/*

Script: Core.js

	MooTools - My Object Oriented JavaScript Tools.



License:

	MIT-style license.



Copyright:

	Copyright (c) 2006-2007 [Valerio Proietti](http://mad4milk.net/).



Code & Documentation:

	[The MooTools production team](http://mootools.net/developers/).



Inspiration:

	- 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)

	- Some functionality inspired by [Prototype.js](http://prototypejs.org) Copyright (c) 2005-2007 Sam Stephenson, [MIT License](http://opensource.org/licenses/mit-license.php)

*/



var MooTools = {

	'version': '1.2.0',

	'build': ''

};

      

var Native = function(options){

	options = options || {};



	var afterImplement = options.afterImplement || function(){};

	var generics = options.generics;

	generics = (generics !== false);

	var legacy = options.legacy;

	var initialize = options.initialize;

	var protect = options.protect;

	var name = options.name;



	var object = initialize || legacy;



	object.constructor = Native;

	object.$family = {name: 'native'};

	if (legacy && initialize) object.prototype = legacy.prototype;

	object.prototype.constructor = object;



	if (name){

		var family = name.toLowerCase();

		object.prototype.$family = {name: family};

		Native.typize(object, family);

	}



	var add = function(obj, name, method, force){

		if (!protect || force || !obj.prototype[name]) obj.prototype[name] = method;

		if (generics) Native.genericize(obj, name, protect);

		afterImplement.call(obj, name, method);

		return obj;

	};

	

	object.implement = function(a1, a2, a3){

		if (typeof a1 == 'string') return add(this, a1, a2, a3);

		for (var p in a1) add(this, p, a1[p], a2);

		return this;

	};

	

	object.alias = function(a1, a2, a3){

		if (typeof a1 == 'string'){

			a1 = this.prototype[a1];

			if (a1) add(this, a2, a1, a3);

		} else {

			for (var a in a1) this.alias(a, a1[a], a2);

		}

		return this;

	};



	return object;

};



Native.implement = function(objects, properties){

	for (var i = 0, l = objects.length; i < l; i++) objects[i].implement(properties);

};



Native.genericize = function(object, property, check){

	if ((!check || !object[property]) && typeof object.prototype[property] == 'function') object[property] = function(){

		var args = Array.prototype.slice.call(arguments);

		return object.prototype[property].apply(args.shift(), args);

	};

};



Native.typize = function(object, family){

	if (!object.type) object.type = function(item){

		return ($type(item) === family);

	};

};



Native.alias = function(objects, a1, a2, a3){

	for (var i = 0, j = objects.length; i < j; i++) objects[i].alias(a1, a2, a3);

};



(function(objects){

	for (var name in objects) Native.typize(objects[name], name);

})({'boolean': Boolean, 'native': Native, 'object': Object});



(function(objects){

	for (var name in objects) new Native({name: name, initialize: objects[name], protect: true});

})({'String': String, 'Function': Function, 'Number': Number, 'Array': Array, 'RegExp': RegExp, 'Date': Date});



(function(object, methods){

	for (var i = methods.length; i--; i) Native.genericize(object, methods[i], true);

	return arguments.callee;

})

(Array, ['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift', 'concat', 'join', 'slice', 'toString', 'valueOf', 'indexOf', 'lastIndexOf'])

(String, ['charAt', 'charCodeAt', 'concat', 'indexOf', 'lastIndexOf', 'match', 'replace', 'search', 'slice', 'split', 'substr', 'substring', 'toLowerCase', 'toUpperCase', 'valueOf']);



function $chk(obj){

	return !!(obj || obj === 0);

};



function $clear(timer){

	clearTimeout(timer);

	clearInterval(timer);

	return null;

};



function $defined(obj){

	return (obj != undefined);

};



function $empty(){};



function $arguments(i){

	return function(){

		return arguments[i];

	};

};



function $lambda(value){

	return (typeof value == 'function') ? value : function(){

		return value;

	};

};



function $extend(original, extended){

	for (var key in (extended || {})) original[key] = extended[key];

	return original;

};



function $unlink(object){

	var unlinked;

	

	switch ($type(object)){

		case 'object':

			unlinked = {};

			for (var p in object) unlinked[p] = $unlink(object[p]);

		break;

		case 'hash':

			unlinked = $unlink(object.getClean());

		break;

		case 'array':

			unlinked = [];

			for (var i = 0, l = object.length; i < l; i++) unlinked[i] = $unlink(object[i]);

		break;

		default: return object;

	}

	

	return unlinked;

};



function $merge(){

	var mix = {};

	for (var i = 0, l = arguments.length; i < l; i++){

		var object = arguments[i];

		if ($type(object) != 'object') continue;

		for (var key in object){

			var op = object[key], mp = mix[key];

			mix[key] = (mp && $type(op) == 'object' && $type(mp) == 'object') ? $merge(mp, op) : $unlink(op);

		}

	}

	return mix;

};



function $pick(){

	for (var i = 0, l = arguments.length; i < l; i++){

		if (arguments[i] != undefined) return arguments[i];

	}

	return null;

};



function $random(min, max){

	return Math.floor(Math.random() * (max - min + 1) + min);

};



function $splat(obj){

	var type = $type(obj);

	return (type) ? ((type != 'array' && type != 'arguments') ? [obj] : obj) : [];

};



var $time = Date.now || function(){

	return new Date().getTime();

};



function $try(){

	for (var i = 0, l = arguments.length; i < l; i++){

		try {

			return arguments[i]();

		} catch(e){}

	}

	return null;

};



function $type(obj){

	if (obj == undefined) return false;

	if (obj.$family) return (obj.$family.name == 'number' && !isFinite(obj)) ? false : obj.$family.name;

	if (obj.nodeName){

		switch (obj.nodeType){

			case 1: return 'element';

			case 3: return (/\S/).test(obj.nodeValue) ? 'textnode' : 'whitespace';

		}

	} else if (typeof obj.length == 'number'){

		if (obj.callee) return 'arguments';

		else if (obj.item) return 'collection';

	}

	return typeof obj;

};



var Hash = new Native({



	name: 'Hash',



	initialize: function(object){

		if ($type(object) == 'hash') object = $unlink(object.getClean());

		for (var key in object) this[key] = object[key];

		return this;

	}



});



Hash.implement({

	

	getLength: function(){

		var length = 0;

		for (var key in this){

			if (this.hasOwnProperty(key)) length++;

		}

		return length;

	},



	forEach: function(fn, bind){

		for (var key in this){

			if (this.hasOwnProperty(key)) fn.call(bind, this[key], key, this);

		}

	},

	

	getClean: function(){

		var clean = {};

		for (var key in this){

			if (this.hasOwnProperty(key)) clean[key] = this[key];

		}

		return clean;

	}



});



Hash.alias('forEach', 'each');



function $H(object){

	return new Hash(object);

};



Array.implement({



	forEach: function(fn, bind){

		for (var i = 0, l = this.length; i < l; i++) fn.call(bind, this[i], i, this);

	}



});



Array.alias('forEach', 'each');



function $A(iterable){

	if (iterable.item){

		var array = [];

		for (var i = 0, l = iterable.length; i < l; i++) array[i] = iterable[i];

		return array;

	}

	return Array.prototype.slice.call(iterable);

};



function $each(iterable, fn, bind){

	var type = $type(iterable);

	((type == 'arguments' || type == 'collection' || type == 'array') ? Array : Hash).each(iterable, fn, bind);

};





/*

Script: Browser.js

	The Browser Core. Contains Browser initialization, Window and Document, and the Browser Hash.



License:

	MIT-style license.

*/



var Browser = new Hash({

	Engine: {name: 'unknown', version: ''},

	Platform: {name: (navigator.platform.match(/mac|win|linux/i) || ['other'])[0].toLowerCase()},

	Features: {xpath: !!(document.evaluate), air: !!(window.runtime)},

	Plugins: {}

});



if (window.opera) Browser.Engine = {name: 'presto', version: (document.getElementsByClassName) ? 950 : 925};

else if (window.ActiveXObject) Browser.Engine = {name: 'trident', version: (window.XMLHttpRequest) ? 5 : 4};

else if (!navigator.taintEnabled) Browser.Engine = {name: 'webkit', version: (Browser.Features.xpath) ? 420 : 419};

else if (document.getBoxObjectFor != null) Browser.Engine = {name: 'gecko', version: (document.getElementsByClassName) ? 19 : 18};

Browser.Engine[Browser.Engine.name] = Browser.Engine[Browser.Engine.name + Browser.Engine.version] = true;



if (window.orientation != undefined) Browser.Platform.name = 'ipod';



Browser.Platform[Browser.Platform.name] = true;



Browser.Request = function(){

	return $try(function(){

		return new XMLHttpRequest();

	}, function(){

		return new ActiveXObject('MSXML2.XMLHTTP');

	});

};



Browser.Features.xhr = !!(Browser.Request());



Browser.Plugins.Flash = (function(){

	var version = ($try(function(){

		return navigator.plugins['Shockwave Flash'].description;

	}, function(){

		return new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');

	}) || '0 r0').match(/\d+/g);

	return {version: parseInt(version[0] || 0 + '.' + version[1] || 0), build: parseInt(version[2] || 0)};

})();



function $exec(text){

	if (!text) return text;

	if (window.execScript){

		window.execScript(text);

	} else {

		var script = document.createElement('script');

		script.setAttribute('type', 'text/javascript');

		script.text = text;

		document.head.appendChild(script);

		document.head.removeChild(script);

	}

	return text;

};



Native.UID = 1;



var $uid = (Browser.Engine.trident) ? function(item){

	return (item.uid || (item.uid = [Native.UID++]))[0];

} : function(item){

	return item.uid || (item.uid = Native.UID++);

};



var Window = new Native({



	name: 'Window',



	legacy: (Browser.Engine.trident) ? null: window.Window,



	initialize: function(win){

		$uid(win);

		if (!win.Element){

			win.Element = $empty;

			if (Browser.Engine.webkit) win.document.createElement("iframe"); //fixes safari 2

			win.Element.prototype = (Browser.Engine.webkit) ? window["[[DOMElement.prototype]]"] : {};

		}

		return $extend(win, Window.Prototype);

	},



	afterImplement: function(property, value){

		window[property] = Window.Prototype[property] = value;

	}



});



Window.Prototype = {$family: {name: 'window'}};



new Window(window);



var Document = new Native({



	name: 'Document',



	legacy: (Browser.Engine.trident) ? null: window.Document,



	initialize: function(doc){

		$uid(doc);

		doc.head = doc.getElementsByTagName('head')[0];

		doc.html = doc.getElementsByTagName('html')[0];

		doc.window = doc.defaultView || doc.parentWindow;

		if (Browser.Engine.trident4) $try(function(){

			doc.execCommand("BackgroundImageCache", false, true);

		});

		return $extend(doc, Document.Prototype);

	},



	afterImplement: function(property, value){

		document[property] = Document.Prototype[property] = value;

	}



});



Document.Prototype = {$family: {name: 'document'}};



new Document(document);



/*

Script: Array.js

	Contains Array Prototypes like copy, each, contains, and remove.



License:

	MIT-style license.

*/



Array.implement({



	every: function(fn, bind){

		for (var i = 0, l = this.length; i < l; i++){

			if (!fn.call(bind, this[i], i, this)) return false;

		}

		return true;

	},



	filter: function(fn, bind){

		var results = [];

		for (var i = 0, l = this.length; i < l; i++){

			if (fn.call(bind, this[i], i, this)) results.push(this[i]);

		}

		return results;

	},

	

	clean: function() {

		return this.filter($defined);

	},



	indexOf: function(item, from){

		var len = this.length;

		for (var i = (from < 0) ? Math.max(0, len + from) : from || 0; i < len; i++){

			if (this[i] === item) return i;

		}

		return -1;

	},



	map: function(fn, bind){

		var results = [];

		for (var i = 0, l = this.length; i < l; i++) results[i] = fn.call(bind, this[i], i, this);

		return results;

	},



	some: function(fn, bind){

		for (var i = 0, l = this.length; i < l; i++){

			if (fn.call(bind, this[i], i, this)) return true;

		}

		return false;

	},



	associate: function(keys){

		var obj = {}, length = Math.min(this.length, keys.length);

		for (var i = 0; i < length; i++) obj[keys[i]] = this[i];

		return obj;

	},



	link: function(object){

		var result = {};

		for (var i = 0, l = this.length; i < l; i++){

			for (var key in object){

				if (object[key](this[i])){

					result[key] = this[i];

					delete object[key];

					break;

				}

			}

		}

		return result;

	},



	contains: function(item, from){

		return this.indexOf(item, from) != -1;

	},



	extend: function(array){

		for (var i = 0, j = array.length; i < j; i++) this.push(array[i]);

		return this;

	},



	getLast: function(){

		return (this.length) ? this[this.length - 1] : null;

	},



	getRandom: function(){

		return (this.length) ? this[$random(0, this.length - 1)] : null;

	},



	include: function(item){

		if (!this.contains(item)) this.push(item);

		return this;

	},



	combine: function(array){

		for (var i = 0, l = array.length; i < l; i++) this.include(array[i]);

		return this;

	},



	erase: function(item){

		for (var i = this.length; i--; i){

			if (this[i] === item) this.splice(i, 1);

		}

		return this;

	},



	empty: function(){

		this.length = 0;

		return this;

	},



	flatten: function(){

		var array = [];

		for (var i = 0, l = this.length; i < l; i++){

			var type = $type(this[i]);

			if (!type) continue;

			array = array.concat((type == 'array' || type == 'collection' || type == 'arguments') ? Array.flatten(this[i]) : this[i]);

		}

		return array;

	},



	hexToRgb: function(array){

		if (this.length != 3) return null;

		var rgb = this.map(function(value){

			if (value.length == 1) value += value;

			return value.toInt(16);

		});

		return (array) ? rgb : 'rgb(' + rgb + ')';

	},



	rgbToHex: function(array){

		if (this.length < 3) return null;

		if (this.length == 4 && this[3] == 0 && !array) return 'transparent';

		var hex = [];

		for (var i = 0; i < 3; i++){

			var bit = (this[i] - 0).toString(16);

			hex.push((bit.length == 1) ? '0' + bit : bit);

		}

		return (array) ? hex : '#' + hex.join('');

	}



});



/*

Script: Function.js

	Contains Function Prototypes like create, bind, pass, and delay.



License:

	MIT-style license.

*/



Function.implement({



	extend: function(properties){

		for (var property in properties) this[property] = properties[property];

		return this;

	},



	create: function(options){

		var self = this;

		options = options || {};

		return function(event){

			var args = options.arguments;

			args = (args != undefined) ? $splat(args) : Array.slice(arguments, (options.event) ? 1 : 0);

			if (options.event) args = [event || window.event].extend(args);

			var returns = function(){

				return self.apply(options.bind || null, args);

			};

			if (options.delay) return setTimeout(returns, options.delay);

			if (options.periodical) return setInterval(returns, options.periodical);

			if (options.attempt) return $try(returns);

			return returns();

		};

	},



	pass: function(args, bind){

		return this.create({arguments: args, bind: bind});

	},



	attempt: function(args, bind){

		return this.create({arguments: args, bind: bind, attempt: true})();

	},



	bind: function(bind, args){

		return this.create({bind: bind, arguments: args});

	},



	bindWithEvent: function(bind, args){

		return this.create({bind: bind, event: true, arguments: args});

	},



	delay: function(delay, bind, args){

		return this.create({delay: delay, bind: bind, arguments: args})();

	},



	periodical: function(interval, bind, args){

		return this.create({periodical: interval, bind: bind, arguments: args})();

	},



	run: function(args, bind){

		return this.apply(bind, $splat(args));

	}



});



/*

Script: Number.js

	Contains Number Prototypes like limit, round, times, and ceil.



License:

	MIT-style license.

*/



Number.implement({



	limit: function(min, max){

		return Math.min(max, Math.max(min, this));

	},



	round: function(precision){

		precision = Math.pow(10, precision || 0);

		return Math.round(this * precision) / precision;

	},



	times: function(fn, bind){

		for (var i = 0; i < this; i++) fn.call(bind, i, this);

	},



	toFloat: function(){

		return parseFloat(this);

	},



	toInt: function(base){

		return parseInt(this, base || 10);

	}



});



Number.alias('times', 'each');



(function(math){

	var methods = {};

	math.each(function(name){

		if (!Number[name]) methods[name] = function(){

			return Math[name].apply(null, [this].concat($A(arguments)));

		};

	});

	Number.implement(methods);

})(['abs', 'acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'exp', 'floor', 'log', 'max', 'min', 'pow', 'sin', 'sqrt', 'tan']);



/*

Script: String.js

	Contains String Prototypes like camelCase, capitalize, test, and toInt.



License:

	MIT-style license.

*/



String.implement({



	test: function(regex, params){

		return ((typeof regex == 'string') ? new RegExp(regex, params) : regex).test(this);

	},



	contains: function(string, separator){

		return (separator) ? (separator + this + separator).indexOf(separator + string + separator) > -1 : this.indexOf(string) > -1;

	},



	trim: function(){

		return this.replace(/^\s+|\s+$/g, '');

	},



	clean: function(){

		return this.replace(/\s+/g, ' ').trim();

	},



	camelCase: function(){

		return this.replace(/-\D/g, function(match){

			return match.charAt(1).toUpperCase();

		});

	},



	hyphenate: function(){

		return this.replace(/[A-Z]/g, function(match){

			return ('-' + match.charAt(0).toLowerCase());

		});

	},



	capitalize: function(){

		return this.replace(/\b[a-z]/g, function(match){

			return match.toUpperCase();

		});

	},



	escapeRegExp: function(){

		return this.replace(/([-.*+?^${}()|[\]\/\\])/g, '\\$1');

	},



	toInt: function(base){

		return parseInt(this, base || 10);

	},



	toFloat: function(){

		return parseFloat(this);

	},



	hexToRgb: function(array){

		var hex = this.match(/^#?(\w{1,2})(\w{1,2})(\w{1,2})$/);

		return (hex) ? hex.slice(1).hexToRgb(array) : null;

	},



	rgbToHex: function(array){

		var rgb = this.match(/\d{1,3}/g);

		return (rgb) ? rgb.rgbToHex(array) : null;

	},



	stripScripts: function(option){

		var scripts = '';

		var text = this.replace(/<script[^>]*>([\s\S]*?)<\/script>/gi, function(){

			scripts += arguments[1] + '\n';

			return '';

		});

		if (option === true) $exec(scripts);

		else if ($type(option) == 'function') option(scripts, text);

		return text;

	},



	substitute: function(object, regexp){

		return this.replace(regexp || (/\\?\{([^}]+)\}/g), function(match, name){

			if (match.charAt(0) == '\\') return match.slice(1);

			return (object[name] != undefined) ? object[name] : '';

		});

	}



});



/*

Script: Hash.js

	Contains Hash Prototypes. Provides a means for overcoming the JavaScript practical impossibility of extending native Objects.



License:

	MIT-style license.

*/



Hash.implement({



	has: Object.prototype.hasOwnProperty,



	keyOf: function(value){

		for (var key in this){

			if (this.hasOwnProperty(key) && this[key] === value) return key;

		}

		return null;

	},



	hasValue: function(value){

		return (Hash.keyOf(this, value) !== null);

	},



	extend: function(properties){

		Hash.each(properties, function(value, key){

			Hash.set(this, key, value);

		}, this);

		return this;

	},



	combine: function(properties){

		Hash.each(properties, function(value, key){

			Hash.include(this, key, value);

		}, this);

		return this;

	},



	erase: function(key){

		if (this.hasOwnProperty(key)) delete this[key];

		return this;

	},



	get: function(key){

		return (this.hasOwnProperty(key)) ? this[key] : null;

	},



	set: function(key, value){

		if (!this[key] || this.hasOwnProperty(key)) this[key] = value;

		return this;

	},



	empty: function(){

		Hash.each(this, function(value, key){

			delete this[key];

		}, this);

		return this;

	},



	include: function(key, value){

		var k = this[key];

		if (k == undefined) this[key] = value;

		return this;

	},



	map: function(fn, bind){

		var results = new Hash;

		Hash.each(this, function(value, key){

			results.set(key, fn.call(bind, value, key, this));

		}, this);

		return results;

	},



	filter: function(fn, bind){

		var results = new Hash;

		Hash.each(this, function(value, key){

			if (fn.call(bind, value, key, this)) results.set(key, value);

		}, this);

		return results;

	},



	every: function(fn, bind){

		for (var key in this){

			if (this.hasOwnProperty(key) && !fn.call(bind, this[key], key)) return false;

		}

		return true;

	},



	some: function(fn, bind){

		for (var key in this){

			if (this.hasOwnProperty(key) && fn.call(bind, this[key], key)) return true;

		}

		return false;

	},



	getKeys: function(){

		var keys = [];

		Hash.each(this, function(value, key){

			keys.push(key);

		});

		return keys;

	},



	getValues: function(){

		var values = [];

		Hash.each(this, function(value){

			values.push(value);

		});

		return values;

	},

	

	toQueryString: function(base){

		var queryString = [];

		Hash.each(this, function(value, key){

			if (base) key = base + '[' + key + ']';

			var result;

			switch ($type(value)){

				case 'object': result = Hash.toQueryString(value, key); break;

				case 'array':

					var qs = {};

					value.each(function(val, i){

						qs[i] = val;

					});

					result = Hash.toQueryString(qs, key);

				break;

				default: result = key + '=' + encodeURIComponent(value);

			}

			if (value != undefined) queryString.push(result);

		});

		

		return queryString.join('&');

	}



});



Hash.alias({keyOf: 'indexOf', hasValue: 'contains'});



/*

Script: Event.js

	Contains the Event Native, to make the event object completely crossbrowser.



License:

	MIT-style license.

*/



var Event = new Native({



	name: 'Event',



	initialize: function(event, win){

		win = win || window;

		var doc = win.document;

		event = event || win.event;

		if (event.$extended) return event;

		this.$extended = true;

		var type = event.type;

		var target = event.target || event.srcElement;

		while (target && target.nodeType == 3) target = target.parentNode;

		

		if (type.test(/key/)){

			var code = event.which || event.keyCode;

			var key = Event.Keys.keyOf(code);

			if (type == 'keydown'){

				var fKey = code - 111;

				if (fKey > 0 && fKey < 13) key = 'f' + fKey;

			}

			key = key || String.fromCharCode(code).toLowerCase();

		} else if (type.match(/(click|mouse|menu)/i)){

			doc = (!doc.compatMode || doc.compatMode == 'CSS1Compat') ? doc.html : doc.body;

			var page = {

				x: event.pageX || event.clientX + doc.scrollLeft,

				y: event.pageY || event.clientY + doc.scrollTop

			};

			var client = {

				x: (event.pageX) ? event.pageX - win.pageXOffset : event.clientX,

				y: (event.pageY) ? event.pageY - win.pageYOffset : event.clientY

			};

			if (type.match(/DOMMouseScroll|mousewheel/)){

				var wheel = (event.wheelDelta) ? event.wheelDelta / 120 : -(event.detail || 0) / 3;

			}

			var rightClick = (event.which == 3) || (event.button == 2);

			var related = null;

			if (type.match(/over|out/)){

				switch (type){

					case 'mouseover': related = event.relatedTarget || event.fromElement; break;

					case 'mouseout': related = event.relatedTarget || event.toElement;

				}

				if (!(function(){

					while (related && related.nodeType == 3) related = related.parentNode;

					return true;

				}).create({attempt: Browser.Engine.gecko})()) related = false;

			}

		}



		return $extend(this, {

			event: event,

			type: type,

			

			page: page,

			client: client,

			rightClick: rightClick,

			

			wheel: wheel,

			

			relatedTarget: related,

			target: target,

			

			code: code,

			key: key,

			

			shift: event.shiftKey,

			control: event.ctrlKey,

			alt: event.altKey,

			meta: event.metaKey

		});

	}



});



Event.Keys = new Hash({

	'enter': 13,

	'up': 38,

	'down': 40,

	'left': 37,

	'right': 39,

	'esc': 27,

	'space': 32,

	'backspace': 8,

	'tab': 9,

	'delete': 46

});



Event.implement({



	stop: function(){

		return this.stopPropagation().preventDefault();

	},



	stopPropagation: function(){

		if (this.event.stopPropagation) this.event.stopPropagation();

		else this.event.cancelBubble = true;

		return this;

	},



	preventDefault: function(){

		if (this.event.preventDefault) this.event.preventDefault();

		else this.event.returnValue = false;

		return this;

	}



});



/*

Script: Class.js

	Contains the Class Function for easily creating, extending, and implementing reusable Classes.



License:

	MIT-style license.

*/



var Class = new Native({



	name: 'Class',



	initialize: function(properties){

		properties = properties || {};

		var klass = function(empty){

			for (var key in this) this[key] = $unlink(this[key]);

			for (var mutator in Class.Mutators){

				if (!this[mutator]) continue;

				Class.Mutators[mutator](this, this[mutator]);

				delete this[mutator];

			}



			this.constructor = klass;

			if (empty === $empty) return this;

			

			var self = (this.initialize) ? this.initialize.apply(this, arguments) : this;

			if (this.options && this.options.initialize) this.options.initialize.call(this);

			return self;

		};



		$extend(klass, this);

		klass.constructor = Class;

		klass.prototype = properties;

		return klass;

	}



});



Class.implement({



	implement: function(){

		Class.Mutators.Implements(this.prototype, Array.slice(arguments));

		return this;

	}



});



Class.Mutators = {

  

  Implements: function(self, klasses){

  	$splat(klasses).each(function(klass){

  		$extend(self, ($type(klass) == 'class') ? new klass($empty) : klass);

  	});

  },

  

  Extends: function(self, klass){

  	var instance = new klass($empty);

  	delete instance.parent;

  	delete instance.parentOf;



  	for (var key in instance){

  		var current = self[key], previous = instance[key];

  		if (current == undefined){

  			self[key] = previous;

  			continue;

  		}



  		var ctype = $type(current), ptype = $type(previous);

  		if (ctype != ptype) continue;



  		switch (ctype){

  			case 'function': 

  				// this code will be only executed if the current browser does not support function.caller (currently only opera).

  				// we replace the function code with brute force. Not pretty, but it will only be executed if function.caller is not supported.



  				if (!arguments.callee.caller) self[key] = eval('(' + String(current).replace(/\bthis\.parent\(\s*(\))?/g, function(full, close){

  					return 'arguments.callee._parent_.call(this' + (close || ', ');

  				}) + ')');



  				// end "opera" code

  				self[key]._parent_ = previous;

  			  break;

  			case 'object': self[key] = $merge(previous, current);

  		}



  	}



  	self.parent = function(){

  		return arguments.callee.caller._parent_.apply(this, arguments);

  	};



  	self.parentOf = function(descendant){

  		return descendant._parent_.apply(this, Array.slice(arguments, 1));

  	};

  }

  

};





/*

Script: Class.Extras.js

	Contains Utility Classes that can be implemented into your own Classes to ease the execution of many common tasks.



License:

	MIT-style license.

*/



var Chain = new Class({



	chain: function(){

		this.$chain = (this.$chain || []).extend(arguments);

		return this;

	},



	callChain: function(){

		return (this.$chain && this.$chain.length) ? this.$chain.shift().apply(this, arguments) : false;

	},



	clearChain: function(){

		if (this.$chain) this.$chain.empty();

		return this;

	}



});



var Events = new Class({



	addEvent: function(type, fn, internal){

		type = Events.removeOn(type);

		if (fn != $empty){

			this.$events = this.$events || {};

			this.$events[type] = this.$events[type] || [];

			this.$events[type].include(fn);

			if (internal) fn.internal = true;

		}

		return this;

	},



	addEvents: function(events){

		for (var type in events) this.addEvent(type, events[type]);

		return this;

	},



	fireEvent: function(type, args, delay){

		type = Events.removeOn(type);

		if (!this.$events || !this.$events[type]) return this;

		this.$events[type].each(function(fn){

			fn.create({'bind': this, 'delay': delay, 'arguments': args})();

		}, this);

		return this;

	},



	removeEvent: function(type, fn){

		type = Events.removeOn(type);

		if (!this.$events || !this.$events[type]) return this;

		if (!fn.internal) this.$events[type].erase(fn);

		return this;

	},



	removeEvents: function(type){

		for (var e in this.$events){

			if (type && type != e) continue;

			var fns = this.$events[e];

			for (var i = fns.length; i--; i) this.removeEvent(e, fns[i]);

		}

		return this;

	}



});



Events.removeOn = function(string){

	return string.replace(/^on([A-Z])/, function(full, first) {

		return first.toLowerCase();

	});

};



var Options = new Class({



	setOptions: function(){

		this.options = $merge.run([this.options].extend(arguments));

		if (!this.addEvent) return this;

		for (var option in this.options){

			if ($type(this.options[option]) != 'function' || !(/^on[A-Z]/).test(option)) continue;

			this.addEvent(option, this.options[option]);

			delete this.options[option];

		}

		return this;

	}



});



/*

Script: Element.js

	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.



License:

	MIT-style license.

*/



Document.implement({



	newElement: function(tag, props){

		if (Browser.Engine.trident && props){

			['name', 'type', 'checked'].each(function(attribute){

				if (!props[attribute]) return;

				tag += ' ' + attribute + '="' + props[attribute] + '"';

				if (attribute != 'checked') delete props[attribute];

			});

			tag = '<' + tag + '>';

		}

		return $.element(this.createElement(tag)).set(props);

	},



	newTextNode: function(text){

		return this.createTextNode(text);

	},



	getDocument: function(){

		return this;

	},



	getWindow: function(){

		return this.defaultView || this.parentWindow;

	},



	purge: function(){

		var elements = this.getElementsByTagName('*');

		for (var i = 0, l = elements.length; i < l; i++) Browser.freeMem(elements[i]);

	}



});



var Element = new Native({



	name: 'Element',



	legacy: window.Element,



	initialize: function(tag, props){

		var konstructor = Element.Constructors.get(tag);

		if (konstructor) return konstructor(props);

		if (typeof tag == 'string') return document.newElement(tag, props);

		return $(tag).set(props);

	},



	afterImplement: function(key, value){

		if (!Array[key]) Elements.implement(key, Elements.multi(key));

		Element.Prototype[key] = value;

	}



});



Element.Prototype = {$family: {name: 'element'}};



Element.Constructors = new Hash;



var IFrame = new Native({



	name: 'IFrame',



	generics: false,



	initialize: function(){

		var params = Array.link(arguments, {properties: Object.type, iframe: $defined});

		var props = params.properties || {};

		var iframe = $(params.iframe) || false;

		var onload = props.onload || $empty;

		delete props.onload;

		props.id = props.name = $pick(props.id, props.name, iframe.id, iframe.name, 'IFrame_' + $time());

		iframe = new Element(iframe || 'iframe', props);

		var onFrameLoad = function(){

			var host = $try(function(){

				return iframe.contentWindow.location.host;

			});

			if (host && host == window.location.host){

				var win = new Window(iframe.contentWindow);

				var doc = new Document(iframe.contentWindow.document);

				$extend(win.Element.prototype, Element.Prototype);

			}

			onload.call(iframe.contentWindow, iframe.contentWindow.document);

		};

		(!window.frames[props.id]) ? iframe.addListener('load', onFrameLoad) : onFrameLoad();

		return iframe;

	}



});



var Elements = new Native({



	initialize: function(elements, options){

		options = $extend({ddup: true, cash: true}, options);

		elements = elements || [];

		if (options.ddup || options.cash){

			var uniques = {}, returned = [];

			for (var i = 0, l = elements.length; i < l; i++){

				var el = $.element(elements[i], !options.cash);

				if (options.ddup){

					if (uniques[el.uid]) continue;

					uniques[el.uid] = true;

				}

				returned.push(el);

			}

			elements = returned;

		}

		return (options.cash) ? $extend(elements, this) : elements;

	}



});



Elements.implement({



	filter: function(filter, bind){

		if (!filter) return this;

		return new Elements(Array.filter(this, (typeof filter == 'string') ? function(item){

			return item.match(filter);

		} : filter, bind));

	}



});



Elements.multi = function(property){

	return function(){

		var items = [];

		var elements = true;

		for (var i = 0, j = this.length; i < j; i++){

			var returns = this[i][property].apply(this[i], arguments);

			items.push(returns);

			if (elements) elements = ($type(returns) == 'element');

		}

		return (elements) ? new Elements(items) : items;

	};

};



Window.implement({



	$: function(el, nocash){

		if (el && el.$family && el.uid) return el;

		var type = $type(el);

		return ($[type]) ? $[type](el, nocash, this.document) : null;

	},



	$$: function(selector){

		if (arguments.length == 1 && typeof selector == 'string') return this.document.getElements(selector);

		var elements = [];

		var args = Array.flatten(arguments);

		for (var i = 0, l = args.length; i < l; i++){

			var item = args[i];

			switch ($type(item)){

				case 'element': item = [item]; break;

				case 'string': item = this.document.getElements(item, true); break;

				default: item = false;

			}

			if (item) elements.extend(item);

		}

		return new Elements(elements);

	},



	getDocument: function(){

		return this.document;

	},



	getWindow: function(){

		return this;

	}



});



$.string = function(id, nocash, doc){

	id = doc.getElementById(id);

	return (id) ? $.element(id, nocash) : null;

};



$.element = function(el, nocash){

	$uid(el);

	if (!nocash && !el.$family && !(/^object|embed$/i).test(el.tagName)){

		var proto = Element.Prototype;

		for (var p in proto) el[p] = proto[p];

	};

	return el;

};



$.object = function(obj, nocash, doc){

	if (obj.toElement) return $.element(obj.toElement(doc), nocash);

	return null;

};



$.textnode = $.whitespace = $.window = $.document = $arguments(0);



Native.implement([Element, Document], {



	getElement: function(selector, nocash){

		return $(this.getElements(selector, true)[0] || null, nocash);

	},



	getElements: function(tags, nocash){

		tags = tags.split(',');

		var elements = [];

		var ddup = (tags.length > 1);

		tags.each(function(tag){

			var partial = this.getElementsByTagName(tag.trim());

			(ddup) ? elements.extend(partial) : elements = partial;

		}, this);

		return new Elements(elements, {ddup: ddup, cash: !nocash});

	}



});



Element.Storage = {



	get: function(uid){

		return (this[uid] || (this[uid] = {}));

	}



};



Element.Inserters = new Hash({



	before: function(context, element){

		if (element.parentNode) element.parentNode.insertBefore(context, element);

	},



	after: function(context, element){

		if (!element.parentNode) return;

		var next = element.nextSibling;

		(next) ? element.parentNode.insertBefore(context, next) : element.parentNode.appendChild(context);

	},



	bottom: function(context, element){

		element.appendChild(context);

	},



	top: function(context, element){

		var first = element.firstChild;

		(first) ? element.insertBefore(context, first) : element.appendChild(context);

	}



});



Element.Inserters.inside = Element.Inserters.bottom;



Element.Inserters.each(function(value, key){



	var Key = key.capitalize();



	Element.implement('inject' + Key, function(el){

		value(this, $(el, true));

		return this;

	});



	Element.implement('grab' + Key, function(el){

		value($(el, true), this);

		return this;

	});



});



Element.implement({



	getDocument: function(){

		return this.ownerDocument;

	},



	getWindow: function(){

		return this.ownerDocument.getWindow();

	},



	getElementById: function(id, nocash){

		var el = this.ownerDocument.getElementById(id);

		if (!el) return null;

		for (var parent = el.parentNode; parent != this; parent = parent.parentNode){

			if (!parent) return null;

		}

		return $.element(el, nocash);

	},



	set: function(prop, value){

		switch ($type(prop)){

			case 'object':

				for (var p in prop) this.set(p, prop[p]);

				break;

			case 'string':

				var property = Element.Properties.get(prop);

				(property && property.set) ? property.set.apply(this, Array.slice(arguments, 1)) : this.setProperty(prop, value);

		}

		return this;

	},



	get: function(prop){

		var property = Element.Properties.get(prop);

		return (property && property.get) ? property.get.apply(this, Array.slice(arguments, 1)) : this.getProperty(prop);

	},



	erase: function(prop){

		var property = Element.Properties.get(prop);

		(property && property.erase) ? property.erase.apply(this, Array.slice(arguments, 1)) : this.removeProperty(prop);

		return this;

	},



	match: function(tag){

		return (!tag || Element.get(this, 'tag') == tag);

	},



	inject: function(el, where){

		Element.Inserters.get(where || 'bottom')(this, $(el, true));

		return this;

	},



	wraps: function(el, where){

		el = $(el, true);

		return this.replaces(el).grab(el, where);

	},



	grab: function(el, where){

		Element.Inserters.get(where || 'bottom')($(el, true), this);

		return this;

	},



	appendText: function(text, where){

		return this.grab(this.getDocument().newTextNode(text), where);

	},



	adopt: function(){

		Array.flatten(arguments).each(function(element){

			element = $(element, true);

			if (element) this.appendChild(element);

		}, this);

		return this;

	},



	dispose: function(){

		return (this.parentNode) ? this.parentNode.removeChild(this) : this;

	},



	clone: function(contents, keepid){

		switch ($type(this)){

			case 'element':

				var attributes = {};

				for (var j = 0, l = this.attributes.length; j < l; j++){

					var attribute = this.attributes[j], key = attribute.nodeName.toLowerCase();

					if (Browser.Engine.trident && (/input/i).test(this.tagName) && (/width|height/).test(key)) continue;

					var value = (key == 'style' && this.style) ? this.style.cssText : attribute.nodeValue;

					if (!$chk(value) || key == 'uid' || (key == 'id' && !keepid)) continue;

					if (value != 'inherit' && ['string', 'number'].contains($type(value))) attributes[key] = value;

				}

				var element = new Element(this.nodeName.toLowerCase(), attributes);

				if (contents !== false){

					for (var i = 0, k = this.childNodes.length; i < k; i++){

						var child = Element.clone(this.childNodes[i], true, keepid);

						if (child) element.grab(child);

					}

				}

				return element;

			case 'textnode': return document.newTextNode(this.nodeValue);

		}

		return null;

	},



	replaces: function(el){

		el = $(el, true);

		el.parentNode.replaceChild(this, el);

		return this;

	},



	hasClass: function(className){

		return this.className.contains(className, ' ');

	},



	addClass: function(className){

		if (!this.hasClass(className)) this.className = (this.className + ' ' + className).clean();

		return this;

	},



	removeClass: function(className){

		this.className = this.className.replace(new RegExp('(^|\\s)' + className + '(?:\\s|$)'), '$1').clean();

		return this;

	},



	toggleClass: function(className){

		return this.hasClass(className) ? this.removeClass(className) : this.addClass(className);

	},



	getComputedStyle: function(property){

		if (this.currentStyle) return this.currentStyle[property.camelCase()];

		var computed = this.getWindow().getComputedStyle(this, null);

		return (computed) ? computed.getPropertyValue([property.hyphenate()]) : null;

	},



	empty: function(){

		$A(this.childNodes).each(function(node){

			Browser.freeMem(node);

			Element.empty(node);

			Element.dispose(node);

		}, this);

		return this;

	},



	destroy: function(){

		Browser.freeMem(this.empty().dispose());

		return null;

	},



	getSelected: function(){

		return new Elements($A(this.options).filter(function(option){

			return option.selected;

		}));

	},



	toQueryString: function(){

		var queryString = [];

		this.getElements('input, select, textarea').each(function(el){

			if (!el.name || el.disabled) return;

			var value = (el.tagName.toLowerCase() == 'select') ? Element.getSelected(el).map(function(opt){

				return opt.value;

			}) : ((el.type == 'radio' || el.type == 'checkbox') && !el.checked) ? null : el.value;

			$splat(value).each(function(val){

				if (val) queryString.push(el.name + '=' + encodeURIComponent(val));

			});

		});

		return queryString.join('&');

	},



	getProperty: function(attribute){

		var EA = Element.Attributes, key = EA.Props[attribute];

		var value = (key) ? this[key] : this.getAttribute(attribute, 2);

		return (EA.Bools[attribute]) ? !!value : (key) ? value : value || null;

	},



	getProperties: function(){

		var args = $A(arguments);

		return args.map(function(attr){

			return this.getProperty(attr);

		}, this).associate(args);

	},



	setProperty: function(attribute, value){

		var EA = Element.Attributes, key = EA.Props[attribute], hasValue = $defined(value);

		if (key && EA.Bools[attribute]) value = (value || !hasValue) ? true : false;

		else if (!hasValue) return this.removeProperty(attribute);

		(key) ? this[key] = value : this.setAttribute(attribute, value);

		return this;

	},



	setProperties: function(attributes){

		for (var attribute in attributes) this.setProperty(attribute, attributes[attribute]);

		return this;

	},



	removeProperty: function(attribute){

		var EA = Element.Attributes, key = EA.Props[attribute], isBool = (key && EA.Bools[attribute]);

		(key) ? this[key] = (isBool) ? false : '' : this.removeAttribute(attribute);

		return this;

	},



	removeProperties: function(){

		Array.each(arguments, this.removeProperty, this);

		return this;

	}



});



(function(){



var walk = function(element, walk, start, match, all, nocash){

	var el = element[start || walk];

	var elements = [];

	while (el){

		if (el.nodeType == 1 && (!match || Element.match(el, match))){

			elements.push(el);

			if (!all) break;

		}

		el = el[walk];

	}

	return (all) ? new Elements(elements, {ddup: false, cash: !nocash}) : $(elements[0], nocash);

};



Element.implement({



	getPrevious: function(match, nocash){

		return walk(this, 'previousSibling', null, match, false, nocash);

	},



	getAllPrevious: function(match, nocash){

		return walk(this, 'previousSibling', null, match, true, nocash);

	},



	getNext: function(match, nocash){

		return walk(this, 'nextSibling', null, match, false, nocash);

	},



	getAllNext: function(match, nocash){

		return walk(this, 'nextSibling', null, match, true, nocash);

	},



	getFirst: function(match, nocash){

		return walk(this, 'nextSibling', 'firstChild', match, false, nocash);

	},



	getLast: function(match, nocash){

		return walk(this, 'previousSibling', 'lastChild', match, false, nocash);

	},



	getParent: function(match, nocash){

		return walk(this, 'parentNode', null, match, false, nocash);

	},



	getParents: function(match, nocash){

		return walk(this, 'parentNode', null, match, true, nocash);

	},



	getChildren: function(match, nocash){

		return walk(this, 'nextSibling', 'firstChild', match, true, nocash);

	},



	hasChild: function(el){

		el = $(el, true);

		return (!!el && $A(this.getElementsByTagName(el.tagName)).contains(el));

	}



});



})();



Element.Properties = new Hash;



Element.Properties.style = {



	set: function(style){

		this.style.cssText = style;

	},



	get: function(){

		return this.style.cssText;

	},



	erase: function(){

		this.style.cssText = '';

	}



};



Element.Properties.tag = {get: function(){

	return this.tagName.toLowerCase();

}};



Element.Properties.href = {get: function(){

	return (!this.href) ? null : this.href.replace(new RegExp('^' + document.location.protocol + '\/\/' + document.location.host), '');

}};



Element.Properties.html = {set: function(){

	return this.innerHTML = Array.flatten(arguments).join('');

}};



Native.implement([Element, Window, Document], {



	addListener: function(type, fn){

		if (this.addEventListener) this.addEventListener(type, fn, false);

		else this.attachEvent('on' + type, fn);

		return this;

	},



	removeListener: function(type, fn){

		if (this.removeEventListener) this.removeEventListener(type, fn, false);

		else this.detachEvent('on' + type, fn);

		return this;

	},



	retrieve: function(property, dflt){

		var storage = Element.Storage.get(this.uid);

		var prop = storage[property];

		if ($defined(dflt) && !$defined(prop)) prop = storage[property] = dflt;

		return $pick(prop);

	},



	store: function(property, value){

		var storage = Element.Storage.get(this.uid);

		storage[property] = value;

		return this;

	},



	eliminate: function(property){

		var storage = Element.Storage.get(this.uid);

		delete storage[property];

		return this;

	}



});



Element.Attributes = new Hash({

	Props: {'html': 'innerHTML', 'class': 'className', 'for': 'htmlFor', 'text': (Browser.Engine.trident) ? 'innerText' : 'textContent'},

	Bools: ['compact', 'nowrap', 'ismap', 'declare', 'noshade', 'checked', 'disabled', 'readonly', 'multiple', 'selected', 'noresize', 'defer'],

	Camels: ['value', 'accessKey', 'cellPadding', 'cellSpacing', 'colSpan', 'frameBorder', 'maxLength', 'readOnly', 'rowSpan', 'tabIndex', 'useMap']

});



Browser.freeMem = function(item){

	if (!item) return;

	if (Browser.Engine.trident && (/object/i).test(item.tagName)){

		for (var p in item){

			if (typeof item[p] == 'function') item[p] = $empty;

		}

		Element.dispose(item);

	}

	if (item.uid && item.removeEvents) item.removeEvents();

};



(function(EA){



	var EAB = EA.Bools, EAC = EA.Camels;

	EA.Bools = EAB = EAB.associate(EAB);

	Hash.extend(Hash.combine(EA.Props, EAB), EAC.associate(EAC.map(function(v){

		return v.toLowerCase();

	})));

	EA.erase('Camels');



})(Element.Attributes);



window.addListener('unload', function(){

	window.removeListener('unload', arguments.callee);

	document.purge();

	if (Browser.Engine.trident) CollectGarbage();

});



/*

Script: Element.Event.js

	Contains Element methods for dealing with events, and custom Events.



License:

	MIT-style license.

*/



Element.Properties.events = {set: function(events){

	this.addEvents(events);

}};



Native.implement([Element, Window, Document], {



	addEvent: function(type, fn){

		var events = this.retrieve('events', {});

		events[type] = events[type] || {'keys': [], 'values': []};

		if (events[type].keys.contains(fn)) return this;

		events[type].keys.push(fn);

		var realType = type, custom = Element.Events.get(type), condition = fn, self = this;

		if (custom){

			if (custom.onAdd) custom.onAdd.call(this, fn);

			if (custom.condition){

				condition = function(event){

					if (custom.condition.call(this, event)) return fn.call(this, event);

					return false;

				};

			}

			realType = custom.base || realType;

		}

		var defn = function(){

			return fn.call(self);

		};

		var nativeEvent = Element.NativeEvents[realType] || 0;

		if (nativeEvent){

			if (nativeEvent == 2){

				defn = function(event){

					event = new Event(event, self.getWindow());

					if (condition.call(self, event) === false) event.stop();

				};

			}

			this.addListener(realType, defn);

		}

		events[type].values.push(defn);

		return this;

	},



	removeEvent: function(type, fn){

		var events = this.retrieve('events');

		if (!events || !events[type]) return this;

		var pos = events[type].keys.indexOf(fn);

		if (pos == -1) return this;

		var key = events[type].keys.splice(pos, 1)[0];

		var value = events[type].values.splice(pos, 1)[0];

		var custom = Element.Events.get(type);

		if (custom){

			if (custom.onRemove) custom.onRemove.call(this, fn);

			type = custom.base || type;

		}

		return (Element.NativeEvents[type]) ? this.removeListener(type, value) : this;

	},



	addEvents: function(events){

		for (var event in events) this.addEvent(event, events[event]);

		return this;

	},



	removeEvents: function(type){

		var events = this.retrieve('events');

		if (!events) return this;

		if (!type){

			for (var evType in events) this.removeEvents(evType);

			events = null;

		} else if (events[type]){

			while (events[type].keys[0]) this.removeEvent(type, events[type].keys[0]);

			events[type] = null;

		}

		return this;

	},



	fireEvent: function(type, args, delay){

		var events = this.retrieve('events');

		if (!events || !events[type]) return this;

		events[type].keys.each(function(fn){

			fn.create({'bind': this, 'delay': delay, 'arguments': args})();

		}, this);

		return this;

	},



	cloneEvents: function(from, type){

		from = $(from);

		var fevents = from.retrieve('events');

		if (!fevents) return this;

		if (!type){

			for (var evType in fevents) this.cloneEvents(from, evType);

		} else if (fevents[type]){

			fevents[type].keys.each(function(fn){

				this.addEvent(type, fn);

			}, this);

		}

		return this;

	}



});



Element.NativeEvents = {

	click: 2, dblclick: 2, mouseup: 2, mousedown: 2, contextmenu: 2, //mouse buttons

	mousewheel: 2, DOMMouseScroll: 2, //mouse wheel

	mouseover: 2, mouseout: 2, mousemove: 2, selectstart: 2, selectend: 2, //mouse movement

	keydown: 2, keypress: 2, keyup: 2, //keyboard

	focus: 2, blur: 2, change: 2, reset: 2, select: 2, submit: 2, //form elements

	load: 1, unload: 1, beforeunload: 2, resize: 1, move: 1, DOMContentLoaded: 1, readystatechange: 1, //window

	error: 1, abort: 1, scroll: 1 //misc

};



(function(){



var $check = function(event){

	var related = event.relatedTarget;

	if (related == undefined) return true;

	if (related === false) return false;

	return ($type(this) != 'document' && related != this && related.prefix != 'xul' && !this.hasChild(related));

};



Element.Events = new Hash({



	mouseenter: {

		base: 'mouseover',

		condition: $check

	},



	mouseleave: {

		base: 'mouseout',

		condition: $check

	},



	mousewheel: {

		base: (Browser.Engine.gecko) ? 'DOMMouseScroll' : 'mousewheel'

	}



});



})();



/*

Script: Element.Style.js

	Contains methods for interacting with the styles of Elements in a fashionable way.



License:

	MIT-style license.

*/



Element.Properties.styles = {set: function(styles){

	this.setStyles(styles);

}};



Element.Properties.opacity = {



	set: function(opacity, novisibility){

		if (!novisibility){

			if (opacity == 0){

				if (this.style.visibility != 'hidden') this.style.visibility = 'hidden';

			} else {

				if (this.style.visibility != 'visible') this.style.visibility = 'visible';

			}

		}

		if (!this.currentStyle || !this.currentStyle.hasLayout) this.style.zoom = 1;

		if (Browser.Engine.trident) this.style.filter = (opacity == 1) ? '' : 'alpha(opacity=' + opacity * 100 + ')';

		this.style.opacity = opacity;

		this.store('opacity', opacity);

	},



	get: function(){

		return this.retrieve('opacity', 1);

	}



};



Element.implement({

	

	setOpacity: function(value){

		return this.set('opacity', value, true);

	},

	

	getOpacity: function(){

		return this.get('opacity');

	},



	setStyle: function(property, value){

		switch (property){

			case 'opacity': return this.set('opacity', parseFloat(value));

			case 'float': property = (Browser.Engine.trident) ? 'styleFloat' : 'cssFloat';

		}

		property = property.camelCase();

		if ($type(value) != 'string'){

			var map = (Element.Styles.get(property) || '@').split(' ');

			value = $splat(value).map(function(val, i){

				if (!map[i]) return '';

				return ($type(val) == 'number') ? map[i].replace('@', Math.round(val)) : val;

			}).join(' ');

		} else if (value == String(Number(value))){

			value = Math.round(value);

		}

		this.style[property] = value;

		return this;

	},



	getStyle: function(property){

		switch (property){

			case 'opacity': return this.get('opacity');

			case 'float': property = (Browser.Engine.trident) ? 'styleFloat' : 'cssFloat';

		}

		property = property.camelCase();

		var result = this.style[property];

		if (!$chk(result)){

			result = [];

			for (var style in Element.ShortStyles){

				if (property != style) continue;

				for (var s in Element.ShortStyles[style]) result.push(this.getStyle(s));

				return result.join(' ');

			}

			result = this.getComputedStyle(property);

		}

		if (result){

			result = String(result);

			var color = result.match(/rgba?\([\d\s,]+\)/);

			if (color) result = result.replace(color[0], color[0].rgbToHex());

		}

		if (Browser.Engine.presto || (Browser.Engine.trident && !$chk(parseInt(result)))){

			if (property.test(/^(height|width)$/)){

				var values = (property == 'width') ? ['left', 'right'] : ['top', 'bottom'], size = 0;

				values.each(function(value){

					size += this.getStyle('border-' + value + '-width').toInt() + this.getStyle('padding-' + value).toInt();

				}, this);

				return this['offset' + property.capitalize()] - size + 'px';

			}

			if (Browser.Engine.presto && String(result).test('px')) return result;

			if (property.test(/(border(.+)Width|margin|padding)/)) return '0px';

		}

		return result;

	},



	setStyles: function(styles){

		for (var style in styles) this.setStyle(style, styles[style]);

		return this;

	},



	getStyles: function(){

		var result = {};

		Array.each(arguments, function(key){

			result[key] = this.getStyle(key);

		}, this);

		return result;

	}



});



Element.Styles = new Hash({

	left: '@px', top: '@px', bottom: '@px', right: '@px',

	width: '@px', height: '@px', maxWidth: '@px', maxHeight: '@px', minWidth: '@px', minHeight: '@px',

	backgroundColor: 'rgb(@, @, @)', backgroundPosition: '@px @px', color: 'rgb(@, @, @)',

	fontSize: '@px', letterSpacing: '@px', lineHeight: '@px', clip: 'rect(@px @px @px @px)',

	margin: '@px @px @px @px', padding: '@px @px @px @px', border: '@px @ rgb(@, @, @) @px @ rgb(@, @, @) @px @ rgb(@, @, @)',

	borderWidth: '@px @px @px @px', borderStyle: '@ @ @ @', borderColor: 'rgb(@, @, @) rgb(@, @, @) rgb(@, @, @) rgb(@, @, @)',

	zIndex: '@', 'zoom': '@', fontWeight: '@', textIndent: '@px', opacity: '@'

});



Element.ShortStyles = {margin: {}, padding: {}, border: {}, borderWidth: {}, borderStyle: {}, borderColor: {}};



['Top', 'Right', 'Bottom', 'Left'].each(function(direction){

	var Short = Element.ShortStyles;

	var All = Element.Styles;

	['margin', 'padding'].each(function(style){

		var sd = style + direction;

		Short[style][sd] = All[sd] = '@px';

	});

	var bd = 'border' + direction;

	Short.border[bd] = All[bd] = '@px @ rgb(@, @, @)';

	var bdw = bd + 'Width', bds = bd + 'Style', bdc = bd + 'Color';

	Short[bd] = {};

	Short.borderWidth[bdw] = Short[bd][bdw] = All[bdw] = '@px';

	Short.borderStyle[bds] = Short[bd][bds] = All[bds] = '@';

	Short.borderColor[bdc] = Short[bd][bdc] = All[bdc] = 'rgb(@, @, @)';

});





/*

Script: Element.Dimensions.js

	Contains methods to work with size, scroll, or positioning of Elements and the window object.



License:

	MIT-style license.



Credits:

	- Element positioning based on the [qooxdoo](http://qooxdoo.org/) code and smart browser fixes, [LGPL License](http://www.gnu.org/licenses/lgpl.html).

	- Viewport dimensions based on [YUI](http://developer.yahoo.com/yui/) code, [BSD License](http://developer.yahoo.com/yui/license.html).

*/



(function(){



Element.implement({



	scrollTo: function(x, y){

		if (isBody(this)){

			this.getWindow().scrollTo(x, y);

		} else {

			this.scrollLeft = x;

			this.scrollTop = y;

		}

		return this;

	},



	getSize: function(){

		if (isBody(this)) return this.getWindow().getSize();

		return {x: this.offsetWidth, y: this.offsetHeight};

	},



	getScrollSize: function(){

		if (isBody(this)) return this.getWindow().getScrollSize();

		return {x: this.scrollWidth, y: this.scrollHeight};

	},



	getScroll: function(){

		if (isBody(this)) return this.getWindow().getScroll();

		return {x: this.scrollLeft, y: this.scrollTop};

	},



	getScrolls: function(){

		var element = this, position = {x: 0, y: 0};

		while (element && !isBody(element)){

			position.x += element.scrollLeft;

			position.y += element.scrollTop;

			element = element.parentNode;

		}

		return position;

	},

	

	getOffsetParent: function(){

		var element = this;

		if (isBody(element)) return null; 

		if (!Browser.Engine.trident) return element.offsetParent;

		while ((element = element.parentNode) && !isBody(element)){ 

			if (styleString(element, 'position') != 'static') return element;

		} 

		return null;

	},



	getOffsets: function(){

		var element = this, position = {x: 0, y: 0};

		if (isBody(this)) return position;



		while (element && !isBody(element)){

			position.x += element.offsetLeft;

			position.y += element.offsetTop;



			if (Browser.Engine.gecko){

				if (!borderBox(element)){

					position.x += leftBorder(element);

					position.y += topBorder(element);

				}

				var parent = element.parentNode;

				if (parent && styleString(parent, 'overflow') != 'visible'){

					position.x += leftBorder(parent);

					position.y += topBorder(parent);

				}

			} else if (element != this && (Browser.Engine.trident || Browser.Engine.webkit)){

				position.x += leftBorder(element);

				position.y += topBorder(element);

			}



			element = element.offsetParent;

			if (Browser.Engine.trident){

				while (element && !element.currentStyle.hasLayout) element = element.offsetParent;

			}

		}

		if (Browser.Engine.gecko && !borderBox(this)){

			position.x -= leftBorder(this);

			position.y -= topBorder(this);

		}

		return position;

	},



	getPosition: function(relative){

		if (isBody(this)) return {x: 0, y: 0};

		var offset = this.getOffsets(), scroll = this.getScrolls();

		var position = {x: offset.x - scroll.x, y: offset.y - scroll.y};

		var relativePosition = (relative && (relative = $(relative))) ? relative.getPosition() : {x: 0, y: 0};

		return {x: position.x - relativePosition.x, y: position.y - relativePosition.y};

	},



	getCoordinates: function(element){

		if (isBody(this)) return this.getWindow().getCoordinates();

		var position = this.getPosition(element), size = this.getSize();

		var obj = {left: position.x, top: position.y, width: size.x, height: size.y};

		obj.right = obj.left + obj.width;

		obj.bottom = obj.top + obj.height;

		return obj;

	},



	computePosition: function(obj){

		return {left: obj.x - styleNumber(this, 'margin-left'), top: obj.y - styleNumber(this, 'margin-top')};

	},



	position: function(obj){

		return this.setStyles(this.computePosition(obj));

	}



});



Native.implement([Document, Window], {



	getSize: function(){

		var win = this.getWindow();

		if (Browser.Engine.presto || Browser.Engine.webkit) return {x: win.innerWidth, y: win.innerHeight};

		var doc = getCompatElement(this);

		return {x: doc.clientWidth, y: doc.clientHeight};

	},



	getScroll: function(){

		var win = this.getWindow();

		var doc = getCompatElement(this);

		return {x: win.pageXOffset || doc.scrollLeft, y: win.pageYOffset || doc.scrollTop};

	},



	getScrollSize: function(){

		var doc = getCompatElement(this);

		var min = this.getSize();

		return {x: Math.max(doc.scrollWidth, min.x), y: Math.max(doc.scrollHeight, min.y)};

	},



	getPosition: function(){

		return {x: 0, y: 0};

	},



	getCoordinates: function(){

		var size = this.getSize();

		return {top: 0, left: 0, bottom: size.y, right: size.x, height: size.y, width: size.x};

	}



});



// private methods



var styleString = Element.getComputedStyle;



function styleNumber(element, style){

	return styleString(element, style).toInt() || 0;

};



function borderBox(element){

	return styleString(element, '-moz-box-sizing') == 'border-box';

};



function topBorder(element){

	return styleNumber(element, 'border-top-width');

};



function leftBorder(element){

	return styleNumber(element, 'border-left-width');

};



function isBody(element){

	return (/^(?:body|html)$/i).test(element.tagName);

};



function getCompatElement(element){

	var doc = element.getDocument();

	return (!doc.compatMode || doc.compatMode == 'CSS1Compat') ? doc.html : doc.body;

};



})();



//aliases



Native.implement([Window, Document, Element], {



	getHeight: function(){

		return this.getSize().y;

	},



	getWidth: function(){

		return this.getSize().x;

	},



	getScrollTop: function(){

		return this.getScroll().y;

	},



	getScrollLeft: function(){

		return this.getScroll().x;

	},



	getScrollHeight: function(){

		return this.getScrollSize().y;

	},



	getScrollWidth: function(){

		return this.getScrollSize().x;

	},



	getTop: function(){

		return this.getPosition().y;

	},



	getLeft: function(){

		return this.getPosition().x;

	}



});



/*

Script: Selectors.js

	Adds advanced CSS Querying capabilities for targeting elements. Also includes pseudoselectors support.



License:

	MIT-style license.

*/



Native.implement([Document, Element], {

	

	getElements: function(expression, nocash){

		expression = expression.split(',');

		var items, local = {};

		for (var i = 0, l = expression.length; i < l; i++){

			var selector = expression[i], elements = Selectors.Utils.search(this, selector, local);

			if (i != 0 && elements.item) elements = $A(elements);

			items = (i == 0) ? elements : (items.item) ? $A(items).concat(elements) : items.concat(elements);

		}

		return new Elements(items, {ddup: (expression.length > 1), cash: !nocash});

	}

	

});



Element.implement({

	

	match: function(selector){

		if (!selector) return true;

		var tagid = Selectors.Utils.parseTagAndID(selector);

		var tag = tagid[0], id = tagid[1];

		if (!Selectors.Filters.byID(this, id) || !Selectors.Filters.byTag(this, tag)) return false;

		var parsed = Selectors.Utils.parseSelector(selector);

		return (parsed) ? Selectors.Utils.filter(this, parsed, {}) : true;

	}

	

});



var Selectors = {Cache: {nth: {}, parsed: {}}};



Selectors.RegExps = {

	id: (/#([\w-]+)/),

	tag: (/^(\w+|\*)/),

	quick: (/^(\w+|\*)$/),

	splitter: (/\s*([+>~\s])\s*([a-zA-Z#.*:\[])/g),

	combined: (/\.([\w-]+)|\[(\w+)(?:([!*^$~|]?=)["']?(.*?)["']?)?\]|:([\w-]+)(?:\(["']?(.*?)?["']?\)|$)/g)

};



Selectors.Utils = {

	

	chk: function(item, uniques){

		if (!uniques) return true;

		var uid = $uid(item);

		if (!uniques[uid]) return uniques[uid] = true;

		return false;

	},

	

	parseNthArgument: function(argument){

		if (Selectors.Cache.nth[argument]) return Selectors.Cache.nth[argument];

		var parsed = argument.match(/^([+-]?\d*)?([a-z]+)?([+-]?\d*)?$/);

		if (!parsed) return false;

		var inta = parseInt(parsed[1]);

		var a = (inta || inta === 0) ? inta : 1;

		var special = parsed[2] || false;

		var b = parseInt(parsed[3]) || 0;

		if (a != 0){

			b--;

			while (b < 1) b += a;

			while (b >= a) b -= a;

		} else {

			a = b;

			special = 'index';

		}

		switch (special){

			case 'n': parsed = {a: a, b: b, special: 'n'}; break;

			case 'odd': parsed = {a: 2, b: 0, special: 'n'}; break;

			case 'even': parsed =  {a: 2, b: 1, special: 'n'}; break;

			case 'first': parsed = {a: 0, special: 'index'}; break;

			case 'last': parsed = {special: 'last-child'}; break;

			case 'only': parsed = {special: 'only-child'}; break;

			default: parsed = {a: (a - 1), special: 'index'};

		}

		

		return Selectors.Cache.nth[argument] = parsed;

	},

	

	parseSelector: function(selector){

		if (Selectors.Cache.parsed[selector]) return Selectors.Cache.parsed[selector];

		var m, parsed = {classes: [], pseudos: [], attributes: []};

		while ((m = Selectors.RegExps.combined.exec(selector))){

			var cn = m[1], an = m[2], ao = m[3], av = m[4], pn = m[5], pa = m[6];

			if (cn){

				parsed.classes.push(cn);

			} else if (pn){

				var parser = Selectors.Pseudo.get(pn);

				if (parser) parsed.pseudos.push({parser: parser, argument: pa});

				else parsed.attributes.push({name: pn, operator: '=', value: pa});

			} else if (an){

				parsed.attributes.push({name: an, operator: ao, value: av});

			}

		}

		if (!parsed.classes.length) delete parsed.classes;

		if (!parsed.attributes.length) delete parsed.attributes;

		if (!parsed.pseudos.length) delete parsed.pseudos;

		if (!parsed.classes && !parsed.attributes && !parsed.pseudos) parsed = null;

		return Selectors.Cache.parsed[selector] = parsed;

	},

	

	parseTagAndID: function(selector){

		var tag = selector.match(Selectors.RegExps.tag);

		var id = selector.match(Selectors.RegExps.id);

		return [(tag) ? tag[1] : '*', (id) ? id[1] : false];

	},

	

	filter: function(item, parsed, local){

		var i;

		if (parsed.classes){

			for (i = parsed.classes.length; i--; i){

				var cn = parsed.classes[i];



				if (!Selectors.Filters.byClass(item, cn)) return false;

			}

		}

		if (parsed.attributes){

			for (i = parsed.attributes.length; i--; i){

				var att = parsed.attributes[i];

				if (!Selectors.Filters.byAttribute(item, att.name, att.operator, att.value)) return false;

			}

		}

		if (parsed.pseudos){

			for (i = parsed.pseudos.length; i--; i){

				var psd = parsed.pseudos[i];

				if (!Selectors.Filters.byPseudo(item, psd.parser, psd.argument, local)) return false;

			}

		}

		return true;

	},

	

	getByTagAndID: function(ctx, tag, id){

		if (id){

			var item = (ctx.getElementById) ? ctx.getElementById(id, true) : Element.getElementById(ctx, id, true);

			return (item && Selectors.Filters.byTag(item, tag)) ? [item] : [];

		} else {

			return ctx.getElementsByTagName(tag);

		}

	},

	

	search: function(self, expression, local){

		var splitters = [];

		

		var selectors = expression.trim().replace(Selectors.RegExps.splitter, function(m0, m1, m2){

			splitters.push(m1);

			return ':)' + m2;

		}).split(':)');

		

		var items, match, filtered, item;

		

		for (var i = 0, l = selectors.length; i < l; i++){

			

			var selector = selectors[i];

			

			if (i == 0 && Selectors.RegExps.quick.test(selector)){

				items = self.getElementsByTagName(selector);

				continue;

			}

			

			var splitter = splitters[i - 1];

			

			var tagid = Selectors.Utils.parseTagAndID(selector);

			var tag = tagid[0], id = tagid[1];



			if (i == 0){

				items = Selectors.Utils.getByTagAndID(self, tag, id);

			} else {

				var uniques = {}, found = [];

				for (var j = 0, k = items.length; j < k; j++) found = Selectors.Getters[splitter](found, items[j], tag, id, uniques);

				items = found;

			}

			

			var parsed = Selectors.Utils.parseSelector(selector);

			

			if (parsed){

				filtered = [];

				for (var m = 0, n = items.length; m < n; m++){

					item = items[m];

					if (Selectors.Utils.filter(item, parsed, local)) filtered.push(item);

				}

				items = filtered;

			}

			

		}

		

		return items;

		

	}

	

};



Selectors.Getters = {

	

	' ': function(found, self, tag, id, uniques){

		var items = Selectors.Utils.getByTagAndID(self, tag, id);

		for (var i = 0, l = items.length; i < l; i++){

			var item = items[i];

			if (Selectors.Utils.chk(item, uniques)) found.push(item);

		}

		return found;

	},

	

	'>': function(found, self, tag, id, uniques){

		var children = Selectors.Utils.getByTagAndID(self, tag, id);

		for (var i = 0, l = children.length; i < l; i++){

			var child = children[i];

			if (child.parentNode == self && Selectors.Utils.chk(child, uniques)) found.push(child);

		}

		return found;

	},

	

	'+': function(found, self, tag, id, uniques){

		while ((self = self.nextSibling)){

			if (self.nodeType == 1){

				if (Selectors.Utils.chk(self, uniques) && Selectors.Filters.byTag(self, tag) && Selectors.Filters.byID(self, id)) found.push(self);

				break;

			}

		}

		return found;

	},

	

	'~': function(found, self, tag, id, uniques){

		

		while ((self = self.nextSibling)){

			if (self.nodeType == 1){

				if (!Selectors.Utils.chk(self, uniques)) break;

				if (Selectors.Filters.byTag(self, tag) && Selectors.Filters.byID(self, id)) found.push(self);

			} 

		}

		return found;

	}

	

};



Selectors.Filters = {

	

	byTag: function(self, tag){

		return (tag == '*' || (self.tagName && self.tagName.toLowerCase() == tag));

	},

	

	byID: function(self, id){

		return (!id || (self.id && self.id == id));

	},

	

	byClass: function(self, klass){

		return (self.className && self.className.contains(klass, ' '));

	},

	

	byPseudo: function(self, parser, argument, local){

		return parser.call(self, argument, local);

	},

	

	byAttribute: function(self, name, operator, value){

		var result = Element.prototype.getProperty.call(self, name);

		if (!result) return false;

		if (!operator || value == undefined) return true;

		switch (operator){

			case '=': return (result == value);

			case '*=': return (result.contains(value));

			case '^=': return (result.substr(0, value.length) == value);

			case '$=': return (result.substr(result.length - value.length) == value);

			case '!=': return (result != value);

			case '~=': return result.contains(value, ' ');

			case '|=': return result.contains(value, '-');

		}

		return false;

	}

	

};



Selectors.Pseudo = new Hash({

	

	// w3c pseudo selectors

	

	empty: function(){

		return !(this.innerText || this.textContent || '').length;

	},

	

	not: function(selector){

		return !Element.match(this, selector);

	},

	

	contains: function(text){

		return (this.innerText || this.textContent || '').contains(text);

	},

	

	'first-child': function(){

		return Selectors.Pseudo.index.call(this, 0);

	},

	

	'last-child': function(){

		var element = this;

		while ((element = element.nextSibling)){

			if (element.nodeType == 1) return false;

		}

		return true;

	},

	

	'only-child': function(){

		var prev = this;

		while ((prev = prev.previousSibling)){

			if (prev.nodeType == 1) return false;

		}

		var next = this;

		while ((next = next.nextSibling)){

			if (next.nodeType == 1) return false;

		}

		return true;

	},

	

	'nth-child': function(argument, local){

		argument = (argument == undefined) ? 'n' : argument;

		var parsed = Selectors.Utils.parseNthArgument(argument);

		if (parsed.special != 'n') return Selectors.Pseudo[parsed.special].call(this, parsed.a, local);

		var count = 0;

		local.positions = local.positions || {};

		var uid = $uid(this);

		if (!local.positions[uid]){

			var self = this;

			while ((self = self.previousSibling)){

				if (self.nodeType != 1) continue;

				count ++;

				var position = local.positions[$uid(self)];

				if (position != undefined){

					count = position + count;

					break;

				}

			}

			local.positions[uid] = count;

		}

		return (local.positions[uid] % parsed.a == parsed.b);

	},

	

	// custom pseudo selectors

	

	index: function(index){

		var element = this, count = 0;

		while ((element = element.previousSibling)){

			if (element.nodeType == 1 && ++count > index) return false;

		}

		return (count == index);

	},

	

	even: function(argument, local){

		return Selectors.Pseudo['nth-child'].call(this, '2n+1', local);

	},



	odd: function(argument, local){

		return Selectors.Pseudo['nth-child'].call(this, '2n', local);

	}

	

});



/*

Script: Domready.js

	Contains the domready custom event.



License:

	MIT-style license.

*/



Element.Events.domready = {



	onAdd: function(fn){

		if (Browser.loaded) fn.call(this);

	}



};



(function(){

	

	var domready = function(){

		if (Browser.loaded) return;

		Browser.loaded = true;

		window.fireEvent('domready');

		document.fireEvent('domready');

	};

	

	switch (Browser.Engine.name){



		case 'webkit': (function(){

			(['loaded', 'complete'].contains(document.readyState)) ? domready() : arguments.callee.delay(50);

		})(); break;



		case 'trident':

			var temp = document.createElement('div');

			(function(){

				($try(function(){

					temp.doScroll('left');

					return $(temp).inject(document.body).set('html', 'temp').dispose();

				})) ? domready() : arguments.callee.delay(50);

			})();

		break;

		

		default:

			window.addEvent('load', domready);

			document.addEvent('DOMContentLoaded', domready);



	}

	

})();



/*

Script: JSON.js

	JSON encoder and decoder.



License:

	MIT-style license.



See Also:

	<http://www.json.org/>

*/



var JSON = new Hash({



	encode: function(obj){

		switch ($type(obj)){

			case 'string':

				return '"' + obj.replace(/[\x00-\x1f\\"]/g, JSON.$replaceChars) + '"';

			case 'array':

				return '[' + String(obj.map(JSON.encode).filter($defined)) + ']';

			case 'object': case 'hash':

				var string = [];

				Hash.each(obj, function(value, key){

					var json = JSON.encode(value);

					if (json) string.push(JSON.encode(key) + ':' + json);

				});

				return '{' + string + '}';

			case 'number': case 'boolean': return String(obj);

			case false: return 'null';

		}

		return null;

	},



	$specialChars: {'\b': '\\b', '\t': '\\t', '\n': '\\n', '\f': '\\f', '\r': '\\r', '"' : '\\"', '\\': '\\\\'},



	$replaceChars: function(chr){

		return JSON.$specialChars[chr] || '\\u00' + Math.floor(chr.charCodeAt() / 16).toString(16) + (chr.charCodeAt() % 16).toString(16);

	},



	decode: function(string, secure){

		if ($type(string) != 'string' || !string.length) return null;

		if (secure && !(/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(string.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''))) return null;

		return eval('(' + string + ')');

	}



});



Native.implement([Hash, Array, String, Number], {



	toJSON: function(){

		return JSON.encode(this);

	}



});





/*

Script: Cookie.js

	Class for creating, loading, and saving browser Cookies.



License:

	MIT-style license.



Credits:

	Based on the functions by Peter-Paul Koch (http://quirksmode.org).

*/



var Cookie = new Class({



	Implements: Options,



	options: {

		path: false,

		domain: false,

		duration: false,

		secure: false,

		document: document

	},



	initialize: function(key, options){

		this.key = key;

		this.setOptions(options);

	},



	write: function(value){

		value = encodeURIComponent(value);

		if (this.options.domain) value += '; domain=' + this.options.domain;

		if (this.options.path) value += '; path=' + this.options.path;

		if (this.options.duration){

			var date = new Date();

			date.setTime(date.getTime() + this.options.duration * 24 * 60 * 60 * 1000);

			value += '; expires=' + date.toGMTString();

		}

		if (this.options.secure) value += '; secure';

		this.options.document.cookie = this.key + '=' + value;

		return this;

	},



	read: function(){

		var value = this.options.document.cookie.match('(?:^|;)\\s*' + this.key.escapeRegExp() + '=([^;]*)');

		return (value) ? decodeURIComponent(value[1]) : null;

	},



	dispose: function(){

		new Cookie(this.key, $merge(this.options, {duration: -1})).write('');

		return this;

	}



});



Cookie.write = function(key, value, options){

	return new Cookie(key, options).write(value);

};



Cookie.read = function(key){

	return new Cookie(key).read();

};



Cookie.dispose = function(key, options){

	return new Cookie(key, options).dispose();

};



/*

Script: Swiff.js

	Wrapper for embedding SWF movies. Supports (and fixes) External Interface Communication.



License:

	MIT-style license.



Credits:

	Flash detection & Internet Explorer + Flash Player 9 fix inspired by SWFObject.

*/



var Swiff = new Class({



	Implements: [Options],



	options: {

		id: null,

		height: 1,

		width: 1,

		container: null,

		properties: {},

		params: {

			quality: 'high',

			allowScriptAccess: 'always',

			wMode: 'transparent',

			swLiveConnect: true

		},

		callBacks: {},

		vars: {}

	},



	toElement: function(){

		return this.object;

	},



	initialize: function(path, options){

		this.instance = 'Swiff_' + $time();



		this.setOptions(options);

		options = this.options;

		var id = this.id = options.id || this.instance;

		var container = $(options.container);



		Swiff.CallBacks[this.instance] = {};



		var params = options.params, vars = options.vars, callBacks = options.callBacks;

		var properties = $extend({height: options.height, width: options.width}, options.properties);



		var self = this;



		for (var callBack in callBacks){

			Swiff.CallBacks[this.instance][callBack] = (function(option){

				return function(){

					return option.apply(self.object, arguments);

				};

			})(callBacks[callBack]);

			vars[callBack] = 'Swiff.CallBacks.' + this.instance + '.' + callBack;

		}



		params.flashVars = Hash.toQueryString(vars);

		if (Browser.Engine.trident){

			properties.classid = 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000';

			params.movie = path;

		} else {

			properties.type = 'application/x-shockwave-flash';

			properties.data = path;

		}

		var build = '<object id="' + id + '"';

		for (var property in properties) build += ' ' + property + '="' + properties[property] + '"';

		build += '>';

		for (var param in params){

			if (params[param]) build += '<param name="' + param + '" value="' + params[param] + '" />';

		}

		build += '</object>';

		this.object =  ((container) ? container.empty() : new Element('div')).set('html', build).firstChild;

	},



	replaces: function(element){

		element = $(element, true);

		element.parentNode.replaceChild(this.toElement(), element);

		return this;

	},



	inject: function(element){

		$(element, true).appendChild(this.toElement());

		return this;

	},



	remote: function(){

		return Swiff.remote.apply(Swiff, [this.toElement()].extend(arguments));

	}



});



Swiff.CallBacks = {};



Swiff.remote = function(obj, fn){

	var rs = obj.CallFunction('<invoke name="' + fn + '" returntype="javascript">' + __flash__argumentsToXML(arguments, 2) + '</invoke>');

	return eval(rs);

};



/*

Script: Fx.js

	Contains the basic animation logic to be extended by all other Fx Classes.



License:

	MIT-style license.

*/



var Fx = new Class({



	Implements: [Chain, Events, Options],



	options: {

		/*

		onStart: $empty,

		onCancel: $empty,

		onComplete: $empty,

		*/

		fps: 50,

		unit: false,

		duration: 500,

		link: 'ignore',

		transition: function(p){

			return -(Math.cos(Math.PI * p) - 1) / 2;

		}

	},



	initialize: function(options){

		this.subject = this.subject || this;

		this.setOptions(options);

		this.options.duration = Fx.Durations[this.options.duration] || this.options.duration.toInt();

		var wait = this.options.wait;

		if (wait === false) this.options.link = 'cancel';

	},



	step: function(){

		var time = $time();

		if (time < this.time + this.options.duration){

			var delta = this.options.transition((time - this.time) / this.options.duration);

			this.set(this.compute(this.from, this.to, delta));

		} else {

			this.set(this.compute(this.from, this.to, 1));

			this.complete();

		}

	},



	set: function(now){

		return now;

	},



	compute: function(from, to, delta){

		return Fx.compute(from, to, delta);

	},



	check: function(caller){

		if (!this.timer) return true;

		switch (this.options.link){

			case 'cancel': this.cancel(); return true;

			case 'chain': this.chain(caller.bind(this, Array.slice(arguments, 1))); return false;

		}

		return false;

	},



	start: function(from, to){

		if (!this.check(arguments.callee, from, to)) return this;

		this.from = from;

		this.to = to;

		this.time = 0;

		this.startTimer();

		this.onStart();

		return this;

	},



	complete: function(){

		if (this.stopTimer()) this.onComplete();

		return this;

	},



	cancel: function(){

		if (this.stopTimer()) this.onCancel();

		return this;

	},



	onStart: function(){

		this.fireEvent('start', this.subject);

	},



	onComplete: function(){

		this.fireEvent('complete', this.subject);

		if (!this.callChain()) this.fireEvent('chainComplete', this.subject);

	},



	onCancel: function(){

		this.fireEvent('cancel', this.subject).clearChain();

	},



	pause: function(){

		this.stopTimer();

		return this;

	},



	resume: function(){

		this.startTimer();

		return this;

	},



	stopTimer: function(){

		if (!this.timer) return false;

		this.time = $time() - this.time;

		this.timer = $clear(this.timer);

		return true;

	},



	startTimer: function(){

		if (this.timer) return false;

		this.time = $time() - this.time;

		this.timer = this.step.periodical(Math.round(1000 / this.options.fps), this);

		return true;

	}



});



Fx.compute = function(from, to, delta){

	return (to - from) * delta + from;

};



Fx.Durations = {'short': 250, 'normal': 500, 'long': 1000};





/*

Script: Fx.CSS.js

	Contains the CSS animation logic. Used by Fx.Tween, Fx.Morph, Fx.Elements.



License:

	MIT-style license.

*/



Fx.CSS = new Class({



	Extends: Fx,



	//prepares the base from/to object



	prepare: function(element, property, values){

		values = $splat(values);

		var values1 = values[1];

		if (!$chk(values1)){

			values[1] = values[0];

			values[0] = element.getStyle(property);

		}

		var parsed = values.map(this.parse);

		return {from: parsed[0], to: parsed[1]};

	},



	//parses a value into an array



	parse: function(value){

		value = $lambda(value)();

		value = (typeof value == 'string') ? value.split(' ') : $splat(value);

		return value.map(function(val){

			val = String(val);

			var found = false;

			Fx.CSS.Parsers.each(function(parser, key){

				if (found) return;

				var parsed = parser.parse(val);

				if ($chk(parsed)) found = {value: parsed, parser: parser};

			});

			found = found || {value: val, parser: Fx.CSS.Parsers.String};

			return found;

		});

	},



	//computes by a from and to prepared objects, using their parsers.



	compute: function(from, to, delta){

		var computed = [];

		(Math.min(from.length, to.length)).times(function(i){

			computed.push({value: from[i].parser.compute(from[i].value, to[i].value, delta), parser: from[i].parser});

		});

		computed.$family = {name: 'fx:css:value'};

		return computed;

	},



	//serves the value as settable



	serve: function(value, unit){

		if ($type(value) != 'fx:css:value') value = this.parse(value);

		var returned = [];

		value.each(function(bit){

			returned = returned.concat(bit.parser.serve(bit.value, unit));

		});

		return returned;

	},



	//renders the change to an element



	render: function(element, property, value, unit){

		element.setStyle(property, this.serve(value, unit));

	},



	//searches inside the page css to find the values for a selector



	search: function(selector){

		if (Fx.CSS.Cache[selector]) return Fx.CSS.Cache[selector];

		var to = {};

		Array.each(document.styleSheets, function(sheet, j){

			var href = sheet.href;

			if (href && href.contains('://') && !href.contains(document.domain)) return;

			var rules = sheet.rules || sheet.cssRules;

			Array.each(rules, function(rule, i){

				if (!rule.style) return;

				var selectorText = (rule.selectorText) ? rule.selectorText.replace(/^\w+/, function(m){

					return m.toLowerCase();

				}) : null;

				if (!selectorText || !selectorText.test('^' + selector + '$')) return;

				Element.Styles.each(function(value, style){

					if (!rule.style[style] || Element.ShortStyles[style]) return;

					value = String(rule.style[style]);

					to[style] = (value.test(/^rgb/)) ? value.rgbToHex() : value;

				});

			});

		});

		return Fx.CSS.Cache[selector] = to;

	}



});



Fx.CSS.Cache = {};



Fx.CSS.Parsers = new Hash({



	Color: {

		parse: function(value){

			if (value.match(/^#[0-9a-f]{3,6}$/i)) return value.hexToRgb(true);

			return ((value = value.match(/(\d+),\s*(\d+),\s*(\d+)/))) ? [value[1], value[2], value[3]] : false;

		},

		compute: function(from, to, delta){

			return from.map(function(value, i){

				return Math.round(Fx.compute(from[i], to[i], delta));

			});

		},

		serve: function(value){

			return value.map(Number);

		}

	},



	Number: {

		parse: parseFloat,

		compute: Fx.compute,

		serve: function(value, unit){

			return (unit) ? value + unit : value;

		}

	},



	String: {

		parse: $lambda(false),

		compute: $arguments(1),

		serve: $arguments(0)

	}



});





/*

Script: Fx.Tween.js

	Formerly Fx.Style, effect to transition any CSS property for an element.



License:

	MIT-style license.

*/



Fx.Tween = new Class({



	Extends: Fx.CSS,



	initialize: function(element, options){

		this.element = this.subject = $(element);

		this.parent(options);

	},



	set: function(property, now){

		if (arguments.length == 1){

			now = property;

			property = this.property || this.options.property;

		}

		this.render(this.element, property, now, this.options.unit);

		return this;

	},



	start: function(property, from, to){

		if (!this.check(arguments.callee, property, from, to)) return this;

		var args = Array.flatten(arguments);

		this.property = this.options.property || args.shift();

		var parsed = this.prepare(this.element, this.property, args);

		return this.parent(parsed.from, parsed.to);

	}



});



Element.Properties.tween = {



	set: function(options){

		var tween = this.retrieve('tween');

		if (tween) tween.cancel();

		return this.eliminate('tween').store('tween:options', $extend({link: 'cancel'}, options));

	},



	get: function(options){

		if (options || !this.retrieve('tween')){

			if (options || !this.retrieve('tween:options')) this.set('tween', options);

			this.store('tween', new Fx.Tween(this, this.retrieve('tween:options')));

		}

		return this.retrieve('tween');

	}



};



Element.implement({



	tween: function(property, from, to){

		this.get('tween').start(arguments);

		return this;

	},



	fade: function(how){

		var fade = this.get('tween'), o = 'opacity', toggle;

		how = $pick(how, 'toggle');

		switch (how){

			case 'in': fade.start(o, 1); break;

			case 'out': fade.start(o, 0); break;

			case 'show': fade.set(o, 1); break;

			case 'hide': fade.set(o, 0); break;

			case 'toggle':

				var flag = this.retrieve('fade:flag', this.get('opacity') == 1);

				fade.start(o, (flag) ? 0 : 1);

				this.store('fade:flag', !flag);

				toggle = true;

			break;

			default: fade.start(o, arguments);

		}

		if (!toggle) this.eliminate('fade:flag');

		return this;

	},



	highlight: function(start, end){

		if (!end){

			end = this.retrieve('highlight:original', this.getStyle('background-color'));

			end = (end == 'transparent') ? '#fff' : end;

		}

		var tween = this.get('tween');

		tween.start('background-color', start || '#ffff88', end).chain(function(){

			this.setStyle('background-color', this.retrieve('highlight:original'));

			tween.callChain();

		}.bind(this));

		return this;

	}



});





/*

Script: Fx.Morph.js

	Formerly Fx.Styles, effect to transition any number of CSS properties for an element using an object of rules, or CSS based selector rules.



License:

	MIT-style license.

*/



Fx.Morph = new Class({



	Extends: Fx.CSS,



	initialize: function(element, options){

		this.element = this.subject = $(element);

		this.parent(options);

	},



	set: function(now){

		if (typeof now == 'string') now = this.search(now);

		for (var p in now) this.render(this.element, p, now[p], this.options.unit);

		return this;

	},



	compute: function(from, to, delta){

		var now = {};

		for (var p in from) now[p] = this.parent(from[p], to[p], delta);

		return now;

	},



	start: function(properties){

		if (!this.check(arguments.callee, properties)) return this;

		if (typeof properties == 'string') properties = this.search(properties);

		var from = {}, to = {};

		for (var p in properties){

			var parsed = this.prepare(this.element, p, properties[p]);

			from[p] = parsed.from;

			to[p] = parsed.to;

		}

		return this.parent(from, to);

	}



});



Element.Properties.morph = {



	set: function(options){

		var morph = this.retrieve('morph');

		if (morph) morph.cancel();

		return this.eliminate('morph').store('morph:options', $extend({link: 'cancel'}, options));

	},



	get: function(options){

		if (options || !this.retrieve('morph')){

			if (options || !this.retrieve('morph:options')) this.set('morph', options);

			this.store('morph', new Fx.Morph(this, this.retrieve('morph:options')));

		}

		return this.retrieve('morph');

	}



};



Element.implement({



	morph: function(props){

		this.get('morph').start(props);

		return this;

	}



});



/*

Script: Fx.Transitions.js

	Contains a set of advanced transitions to be used with any of the Fx Classes.



License:

	MIT-style license.



Credits:

	Easing Equations by Robert Penner, <http://www.robertpenner.com/easing/>, modified and optimized to be used with MooTools.

*/



(function(){



	var old = Fx.prototype.initialize;



	Fx.prototype.initialize = function(options){

		old.call(this, options);

		var trans = this.options.transition;

		if (typeof trans == 'string' && (trans = trans.split(':'))){

			var base = Fx.Transitions;

			base = base[trans[0]] || base[trans[0].capitalize()];

			if (trans[1]) base = base['ease' + trans[1].capitalize() + (trans[2] ? trans[2].capitalize() : '')];

			this.options.transition = base;

		}

	};



})();



Fx.Transition = function(transition, params){

	params = $splat(params);

	return $extend(transition, {

		easeIn: function(pos){

			return transition(pos, params);

		},

		easeOut: function(pos){

			return 1 - transition(1 - pos, params);

		},

		easeInOut: function(pos){

			return (pos <= 0.5) ? transition(2 * pos, params) / 2 : (2 - transition(2 * (1 - pos), params)) / 2;

		}

	});

};



Fx.Transitions = new Hash({



	linear: $arguments(0)



});



Fx.Transitions.extend = function(transitions){

	for (var transition in transitions) Fx.Transitions[transition] = new Fx.Transition(transitions[transition]);

};



Fx.Transitions.extend({



	Pow: function(p, x){

		return Math.pow(p, x[0] || 6);

	},



	Expo: function(p){

		return Math.pow(2, 8 * (p - 1));

	},



	Circ: function(p){

		return 1 - Math.sin(Math.acos(p));

	},



	Sine: function(p){

		return 1 - Math.sin((1 - p) * Math.PI / 2);

	},



	Back: function(p, x){

		x = x[0] || 1.618;

		return Math.pow(p, 2) * ((x + 1) * p - x);

	},



	Bounce: function(p){

		var value;

		for (var a = 0, b = 1; 1; a += b, b /= 2){

			if (p >= (7 - 4 * a) / 11){

				value = - Math.pow((11 - 6 * a - 11 * p) / 4, 2) + b * b;

				break;

			}

		}

		return value;

	},



	Elastic: function(p, x){

		return Math.pow(2, 10 * --p) * Math.cos(20 * p * Math.PI * (x[0] || 1) / 3);

	}



});



['Quad', 'Cubic', 'Quart', 'Quint'].each(function(transition, i){

	Fx.Transitions[transition] = new Fx.Transition(function(p){

		return Math.pow(p, [i + 2]);

	});

});





/*

Script: Request.js

	Powerful all purpose Request Class. Uses XMLHTTPRequest.



License:

	MIT-style license.

*/



var Request = new Class({



	Implements: [Chain, Events, Options],



	options: {

		/*onRequest: $empty,

		onSuccess: $empty,

		onFailure: $empty,

		onException: $empty,*/

		url: '',

		data: '',

		headers: {

			'X-Requested-With': 'XMLHttpRequest',

			'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'

		},

		async: true,

		format: false,

		method: 'post',

		link: 'ignore',

		isSuccess: null,

		emulation: true,

		urlEncoded: true,

		encoding: 'utf-8',

		evalScripts: false,

		evalResponse: false

	},



	initialize: function(options){

		this.xhr = new Browser.Request();

		this.setOptions(options);

		this.options.isSuccess = this.options.isSuccess || this.isSuccess;

		this.headers = new Hash(this.options.headers);

	},



	onStateChange: function(){

		if (this.xhr.readyState != 4 || !this.running) return;

		this.running = false;

		this.status = 0;

		$try(function(){

			this.status = this.xhr.status;

		}.bind(this));

		if (this.options.isSuccess.call(this, this.status)){

			this.response = {text: this.xhr.responseText, xml: this.xhr.responseXML};

			this.success(this.response.text, this.response.xml);

		} else {

			this.response = {text: null, xml: null};

			this.failure();

		}

		this.xhr.onreadystatechange = $empty;

	},



	isSuccess: function(){

		return ((this.status >= 200) && (this.status < 300));

	},



	processScripts: function(text){

		if (this.options.evalResponse || (/(ecma|java)script/).test(this.getHeader('Content-type'))) return $exec(text);

		return text.stripScripts(this.options.evalScripts);

	},



	success: function(text, xml){

		this.onSuccess(this.processScripts(text), xml);

	},

	

	onSuccess: function(){

		this.fireEvent('complete', arguments).fireEvent('success', arguments).callChain();

	},

	

	failure: function(){

		this.onFailure();

	},



	onFailure: function(){

		this.fireEvent('complete').fireEvent('failure', this.xhr);

	},



	setHeader: function(name, value){

		this.headers.set(name, value);

		return this;

	},



	getHeader: function(name){

		return $try(function(){

			return this.xhr.getResponseHeader(name);

		}.bind(this));

	},



	check: function(caller){

		if (!this.running) return true;

		switch (this.options.link){

			case 'cancel': this.cancel(); return true;

			case 'chain': this.chain(caller.bind(this, Array.slice(arguments, 1))); return false;

		}

		return false;

	},



	send: function(options){

		if (!this.check(arguments.callee, options)) return this;

		this.running = true;



		var type = $type(options);

		if (type == 'string' || type == 'element') options = {data: options};



		var old = this.options;

		options = $extend({data: old.data, url: old.url, method: old.method}, options);

		var data = options.data, url = options.url, method = options.method;



		switch ($type(data)){

			case 'element': data = $(data).toQueryString(); break;

			case 'object': case 'hash': data = Hash.toQueryString(data);

		}



		if (this.options.format){

			var format = 'format=' + this.options.format;

			data = (data) ? format + '&' + data : format;

		}



		if (this.options.emulation && ['put', 'delete'].contains(method)){

			var _method = '_method=' + method;

			data = (data) ? _method + '&' + data : _method;

			method = 'post';

		}



		if (this.options.urlEncoded && method == 'post'){

			var encoding = (this.options.encoding) ? '; charset=' + this.options.encoding : '';

			this.headers.set('Content-type', 'application/x-www-form-urlencoded' + encoding);

		}



		if (data && method == 'get'){

			url = url + (url.contains('?') ? '&' : '?') + data;

			data = null;

		}



		this.xhr.open(method.toUpperCase(), url, this.options.async);



		this.xhr.onreadystatechange = this.onStateChange.bind(this);



		this.headers.each(function(value, key){

			if (!$try(function(){

				this.xhr.setRequestHeader(key, value);

				return true;

			}.bind(this))) this.fireEvent('exception', [key, value]);

		}, this);



		this.fireEvent('request');

		this.xhr.send(data);

		if (!this.options.async) this.onStateChange();

		return this;

	},



	cancel: function(){

		if (!this.running) return this;

		this.running = false;

		this.xhr.abort();

		this.xhr.onreadystatechange = $empty;

		this.xhr = new Browser.Request();

		this.fireEvent('cancel');

		return this;

	}



});



(function(){



var methods = {};

['get', 'post', 'put', 'delete', 'GET', 'POST', 'PUT', 'DELETE'].each(function(method){

	methods[method] = function(){

		var params = Array.link(arguments, {url: String.type, data: $defined});

		return this.send($extend(params, {method: method.toLowerCase()}));

	};

});



Request.implement(methods);



})();



Element.Properties.send = {

	

	set: function(options){

		var send = this.retrieve('send');

		if (send) send.cancel();

		return this.eliminate('send').store('send:options', $extend({

			data: this, link: 'cancel', method: this.get('method') || 'post', url: this.get('action')

		}, options));

	},



	get: function(options){

		if (options || !this.retrieve('send')){

			if (options || !this.retrieve('send:options')) this.set('send', options);

			this.store('send', new Request(this.retrieve('send:options')));

		}

		return this.retrieve('send');

	}



};



Element.implement({



	send: function(url){

		var sender = this.get('send');

		sender.send({data: this, url: url || sender.options.url});

		return this;

	}



});





/*

Script: Request.HTML.js

	Extends the basic Request Class with additional methods for interacting with HTML responses.



License:

	MIT-style license.

*/



Request.HTML = new Class({



	Extends: Request,



	options: {

		update: false,

		evalScripts: true,

		filter: false

	},



	processHTML: function(text){

		var match = text.match(/<body[^>]*>([\s\S]*?)<\/body>/i);

		text = (match) ? match[1] : text;

		

		var container = new Element('div');

		

		return $try(function(){

			var root = '<root>' + text + '</root>', doc;

			if (Browser.Engine.trident){

				doc = new ActiveXObject('Microsoft.XMLDOM');

				doc.async = false;

				doc.loadXML(root);

			} else {

				doc = new DOMParser().parseFromString(root, 'text/xml');

			}

			root = doc.getElementsByTagName('root')[0];

			for (var i = 0, k = root.childNodes.length; i < k; i++){

				var child = Element.clone(root.childNodes[i], true, true);

				if (child) container.grab(child);

			}

			return container;

		}) || container.set('html', text);

	},



	success: function(text){

		var options = this.options, response = this.response;

		

		response.html = text.stripScripts(function(script){

			response.javascript = script;

		});

		

		var temp = this.processHTML(response.html);

		

		response.tree = temp.childNodes;

		response.elements = temp.getElements('*');

		

		if (options.filter) response.tree = response.elements.filter(options.filter);

		if (options.update) $(options.update).empty().adopt(response.tree);

		if (options.evalScripts) $exec(response.javascript);

		

		this.onSuccess(response.tree, response.elements, response.html, response.javascript);

	}



});



Element.Properties.load = {

	

	set: function(options){

		var load = this.retrieve('load');

		if (load) send.cancel();

		return this.eliminate('load').store('load:options', $extend({data: this, link: 'cancel', update: this, method: 'get'}, options));

	},



	get: function(options){

		if (options || ! this.retrieve('load')){

			if (options || !this.retrieve('load:options')) this.set('load', options);

			this.store('load', new Request.HTML(this.retrieve('load:options')));

		}

		return this.retrieve('load');

	}



};



Element.implement({

	

	load: function(){

		this.get('load').send(Array.link(arguments, {data: Object.type, url: String.type}));

		return this;

	}



});





/*

Script: Request.JSON.js

	Extends the basic Request Class with additional methods for sending and receiving JSON data.



License:

	MIT-style license.

*/



Request.JSON = new Class({



	Extends: Request,



	options: {

		secure: true

	},



	initialize: function(options){

		this.parent(options);

		this.headers.extend({'Accept': 'application/json', 'X-Request': 'JSON'});

	},



	success: function(text){

		this.response.json = JSON.decode(text, this.options.secure);

		this.onSuccess(this.response.json, text);

	}



});



//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2008 Valerio Proietti, <http://mad4milk.net>, MIT Style License.



/*

Script: Fx.Slide.js

	Effect to slide an element in and out of view.



License:

	MIT-style license.

*/



Fx.Slide = new Class({



	Extends: Fx,



	options: {

		mode: 'vertical'

	},



	initialize: function(element, options){

		this.addEvent('complete', function(){

			this.open = (this.wrapper['offset' + this.layout.capitalize()] != 0);

			if (this.open && Browser.Engine.webkit419) this.element.dispose().inject(this.wrapper);

		}, true);

		this.element = this.subject = $(element);

		this.parent(options);

		var wrapper = this.element.retrieve('wrapper');

		this.wrapper = wrapper || new Element('div', {

			styles: $extend(this.element.getStyles('margin', 'position'), {'overflow': 'hidden'})

		}).wraps(this.element);

		this.element.store('wrapper', this.wrapper).setStyle('margin', 0);

		this.now = [];

		this.open = true;

	},



	vertical: function(){

		this.margin = 'margin-top';

		this.layout = 'height';

		this.offset = this.element.offsetHeight;

	},



	horizontal: function(){

		this.margin = 'margin-left';

		this.layout = 'width';

		this.offset = this.element.offsetWidth;

	},



	set: function(now){

		this.element.setStyle(this.margin, now[0]);

		this.wrapper.setStyle(this.layout, now[1]);

		return this;

	},



	compute: function(from, to, delta){

		var now = [];

		var x = 2;

		x.times(function(i){

			now[i] = Fx.compute(from[i], to[i], delta);

		});

		return now;

	},



	start: function(how, mode){

		if (!this.check(arguments.callee, how, mode)) return this;

		this[mode || this.options.mode]();

		var margin = this.element.getStyle(this.margin).toInt();

		var layout = this.wrapper.getStyle(this.layout).toInt();

		var caseIn = [[margin, layout], [0, this.offset]];

		var caseOut = [[margin, layout], [-this.offset, 0]];

		var start;

		switch (how){

			case 'in': start = caseIn; break;

			case 'out': start = caseOut; break;

			case 'toggle': start = (this.wrapper['offset' + this.layout.capitalize()] == 0) ? caseIn : caseOut;

		}

		return this.parent(start[0], start[1]);

	},



	slideIn: function(mode){

		return this.start('in', mode);

	},



	slideOut: function(mode){

		return this.start('out', mode);

	},



	hide: function(mode){

		this[mode || this.options.mode]();

		this.open = false;

		return this.set([-this.offset, 0]);

	},



	show: function(mode){

		this[mode || this.options.mode]();

		this.open = true;

		return this.set([0, this.offset]);

	},



	toggle: function(mode){

		return this.start('toggle', mode);

	}



});



Element.Properties.slide = {



	set: function(options){

		var slide = this.retrieve('slide');

		if (slide) slide.cancel();

		return this.eliminate('slide').store('slide:options', $extend({link: 'cancel'}, options));

	},

	

	get: function(options){

		if (options || !this.retrieve('slide')){

			if (options || !this.retrieve('slide:options')) this.set('slide', options);

			this.store('slide', new Fx.Slide(this, this.retrieve('slide:options')));

		}

		return this.retrieve('slide');

	}



};



Element.implement({



	slide: function(how, mode){

		how = how || 'toggle';

		var slide = this.get('slide'), toggle;

		switch (how){

			case 'hide': slide.hide(mode); break;

			case 'show': slide.show(mode); break;

			case 'toggle':

				var flag = this.retrieve('slide:flag', slide.open);

				slide[(flag) ? 'slideOut' : 'slideIn'](mode);

				this.store('slide:flag', !flag);

				toggle = true;

			break;

			default: slide.start(how, mode);

		}

		if (!toggle) this.eliminate('slide:flag');

		return this;

	}



});





/*

Script: Fx.Scroll.js

	Effect to smoothly scroll any element, including the window.



License:

	MIT-style license.

*/



Fx.Scroll = new Class({



	Extends: Fx,



	options: {

		offset: {'x': 0, 'y': 0},

		wheelStops: true

	},



	initialize: function(element, options){

		this.element = this.subject = $(element);

		this.parent(options);

		var cancel = this.cancel.bind(this, false);



		if ($type(this.element) != 'element') this.element = $(this.element.getDocument().body);



		var stopper = this.element;



		if (this.options.wheelStops){

			this.addEvent('start', function(){

				stopper.addEvent('mousewheel', cancel);

			}, true);

			this.addEvent('complete', function(){

				stopper.removeEvent('mousewheel', cancel);

			}, true);

		}

	},



	set: function(){

		var now = Array.flatten(arguments);

		this.element.scrollTo(now[0], now[1]);

	},



	compute: function(from, to, delta){

		var now = [];

		var x = 2;

		x.times(function(i){

			now.push(Fx.compute(from[i], to[i], delta));

		});

		return now;

	},



	start: function(x, y){

		if (!this.check(arguments.callee, x, y)) return this;

		var offsetSize = this.element.getSize(), scrollSize = this.element.getScrollSize();

		var scroll = this.element.getScroll(), values = {x: x, y: y};

		for (var z in values){

			var max = scrollSize[z] - offsetSize[z];

			if ($chk(values[z])) values[z] = ($type(values[z]) == 'number') ? values[z].limit(0, max) : max;

			else values[z] = scroll[z];

			values[z] += this.options.offset[z];

		}

		return this.parent([scroll.x, scroll.y], [values.x, values.y]);

	},



	toTop: function(){

		return this.start(false, 0);

	},



	toLeft: function(){

		return this.start(0, false);

	},



	toRight: function(){

		return this.start('right', false);

	},



	toBottom: function(){

		return this.start(false, 'bottom');

	},



	toElement: function(el){

		var position = $(el).getPosition(this.element);

		return this.start(position.x, position.y);

	}



});





/*

Script: Fx.Elements.js

	Effect to change any number of CSS properties of any number of Elements.



License:

	MIT-style license.

*/



Fx.Elements = new Class({



	Extends: Fx.CSS,



	initialize: function(elements, options){

		this.elements = this.subject = $$(elements);

		this.parent(options);

	},



	compute: function(from, to, delta){

		var now = {};

		for (var i in from){

			var iFrom = from[i], iTo = to[i], iNow = now[i] = {};

			for (var p in iFrom) iNow[p] = this.parent(iFrom[p], iTo[p], delta);

		}

		return now;

	},



	set: function(now){

		for (var i in now){

			var iNow = now[i];

			for (var p in iNow) this.render(this.elements[i], p, iNow[p], this.options.unit);

		}

		return this;

	},



	start: function(obj){

		if (!this.check(arguments.callee, obj)) return this;

		var from = {}, to = {};

		for (var i in obj){

			var iProps = obj[i], iFrom = from[i] = {}, iTo = to[i] = {};

			for (var p in iProps){

				var parsed = this.prepare(this.elements[i], p, iProps[p]);

				iFrom[p] = parsed.from;

				iTo[p] = parsed.to;

			}

		}

		return this.parent(from, to);

	}



});



/*

Script: Drag.js

	The base Drag Class. Can be used to drag and resize Elements using mouse events.



License:

	MIT-style license.

*/



var Drag = new Class({



	Implements: [Events, Options],



	options: {/*

		onBeforeStart: $empty,

		onStart: $empty,

		onDrag: $empty,

		onCancel: $empty,

		onComplete: $empty,*/

		snap: 6,

		unit: 'px',

		grid: false,

		style: true,

		limit: false,

		handle: false,

		invert: false,

		preventDefault: false,

		modifiers: {x: 'left', y: 'top'}

	},



	initialize: function(){

		var params = Array.link(arguments, {'options': Object.type, 'element': $defined});

		this.element = $(params.element);

		this.document = this.element.getDocument();

		this.setOptions(params.options || {});

		var htype = $type(this.options.handle);

		this.handles = (htype == 'array' || htype == 'collection') ? $$(this.options.handle) : $(this.options.handle) || this.element;

		this.mouse = {'now': {}, 'pos': {}};

		this.value = {'start': {}, 'now': {}};

		

		this.selection = (Browser.Engine.trident) ? 'selectstart' : 'mousedown';

		

		this.bound = {

			start: this.start.bind(this),

			check: this.check.bind(this),

			drag: this.drag.bind(this),

			stop: this.stop.bind(this),

			cancel: this.cancel.bind(this),

			eventStop: $lambda(false)

		};

		this.attach();

	},



	attach: function(){

		this.handles.addEvent('mousedown', this.bound.start);

		return this;

	},



	detach: function(){

		this.handles.removeEvent('mousedown', this.bound.start);

		return this;

	},



	start: function(event){

		if (this.options.preventDefault) event.preventDefault();

		this.fireEvent('beforeStart', this.element);

		this.mouse.start = event.page;

		var limit = this.options.limit;

		this.limit = {'x': [], 'y': []};

		for (var z in this.options.modifiers){

			if (!this.options.modifiers[z]) continue;

			if (this.options.style) this.value.now[z] = this.element.getStyle(this.options.modifiers[z]).toInt();

			else this.value.now[z] = this.element[this.options.modifiers[z]];

			if (this.options.invert) this.value.now[z] *= -1;

			this.mouse.pos[z] = event.page[z] - this.value.now[z];

			if (limit && limit[z]){

				for (var i = 2; i--; i){

					if ($chk(limit[z][i])) this.limit[z][i] = $lambda(limit[z][i])();

				}

			}

		}

		if ($type(this.options.grid) == 'number') this.options.grid = {'x': this.options.grid, 'y': this.options.grid};

		this.document.addEvents({mousemove: this.bound.check, mouseup: this.bound.cancel});

		this.document.addEvent(this.selection, this.bound.eventStop);

	},



	check: function(event){

		if (this.options.preventDefault) event.preventDefault();

		var distance = Math.round(Math.sqrt(Math.pow(event.page.x - this.mouse.start.x, 2) + Math.pow(event.page.y - this.mouse.start.y, 2)));

		if (distance > this.options.snap){

			this.cancel();

			this.document.addEvents({

				mousemove: this.bound.drag,

				mouseup: this.bound.stop

			});

			this.fireEvent('start', this.element).fireEvent('snap', this.element);

		}

	},



	drag: function(event){

		if (this.options.preventDefault) event.preventDefault();

		this.mouse.now = event.page;

		for (var z in this.options.modifiers){

			if (!this.options.modifiers[z]) continue;

			this.value.now[z] = this.mouse.now[z] - this.mouse.pos[z];

			if (this.options.invert) this.value.now[z] *= -1;

			if (this.options.limit && this.limit[z]){

				if ($chk(this.limit[z][1]) && (this.value.now[z] > this.limit[z][1])){

					this.value.now[z] = this.limit[z][1];

				} else if ($chk(this.limit[z][0]) && (this.value.now[z] < this.limit[z][0])){

					this.value.now[z] = this.limit[z][0];

				}

			}

			if (this.options.grid[z]) this.value.now[z] -= (this.value.now[z] % this.options.grid[z]);

			if (this.options.style) this.element.setStyle(this.options.modifiers[z], this.value.now[z] + this.options.unit);

			else this.element[this.options.modifiers[z]] = this.value.now[z];

		}

		this.fireEvent('drag', this.element);

	},



	cancel: function(event){

		this.document.removeEvent('mousemove', this.bound.check);

		this.document.removeEvent('mouseup', this.bound.cancel);

		if (event){

			this.document.removeEvent(this.selection, this.bound.eventStop);

			this.fireEvent('cancel', this.element);

		}

	},



	stop: function(event){

		this.document.removeEvent(this.selection, this.bound.eventStop);

		this.document.removeEvent('mousemove', this.bound.drag);

		this.document.removeEvent('mouseup', this.bound.stop);

		if (event) this.fireEvent('complete', this.element);

	}



});



Element.implement({

	

	makeResizable: function(options){

		return new Drag(this, $merge({modifiers: {'x': 'width', 'y': 'height'}}, options));

	}



});



/*

Script: Drag.Move.js

	A Drag extension that provides support for the constraining of draggables to containers and droppables.



License:

	MIT-style license.

*/



Drag.Move = new Class({



	Extends: Drag,



	options: {

		droppables: [],

		container: false

	},



	initialize: function(element, options){

		this.parent(element, options);

		this.droppables = $$(this.options.droppables);

		this.container = $(this.options.container);

		if (this.container && $type(this.container) != 'element') this.container = $(this.container.getDocument().body);

		element = this.element;

		

		var current = element.getStyle('position');

		var position = (current != 'static') ? current : 'absolute';

		if (element.getStyle('left') == 'auto' || element.getStyle('top') == 'auto') element.position(element.getPosition(element.offsetParent));

		

		element.setStyle('position', position);

		

		this.addEvent('start', function(){

			this.checkDroppables();

		}, true);

	},



	start: function(event){

		if (this.container){

			var el = this.element, cont = this.container, ccoo = cont.getCoordinates(el.offsetParent), cps = {}, ems = {};



			['top', 'right', 'bottom', 'left'].each(function(pad){

				cps[pad] = cont.getStyle('padding-' + pad).toInt();

				ems[pad] = el.getStyle('margin-' + pad).toInt();

			}, this);



			var width = el.offsetWidth + ems.left + ems.right, height = el.offsetHeight + ems.top + ems.bottom;

			var x = [ccoo.left + cps.left, ccoo.right - cps.right - width];

			var y = [ccoo.top + cps.top, ccoo.bottom - cps.bottom - height];



			this.options.limit = {x: x, y: y};

		}

		this.parent(event);

	},



	checkAgainst: function(el){

		el = el.getCoordinates();

		var now = this.mouse.now;

		return (now.x > el.left && now.x < el.right && now.y < el.bottom && now.y > el.top);

	},



	checkDroppables: function(){

		var overed = this.droppables.filter(this.checkAgainst, this).getLast();

		if (this.overed != overed){

			if (this.overed) this.fireEvent('leave', [this.element, this.overed]);

			if (overed){

				this.overed = overed;

				this.fireEvent('enter', [this.element, overed]);

			} else {

				this.overed = null;

			}

		}

	},



	drag: function(event){

		this.parent(event);

		if (this.droppables.length) this.checkDroppables();

	},



	stop: function(event){

		this.checkDroppables();

		this.fireEvent('drop', [this.element, this.overed]);

		this.overed = null;

		return this.parent(event);

	}



});



Element.implement({



	makeDraggable: function(options){

		return new Drag.Move(this, options);

	}



});





/*

Script: Hash.Cookie.js

	Class for creating, reading, and deleting Cookies in JSON format.



License:

	MIT-style license.

*/



Hash.Cookie = new Class({



	Extends: Cookie,



	options: {

		autoSave: true

	},



	initialize: function(name, options){

		this.parent(name, options);

		this.load();

	},



	save: function(){

		var value = JSON.encode(this.hash);

		if (!value || value.length > 4096) return false; //cookie would be truncated!

		if (value == '{}') this.dispose();

		else this.write(value);

		return true;

	},



	load: function(){

		this.hash = new Hash(JSON.decode(this.read(), true));

		return this;

	}



});



Hash.Cookie.implement((function(){

	

	var methods = {};

	

	Hash.each(Hash.prototype, function(method, name){

		methods[name] = function(){

			var value = method.apply(this.hash, arguments);

			if (this.options.autoSave) this.save();

			return value;

		};

	});

	

	return methods;

	

})());



/*

Script: Color.js

	Class for creating and manipulating colors in JavaScript. Supports HSB -> RGB Conversions and vice versa.



License:

	MIT-style license.

*/



var Color = new Native({

  

	initialize: function(color, type){

		if (arguments.length >= 3){

			type = "rgb"; color = Array.slice(arguments, 0, 3);

		} else if (typeof color == 'string'){

			if (color.match(/rgb/)) color = color.rgbToHex().hexToRgb(true);

			else if (color.match(/hsb/)) color = color.hsbToRgb();

			else color = color.hexToRgb(true);

		}

		type = type || 'rgb';

		switch (type){

			case 'hsb':

				var old = color;

				color = color.hsbToRgb();

				color.hsb = old;

			break;

			case 'hex': color = color.hexToRgb(true); break;

		}

		color.rgb = color.slice(0, 3);

		color.hsb = color.hsb || color.rgbToHsb();

		color.hex = color.rgbToHex();

		return $extend(color, this);

	}



});



Color.implement({



	mix: function(){

		var colors = Array.slice(arguments);

		var alpha = ($type(colors.getLast()) == 'number') ? colors.pop() : 50;

		var rgb = this.slice();

		colors.each(function(color){

			color = new Color(color);

			for (var i = 0; i < 3; i++) rgb[i] = Math.round((rgb[i] / 100 * (100 - alpha)) + (color[i] / 100 * alpha));

		});

		return new Color(rgb, 'rgb');

	},



	invert: function(){

		return new Color(this.map(function(value){

			return 255 - value;

		}));

	},



	setHue: function(value){

		return new Color([value, this.hsb[1], this.hsb[2]], 'hsb');

	},



	setSaturation: function(percent){

		return new Color([this.hsb[0], percent, this.hsb[2]], 'hsb');

	},



	setBrightness: function(percent){

		return new Color([this.hsb[0], this.hsb[1], percent], 'hsb');

	}



});



function $RGB(r, g, b){

	return new Color([r, g, b], 'rgb');

};



function $HSB(h, s, b){

	return new Color([h, s, b], 'hsb');

};



function $HEX(hex){

	return new Color(hex, 'hex');

};



Array.implement({



	rgbToHsb: function(){

		var red = this[0], green = this[1], blue = this[2];

		var hue, saturation, brightness;

		var max = Math.max(red, green, blue), min = Math.min(red, green, blue);

		var delta = max - min;

		brightness = max / 255;

		saturation = (max != 0) ? delta / max : 0;

		if (saturation == 0){

			hue = 0;

		} else {

			var rr = (max - red) / delta;

			var gr = (max - green) / delta;

			var br = (max - blue) / delta;

			if (red == max) hue = br - gr;

			else if (green == max) hue = 2 + rr - br;

			else hue = 4 + gr - rr;

			hue /= 6;

			if (hue < 0) hue++;

		}

		return [Math.round(hue * 360), Math.round(saturation * 100), Math.round(brightness * 100)];

	},



	hsbToRgb: function(){

		var br = Math.round(this[2] / 100 * 255);

		if (this[1] == 0){

			return [br, br, br];

		} else {

			var hue = this[0] % 360;

			var f = hue % 60;

			var p = Math.round((this[2] * (100 - this[1])) / 10000 * 255);

			var q = Math.round((this[2] * (6000 - this[1] * f)) / 600000 * 255);

			var t = Math.round((this[2] * (6000 - this[1] * (60 - f))) / 600000 * 255);

			switch (Math.floor(hue / 60)){

				case 0: return [br, t, p];

				case 1: return [q, br, p];

				case 2: return [p, br, t];

				case 3: return [p, q, br];

				case 4: return [t, p, br];

				case 5: return [br, p, q];

			}

		}

		return false;

	}



});



String.implement({



	rgbToHsb: function(){

		var rgb = this.match(/\d{1,3}/g);

		return (rgb) ? hsb.rgbToHsb() : null;

	},

	

	hsbToRgb: function(){

		var hsb = this.match(/\d{1,3}/g);

		return (hsb) ? hsb.hsbToRgb() : null;

	}



});





/*

Script: Group.js

	Class for monitoring collections of events



License:

	MIT-style license.

*/



var Group = new Class({



	initialize: function(){

		this.instances = Array.flatten(arguments);

		this.events = {};

		this.checker = {};

	},



	addEvent: function(type, fn){

		this.checker[type] = this.checker[type] || {};

		this.events[type] = this.events[type] || [];

		if (this.events[type].contains(fn)) return false;

		else this.events[type].push(fn);

		this.instances.each(function(instance, i){

			instance.addEvent(type, this.check.bind(this, [type, instance, i]));

		}, this);

		return this;

	},



	check: function(type, instance, i){

		this.checker[type][i] = true;

		var every = this.instances.every(function(current, j){

			return this.checker[type][j] || false;

		}, this);

		if (!every) return;

		this.checker[type] = {};

		this.events[type].each(function(event){

			event.call(this, this.instances, instance);

		}, this);

	}



});





/*

Script: Assets.js

	Provides methods to dynamically load JavaScript, CSS, and Image files into the document.



License:

	MIT-style license.

*/



var Asset = new Hash({



	javascript: function(source, properties){

		properties = $extend({

			onload: $empty,

			document: document,

			check: $lambda(true)

		}, properties);

		

		var script = new Element('script', {'src': source, 'type': 'text/javascript'});

		

		var load = properties.onload.bind(script), check = properties.check, doc = properties.document;

		delete properties.onload; delete properties.check; delete properties.document;

		

		script.addEvents({

			load: load,

			readystatechange: function(){

				if (['loaded', 'complete'].contains(this.readyState)) load();

			}

		}).setProperties(properties);

		

		

		if (Browser.Engine.webkit419) var checker = (function(){

			if (!$try(check)) return;

			$clear(checker);

			load();

		}).periodical(50);

		

		return script.inject(doc.head);

	},



	css: function(source, properties){

		return new Element('link', $merge({

			'rel': 'stylesheet', 'media': 'screen', 'type': 'text/css', 'href': source

		}, properties)).inject(document.head);

	},



	image: function(source, properties){

		properties = $merge({

			'onload': $empty,

			'onabort': $empty,

			'onerror': $empty

		}, properties);

		var image = new Image();

		var element = $(image) || new Element('img');

		['load', 'abort', 'error'].each(function(name){

			var type = 'on' + name;

			var event = properties[type];

			delete properties[type];

			image[type] = function(){

				if (!image) return;

				if (!element.parentNode){

					element.width = image.width;

					element.height = image.height;

				}

				image = image.onload = image.onabort = image.onerror = null;

				event.delay(1, element, element);

				element.fireEvent(name, element, 1);

			};

		});

		image.src = element.src = source;

		if (image && image.complete) image.onload.delay(1);

		return element.setProperties(properties);

	},



	images: function(sources, options){

		options = $merge({

			onComplete: $empty,

			onProgress: $empty

		}, options);

		if (!sources.push) sources = [sources];

		var images = [];

		var counter = 0;

		sources.each(function(source){

			var img = new Asset.image(source, {

				'onload': function(){

					options.onProgress.call(this, counter, sources.indexOf(source));

					counter++;

					if (counter == sources.length) options.onComplete();

				}

			});

			images.push(img);

		});

		return new Elements(images);

	}



});



/*

Script: Sortables.js

	Class for creating a drag and drop sorting interface for lists of items.



License:

	MIT-style license.

*/



var Sortables = new Class({



	Implements: [Events, Options],



	options: {/*

		onSort: $empty,

		onStart: $empty,

		onComplete: $empty,*/

		snap: 4,

		opacity: 1,

		clone: false,

		revert: false,

		handle: false,

		constrain: false

	},



	initialize: function(lists, options){

		this.setOptions(options);

		this.elements = [];

		this.lists = [];

		this.idle = true;

		

		this.addLists($$($(lists) || lists));

		if (!this.options.clone) this.options.revert = false;

		if (this.options.revert) this.effect = new Fx.Morph(null, $merge({duration: 250, link: 'cancel'}, this.options.revert));

	},



	attach: function(){

		this.addLists(this.lists);

		return this;

	},



	detach: function(){

		this.lists = this.removeLists(this.lists);

		return this;

	},



	addItems: function(){

		Array.flatten(arguments).each(function(element){

			this.elements.push(element);

			var start = element.retrieve('sortables:start', this.start.bindWithEvent(this, element));

			(this.options.handle ? element.getElement(this.options.handle) || element : element).addEvent('mousedown', start);

		}, this);

		return this;

	},



	addLists: function(){

		Array.flatten(arguments).each(function(list){

			this.lists.push(list);

			this.addItems(list.getChildren());

		}, this);

		return this;

	},



	removeItems: function(){

		var elements = [];

		Array.flatten(arguments).each(function(element){

			elements.push(element);

			this.elements.erase(element);

			var start = element.retrieve('sortables:start');

			(this.options.handle ? element.getElement(this.options.handle) || element : element).removeEvent('mousedown', start);

		}, this);

		return $$(elements);

	},



	removeLists: function(){

		var lists = [];

		Array.flatten(arguments).each(function(list){

			lists.push(list);

			this.lists.erase(list);

			this.removeItems(list.getChildren());

		}, this);

		return $$(lists);

	},



	getClone: function(event, element){

		if (!this.options.clone) return new Element('div').inject(document.body);

		if ($type(this.options.clone) == 'function') return this.options.clone.call(this, event, element, this.list);

		return element.clone(true).setStyles({

			'margin': '0px',

			'position': 'absolute',

			'visibility': 'hidden',

			'width': element.getStyle('width')

		}).inject(this.list).position(element.getPosition(element.getOffsetParent()));

	},



	getDroppables: function(){

		var droppables = this.list.getChildren();

		if (!this.options.constrain) droppables = this.lists.concat(droppables).erase(this.list);

		return droppables.erase(this.clone).erase(this.element);

	},



	insert: function(dragging, element){

		var where = 'inside';

		if (this.lists.contains(element)){

			this.list = element;

			this.drag.droppables = this.getDroppables();

		} else {

			where = this.element.getAllPrevious().contains(element) ? 'before' : 'after';

		}

		this.element.inject(element, where);

		this.fireEvent('sort', [this.element, this.clone]);

	},



	start: function(event, element){

		if (!this.idle) return;

		this.idle = false;

		this.element = element;

		this.opacity = element.get('opacity');

		this.list = element.getParent();

		this.clone = this.getClone(event, element);

		

		this.drag = new Drag.Move(this.clone, {

			snap: this.options.snap,

			container: this.options.constrain && this.element.getParent(),

			droppables: this.getDroppables(),

			onSnap: function(){

				event.stop();

				this.clone.setStyle('visibility', 'visible');

				this.element.set('opacity', this.options.opacity || 0);

				this.fireEvent('start', [this.element, this.clone]);

			}.bind(this),

			onEnter: this.insert.bind(this),

			onCancel: this.reset.bind(this),

			onComplete: this.end.bind(this)

		});

		

		this.clone.inject(this.element, 'before');

		this.drag.start(event);

	},



	end: function(){

		this.drag.detach();

		this.element.set('opacity', this.opacity);

		if (this.effect){

			var dim = this.element.getStyles('width', 'height');

			var pos = this.clone.computePosition(this.element.getPosition(this.clone.offsetParent));

			this.effect.element = this.clone;

			this.effect.start({

				top: pos.top,

				left: pos.left,

				width: dim.width,

				height: dim.height,

				opacity: 0.25

			}).chain(this.reset.bind(this));

		} else {

			this.reset();

		}

	},



	reset: function(){

		this.idle = true;

		this.clone.destroy();

		this.fireEvent('complete', this.element);

	},



	serialize: function(){

		var params = Array.link(arguments, {modifier: Function.type, index: $defined});

		var serial = this.lists.map(function(list){

			return list.getChildren().map(params.modifier || function(element){

				return element.get('id');

			}, this);

		}, this);

		

		var index = params.index;

		if (this.lists.length == 1) index = 0;

		return $chk(index) && index >= 0 && index < this.lists.length ? serial[index] : serial;

	}



});



/*

Script: Tips.js

	Class for creating nice tips that follow the mouse cursor when hovering an element.



License:

	MIT-style license.

*/



var Tips = new Class({



	Implements: [Events, Options],



	options: {

		onShow: function(tip){

			tip.setStyle('visibility', 'visible');

		},

		onHide: function(tip){

			tip.setStyle('visibility', 'hidden');

		},

		showDelay: 100,

		hideDelay: 100,

		className: null,

		offsets: {x: 16, y: 16},

		fixed: false

	},



	initialize: function(){

		var params = Array.link(arguments, {options: Object.type, elements: $defined});

		this.setOptions(params.options || null);

		

		this.tip = new Element('div').inject(document.body);

		

		if (this.options.className) this.tip.addClass(this.options.className);

		

		var top = new Element('div', {'class': 'tip-top'}).inject(this.tip);

		this.container = new Element('div', {'class': 'tip'}).inject(this.tip);

		var bottom = new Element('div', {'class': 'tip-bottom'}).inject(this.tip);



		this.tip.setStyles({position: 'absolute', top: 0, left: 0, visibility: 'hidden'});

		

		if (params.elements) this.attach(params.elements);

	},

	

	attach: function(elements){

		$$(elements).each(function(element){

			var title = element.retrieve('tip:title', element.get('title'));

			var text = element.retrieve('tip:text', element.get('rel') || element.get('href'));

			var enter = element.retrieve('tip:enter', this.elementEnter.bindWithEvent(this, element));

			var leave = element.retrieve('tip:leave', this.elementLeave.bindWithEvent(this, element));

			element.addEvents({mouseenter: enter, mouseleave: leave});

			if (!this.options.fixed){

				var move = element.retrieve('tip:move', this.elementMove.bindWithEvent(this, element));

				element.addEvent('mousemove', move);

			}

			element.store('tip:native', element.get('title'));

			element.erase('title');

		}, this);

		return this;

	},

	

	detach: function(elements){

		$$(elements).each(function(element){

			element.removeEvent('mouseenter', element.retrieve('tip:enter') || $empty);

			element.removeEvent('mouseleave', element.retrieve('tip:leave') || $empty);

			element.removeEvent('mousemove', element.retrieve('tip:move') || $empty);

			element.eliminate('tip:enter').eliminate('tip:leave').eliminate('tip:move');

			var original = element.retrieve('tip:native');

			if (original) element.set('title', original);

		});

		return this;

	},

	

	elementEnter: function(event, element){

		

		$A(this.container.childNodes).each(Element.dispose);

		

		var title = element.retrieve('tip:title');

		

		if (title){

			this.titleElement = new Element('div', {'class': 'tip-title'}).inject(this.container);

			this.fill(this.titleElement, title);

		}

		

		var text = element.retrieve('tip:text');

		if (text){

			this.textElement = new Element('div', {'class': 'tip-text'}).inject(this.container);

			this.fill(this.textElement, text);

		}

		

		this.timer = $clear(this.timer);

		this.timer = this.show.delay(this.options.showDelay, this);



		this.position((!this.options.fixed) ? event : {page: element.getPosition()});

	},

	

	elementLeave: function(event){

		$clear(this.timer);

		this.timer = this.hide.delay(this.options.hideDelay, this);

	},

	

	elementMove: function(event){

		this.position(event);

	},

	

	position: function(event){

		var size = window.getSize(), scroll = window.getScroll();

		var tip = {x: this.tip.offsetWidth, y: this.tip.offsetHeight};

		var props = {x: 'left', y: 'top'};

		for (var z in props){

			var pos = event.page[z] + this.options.offsets[z];

			if ((pos + tip[z] - scroll[z]) > size[z]) pos = event.page[z] - this.options.offsets[z] - tip[z];

			this.tip.setStyle(props[z], pos);

		}

	},

	

	fill: function(element, contents){

		(typeof contents == 'string') ? element.set('html', contents) : element.adopt(contents);

	},



	show: function(){

		this.fireEvent('show', this.tip);

	},



	hide: function(){

		this.fireEvent('hide', this.tip);

	}



});



/*

Script: SmoothScroll.js

	Class for creating a smooth scrolling effect to all internal links on the page.



License:

	MIT-style license.

*/



var SmoothScroll = new Class({



	Extends: Fx.Scroll,



	initialize: function(options, context){

		context = context || document;

		var doc = context.getDocument(), win = context.getWindow();

		this.parent(doc, options);

		this.links = (this.options.links) ? $$(this.options.links) : $$(doc.links);

		var location = win.location.href.match(/^[^#]*/)[0] + '#';

		this.links.each(function(link){

			if (link.href.indexOf(location) != 0) return;

			var anchor = link.href.substr(location.length);

			if (anchor && $(anchor)) this.useLink(link, anchor);

		}, this);

		if (!Browser.Engine.webkit419) this.addEvent('complete', function(){

			win.location.hash = this.anchor;

		}, true);

	},



	useLink: function(link, anchor){

		link.addEvent('click', function(event){

			this.anchor = anchor;

			this.toElement(anchor);

			event.stop();

		}.bind(this));

	}



});



/*

Script: Slider.js

	Class for creating horizontal and vertical slider controls.



License:

	MIT-style license.

*/



var Slider = new Class({



	Implements: [Events, Options],



	options: {/*

		onChange: $empty,

		onComplete: $empty,*/

		onTick: function(position){

			if(this.options.snap) position = this.toPosition(this.step);

			this.knob.setStyle(this.property, position);

		},

		snap: false,

		offset: 0,

		range: false,

		wheel: false,

		steps: 100,

		mode: 'horizontal'

	},



	initialize: function(element, knob, options){

		this.setOptions(options);

		this.element = $(element);

		this.knob = $(knob);

		this.previousChange = this.previousEnd = this.step = -1;

		this.element.addEvent('mousedown', this.clickedElement.bind(this));

		if (this.options.wheel) this.element.addEvent('mousewheel', this.scrolledElement.bindWithEvent(this));

		var offset, limit = {}, modifiers = {'x': false, 'y': false};

		switch (this.options.mode){

			case 'vertical':

				this.axis = 'y';

				this.property = 'top';

				offset = 'offsetHeight';

				break;

			case 'horizontal':

				this.axis = 'x';

				this.property = 'left';

				offset = 'offsetWidth';

		}

		this.half = this.knob[offset] / 2;

		this.full = this.element[offset] - this.knob[offset] + (this.options.offset * 2);

		this.min = $chk(this.options.range[0]) ? this.options.range[0] : 0;

		this.max = $chk(this.options.range[1]) ? this.options.range[1] : this.options.steps;

		this.range = this.max - this.min;

		this.steps = this.options.steps || this.full;

		this.stepSize = Math.abs(this.range) / this.steps;

		this.stepWidth = this.stepSize * this.full / Math.abs(this.range) ;

		

		this.knob.setStyle('position', 'relative').setStyle(this.property, - this.options.offset);

		modifiers[this.axis] = this.property;

		limit[this.axis] = [- this.options.offset, this.full - this.options.offset];

		this.drag = new Drag(this.knob, {

			snap: 0,

			limit: limit,

			modifiers: modifiers,

			onDrag: this.draggedKnob.bind(this),

			onStart: this.draggedKnob.bind(this),

			onComplete: function(){

				this.draggedKnob();

				this.end();

			}.bind(this)

		});

		if (this.options.snap) {

			this.drag.options.grid = Math.ceil(this.stepWidth);

			this.drag.options.limit[this.axis][1] = this.full;

		}

	},



	set: function(step){

		if (!((this.range > 0) ^ (step < this.min))) step = this.min;

		if (!((this.range > 0) ^ (step > this.max))) step = this.max;

		

		this.step = Math.round(step);

		this.checkStep();

		this.end();

		this.fireEvent('tick', this.toPosition(this.step));

		return this;

	},



	clickedElement: function(event){

		var dir = this.range < 0 ? -1 : 1;

		var position = event.page[this.axis] - this.element.getPosition()[this.axis] - this.half;

		position = position.limit(-this.options.offset, this.full -this.options.offset);

		

		this.step = Math.round(this.min + dir * this.toStep(position));

		this.checkStep();

		this.end();

		this.fireEvent('tick', position);

	},

	

	scrolledElement: function(event){

		var mode = (this.options.mode == 'horizontal') ? (event.wheel < 0) : (event.wheel > 0);

		this.set(mode ? this.step - this.stepSize : this.step + this.stepSize);

		event.stop();

	},



	draggedKnob: function(){

		var dir = this.range < 0 ? -1 : 1;

		var position = this.drag.value.now[this.axis];

		position = position.limit(-this.options.offset, this.full -this.options.offset);

		this.step = Math.round(this.min + dir * this.toStep(position));

		this.checkStep();

	},



	checkStep: function(){

		if (this.previousChange != this.step){

			this.previousChange = this.step;

			this.fireEvent('change', this.step);

		}

	},



	end: function(){

		if (this.previousEnd !== this.step){

			this.previousEnd = this.step;

			this.fireEvent('complete', this.step + '');

		}

	},



	toStep: function(position){

		var step = (position + this.options.offset) * this.stepSize / this.full * this.steps;

		return this.options.steps ? Math.round(step -= step % this.stepSize) : step;

	},



	toPosition: function(step){

		return (this.full * Math.abs(this.min - step)) / (this.steps * this.stepSize) - this.options.offset;

	}



});



/*

Script: Scroller.js

	Class which scrolls the contents of any Element (including the window) when the mouse reaches the Element's boundaries.



License:

	MIT-style license.

*/



var Scroller = new Class({



	Implements: [Events, Options],



	options: {

		area: 20,

		velocity: 1,

		onChange: function(x, y){

			this.element.scrollTo(x, y);

		}

	},



	initialize: function(element, options){

		this.setOptions(options);

		this.element = $(element);

		this.listener = ($type(this.element) != 'element') ? $(this.element.getDocument().body) : this.element;

		this.timer = null;

		this.coord = this.getCoords.bind(this);

	},



	start: function(){

		this.listener.addEvent('mousemove', this.coord);

	},



	stop: function(){

		this.listener.removeEvent('mousemove', this.coord);

		this.timer = $clear(this.timer);

	},



	getCoords: function(event){

		this.page = (this.listener.get('tag') == 'body') ? event.client : event.page;

		if (!this.timer) this.timer = this.scroll.periodical(50, this);

	},



	scroll: function(){

		var size = this.element.getSize(), scroll = this.element.getScroll(), pos = this.element.getPosition(), change = {'x': 0, 'y': 0};

		for (var z in this.page){

			if (this.page[z] < (this.options.area + pos[z]) && scroll[z] != 0)

				change[z] = (this.page[z] - this.options.area - pos[z]) * this.options.velocity;

			else if (this.page[z] + this.options.area > (size[z] + pos[z]) && size[z] + size[z] != scroll[z])

				change[z] = (this.page[z] - size[z] + this.options.area - pos[z]) * this.options.velocity;

		}

		if (change.y || change.x) this.fireEvent('change', [scroll.x + change.x, scroll.y + change.y]);

	}



});



/*

Script: Accordion.js

	An Fx.Elements extension which allows you to easily create accordion type controls.



License:

	MIT-style license.

*/



var Accordion = new Class({



	Extends: Fx.Elements,



	options: {/*

		onActive: $empty,

		onBackground: $empty,*/

		display: 0,

		show: 10,

		height: true,

		width: false,

		opacity: true,

		fixedHeight: false,

		fixedWidth: false,

		wait: false,

		alwaysHide: true

	},



	initialize: function(){

		var params = Array.link(arguments, {'container': Element.type, 'options': Object.type, 'togglers': $defined, 'elements': $defined});

		this.parent(params.elements, params.options);

		this.togglers = $$(params.togglers);

		this.container = $(params.container);

		this.previous = -1;

		if (this.options.alwaysHide) this.options.wait = true;

		if ($chk(this.options.show)){

			this.options.display = false;

			this.previous = this.options.show;

		}

		if (this.options.start){

			this.options.display = false;

			this.options.show = false;

		}

		this.effects = {};

		if (this.options.opacity) this.effects.opacity = 'fullOpacity';

		if (this.options.width) this.effects.width = this.options.fixedWidth ? 'fullWidth' : 'offsetWidth';

		if (this.options.height) this.effects.height = this.options.fixedHeight ? 'fullHeight' : 'scrollHeight';

		for (var i = 0, l = this.togglers.length; i < l; i++) this.addSection(this.togglers[i], this.elements[i]);

		this.elements.each(function(el, i){

			if (this.options.show === i){

				this.fireEvent('active', [this.togglers[i], el]);

			} else {

				for (var fx in this.effects) el.setStyle(fx, 0);

			}

		}, this);

		if ($chk(this.options.display)) this.display(this.options.display);

	},



	addSection: function(toggler, element, pos){

		toggler = $(toggler);

		element = $(element);

		var test = this.togglers.contains(toggler);

		var len = this.togglers.length;

		this.togglers.include(toggler);

		this.elements.include(element);

		if (len && (!test || pos)){

			pos = $pick(pos, len - 1);

			toggler.inject(this.togglers[pos], 'before');

			element.inject(toggler, 'after');

		} else if (this.container && !test){

			toggler.inject(this.container);

			element.inject(this.container);

		}

		var idx = this.togglers.indexOf(toggler);

		toggler.addEvent('click', this.display.bind(this, idx));

		if (this.options.height) element.setStyles({'padding-top': 0, 'border-top': 'none', 'padding-bottom': 0, 'border-bottom': 'none'});

		if (this.options.width) element.setStyles({'padding-left': 0, 'border-left': 'none', 'padding-right': 0, 'border-right': 'none'});

		element.fullOpacity = 1;

		if (this.options.fixedWidth) element.fullWidth = this.options.fixedWidth;

		if (this.options.fixedHeight) element.fullHeight = this.options.fixedHeight;

		element.setStyle('overflow', 'hidden');

		if (!test){

			for (var fx in this.effects) element.setStyle(fx, 0);

		}

		return this;

	},



	display: function(index){

		index = ($type(index) == 'element') ? this.elements.indexOf(index) : index;

		if ((this.timer && this.options.wait) || (index === this.previous && !this.options.alwaysHide)) return this;

		this.previous = index;

		var obj = {};

		this.elements.each(function(el, i){

			obj[i] = {};

			var hide = (i != index) || (this.options.alwaysHide && (el.offsetHeight > 0));

			this.fireEvent(hide ? 'background' : 'active', [this.togglers[i], el]);

			for (var fx in this.effects) obj[i][fx] = hide ? 0 : el[this.effects[fx]];

		}, this);

		return this.start(obj);

	}



});