident) doc.window.attachEvent('onunload', function(){
445			doc.window.detachEvent('onunload', arguments.callee);
446			doc.head = doc.html = doc.window = null;
447		});
448		return $extend(doc, Document.Prototype);
449	},
450
451	afterImplement: function(property, value){
452		document[property] = Document.Prototype[property] = value;
453	}
454
455});
456
457Document.Prototype = {$family: {name: 'document'}};
458
459new Document(document);
460
461
462/*
463---
464
465name: Array
466
467description: Contains Array Prototypes like each, contains, and erase.
468
469license: MIT-style license.
470
471requires: [$util, Array.each]
472
473provides: Array
474
475...
476*/
477
478Array.implement({
479
480	every: function(fn, bind){
481		for (var i = 0, l = this.length; i < l; i++){
482			if (!fn.call(bind, this[i], i, this)) return false;
483		}
484		return true;
485	},
486
487	filter: function(fn, bind){
488		var results = [];
489		for (var i = 0, l = this.length; i < l; i++){
490			if (fn.call(bind, this[i], i, this)) results.push(this[i]);
491		}
492		return results;
493	},
494
495	clean: function(){
496		return this.filter($defined);
497	},
498
499	indexOf: function(item, from){
500		var len = this.length;
501		for (var i = (from < 0) ? Math.max(0, len + from) : from || 0; i < len; i++){
502			if (this[i] === item) return i;
503		}
504		return -1;
505	},
506
507	map: function(fn, bind){
508		var results = [];
509		for (var i = 0, l = this.length; i < l; i++) results[i] = fn.call(bind, this[i], i, this);
510		return results;
511	},
512
513	some: function(fn, bind){
514		for (var i = 0, l = this.length; i < l; i++){
515			if (fn.call(bind, this[i], i, this)) return true;
516		}
517		return false;
518	},
519
520	associate: function(keys){
521		var obj = {}, length = Math.min(this.length, keys.length);
522		for (var i = 0; i < length; i++) obj[keys[i]] = this[i];
523		return obj;
524	},
525
526	link: function(object){
527		var result = {};
528		for (var i = 0, l = this.length; i < l; i++){
529			for (var key in object){
530				if (object[key](this[i])){
531					result[key] = this[i];
532					delete object[key];
533					break;
534				}
535			}
536		}
537		return result;
538	},
539
540	contains: function(item, from){
541		return this.indexOf(item, from) != -1;
542	},
543
544	extend: function(array){
545		for (var i = 0, j = array.length; i < j; i++) this.push(array[i]);
546		return this;
547	},
548	
549	getLast: function(){
550		return (this.length) ? this[this.length - 1] : null;
551	},
552
553	getRandom: function(){
554		return (this.length) ? this[$random(0, this.length - 1)] : null;
555	},
556
557	include: function(item){
558		if (!this.contains(item)) this.push(item);
559		return this;
560	},
561
562	combine: function(array){
563		for (var i = 0, l = array.length; i < l; i++) this.include(array[i]);
564		return this;
565	},
566
567	erase: function(item){
568		for (var i = this.length; i--; i){
569			if (this[i] === item) this.splice(i, 1);
570		}
571		return this;
572	},
573
574	empty: function(){
575		this.length = 0;
576		return this;
577	},
578
579	flatten: function(){
580		var array = [];
581		for (var i = 0, l = this.length; i < l; i++){
582			var type = $type(this[i]);
583			if (!type) continue;
584			array = array.concat((type == 'array' || type == 'collection' || type == 'arguments') ? Array.flatten(this[i]) : this[i]);
585		}
586		return array;
587	},
588
589	hexToRgb: function(array){
590		if (this.length != 3) return null;
591		var rgb = this.map(function(value){
592			if (value.length == 1) value += value;
593			return value.toInt(16);
594		});
595		return (array) ? rgb : 'rgb(' + rgb + ')';
596	},
597
598	rgbToHex: function(array){
599		if (this.length < 3) return null;
600		if (this.length == 4 && this[3] == 0 && !array) return 'transparent';
601		var hex = [];
602		for (var i = 0; i < 3; i++){
603			var bit = (this[i] - 0).toString(16);
604			hex.push((bit.length == 1) ? '0' + bit : bit);
605		}
606		return (array) ? hex : '#' + hex.join('');
607	}
608
609});
610
611
612/*
613---
614
615name: Function
616
617description: Contains Function Prototypes like create, bind, pass, and delay.
618
619license: MIT-style license.
620
621requires: [Native, $util]
622
623provides: Function
624
625...
626*/
627
628try {
629	delete Function.prototype.bind;
630} catch(e){}
631
632Function.implement({
633
634	extend: function(properties){
635		for (var property in properties) this[property] = properties[property];
636		return this;
637	},
638
639	create: function(options){
640		var self = this;
641		options = options || {};
642		return function(event){
643			var args = options.arguments;
644			args = (args != undefined) ? $splat(args) : Array.slice(arguments, (options.event) ? 1 : 0);
645			if (options.event) args = [event || window.event].extend(args);
646			var returns = function(){

647				return self.apply(options.bind || null, args);
648			};
649			if (options.delay) return setTimeout(returns, options.delay);
650			if (options.periodical) return setInterval(returns, options.periodical);
651			if (options.attempt) return $try(returns);
652			return returns();
653		};
654	},
655
656	run: function(args, bind){
657		return this.apply(bind, $splat(args));
658	},
659
660	pass: function(args, bind){
661		return this.create({bind: bind, arguments: args});
662	},
663
664	bind: function(bind, args){
665		return this.create({bind: bind, arguments: args});
666	},
667
668	bindWithEvent: function(bind, args){
669		return this.create({bind: bind, arguments: args, event: true});
670	},
671
672	attempt: function(args, bind){
673		return this.create({bind: bind, arguments: args, attempt: true})();
674	},
675
676	delay: function(delay, bind, args){
677		return this.create({bind: bind, arguments: args, delay: delay})();
678	},
679
680	periodical: function(periodical, bind, args){
681		return this.create({bind: bind, arguments: args, periodical: periodical})();
682	}
683
684});
685
686
687/*
688---
689
690name: Number
691
692description: Contains Number Prototypes like limit, round, times, and ceil.
693
694license: MIT-style license.
695
696requires: [Native, $util]
697
698provides: Number
699
700...
701*/
702
703Number.implement({
704
705	limit: function(min, max){
706		return Math.min(max, Math.max(min, this));
707	},
708
709	round: function(precision){
710		precision = Math.pow(10, precision || 0);
711		return Math.round(this * precision) / precision;
712	},
713
714	times: function(fn, bind){
715		for (var i = 0; i < this; i++) fn.call(bind, i, this);
716	},
717
718	toFloat: function(){
719		return parseFloat(this);
720	},
721
722	toInt: function(base){
723		return parseInt(this, base || 10);
724	}
725
726});
727
728Number.alias('times', 'each');
729
730(function(math){
731	var methods = {};
732	math.each(function(name){
733		if (!Number[name]) methods[name] = function(){
734			return Math[name].apply(null, [this].concat($A(arguments)));
735		};
736	});
737	Number.implement(methods);
738})(['abs', 'acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'exp', 'floor', 'log', 'max', 'min', 'pow', 'sin', 'sqrt', 'tan']);
739
740
741/*
742---
743
744name: String
745
746description: Contains String Prototypes like camelCase, capitalize, test, and toInt.
747
748license: MIT-style license.
749
750requires: Native
751
752provides: String
753
754...
755*/
756
757try {
758	delete String.prototype.contains;
759} catch(e){}
760
761String.implement({
762
763	test: function(regex, params){
764		return ((typeof regex == 'string') ? new RegExp(regex, params) : regex).test(this);
765	},
766
767	contains: function(string, separator){
768		return (separator) ? (separator + this + separator).indexOf(separator + string + separator) > -1 : this.indexOf(string) > -1;
769	},
770
771	trim: function(){
772		return this.replace(/^\s+|\s+$/g, '');
773	},
774
775	clean: function(){
776		return this.replace(/\s+/g, ' ').trim();
777	},
778
779	camelCase: function(){
780		return this.replace(/-\D/g, function(match){
781			return match.charAt(1).toUpperCase();
782		});
783	},
784
785	hyphenate: function(){
786		return this.replace(/[A-Z]/g, function(match){
787			return ('-' + match.charAt(0).toLowerCase());
788		});
789	},
790
791	capitalize: function(){
792		return this.replace(/\b[a-z]/g, function(match){
793			return match.toUpperCase();
794		});
795	},
796
797	escapeRegExp: function(){
798		return this.replace(/([-.*+?^${}()|[\]\/\\])/g, '\\$1');
799	},
800
801	toInt: function(base){
802		return parseInt(this, base || 10);
803	},
804
805	toFloat: function(){
806		return parseFloat(this);
807	},
808
809	hexToRgb: function(array){
810		var hex = this.match(/^#?(\w{1,2})(\w{1,2})(\w{1,2})$/);
811		return (hex) ? hex.slice(1).hexToRgb(array) : null;
812	},
813
814	rgbToHex: function(array){
815		var rgb = this.match(/\d{1,3}/g);
816		return (rgb) ? rgb.rgbToHex(array) : null;
817	},
818
819	stripScripts: function(option){
820		var scripts = '';
821		var text = this.replace(/<script[^>]*>([\s\S]*?)<\/script>/gi, function(){
822			scripts += arguments[1] + '\n';
823			return '';
824		});
825		if (option === true) $exec(scripts);
826		else if ($type(option) == 'function') option(scripts, text);
827		return text;
828	},
829
830	substitute: function(object, regexp){
831		return this.replace(regexp || (/\\?\{([^{}]+)\}/g), function(match, name){
832			if (match.charAt(0) == '\\') return match.slice(1);
833			return (object[name] != undefined) ? object[name] : '';
834		});
835	}
836
837});
838
839
840/*
841---
842
843name: Hash
844
845description: Contains Hash Prototypes. Provides a means for overcoming the JavaScript practical impossibility of extending native Objects.
846
847license: MIT-style license.
848
849requires: Hash.base
850
851provides: Hash
852
853...
854*/
855
856Hash.implement({
857
858	has: Object.prototype.hasOwnProperty,
859
860	keyOf: function(value){
861		for (var key in this){
862			if (this.hasOwnProperty(key) && this[key] === value) return key;
863		}
864		return null;
865	},
866
867	hasValue: function(value){
868		return (Hash.keyOf(this, value) !== null);
869	},
870
871	extend: function(properties){
872		Hash.each(properties || {}, function(value, key){
873			Hash.set(this, key, value);
874		}, this);
875		return this;
876	},
877
878	combine: function(properties){
879		Hash.each(properties || {}, function(value, key){
880			Hash.include(this, key, value);
881		}, this);
882		return this;
883	},
884
885	erase: function(key){
886		if (this.hasOwnProperty(key)) delete this[key];
887		return this;
888	},
889
890	get: function(key){
891		return (this.hasOwnProperty(key)) ? this[key] : null;
892	},
893
894	set: function(key, value){
895		if (!this[key] || this.hasOwnProperty(key)) this[key] = value;
896		return this;
897	},
898
899	empty: function(){
900		Hash.each(this, function(value, key){
901			delete this[key];
902		}, this);
903		return this;
904	},
905
906	include: function(key, value){
907		if (this[key] == undefined) this[key] = value;
908		return this;
909	},
910
911	map: function(fn, bind){
912		var results = new Hash;
913		Hash.each(this, function(value, key){
914			results.set(key, fn.call(bind, value, key, this));
915		}, this);
916		return results;
917	},
918
919	filter: function(fn, bind){
920		var results = new Hash;
921		Hash.each(this, function(value, key){
922			if (fn.call(bind, value, key, this)) results.set(key, value);
923		}, this);
924		return results;
925	},
926
927	every: function(fn, bind){
928		for (var key in this){
929			if (this.hasOwnProperty(key) && !fn.call(bind, this[key], key)) return false;

930		}
931		return true;
932	},
933
934	some: function(fn, bind){
935		for (var key in this){
936			if (this.hasOwnProperty(key) && fn.call(bind, this[key], key)) return true;
937		}
938		return false;
939	},
940
941	getKeys: function(){
942		var keys = [];
943		Hash.each(this, function(value, key){
944			keys.push(key);
945		});
946		return keys;
947	},
948
949	getValues: function(){
950		var values = [];
951		Hash.each(this, function(value){
952			values.push(value);
953		});
954		return values;
955	},
956
957	toQueryString: function(base){
958		var queryString = [];
959		Hash.each(this, function(value, key){
960			if (base) key = base + '[' + key + ']';
961			var result;
962			switch ($type(value)){
963				case 'object': result = Hash.toQueryString(value, key); break;
964				case 'array':
965					var qs = {};
966					value.each(function(val, i){
967						qs[i] = val;
968					});
969					result = Hash.toQueryString(qs, key);
970				break;
971				default: result = key + '=' + encodeURIComponent(value);
972			}
973			if (value != undefined) queryString.push(result);
974		});
975
976		return queryString.join('&');
977	}
978
979});
980
981Hash.alias({keyOf: 'indexOf', hasValue: 'contains'});
982
983
984/*
985---
986
987name: Event
988
989description: Contains the Event Class, to make the event object cross-browser.
990
991license: MIT-style license.
992
993requires: [Window, Document, Hash, Array, Function, String]
994
995provides: Event
996
997...
998*/
999
1000var Event = new Native({
1001
1002	name: 'Event',
1003
1004	initialize: function(event, win){
1005		win = win || window;
1006		var doc = win.document;
1007		event = event || win.event;
1008		if (event.$extended) return event;
1009		this.$extended = true;
1010		var type = event.type;
1011		var target = event.target || event.srcElement;
1012		while (target && target.nodeType == 3) target = target.parentNode;
1013
1014		if (type.test(/key/)){
1015			var code = event.which || event.keyCode;
1016			var key = Event.Keys.keyOf(code);
1017			if (type == 'keydown'){
1018				var fKey = code - 111;
1019				if (fKey > 0 && fKey < 13) key = 'f' + fKey;
1020			}
1021			key = key || String.fromCharCode(code).toLowerCase();
1022		} else if (type.match(/(click|mouse|menu)/i)){
1023			doc = (!doc.compatMode || doc.compatMode == 'CSS1Compat') ? doc.html : doc.body;
1024			var page = {
1025				x: event.pageX || event.clientX + doc.scrollLeft,
1026				y: event.pageY || event.clientY + doc.scrollTop
1027			};
1028			var client = {
1029				x: (event.pageX) ? event.pageX - win.pageXOffset : event.clientX,
1030				y: (event.pageY) ? event.pageY - win.pageYOffset : event.clientY
1031			};
1032			if (type.match(/DOMMouseScroll|mousewheel/)){
1033				var wheel = (event.wheelDelta) ? event.wheelDelta / 120 : -(event.detail || 0) / 3;
1034			}
1035			var rightClick = (event.which == 3) || (event.button == 2);
1036			var related = null;
1037			if (type.match(/over|out/)){
1038				switch (type){
1039					case 'mouseover': related = event.relatedTarget || event.fromElement; break;
1040					case 'mouseout': related = event.relatedTarget || event.toElement;
1041				}
1042				if (!(function(){
1043					while (related && related.nodeType == 3) related = related.parentNode;
1044					return true;
1045				}).create({attempt: Browser.Engine.gecko})()) related = false;
1046			}
1047		}
1048
1049		return $extend(this, {
1050			event: event,
1051			type: type,
1052
1053			page: page,
1054			client: client,
1055			rightClick: rightClick,
1056
1057			wheel: wheel,
1058
1059			relatedTarget: related,
1060			target: target,
1061
1062			code: code,
1063			key: key,
1064
1065			shift: event.shiftKey,
1066			control: event.ctrlKey,
1067			alt: event.altKey,
1068			meta: event.metaKey
1069		});
1070	}
1071
1072});
1073
1074Event.Keys = new Hash({
1075	'enter': 13,
1076	'up': 38,
1077	'down': 40,
1078	'left': 37,
1079	'right': 39,
1080	'esc': 27,
1081	'space': 32,
1082	'backspace': 8,
1083	'tab': 9,
1084	'delete': 46
1085});
1086
1087Event.implement({
1088
1089	stop: function(){
1090		return this.stopPropagation().preventDefault();
1091	},
1092
1093	stopPropagation: function(){
1094		if (this.event.stopPropagation) this.event.stopPropagation();
1095		else this.event.cancelBubble = true;
1096		return this;
1097	},
1098
1099	preventDefault: function(){
1100		if (this.event.preventDefault) this.event.preventDefault();
1101		else this.event.returnValue = false;
1102		return this;
1103	}
1104
1105});
1106
1107
1108/*
1109---
1110
1111name: Class
1112
1113description: Contains the Class Function for easily creating, extending, and implementing reusable Classes.
1114
1115license: MIT-style license.
1116
1117requires: [$util, Native, Array, String, Function, Number, Hash]
1118
1119provides: Class
1120
1121...
1122*/
1123
1124function Class(params){
1125	
1126	if (params instanceof Function) params = {initialize: params};
1127	
1128	var newClass = function(){
1129		Object.reset(this);
1130		if (newClass._prototyping) return this;
1131		this._current = $empty;
1132		var value = (this.initialize) ? this.initialize.apply(this, arguments) : this;
1133		delete this._current; delete this.caller;
1134		return value;
1135	}.extend(this);
1136	
1137	newClass.implement(params);
1138	
1139	newClass.constructor = Class;
1140	newClass.prototype.constructor = newClass;
1141
1142	return newClass;
1143
1144};
1145
1146Function.prototype.protect = function(){
1147	this._protected = true;
1148	return this;
1149};
1150
1151Object.reset = function(object, key){
1152		

1153	if (key == null){
1154		for (var p in object) Object.reset(object, p);
1155		return object;
1156	}
1157	
1158	delete object[key];
1159	
1160	switch ($type(object[key])){
1161		case 'object':
1162			var F = function(){};
1163			F.prototype = object[key];
1164			var i = new F;
1165			object[key] = Object.reset(i);
1166		break;
1167		case 'array': object[key] = $unlink(object[key]); break;
1168	}
1169	
1170	return object;
1171	
1172};
1173
1174new Native({name: 'Class', initialize: Class}).extend({
1175
1176	instantiate: function(F){
1177		F._prototyping = true;
1178		var proto = new F;
1179		delete F._prototyping;
1180		return proto;
1181	},
1182	
1183	wrap: function(self, key, method){
1184		if (method._origin) method = method._origin;
1185		
1186		return function(){
1187			if (method._protected && this._current == null) throw new Error('The method "' + key + '" cannot be called.');
1188			var caller = this.caller, current = this._current;
1189			this.caller = current; this._current = arguments.callee;
1190			var result = method.apply(this, arguments);
1191			this._current = current; this.caller = caller;
1192			return result;
1193		}.extend({_owner: self, _origin: method, _name: key});
1194
1195	}
1196	
1197});
1198
1199Class.implement({
1200	
1201	implement: function(key, value){
1202		
1203		if ($type(key) == 'object'){
1204			for (var p in key) this.implement(p, key[p]);
1205			return this;
1206		}
1207		
1208		var mutator = Class.Mutators[key];
1209		
1210		if (mutator){
1211			value = mutator.call(this, value);
1212			if (value == null) return this;
1213		}
1214		
1215		var proto = this.prototype;
1216
1217		switch ($type(value)){
1218			
1219			case 'function':
1220				if (value._hidden) return this;
1221				proto[key] = Class.wrap(this, key, value);
1222			break;
1223			
1224			case 'object':
1225				var previous = proto[key];
1226				if ($type(previous) == 'object') $mixin(previous, value);
1227				else proto[key] = $unlink(value);
1228			break;
1229			
1230			case 'array':
1231				proto[key] = $unlink(value);
1232			break;
1233			
1234			default: proto[key] = value;
1235
1236		}
1237		
1238		return this;
1239
1240	}
1241	
1242});
1243
1244Class.Mutators = {
1245	
1246	Extends: function(parent){
1247
1248		this.parent = parent;
1249		this.prototype = Class.instantiate(parent);
1250
1251		this.implement('parent', function(){
1252			var name = this.caller._name, previous = this.caller._owner.parent.prototype[name];
1253			if (!previous) throw new Error('The method "' + name + '" has no parent.');
1254			return previous.apply(this, arguments);
1255		}.protect());
1256
1257	},
1258
1259	Implements: function(items){
1260		$splat(items).each(function(item){
1261			if (item instanceof Function) item = Class.instantiate(item);
1262			this.implement(item);
1263		}, this);
1264
1265	}
1266	
1267};
1268
1269
1270/*
1271---
1272
1273name: Class.Extras
1274
1275description: Contains Utility Classes that can be implemented into your own Classes to ease the execution of many common tasks.
1276
1277license: MIT-style license.
1278
1279requires: Class
1280
1281provides: [Chain, Events, Options, Class.Extras]
1282
1283...
1284*/
1285
1286var Chain = new Class({
1287
1288	$chain: [],
1289
1290	chain: function(){
1291		this.$chain.extend(Array.flatten(arguments));
1292		return this;
1293	},
1294
1295	callChain: function(){
1296		return (this.$chain.length) ? this.$chain.shift().apply(this, arguments) : false;
1297	},
1298
1299	clearChain: function(){
1300		this.$chain.empty();
1301		return this;
1302	}
1303
1304});
1305
1306var Events = new Class({
1307
1308	$events: {},
1309
1310	addEvent: function(type, fn, internal){
1311		type = Events.removeOn(type);
1312		if (fn != $empty){
1313			this.$events[type] = this.$events[type] || [];
1314			this.$events[type].include(fn);
1315			if (internal) fn.internal = true;
1316		}
1317		return this;
1318	},
1319
1320	addEvents: function(events){
1321		for (var type in events) this.addEvent(type, events[type]);
1322		return this;
1323	},
1324
1325	fireEvent: function(type, args, delay){
1326		type = Events.removeOn(type);
1327		if (!this.$events || !this.$events[type]) return this;
1328		this.$events[type].each(function(fn){
1329			fn.create({'bind': this, 'delay': delay, 'arguments': args})();
1330		}, this);
1331		return this;
1332	},
1333
1334	removeEvent: function(type, fn){
1335		type = Events.removeOn(type);
1336		if (!this.$events[type]) return this;
1337		if (!fn.internal) this.$events[type].erase(fn);
1338		return this;
1339	},
1340
1341	removeEvents: function(events){
1342		var type;
1343		if ($type(events) == 'object'){
1344			for (type in events) this.removeEvent(type, events[type]);
1345			return this;
1346		}
1347		if (events) events = Events.removeOn(events);
1348		for (type in this.$events){
1349			if (events && events != type) continue;
1350			var fns = this.$events[type];
1351			for (var i = fns.length; i--; i) this.removeEvent(type, fns[i]);
1352		}
1353		return this;
1354	}
1355
1356});
1357
1358Events.removeOn = function(string){
1359	return string.replace(/^on([A-Z])/, function(full, first){
1360		return first.toLowerCase();
1361	});
1362};
1363
1364var Options = new Class({
1365
1366	setOptions: function(){
1367		this.options = $merge.run([this.options].extend(arguments));
1368		if (!this.addEvent) return this;
1369		for (var option in this.options){
1370			if ($type(this.options[option]) != 'function' || !(/^on[A-Z]/).test(option)) continue;
1371			this.addEvent(option, this.options[option]);
1372			delete this.options[option];
1373		}
1374		return this;
1375	}
1376
1377});
1378
1379
1380/*
1381---
1382
1383name: Element
1384
1385description: One of the most important items in MooTools. Contains the dollar function, the dollars function, and an handful of cross-browser, time-saver methods to let you easily work with HTML Elements.
1386
1387license: MIT-style license.
1388
1389requires: [Window, Document, Array, String, Function, Number, Hash]
1390
1391provides: [Element, Elements, $, $$, Iframe]
1392
1393...
1394*/
1395

1396var Element = new Native({
1397
1398	name: 'Element',
1399
1400	legacy: window.Element,
1401
1402	initialize: function(tag, props){
1403		var konstructor = Element.Constructors.get(tag);
1404		if (konstructor) return konstructor(props);
1405		if (typeof tag == 'string') return document.newElement(tag, props);
1406		return document.id(tag).set(props);
1407	},
1408
1409	afterImplement: function(key, value){
1410		Element.Prototype[key] = value;
1411		if (Array[key]) return;
1412		Elements.implement(key, function(){
1413			var items = [], elements = true;
1414			for (var i = 0, j = this.length; i < j; i++){
1415				var returns = this[i][key].apply(this[i], arguments);
1416				items.push(returns);
1417				if (elements) elements = ($type(returns) == 'element');
1418			}
1419			return (elements) ? new Elements(items) : items;
1420		});
1421	}
1422
1423});
1424
1425Element.Prototype = {$family: {name: 'element'}};
1426
1427Element.Constructors = new Hash;
1428
1429var IFrame = new Native({
1430
1431	name: 'IFrame',
1432
1433	generics: false,
1434
1435	initialize: function(){
1436		var params = Array.link(arguments, {properties: Object.type, iframe: $defined});
1437		var props = params.properties || {};
1438		var iframe = document.id(params.iframe);
1439		var onload = props.onload || $empty;
1440		delete props.onload;
1441		props.id = props.name = $pick(props.id, props.name, iframe ? (iframe.id || iframe.name) : 'IFrame_' + $time());
1442		iframe = new Element(iframe || 'iframe', props);
1443		var onFrameLoad = function(){
1444			var host = $try(function(){
1445				return iframe.contentWindow.location.host;
1446			});
1447			if (!host || host == window.location.host){
1448				var win = new Window(iframe.contentWindow);
1449				new Document(iframe.contentWindow.document);
1450				$extend(win.Element.prototype, Element.Prototype);
1451			}
1452			onload.call(iframe.contentWindow, iframe.contentWindow.document);
1453		};
1454		var contentWindow = $try(function(){
1455			return iframe.contentWindow;
1456		});
1457		((contentWindow && contentWindow.document.body) || window.frames[props.id]) ? onFrameLoad() : iframe.addListener('load', onFrameLoad);
1458		return iframe;
1459	}
1460
1461});
1462
1463var Elements = new Native({
1464
1465	initialize: function(elements, options){
1466		options = $extend({ddup: true, cash: true}, options);
1467		elements = elements || [];
1468		if (options.ddup || options.cash){
1469			var uniques = {}, returned = [];
1470			for (var i = 0, l = elements.length; i < l; i++){
1471				var el = document.id(elements[i], !options.cash);
1472				if (options.ddup){
1473					if (uniques[el.uid]) continue;
1474					uniques[el.uid] = true;
1475				}
1476				if (el) returned.push(el);
1477			}
1478			elements = returned;
1479		}
1480		return (options.cash) ? $extend(elements, this) : elements;
1481	}
1482
1483});
1484
1485Elements.implement({
1486
1487	filter: function(filter, bind){
1488		if (!filter) return this;
1489		return new Elements(Array.filter(this, (typeof filter == 'string') ? function(item){
1490			return item.match(filter);
1491		} : filter, bind));
1492	}
1493
1494});
1495
1496(function(){
1497
1498/*<ltIE8>*/
1499var createElementAcceptsHTML;
1500try {
1501	var x = document.createElement('<input name=x>');
1502	createElementAcceptsHTML = (x.name == 'x');
1503} catch(e){}
1504
1505var escapeQuotes = function(html){
1506	return ('' + html).replace(/&/g,'&amp;').replace(/"/g,'&quot;');
1507};
1508/*</ltIE8>*/
1509
1510Document.implement({
1511
1512	newElement: function(tag, props){
1513		if (props && props.checked != null) props.defaultChecked = props.checked;
1514		/*<ltIE8>*/// Fix for readonly name and type properties in IE < 8
1515		if (createElementAcceptsHTML && props){
1516			tag = '<' + tag;
1517			if (props.name) tag += ' name="' + escapeQuotes(props.name) + '"';
1518			if (props.type) tag += ' type="' + escapeQuotes(props.type) + '"';
1519			tag += '>';
1520			delete props.name;
1521			delete props.type;
1522		}
1523		/*</ltIE8>*/
1524		return this.id(this.createElement(tag)).set(props);
1525	},
1526
1527	newTextNode: function(text){
1528		return this.createTextNode(text);
1529	},
1530
1531	getDocument: function(){
1532		return this;
1533	},
1534
1535	getWindow: function(){
1536		return this.window;
1537	},
1538
1539	id: (function(){
1540
1541		var types = {
1542
1543			string: function(id, nocash, doc){
1544				id = doc.getElementById(id);
1545				return (id) ? types.element(id, nocash) : null;
1546			},
1547
1548			element: function(el, nocash){
1549				$uid(el);
1550				if (!nocash && !el.$family && !(/^object|embed$/i).test(el.tagName)){
1551					var proto = Element.Prototype;
1552					for (var p in proto) el[p] = proto[p];
1553				};
1554				return el;
1555			},
1556
1557			object: function(obj, nocash, doc){

1558				if (obj.toElement) return types.element(obj.toElement(doc), nocash);
1559				return null;
1560			}
1561
1562		};
1563
1564		types.textnode = types.whitespace = types.window = types.document = $arguments(0);
1565
1566		return function(el, nocash, doc){
1567			if (el && el.$family && el.uid) return el;
1568			var type = $type(el);
1569			return (types[type]) ? types[type](el, nocash, doc || document) : null;
1570		};
1571
1572	})()
1573
1574});
1575
1576})();
1577
1578if (window.$ == null) Window.implement({
1579	$: function(el, nc){
1580		return document.id(el, nc, this.document);
1581	}
1582});
1583
1584Window.implement({
1585
1586	$$: function(selector){
1587		if (arguments.length == 1 && typeof selector == 'string') return this.document.getElements(selector);
1588		var elements = [];
1589		var args = Array.flatten(arguments);
1590		for (var i = 0, l = args.length; i < l; i++){
1591			var item = args[i];
1592			switch ($type(item)){
1593				case 'element': elements.push(item); break;
1594				case 'string': elements.extend(this.document.getElements(item, true));
1595			}
1596		}
1597		return new Elements(elements);
1598	},
1599
1600	getDocument: function(){
1601		return this.document;
1602	},
1603
1604	getWindow: function(){
1605		return this;
1606	}
1607
1608});
1609
1610Native.implement([Element, Document], {
1611
1612	getElement: function(selector, nocash){
1613		return document.id(this.getElements(selector, true)[0] || null, nocash);
1614	},
1615
1616	getElements: function(tags, nocash){
1617		tags = tags.split(',');
1618		var elements = [];
1619		var ddup = (tags.length > 1);
1620		tags.each(function(tag){
1621			var partial = this.getElementsByTagName(tag.trim());
1622			(ddup) ? elements.extend(partial) : elements = partial;
1623		}, this);
1624		return new Elements(elements, {ddup: ddup, cash: !nocash});
1625	}
1626
1627});
1628
1629(function(){
1630
1631var collected = {}, storage = {};
1632var props = {input: 'checked', option: 'selected', textarea: (Browser.Engine.webkit && Browser.Engine.version < 420) ? 'innerHTML' : 'value'};
1633
1634var get = function(uid){
1635	return (storage[uid] || (storage[uid] = {}));
1636};
1637
1638var clean = function(item, retain){
1639	if (!item) return;
1640	var uid = item.uid;
1641	if (retain !== true) retain = false;
1642	if (Browser.Engine.trident){
1643		if (item.clearAttributes){
1644			var clone = retain && item.cloneNode(false);
1645			item.clearAttributes();
1646			if (clone) item.mergeAttributes(clone);
1647		} else if (item.removeEvents){
1648			item.removeEvents();
1649		}
1650		if ((/object/i).test(item.tagName)){
1651			for (var p in item){
1652				if (typeof item[p] == 'function') item[p] = $empty;
1653			}
1654			Element.dispose(item);
1655		}
1656	}
1657	if (!uid) return;
1658	collected[uid] = storage[uid] = null;
1659};
1660
1661var purge = function(){
1662	Hash.each(collected, clean);
1663	if (Browser.Engine.trident) $A(document.getElementsByTagName('object')).each(clean);
1664	if (window.CollectGarbage) CollectGarbage();
1665	collected = storage = null;
1666};
1667
1668var walk = function(element, walk, start, match, all, nocash){
1669	var el = element[start || walk];
1670	var elements = [];
1671	while (el){
1672		if (el.nodeType == 1 && (!match || Element.match(el, match))){
1673			if (!all) return document.id(el, nocash);
1674			elements.push(el);
1675		}
1676		el = el[walk];
1677	}
1678	return (all) ? new Elements(elements, {ddup: false, cash: !nocash}) : null;
1679};
1680
1681var attributes = {
1682	'html': 'innerHTML',
1683	'class': 'className',
1684	'for': 'htmlFor',
1685	'defaultValue': 'defaultValue',
1686	'text': (Browser.Engine.trident || (Browser.Engine.webkit && Browser.Engine.version < 420)) ? 'innerText' : 'textContent'
1687};
1688var bools = ['compact', 'nowrap', 'ismap', 'declare', 'noshade', 'checked', 'disabled', 'readonly', 'multiple', 'selected', 'noresize', 'defer'];
1689var camels = ['value', 'type', 'defaultValue', 'accessKey', 'cellPadding', 'cellSpacing', 'colSpan', 'frameBorder', 'maxLength', 'readOnly', 'rowSpan', 'tabIndex', 'useMap'];
1690
1691bools = bools.associate(bools);
1692
1693Hash.extend(attributes, bools);
1694Hash.extend(attributes, camels.associate(camels.map(String.toLowerCase)));
1695
1696var inserters = {
1697
1698	before: function(context, element){
1699		if (element.parentNode) element.parentNode.insertBefore(context, element);
1700	},
1701
1702	after: function(context, element){
1703		if (!element.parentNode) return;
1704		var next = element.nextSibling;
1705		(next) ? element.parentNode.insertBefore(context, next) : element.parentNode.appendChild(context);
1706	},
1707
1708	bottom: function(context, element){
1709		element.appendChild(context);
1710	},
1711
1712	top: function(context, element){
1713		var first = element.firstChild;
1714		(first) ? element.insertBefore(context, first) : element.appendChild(context);
1715	}
1716
1717};
1718
1719inserters.inside = inserters.bottom;
1720
1721Hash.each(inserters, function(inserter, where){
1722
1723	where = where.capitalize();
1724
1725	Element.implement('inject' + where, function(el){
1726		inserter(this, document.id(el, true));
1727		return this;
1728	});
1729
1730	Element.implement('grab' + where, function(el){

1731		inserter(document.id(el, true), this);
1732		return this;
1733	});
1734
1735});
1736
1737Element.implement({
1738
1739	set: function(prop, value){
1740		switch ($type(prop)){
1741			case 'object':
1742				for (var p in prop) this.set(p, prop[p]);
1743				break;
1744			case 'string':
1745				var property = Element.Properties.get(prop);
1746				(property && property.set) ? property.set.apply(this, Array.slice(arguments, 1)) : this.setProperty(prop, value);
1747		}
1748		return this;
1749	},
1750
1751	get: function(prop){
1752		var property = Element.Properties.get(prop);
1753		return (property && property.get) ? property.get.apply(this, Array.slice(arguments, 1)) : this.getProperty(prop);
1754	},
1755
1756	erase: function(prop){
1757		var property = Element.Properties.get(prop);
1758		(property && property.erase) ? property.erase.apply(this) : this.removeProperty(prop);
1759		return this;
1760	},
1761
1762	setProperty: function(attribute, value){
1763		var key = attributes[attribute];
1764		if (value == undefined) return this.removeProperty(attribute);
1765		if (key && bools[attribute]) value = !!value;
1766		(key) ? this[key] = value : this.setAttribute(attribute, '' + value);
1767		return this;
1768	},
1769
1770	setProperties: function(attributes){
1771		for (var attribute in attributes) this.setProperty(attribute, attributes[attribute]);
1772		return this;
1773	},
1774
1775	getProperty: function(attribute){
1776		var key = attributes[attribute];
1777		var value = (key) ? this[key] : this.getAttribute(attribute, 2);
1778		return (bools[attribute]) ? !!value : (key) ? value : value || null;
1779	},
1780
1781	getProperties: function(){
1782		var args = $A(arguments);
1783		return args.map(this.getProperty, this).associate(args);
1784	},
1785
1786	removeProperty: function(attribute){
1787		var key = attributes[attribute];
1788		(key) ? this[key] = (key && bools[attribute]) ? false : '' : this.removeAttribute(attribute);
1789		return this;
1790	},
1791
1792	removeProperties: function(){
1793		Array.each(arguments, this.removeProperty, this);
1794		return this;
1795	},
1796
1797	hasClass: function(className){
1798		return this.className.contains(className, ' ');
1799	},
1800
1801	addClass: function(className){
1802		if (!this.hasClass(className)) this.className = (this.className + ' ' + className).clean();
1803		return this;
1804	},
1805
1806	removeClass: function(className){
1807		this.className = this.className.replace(new RegExp('(^|\\s)' + className + '(?:\\s|$)'), '$1');
1808		return this;
1809	},
1810
1811	toggleClass: function(className){
1812		return this.hasClass(className) ? this.removeClass(className) : this.addClass(className);
1813	},
1814
1815	adopt: function(){
1816		Array.flatten(arguments).each(function(element){
1817			element = document.id(element, true);
1818			if (element) this.appendChild(element);
1819		}, this);
1820		return this;
1821	},
1822
1823	appendText: function(text, where){
1824		return this.grab(this.getDocument().newTextNode(text), where);
1825	},
1826
1827	grab: function(el, where){
1828		inserters[where || 'bottom'](document.id(el, true), this);
1829		return this;
1830	},
1831
1832	inject: function(el, where){
1833		inserters[where || 'bottom'](this, document.id(el, true));
1834		return this;
1835	},
1836
1837	replaces: function(el){
1838		el = document.id(el, true);
1839		el.parentNode.replaceChild(this, el);
1840		return this;
1841	},
1842
1843	wraps: function(el, where){
1844		el = document.id(el, true);
1845		return this.replaces(el).grab(el, where);
1846	},
1847
1848	getPrevious: function(match, nocash){
1849		return walk(this, 'previousSibling', null, match, false, nocash);
1850	},
1851
1852	getAllPrevious: function(match, nocash){
1853		return walk(this, 'previousSibling', null, match, true, nocash);
1854	},
1855
1856	getNext: function(match, nocash){
1857		return walk(this, 'nextSibling', null, match, false, nocash);
1858	},
1859
1860	getAllNext: function(match, nocash){
1861		return walk(this, 'nextSibling', null, match, true, nocash);
1862	},
1863
1864	getFirst: function(match, nocash){
1865		return walk(this, 'nextSibling', 'firstChild', match, false, nocash);
1866	},
1867
1868	getLast: function(match, nocash){
1869		return walk(this, 'previousSibling', 'lastChild', match, false, nocash);
1870	},
1871
1872	getParent: function(match, nocash){
1873		return walk(this, 'parentNode', null, match, false, nocash);
1874	},
1875
1876	getParents: function(match, nocash){
1877		return walk(this, 'parentNode', null, match, true, nocash);
1878	},
1879
1880	getSiblings: function(match, nocash){
1881		return this.getParent().getChildren(match, nocash).erase(this);
1882	},
1883
1884	getChildren: function(match, nocash){
1885		return walk(this, 'nextSibling', 'firstChild', match, true, nocash);
1886	},
1887

1888	getWindow: function(){
1889		return this.ownerDocument.window;
1890	},
1891
1892	getDocument: function(){
1893		return this.ownerDocument;
1894	},
1895
1896	getElementById: function(id, nocash){
1897		var el = this.ownerDocument.getElementById(id);
1898		if (!el) return null;
1899		for (var parent = el.parentNode; parent != this; parent = parent.parentNode){
1900			if (!parent) return null;
1901		}
1902		return document.id(el, nocash);
1903	},
1904
1905	getSelected: function(){
1906		return new Elements($A(this.options).filter(function(option){
1907			return option.selected;
1908		}));
1909	},
1910
1911	getComputedStyle: function(property){
1912		if (this.currentStyle) return this.currentStyle[property.camelCase()];
1913		var computed = this.getDocument().defaultView.getComputedStyle(this, null);
1914		return (computed) ? computed.getPropertyValue([property.hyphenate()]) : null;
1915	},
1916
1917	toQueryString: function(){
1918		var queryString = [];
1919		this.getElements('input, select, textarea', true).each(function(el){
1920			if (!el.name || el.disabled || el.type == 'submit' || el.type == 'reset' || el.type == 'file') return;
1921			var value = (el.tagName.toLowerCase() == 'select') ? Element.getSelected(el).map(function(opt){
1922				return opt.value;
1923			}) : ((el.type == 'radio' || el.type == 'checkbox') && !el.checked) ? null : el.value;
1924			$splat(value).each(function(val){
1925				if (typeof val != 'undefined') queryString.push(el.name + '=' + encodeURIComponent(val));
1926			});
1927		});
1928		return queryString.join('&');
1929	},
1930
1931	clone: function(contents, keepid){
1932		contents = contents !== false;
1933		var clone = this.cloneNode(contents);
1934		var clean = function(node, element){
1935			if (!keepid) node.removeAttribute('id');
1936			if (Browser.Engine.trident){
1937				node.clearAttributes();
1938				node.mergeAttributes(element);
1939				node.removeAttribute('uid');
1940				if (node.options){
1941					var no = node.options, eo = element.options;
1942					for (var j = no.length; j--;) no[j].selected = eo[j].selected;
1943				}
1944			}
1945			var prop = props[element.tagName.toLowerCase()];
1946			if (prop && element[prop]) node[prop] = element[prop];
1947		};
1948
1949		if (contents){
1950			var ce = clone.getElementsByTagName('*'), te = this.getElementsByTagName('*');
1951			for (var i = ce.length; i--;) clean(ce[i], te[i]);
1952		}
1953
1954		clean(clone, this);
1955		return document.id(clone);
1956	},
1957
1958	destroy: function(){
1959		Element.empty(this);
1960		Element.dispose(this);
1961		clean(this, true);
1962		return null;
1963	},
1964
1965	empty: function(){
1966		$A(this.childNodes).each(function(node){
1967			Element.destroy(node);
1968		});
1969		return this;
1970	},
1971
1972	dispose: function(){
1973		return (this.parentNode) ? this.parentNode.removeChild(this) : this;
1974	},
1975
1976	hasChild: function(el){
1977		el = document.id(el, true);
1978		if (!el) return false;
1979		if (Browser.Engine.webkit && Browser.Engine.version < 420) return $A(this.getElementsByTagName(el.tagName)).contains(el);
1980		return (this.contains) ? (this != el && this.contains(el)) : !!(this.compareDocumentPosition(el) & 16);
1981	},
1982
1983	match: function(tag){
1984		return (!tag || (tag == this) || (Element.get(this, 'tag') == tag));
1985	}
1986
1987});
1988
1989Native.implement([Element, Window, Document], {
1990
1991	addListener: function(type, fn){
1992		if (type == 'unload'){
1993			var old = fn, self = this;
1994			fn = function(){
1995				self.removeListener('unload', fn);
1996				old();
1997			};
1998		} else {
1999			collected[this.uid] = this;
2000		}
2001		if (this.addEventListener) this.addEventListener(type, fn, false);
2002		else this.attachEvent('on' + type, fn);
2003		return this;
2004	},
2005
2006	removeListener: function(type, fn){
2007		if (this.removeEventListener) this.removeEventListener(type, fn, false);
2008		else this.detachEvent('on' + type, fn);
2009		return this;
2010	},
2011
2012	retrieve: function(property, dflt){
2013		var storage = get(this.uid), prop = storage[property];
2014		if (dflt != undefined && prop == undefined) prop = storage[property] = dflt;
2015		return $pick(prop);
2016	},
2017
2018	store: function(property, value){
2019		var storage = get(this.uid);
2020		storage[property] = value;
2021		return this;
2022	},
2023
2024	eliminate: function(property){
2025		var storage = get(this.uid);
2026		delete storage[property];
2027		return this;
2028	}
2029
2030});
2031
2032window.addListener('unload', purge);
2033
2034})();
2035
2036Element.Properties = new Hash;
2037
2038Element.Properties.style = {
2039
2040	set: function(style){
2041		this.style.cssText = style;
2042	},
2043
2044	get: function(){
2045		return this.style.cssText;
2046	},
2047
2048	erase: function(){
2049		this.style.cssText = '';
2050	}
2051
2052};
2053
2054Element.Properties.tag = {
2055
2056	get: function(){
2057		return this.tagName.toLowerCase();
2058	}
2059
2060};
2061
2062Element.Properties.html = (function(){
2063	var BUGGY_INNERHTML = true;
2064	try {
2065		var tester = document.createElement('tr');
2066		tester.innerHTML = '<td>x';
2067		tester = tester.firstChild;
2068		BUGGY_INNERHTML = !(tester.nodeName == 'TD' && tester.innerHTML == 'x');
2069	}
2070	catch (e){}
2071	if (!BUGGY_INNERHTML) return {
2072		set: function(){
2073			this.innerHTML = Array.flatten(arguments).join('');
2074		}
2075	};
2076
2077	var wrapper = document.createElement('div');
2078
2079	var translations = {
2080		table: [1, '<table>', '</table>'],
2081		select: [1, '<select>', '</select>'],
2082		tbody: [2, '<table><tbody>', '</tbody></table>'],
2083		tr: [3, '<table><tbody><tr>', '</tr></tbody></table>']
2084	};
2085	translations.thead = translations.tfoot = translations.tbody;
2086
2087	var html = {
2088		set: function(){
2089			var html = Array.flatten(arguments).join('');
2090			var wrap = translations[this.get('tag')];
2091			if (wrap){
2092				var first = wrapper;
2093				first.innerHTML = wrap[1] + html + wrap[2];
2094				for (var i = wrap[0]; i--;) first = first.firstChild;
2095				this.empty().adopt(first.childNodes);
2096			} else {
2097				this.innerHTML = html;
2098			}
2099		}
2100	};
2101
2102	html.erase = html.set;
2103
2104	return html;
2105})();
2106
2107if (Browser.Engine.webkit && Browser.Engine.version < 420) Element.Properties.text = {
2108	get: function(){
2109		if (this.innerText) return this.innerText;
2110		var temp = this.ownerDocument.newElement('div', {html: this.innerHTML}).inject(this.ownerDocument.body);
2111		var text = temp.innerText;
2112		temp.destroy();
2113		return text;
2114	}
2115};
2116
2117
2118/*
2119---
2120
2121name: Element.Event
2122
2123description: Contains Element methods for dealing with events. This file also includes mouseenter and mouseleave custom Element Events.
2124
2125license: MIT-style license.
2126
2127requires: [Element, Event]
2128
2129provides: Element.Event
2130
2131...
2132*/
2133

2134Element.Properties.events = {set: function(events){
2135	this.addEvents(events);
2136}};
2137
2138Native.implement([Element, Window, Document], {
2139
2140	addEvent: function(type, fn){
2141		var events = this.retrieve('events', {});
2142		events[type] = events[type] || {'keys': [], 'values': []};
2143		if (events[type].keys.contains(fn)) return this;
2144		events[type].keys.push(fn);
2145		var realType = type, custom = Element.Events.get(type), condition = fn, self = this;
2146		if (custom){
2147			if (custom.onAdd) custom.onAdd.call(this, fn);
2148			if (custom.condition){
2149				condition = function(event){
2150					if (custom.condition.call(this, event)) return fn.call(this, event);
2151					return true;
2152				};
2153			}
2154			realType = custom.base || realType;
2155		}
2156		var defn = function(){
2157			return fn.call(self);
2158		};
2159		var nativeEvent = Element.NativeEvents[realType];
2160		if (nativeEvent){
2161			if (nativeEvent == 2){
2162				defn = function(event){
2163					event = new Event(event, self.getWindow());
2164					if (condition.call(self, event) === false) event.stop();
2165				};
2166			}
2167			this.addListener(realType, defn);
2168		}
2169		events[type].values.push(defn);
2170		return this;
2171	},
2172
2173	removeEvent: function(type, fn){
2174		var events = this.retrieve('events');
2175		if (!events || !events[type]) return this;
2176		var pos = events[type].keys.indexOf(fn);
2177		if (pos == -1) return this;
2178		events[type].keys.splice(pos, 1);
2179		var value = events[type].values.splice(pos, 1)[0];
2180		var custom = Element.Events.get(type);
2181		if (custom){
2182			if (custom.onRemove) custom.onRemove.call(this, fn);
2183			type = custom.base || type;
2184		}
2185		return (Element.NativeEvents[type]) ? this.removeListener(type, value) : this;
2186	},
2187
2188	addEvents: function(events){
2189		for (var event in events) this.addEvent(event, events[event]);
2190		return this;
2191	},
2192
2193	removeEvents: function(events){
2194		var type;
2195		if ($type(events) == 'object'){
2196			for (type in events) this.removeEvent(type, events[type]);
2197			return this;
2198		}
2199		var attached = this.retrieve('events');
2200		if (!attached) return this;
2201		if (!events){
2202			for (type in attached) this.removeEvents(type);
2203			this.eliminate('events');
2204		} else if (attached[events]){
2205			while (attached[events].keys[0]) this.removeEvent(events, attached[events].keys[0]);
2206			attached[events] = null;
2207		}
2208		return this;
2209	},
2210
2211	fireEvent: function(type, args, delay){
2212		var events = this.retrieve('events');
2213		if (!events || !events[type]) return this;
2214		events[type].keys.each(function(fn){
2215			fn.create({'bind': this, 'delay': delay, 'arguments': args})();
2216		}, this);
2217		return this;
2218	},
2219
2220	cloneEvents: function(from, type){
2221		from = document.id(from);
2222		var fevents = from.retrieve('events');
2223		if (!fevents) return this;
2224		if (!type){
2225			for (var evType in fevents) this.cloneEvents(from, evType);
2226		} else if (fevents[type]){
2227			fevents[type].keys.each(function(fn){
2228				this.addEvent(type, fn);
2229			}, this);
2230		}
2231		return this;
2232	}
2233
2234});
2235
2236// IE9
2237try {
2238	if (typeof HTMLElement != 'undefined')
2239		HTMLElement.prototype.fireEvent = Element.prototype.fireEvent;
2240} catch(e){}
2241
2242Element.NativeEvents = {
2243	click: 2, dblclick: 2, mouseup: 2, mousedown: 2, contextmenu: 2, //mouse buttons
2244	mousewheel: 2, DOMMouseScroll: 2, //mouse wheel
2245	mouseover: 2, mouseout: 2, mousemove: 2, selectstart: 2, selectend: 2, //mouse movement
2246	keydown: 2, keypress: 2, keyup: 2, //keyboard
2247	focus: 2, blur: 2, change: 2, reset: 2, select: 2, submit: 2, //form elements
2248	load: 1, unload: 1, beforeunload: 2, resize: 1, move: 1, DOMContentLoaded: 1, readystatechange: 1, //window
2249	error: 1, abort: 1, scroll: 1 //misc
2250};
2251
2252(function(){
2253
2254var $check = function(event){
2255	var related = event.relatedTarget;
2256	if (related == undefined) return true;
2257	if (related === false) return false;
2258	return ($type(this) != 'document' && related != this && related.prefix != 'xul' && !this.hasChild(related));
2259};
2260
2261Element.Events = new Hash({
2262
2263	mouseenter: {
2264		base: 'mouseover',
2265		condition: $check
2266	},
2267
2268	mouseleave: {
2269		base: 'mouseout',
2270		condition: $check
2271	},
2272
2273	mousewheel: {
2274		base: (Browser.Engine.gecko) ? 'DOMMouseScroll' : 'mousewheel'
2275	}
2276
2277});
2278
2279})();
2280
2281
2282/*
2283---
2284
2285name: Element.Style
2286
2287description: Contains methods for interacting with the styles of Elements in a fas

2287hionable way.
2288
2289license: MIT-style license.
2290
2291requires: Element
2292
2293provides: Element.Style
2294
2295...
2296*/
2297
2298Element.Properties.styles = {set: function(styles){
2299	this.setStyles(styles);
2300}};
2301
2302Element.Properties.opacity = {
2303
2304	set: function(opacity, novisibility){
2305		if (!novisibility){
2306			if (opacity == 0){
2307				if (this.style.visibility != 'hidden') this.style.visibility = 'hidden';
2308			} else {
2309				if (this.style.visibility != 'visible') this.style.visibility = 'visible';
2310			}
2311		}
2312		if (!this.currentStyle || !this.currentStyle.hasLayout) this.style.zoom = 1;
2313		if (Browser.Engine.trident) this.style.filter = (opacity == 1) ? '' : 'alpha(opacity=' + opacity * 100 + ')';
2314		this.style.opacity = opacity;
2315		this.store('opacity', opacity);
2316	},
2317
2318	get: function(){
2319		return this.retrieve('opacity', 1);
2320	}
2321
2322};
2323
2324Element.implement({
2325
2326	setOpacity: function(value){
2327		return this.set('opacity', value, true);
2328	},
2329
2330	getOpacity: function(){
2331		return this.get('opacity');
2332	},
2333
2334	setStyle: function(property, value){
2335		switch (property){
2336			case 'opacity': return this.set('opacity', parseFloat(value));
2337			case 'float': property = (Browser.Engine.trident) ? 'styleFloat' : 'cssFloat';
2338		}
2339		property = property.camelCase();
2340		if ($type(value) != 'string'){
2341			var map = (Element.Styles.get(property) || '@').split(' ');
2342			value = $splat(value).map(function(val, i){
2343				if (!map[i]) return '';
2344				return ($type(val) == 'number') ? map[i].replace('@', Math.round(val)) : val;
2345			}).join(' ');
2346		} else if (value == String(Number(value))){
2347			value = Math.round(value);
2348		}
2349		this.style[property] = value;
2350		return this;
2351	},
2352
2353	getStyle: function(property){
2354		switch (property){
2355			case 'opacity': return this.get('opacity');
2356			case 'float': property = (Browser.Engine.trident) ? 'styleFloat' : 'cssFloat';
2357		}
2358		property = property.camelCase();
2359		var result = this.style[property];
2360		if (!$chk(result)){
2361			result = [];
2362			for (var style in Element.ShortStyles){
2363				if (property != style) continue;
2364				for (var s in Element.ShortStyles[style]) result.push(this.getStyle(s));
2365				return result.join(' ');
2366			}
2367			result = this.getComputedStyle(property);
2368		}
2369		if (result){
2370			result = String(result);
2371			var color = result.match(/rgba?\([\d\s,]+\)/);
2372			if (color) result = result.replace(color[0], color[0].rgbToHex());
2373		}
2374		if (Browser.Engine.presto || (Browser.Engine.trident && !$chk(parseInt(result, 10)))){
2375			if (property.test(/^(height|width)$/)){
2376				var values = (property == 'width') ? ['left', 'right'] : ['top', 'bottom'], size = 0;
2377				values.each(function(value){
2378					size += this.getStyle('border-' + value + '-width').toInt() + this.getStyle('padding-' + value).toInt();
2379				}, this);
2380				return this['offset' + property.capitalize()] - size + 'px';
2381			}
2382			if ((Browser.Engine.presto) && String(result).test('px')) return result;
2383			if (property.test(/(border(.+)Width|margin|padding)/)) return '0px';
2384		}
2385		return result;
2386	},
2387
2388	setStyles: function(styles){
2389		for (var style in styles) this.setStyle(style, styles[style]);
2390		return this;
2391	},
2392
2393	getStyles: function(){
2394		var result = {};
2395		Array.flatten(arguments).each(function(key){
2396			result[key] = this.getStyle(key);
2397		}, this);
2398		return result;
2399	}
2400
2401});
2402
2403Element.Styles = new Hash({
2404	left: '@px', top: '@px', bottom: '@px', right: '@px',
2405	width: '@px', height: '@px', maxWidth: '@px', maxHeight: '@px', minWidth: '@px', minHeight: '@px',
2406	backgroundColor: 'rgb(@, @, @)', backgroundPosition: '@px @px', color: 'rgb(@, @, @)',
2407	fontSize: '@px', letterSpacing: '@px', lineHeight: '@px', clip: 'rect(@px @px @px @px)',
2408	margin: '@px @px @px @px', padding: '@px @px @px @px', border: '@px @ rgb(@, @, @) @px @ rgb(@, @, @) @px @ rgb(@, @, @)',
2409	borderWidth: '@px @px @px @px', borderStyle: '@ @ @ @', borderColor: 'rgb(@, @, @) rgb(@, @, @) rgb(@, @, @) rgb(@, @, @)',
2410	zIndex: '@', 'zoom': '@', fontWeight: '@', textIndent: '@px', opacity: '@'
2411});
2412
2413Element.ShortStyles = {margin: {}, padding: {}, border: {}, borderWidth: {}, borderStyle: {}, borderColor: {}};
2414
2415['Top', 'Right', 'Bottom', 'Left'].each(function(direction){
2416	var Short = Element.ShortStyles;
2417	var All = Element.Styles;
2418	['margin', 'padding'].each(function(style){
2419		var sd = style + direction;
2420		Short[style][sd] = All[sd] = '@px';
2421	});
2422	var bd = 'border' + direction;
2423	Short.border[bd] = All[bd] = '@px @ rgb(@, @, @)';
2424	var bdw = bd + 'Width', bds = bd + 'Style', bdc = bd + 'Color';
2425	Short[bd] = {};
2426	Short.borderWidth[bdw] = Short[bd][bdw] = All[bdw] = '@px';
2427	Short.borderStyle[bds] = Short[bd][bds] = All[bds] = '@';
2428	Short.borderColor[bdc] = Short[bd][bdc] = All[bdc] = 'rgb(@, @, @)';
2429});
2430
2431
2432/*
2433---
2434
2435name: Element.Dimensions
2436
2437description: Contains methods to work with size, scroll, or positioning of Elements and the window object.
2438
2439license: MIT-style license.
2440
2441credits:
2442  - Element positioning based on the [qooxdoo](http://qooxdoo.org/) code and smart browser fixes, [LGPL License](http://www.gnu.org/licenses/lgpl.html).
2443  - Viewport dimensions based on [YUI](http://developer.yahoo.com/yui

2443/) code, [BSD License](http://developer.yahoo.com/yui/license.html).
2444
2445requires: Element
2446
2447provides: Element.Dimensions
2448
2449...
2450*/
2451
2452(function(){
2453
2454Element.implement({
2455
2456	scrollTo: function(x, y){
2457		if (isBody(this)){
2458			this.getWindow().scrollTo(x, y);
2459		} else {
2460			this.scrollLeft = x;
2461			this.scrollTop = y;
2462		}
2463		return this;
2464	},
2465
2466	getSize: function(){
2467		if (isBody(this)) return this.getWindow().getSize();
2468		return {x: this.offsetWidth, y: this.offsetHeight};
2469	},
2470
2471	getScrollSize: function(){
2472		if (isBody(this)) return this.getWindow().getScrollSize();
2473		return {x: this.scrollWidth, y: this.scrollHeight};
2474	},
2475
2476	getScroll: function(){
2477		if (isBody(this)) return this.getWindow().getScroll();
2478		return {x: this.scrollLeft, y: this.scrollTop};
2479	},
2480
2481	getScrolls: function(){
2482		var element = this, position = {x: 0, y: 0};
2483		while (element && !isBody(element)){
2484			position.x += element.scrollLeft;
2485			position.y += element.scrollTop;
2486			element = element.parentNode;
2487		}
2488		return position;
2489	},
2490
2491	getOffsetParent: function(){
2492		var element = this;
2493		if (isBody(element)) return null;
2494		if (!Browser.Engine.trident) return element.offsetParent;
2495		while ((element = element.parentNode) && !isBody(element)){
2496			if (styleString(element, 'position') != 'static') return element;
2497		}
2498		return null;
2499	},
2500
2501	getOffsets: function(){
2502		if (this.getBoundingClientRect){
2503			var bound = this.getBoundingClientRect(),
2504				html = document.id(this.getDocument().documentElement),
2505				htmlScroll = html.getScroll(),
2506				elemScrolls = this.getScrolls(),
2507				elemScroll = this.getScroll(),
2508				isFixed = (styleString(this, 'position') == 'fixed');
2509
2510			return {
2511				x: bound.left.toInt() + elemScrolls.x - elemScroll.x + ((isFixed) ? 0 : htmlScroll.x) - html.clientLeft,
2512				y: bound.top.toInt()  + elemScrolls.y - elemScroll.y + ((isFixed) ? 0 : htmlScroll.y) - html.clientTop
2513			};
2514		}
2515
2516		var element = this, position = {x: 0, y: 0};
2517		if (isBody(this)) return position;
2518
2519		while (element && !isBody(element)){
2520			position.x += element.offsetLeft;
2521			position.y += element.offsetTop;
2522
2523			if (Browser.Engine.gecko){
2524				if (!borderBox(element)){
2525					position.x += leftBorder(element);
2526					position.y += topBorder(element);
2527				}
2528				var parent = element.parentNode;
2529				if (parent && styleString(parent, 'overflow') != 'visible'){
2530					position.x += leftBorder(parent);
2531					position.y += topBorder(parent);
2532				}
2533			} else if (element != this && Browser.Engine.webkit){
2534				position.x += leftBorder(element);
2535				position.y += topBorder(element);
2536			}
2537
2538			element = element.offsetParent;
2539		}
2540		if (Browser.Engine.gecko && !borderBox(this)){
2541			position.x -= leftBorder(this);
2542			position.y -= topBorder(this);
2543		}
2544		return position;
2545	},
2546
2547	getPosition: function(relative){
2548		if (isBody(this)) return {x: 0, y: 0};
2549		var offset = this.getOffsets(),
2550				scroll = this.getScrolls();
2551		var position = {
2552			x: offset.x - scroll.x,
2553			y: offset.y - scroll.y
2554		};
2555		var relativePosition = (relative && (relative = document.id(relative))) ? relative.getPosition() : {x: 0, y: 0};
2556		return {x: position.x - relativePosition.x, y: position.y - relativePosition.y};
2557	},
2558
2559	getCoordinates: function(element){
2560		if (isBody(this)) return this.getWindow().getCoordinates();
2561		var position = this.getPosition(element),
2562				size = this.getSize();
2563		var obj = {
2564			left: position.x,
2565			top: position.y,
2566			width: size.x,
2567			height: size.y
2568		};
2569		obj.right = obj.left + obj.width;
2570		obj.bottom = obj.top + obj.height;
2571		return obj;
2572	},
2573
2574	computePosition: function(obj){
2575		return {
2576			left: obj.x - styleNumber(this, 'margin-left'),
2577			top: obj.y - styleNumber(this, 'margin-top')
2578		};
2579	},
2580
2581	setPosition: function(obj){
2582		return this.setStyles(this.computePosition(obj));
2583	}
2584
2585});
2586
2587
2588Native.implement([Document, Window], {
2589
2590	getSize: function(){
2591		if (Browser.Engine.presto || Browser.Engine.webkit){
2592			var win = this.getWindow();
2593			return {x: win.innerWidth, y: win.innerHeight};
2594		}
2595		var doc = getCompatElement(this);
2596		return {x: doc.clientWidth, y: doc.clientHeight};
2597	},
2598
2599	getScroll: function(){
2600		var win = this.getWindow(), doc = getCompatElement(this);
2601		return {x: win.pageXOffset || doc.scrollLeft, y: win.pageYOffset || doc.scrollTop};
2602	},
2603
2604	getScrollSize: function(){

2605		var doc = getCompatElement(this), min = this.getSize();
2606		return {x: Math.max(doc.scrollWidth, min.x), y: Math.max(doc.scrollHeight, min.y)};
2607	},
2608
2609	getPosition: function(){
2610		return {x: 0, y: 0};
2611	},
2612
2613	getCoordinates: function(){
2614		var size = this.getSize();
2615		return {top: 0, left: 0, bottom: size.y, right: size.x, height: size.y, width: size.x};
2616	}
2617
2618});
2619
2620// private methods
2621
2622var styleString = Element.getComputedStyle;
2623
2624function styleNumber(element, style){
2625	return styleString(element, style).toInt() || 0;
2626};
2627
2628function borderBox(element){
2629	return styleString(element, '-moz-box-sizing') == 'border-box';
2630};
2631
2632function topBorder(element){
2633	return styleNumber(element, 'border-top-width');
2634};
2635
2636function leftBorder(element){
2637	return styleNumber(element, 'border-left-width');
2638};
2639
2640function isBody(element){
2641	return (/^(?:body|html)$/i).test(element.tagName);
2642};
2643
2644function getCompatElement(element){
2645	var doc = element.getDocument();
2646	return (!doc.compatMode || doc.compatMode == 'CSS1Compat') ? doc.html : doc.body;
2647};
2648
2649})();
2650
2651//aliases
2652Element.alias('setPosition', 'position'); //compatability
2653
2654Native.implement([Window, Document, Element], {
2655
2656	getHeight: function(){
2657		return this.getSize().y;
2658	},
2659
2660	getWidth: function(){
2661		return this.getSize().x;
2662	},
2663
2664	getScrollTop: function(){
2665		return this.getScroll().y;
2666	},
2667
2668	getScrollLeft: function(){
2669		return this.getScroll().x;
2670	},
2671
2672	getScrollHeight: function(){
2673		return this.getScrollSize().y;
2674	},
2675
2676	getScrollWidth: function(){
2677		return this.getScrollSize().x;
2678	},
2679
2680	getTop: function(){
2681		return this.getPosition().y;
2682	},
2683
2684	getLeft: function(){
2685		return this.getPosition().x;
2686	}
2687
2688});
2689
2690
2691/*
2692---
2693
2694name: Selectors
2695
2696description: Adds advanced CSS-style querying capabilities for targeting HTML Elements. Includes pseudo selectors.
2697
2698license: MIT-style license.
2699
2700requires: Element
2701
2702provides: Selectors
2703
2704...
2705*/
2706
2707Native.implement([Document, Element], {
2708
2709	getElements: function(expression, nocash){
2710		expression = expression.split(',');
2711		var items, local = {};
2712		for (var i = 0, l = expression.length; i < l; i++){
2713			var selector = expression[i], elements = Selectors.Utils.search(this, selector, local);
2714			if (i != 0 && elements.item) elements = $A(elements);
2715			items = (i == 0) ? elements : (items.item) ? $A(items).concat(elements) : items.concat(elements);
2716		}
2717		return new Elements(items, {ddup: (expression.length > 1), cash: !nocash});
2718	}
2719
2720});
2721
2722Element.implement({
2723
2724	match: function(selector){
2725		if (!selector || (selector == this)) return true;
2726		var tagid = Selectors.Utils.parseTagAndID(selector);
2727		var tag = tagid[0], id = tagid[1];
2728		if (!Selectors.Filters.byID(this, id) || !Selectors.Filters.byTag(this, tag)) return false;
2729		var parsed = Selectors.Utils.parseSelector(selector);
2730		return (parsed) ? Selectors.Utils.filter(this, parsed, {}) : true;
2731	}
2732
2733});
2734
2735var Selectors = {Cache: {nth: {}, parsed: {}}};
2736
2737Selectors.RegExps = {
2738	id: (/#([\w-]+)/),
2739	tag: (/^(\w+|\*)/),
2740	quick: (/^(\w+|\*)$/),
2741	splitter: (/\s*([+>~\s])\s*([a-zA-Z#.*:\[])/g),
2742	combined: (/\.([\w-]+)|\[(\w+)(?:([!*^$~|]?=)(["']?)([^\4]*?)\4)?\]|:([\w-]+)(?:\(["']?(.*?)?["']?\)|$)/g)
2743};
2744
2745Selectors.Utils = {
2746
2747	chk: function(item, uniques){
2748		if (!uniques) return true;
2749		var uid = $uid(item);
2750		if (!uniques[uid]) return uniques[uid] = true;
2751		return false;
2752	},
2753
2754	parseNthArgument: function(argument){
2755		if (Selectors.Cache.nth[argument]) return Selectors.Cache.nth[argument];
2756		var parsed = argument.match(/^([+-]?\d*)?([a-z]+)?([+-]?\d*)?$/);
2757		if (!parsed) return false;
2758		var inta = parseInt(parsed[1], 10);
2759		var a = (inta || inta === 0) ? inta : 1;
2760		var special = parsed[2] || false;
2761		var b = parseInt(parsed[3], 10) || 0;
2762		if (a != 0){
2763			b--;
2764			while (b < 1) b += a;
2765			while (b >= a) b -= a;
2766		} else {
2767			a = b;
2768			special = 'index';
2769		}
2770		switch (special){
2771			case 'n': parsed = {a: a, b: b, special: 'n'}; break;
2772			case 'odd': parsed = {a: 2, b: 0, special: 'n'}; break;
2773			case 'even': parsed = {a: 2, b: 1, special: 'n'}; break;
2774			case 'first': parsed = {a: 0, special: 'index'}; break;
2775			case 'last': parsed = {special: 'last-child'}; break;
2776			case 'only': parsed = {special: 'only-child'}; break;
2777			default: parsed = {a: (a - 1), special: 'index'};
2778		}
2779
2780		return Selectors.Cache.nth[argument] = parsed;
2781	},
2782
2783	parseSelector: function(selector){
2784		if (Selectors.Cache.parsed[selector]) return Selectors.Cache.parsed[selector];
2785		var m, parsed = {classes: [], pseudos: [], attributes: []};
2786		while ((m = Selectors.RegExps.combined.exec(selector))){
2787			var cn = m[1], an = m[2], ao = m[3], av = m[5], pn = m[6], pa = m[7];
2788			if (cn){
2789				parsed.classes.push(cn);
2790			} else if (pn){
2791				var parser = Selectors.Pseudo.get(pn);
2792				if (parser) parsed.pseudos.push({parser: parser, argument: pa});
2793				else parsed.attributes.push({name: pn, operator: '=', value: pa});
2794			} else if (an){
2795				parsed.attributes.push({name: an, operator: ao, value: av});
2796			}
2797		}
2798		if (!parsed.classes.length) delete parsed.classes;
2799		if (!parsed.attributes.length) delete parsed.attributes;
2800		if (!parsed.pseudos.length) delete parsed.pseudos;
2801		if (!parsed.classes && !parsed.attributes && !parsed.pseudos) parsed = null;
2802		return Selectors.Cache.parsed[selector] = parsed;
2803	},
2804
2805	parseTagAndID: function(selector){
2806		var tag = selector.match(Selectors.RegExps.tag);
2807		var id = selector.match(Selectors.RegExps.id);
2808		return [(tag) ? tag[1] : '*', (id) ? id[1] : false];
2809	},
2810
2811	filter: function(item, parsed, local){
2812		var i;
2813		if (parsed.classes){
2814			for (i = parsed.classes.length; i--; i){
2815				var cn = parsed.classes[i];
2816				if (!Selectors.Filters.byClass(item, cn)) return false;