//MooTools, My Object Oriented Javascript Tools. Copyright (c) 2006 Valerio Proietti, <http://mad4milk.net>, MIT Style License.



var MooTools = {

	version: '1.2dev'

};



function $defined(obj){

	return (obj != undefined);

};



function $type(obj){

	if (!$defined(obj)) return false;

	if (obj.htmlElement) return 'element';

	var type = typeof obj;

	if (type == 'object' && obj.nodeName){

		switch(obj.nodeType){

			case 1: return 'element';

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

		}

	}

	if (type == 'object' || type == 'function'){

		switch(obj.constructor){

			case Array: return 'array';

			case RegExp: return 'regexp';

			case Class: return 'class';

		}

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

			if (obj.item) return 'collection';

			if (obj.callee) return 'arguments';

		}

	}

	return type;

};



function $merge(){

	var mix = {};

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

		for (var property in arguments[i]){

			var ap = arguments[i][property];

			var mp = mix[property];

			if (mp && $type(ap) == 'object' && $type(mp) == 'object') mix[property] = $merge(mp, ap);

			else mix[property] = ap;

		}

	}

	return mix;

};



var $extend = function(){

	var args = arguments;

	if (!args[1]) args = [this, args[0]];

	for (var property in args[1]) args[0][property] = args[1][property];

	return args[0];

};



var $native = function(){

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

		arguments[i].extend = function(props){

			for (var prop in props){

				if (!this.prototype[prop]) this.prototype[prop] = props[prop];

				if (!this[prop]) this[prop] = $native.generic(prop);

			}

		};

	}

};



$native.generic = function(prop){

	return function(bind){

		return this.prototype[prop].apply(bind, Array.prototype.slice.call(arguments, 1));

	};

};



$native(Function, Array, String, Number);



var Abstract = function(obj){

	obj = obj || {};

	obj.extend = $extend;

	return obj;

};



var Window = new Abstract(window);

var Document = new Abstract(document);

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



function $chk(obj){

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

};



function $pick(obj, picked){

	return $defined(obj) ? obj : picked;

};



function $random(min, max){

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

};



function $time(){

	return new Date().getTime();

};



function $clear(timer){

	clearTimeout(timer);

	clearInterval(timer);

	return null;

};



window.xpath = !!(document.evaluate);

if (window.ActiveXObject) window.ie = window[window.XMLHttpRequest ? 'ie7' : 'ie6'] = true;

else if (document.childNodes && !document.all && !navigator.taintEnabled) window.webkit = window[window.xpath ? 'webkit420' : 'webkit419'] = true;

else if (document.getBoxObjectFor != null) window.gecko = true;



if (typeof HTMLElement == 'undefined'){

	var HTMLElement = function(){};

	if (window.webkit) document.createElement("iframe");

	HTMLElement.prototype = (window.webkit) ? window["[[DOMElement.prototype]]"] : {};

}

HTMLElement.prototype.htmlElement = function(){};



if (window.ie6) try {document.execCommand("BackgroundImageCache", false, true);} catch(e){};



var Class = function(properties){

	var klass = function(){

		return (arguments[0] !== null && this.initialize && $type(this.initialize) == 'function') ? this.initialize.apply(this, arguments) : this;

	};

	$extend(klass, this);

	klass.prototype = properties;

	klass.constructor = Class;

	return klass;

};



Class.empty = function(){};



Class.prototype = {



	extend: function(properties){

		var proto = new this(null);

		for (var property in properties){

			var pp = proto[property];

			proto[property] = Class.Merge(pp, properties[property]);

		}

		return new Class(proto);

	},



	implement: function(){

		for (var i = 0, l = arguments.length; i < l; i++) $extend(this.prototype, arguments[i]);

	}



};



Class.Merge = function(previous, current){

	if (previous && previous != current){

		var type = $type(current);

		if (type != $type(previous)) return current;

		switch(type){

			case 'function':

				var merged = function(){

					this.parent = arguments.callee.parent;

					return current.apply(this, arguments);

				};

				merged.parent = previous;

				return merged;

			case 'object': return $merge(previous, current);

		}

	}

	return current;

};



var Chain = new Class({



	chain: function(fn){

		this.chains = this.chains || [];

		this.chains.push(fn);

		return this;

	},



	callChain: function(){

		if (this.chains && this.chains.length) this.chains.shift().delay(10, this);

	},



	clearChain: function(){

		this.chains = [];

	}



});



var Events = new Class({



	addEvent: function(type, fn){

		if (fn != Class.empty){

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

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

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

		}

		return this;

	},



	fireEvent: function(type, args, delay){

		if (this.$events && this.$events[type]){

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

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

			}, this);

		}

		return this;

	},



	removeEvent: function(type, fn){

		if (this.$events && this.$events[type]) this.$events[type].remove(fn);

		return this;

	}



});



var Options = new Class({



	setOptions: function(){

		this.options = $merge.apply(null, [this.options].extend(arguments));

		if (this.addEvent){

			for (var option in this.options){

				if ($type(this.options[option] == 'function') && (/^on[A-Z]/).test(option)) this.addEvent(option, this.options[option]);

			}

		}

		return this;

	}



});



Array.extend({



	forEach: function(fn, bind){

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

	},



	filter: function(fn, bind){

		var results = [];

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

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

		}

		return results;

	},



	map: function(fn, bind){

		var results = [];

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

		return results;

	},



	every: function(fn, bind){

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

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

		}

		return true;

	},



	some: function(fn, bind){

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

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

		}

		return false;

	},



	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;

	},



	copy: function(start, length){

		start = start || 0;

		if (start < 0) start = this.length + start;

		length = length || (this.length - start);

		var newArray = [];

		for (var i = 0; i < length; i++) newArray[i] = this[start++];

		return newArray;

	},



	remove: function(item){

		var i = 0;

		var len = this.length;

		while (i < len){

			if (this[i] === item){

				this.splice(i, 1);

				len--;

			} else {

				i++;

			}

		}

		return this;

	},



	contains: function(item, from){

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

	},



	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;

	},



	extend: function(array){

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

		return this;

	},



	merge: function(array){

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

		return this;

	},



	include: function(item){

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

		return this;

	},



	getRandom: function(){

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

	},



	getLast: function(){

		return this[this.length - 1] || null;

	}



});



Array.prototype.each = Array.prototype.forEach;

Array.each = Array.forEach;



function $A(array){

	return Array.copy(array);

};



function $each(iterable, fn, bind){

	if (iterable && typeof iterable.length == 'number' && $type(iterable) != 'object'){

		Array.forEach(iterable, fn, bind);

	} else {

		 for (var name in iterable) fn.call(bind || iterable, iterable[name], name);

	}

};



String.extend({



	test: function(regex, params){

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

	},



	toInt: function(){

		return parseInt(this, 10);

	},



	toFloat: function(){

		return parseFloat(this);

	},



	camelCase: function(){

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

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

		});

	},



	hyphenate: function(){

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

			return (match.charAt(0) + '-' + match.charAt(1).toLowerCase());

		});

	},



	capitalize: function(){

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

			return match.toUpperCase();

		});

	},



	trim: function(){

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

	},



	clean: function(){

		return this.replace(/\s{2,}/g, ' ').trim();

	},



	rgbToHex: function(array){

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

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

	},



	hexToRgb: function(array){

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

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

	},



	contains: function(string, s){

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

	},



	escapeRegExp: function(){

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

	}



});



Array.extend({



	rgbToHex: function(array){

		if (this.length < 3) return false;

		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('');

	},



	hexToRgb: function(array){

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

		var rgb = [];

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

			rgb.push(parseInt((this[i].length == 1) ? this[i] + this[i] : this[i], 16));

		}

		return array ? rgb : 'rgb(' + rgb.join(',') + ')';

	}



});



Function.extend({



	create: function(options){

		var fn = this;

		options = $merge({

			'bind': fn,

			'event': false,

			'arguments': null,

			'delay': false,

			'periodical': false,

			'attempt': false

		}, options);

		if ($chk(options.arguments) && $type(options.arguments) != 'array') options.arguments = [options.arguments];

		return function(event){

			var args;

			if (options.event){

				event = event || window.event;

				args = [(options.event === true) ? event : new options.event(event)];

				if (options.arguments) args.extend(options.arguments);

			}

			else args = options.arguments || arguments;

			var returns = function(){

				return fn.apply($pick(options.bind, fn), args);

			};

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

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

			if (options.attempt) try {return returns();} catch(err){return false;};

			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});

	},



	bindAsEventListener: 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})();

	}



});



Number.extend({



	toInt: function(){

		return parseInt(this);

	},



	toFloat: function(){

		return parseFloat(this);

	},



	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){

		for (var i = 0; i < this; i++) fn(i);

	}



});



var Element = new Class({



	initialize: function(el, props){

		if ($type(el) == 'string'){

			if (window.ie && props && (props.name || props.type)){

				var name = (props.name) ? ' name="' + props.name + '"' : '';

				var type = (props.type) ? ' type="' + props.type + '"' : '';

				delete props.name;

				delete props.type;

				el = '<' + el + name + type + '>';

			}

			el = document.createElement(el);

		}

		el = $(el);

		return (!props || !el) ? el : el.set(props);

	}



});



var Elements = new Class({



	initialize: function(elements){

		return (elements) ? $extend(elements, this) : this;

	}



});



Elements.extend = function(props){

	for (var prop in props){

		this.prototype[prop] = props[prop];

		this[prop] = $native.generic(prop);

	}

};



function $(el){

	if (!el) return false;

	if (el.htmlElement) return Garbage.collect(el);

	if ([window, document].contains(el)) return el;

	var type = $type(el);

	if (type == 'string'){

		el = document.getElementById(el);

		type = (el) ? 'element' : false;

	}

	if (type != 'element') return false;

	if (el.htmlElement) return Garbage.collect(el);

	if (['object', 'embed'].contains(el.tagName.toLowerCase())) return el;

	$extend(el, Element.prototype);

	el.htmlElement = function(){};

	return Garbage.collect(el);

};



document.getElementsBySelector = document.getElementsByTagName;



function $$(){

	var elements = [];

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

		var selector = arguments[i];

		switch($type(selector)){

			case 'element': elements.push(selector);

			case 'boolean': break;

			case false: break;

			case 'string': selector = document.getElementsBySelector(selector, true);

			default: elements.extend(selector);

		}

	}

	return $$.unique(elements);

};



$$.unique = function(array){

	var elements = [];

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

		if (array[i].$included) continue;

		var element = $(array[i]);

		if (element && !element.$included){

			element.$included = true;

			elements.push(element);

		}

	}

	for (var n = 0, d = elements.length; n < d; n++) elements[n].$included = null;

	return new Elements(elements);

};



Elements.Multi = function(property){

	return function(){

		var args = arguments;

		var items = [];

		var elements = true;

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

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

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

			items.push(returns);

		};

		return (elements) ? $$.unique(items) : items;

	};

};



Element.extend = function(properties){

	for (var property in properties){

		HTMLElement.prototype[property] = properties[property];

		Element.prototype[property] = properties[property];

		Element[property] = $native.generic(property);

		var elementsProperty = (Array.prototype[property]) ? property + 'Elements' : property;

		Elements.prototype[elementsProperty] = Elements.Multi(property);

	}

};



Element.extend({



	set: function(props){

		for (var prop in props){

			var val = props[prop];

			switch(prop){

				case 'styles': this.setStyles(val); break;

				case 'events': if (this.addEvents) this.addEvents(val); break;

				case 'properties': this.setProperties(val); break;

				default: this.setProperty(prop, val);

			}

		}

		return this;

	},



	inject: function(el, where){

		el = $(el);
		switch(where){

			case 'before': el.parentNode.insertBefore(this, el); break;

			case 'after':

				var next = el.getNext();

				if (!next) el.parentNode.appendChild(this);

				else el.parentNode.insertBefore(this, next);

				break;

			case 'top':

				var first = el.firstChild;

				if (first){

					el.insertBefore(this, first);

					break;

				}

			default: el.appendChild(this);

		}

		return this;

	},



	injectBefore: function(el){

		return this.inject(el, 'before');

	},



	injectAfter: function(el){

		return this.inject(el, 'after');

	},



	injectInside: function(el){

		return this.inject(el, 'bottom');

	},



	injectTop: function(el){

		return this.inject(el, 'top');

	},



	adopt: function(){

		var elements = [];

		$each(arguments, function(argument){

			elements = elements.concat(argument);

		});

		$$(elements).inject(this);

		return this;

	},



	remove: function(){

		return this.parentNode.removeChild(this);

	},



	clone: function(contents){

		var el = $(this.cloneNode(contents !== false));

		if (!el.$events) return el;

		el.$events = {};

		for (var type in this.$events) el.$events[type] = {

			'keys': $A(this.$events[type].keys),

			'values': $A(this.$events[type].values)

		};

		return el.removeEvents();

	},



	replaceWith: function(el){

		el = $(el);

		this.parentNode.replaceChild(el, this);

		return el;

	},



	appendText: function(text){

		if (window.ie){

			switch(this.getTag()){

				case 'style': this.styleSheet.cssText = text; return this;

				case 'script': return this.setProperty('text', text);

			}

		}

		this.appendChild(document.createTextNode(text));

		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);

	},



	setStyle: function(property, value){

		switch(property){

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

			case 'float': property = (window.ie) ? 'styleFloat' : 'cssFloat';

		}

		property = property.camelCase();

		switch($type(value)){

			case 'number': if (!['zIndex', 'zoom'].contains(property)) value += 'px'; break;

			case 'array': value = 'rgb(' + value.join(',') + ')';

		}

		this.style[property] = value;

		return this;

	},



	setStyles: function(source){

		switch($type(source)){

			case 'object': Element.setMany(this, 'setStyle', source); break;

			case 'string': this.style.cssText = source;

		}

		return this;

	},



	setOpacity: function(opacity){

		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 (window.ie) this.style.filter = (opacity == 1) ? '' : "alpha(opacity=" + opacity * 100 + ")";

		this.style.opacity = this.$tmp.opacity = opacity;

		return this;

	},



	getStyle: function(property){

		property = property.camelCase();

		var result = this.style[property];

		if (!$chk(result)){

			if (property == 'opacity') return this.$tmp.opacity;

			result = [];

			for (var style in Element.Styles){

				if (property == style){

					Element.Styles[style].each(function(s){

						var style = this.getStyle(s);

						result.push(parseInt(style) ? style : '0px');

					}, this);

					if (property == 'border'){

						var every = result.every(function(bit){

							return (bit == result[0]);

						});

						return (every) ? result[0] : false;

					}

					return result.join(' ');

				}

			}

			if (property.contains('border')){

				if (Element.Styles.border.contains(property)){

					return ['Width', 'Style', 'Color'].map(function(p){

						return this.getStyle(property + p);

					}, this).join(' ');

				} else if (Element.borderShort.contains(property)){

					return ['Top', 'Right', 'Bottom', 'Left'].map(function(p){

						return this.getStyle('border' + p + property.replace('border', ''));

					}, this).join(' ');

				}

			}

			if (document.defaultView) result = document.defaultView.getComputedStyle(this, null).getPropertyValue(property.hyphenate());

			else if (this.currentStyle) result = this.currentStyle[property];

		}

		if (window.ie) result = Element.fixStyle(property, result, this);

		if (result && property.test(/color/i) && result.contains('rgb')){

			return result.split('rgb').splice(1,4).map(function(color){

				return color.rgbToHex();

			}).join(' ');

		}

		return result;

	},



	getStyles: function(){

		return Element.getMany(this, 'getStyle', arguments);

	},



	walk: function(brother, start){

		brother += 'Sibling';

		var el = (start) ? this[start] : this[brother];

		while (el && $type(el) != 'element') el = el[brother];

		return $(el);

	},



	getPrevious: function(){

		return this.walk('previous');

	},



	getNext: function(){

		return this.walk('next');

	},



	getFirst: function(){

		return this.walk('next', 'firstChild');

	},



	getLast: function(){

		return this.walk('previous', 'lastChild');

	},



	getParent: function(){

		return $(this.parentNode);

	},



	getChildren: function(){

		return $$(this.childNodes);

	},



	hasChild: function(el){

		return !!$A(this.getElementsByTagName('*')).contains(el);

	},



	getProperty: function(property){

		var index = Element.Properties[property];

		if (index) return this[index];

		var flag = Element.PropertiesIFlag[property] || 0;

		if (!window.ie || flag) return this.getAttribute(property, flag);

		var node = this.attributes[property];

		return (node) ? node.nodeValue : null;

	},



	removeProperty: function(property){

		var index = Element.Properties[property];

		if (index) this[index] = '';

		else this.removeAttribute(property);

		return this;

	},



	getProperties: function(){

		return Element.getMany(this, 'getProperty', arguments);

	},



	setProperty: function(property, value){

		var index = Element.Properties[property];

		if (index) this[index] = value;

		else this.setAttribute(property, value);

		return this;

	},



	setProperties: function(source){

		return Element.setMany(this, 'setProperty', source);

	},



	setHTML: function(){

		this.innerHTML = $A(arguments).join('');

		return this;

	},



	getTag: function(){

		return this.tagName.toLowerCase();

	},



	empty: function(){

		Garbage.trash(this.getElementsByTagName('*'));

		return this.setHTML('');

	}



});



Element.fixStyle = function(property, result, element){

	if ($chk(parseInt(result))) return result;

	if (['height', 'width'].contains(property)){

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

		var size = 0;

		values.each(function(value){

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

		});

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

	} else if (property.test(/border(.+)Width|margin|padding/)){

		return '0px';

	}

	return result;

};



Element.Styles = {'border': [], 'padding': [], 'margin': []};

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

	for (var style in Element.Styles) Element.Styles[style].push(style + direction);

});



Element.borderShort = ['borderWidth', 'borderStyle', 'borderColor'];



Element.getMany = function(el, method, keys){

	var result = {};

	$each(keys, function(key){

		result[key] = el[method](key);

	});

	return result;

};



Element.setMany = function(el, method, pairs){

	for (var key in pairs) el[method](key, pairs[key]);

	return el;

};



Element.Properties = new Abstract({

	'class': 'className', 'for': 'htmlFor', 'colspan': 'colSpan', 'rowspan': 'rowSpan',

	'accesskey': 'accessKey', 'tabindex': 'tabIndex', 'maxlength': 'maxLength',

	'readonly': 'readOnly', 'frameborder': 'frameBorder', 'value': 'value',

	'disabled': 'disabled', 'checked': 'checked', 'multiple': 'multiple', 'selected': 'selected'

});

Element.PropertiesIFlag = {

	'href': 2, 'src': 2

};



Element.Methods = {

	Listeners: {

		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;

		}

	}

};



window.extend(Element.Methods.Listeners);

document.extend(Element.Methods.Listeners);

Element.extend(Element.Methods.Listeners);



var Garbage = {



	elements: [],



	collect: function(el){

		if (!el.$tmp){

			Garbage.elements.push(el);

			el.$tmp = {'opacity': 1};

		}

		return el;

	},



	trash: function(elements){

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

			if (!(el = elements[i]) || !el.$tmp) continue;

			if (el.$events) el.fireEvent('trash').removeEvents();

			for (var p in el.$tmp) el.$tmp[p] = null;

			for (var d in Element.prototype) el[d] = null;

			Garbage.elements[Garbage.elements.indexOf(el)] = null;

			el.htmlElement = el.$tmp = el = null;

		}

		Garbage.elements.remove(null);

	},



	empty: function(){

		Garbage.collect(window);

		Garbage.collect(document);

		Garbage.trash(Garbage.elements);

	}



};

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

	window.addListener('unload', Garbage.empty);

	if (window.ie) window.addListener('unload', CollectGarbage);

});



var Event = new Class({



	initialize: function(event){

		if (event && event.$extended) return event;

		this.$extended = true;

		event = event || window.event;

		this.event = event;

		this.type = event.type;

		this.target = event.target || event.srcElement;

		if (this.target.nodeType == 3) this.target = this.target.parentNode;

		this.shift = event.shiftKey;

		this.control = event.ctrlKey;

		this.alt = event.altKey;

		this.meta = event.metaKey;

		if (['DOMMouseScroll', 'mousewheel'].contains(this.type)){

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

		} else if (this.type.contains('key')){

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

			for (var name in Event.keys){

				if (Event.keys[name] == this.code){

					this.key = name;

					break;

				}

			}

			if (this.type == 'keydown'){

				var fKey = this.code - 111;

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

			}

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

		} else if (this.type.test(/(click|mouse|menu)/)){

			this.page = {

				'x': event.pageX || event.clientX + document.documentElement.scrollLeft,

				'y': event.pageY || event.clientY + document.documentElement.scrollTop

			};

			this.client = {

				'x': event.pageX ? event.pageX - window.pageXOffset : event.clientX,

				'y': event.pageY ? event.pageY - window.pageYOffset : event.clientY

			};

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

			switch(this.type){

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

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

			}

			this.fixRelatedTarget();

		}

		return this;

	},



	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;

	}



});



Event.fix = {



	relatedTarget: function(){

		if (this.relatedTarget && this.relatedTarget.nodeType == 3) this.relatedTarget = this.relatedTarget.parentNode;

	},



	relatedTargetGecko: function(){

		try {Event.fix.relatedTarget.call(this);} catch(e){this.relatedTarget = this.target;}

	}



};



Event.prototype.fixRelatedTarget = (window.gecko) ? Event.fix.relatedTargetGecko : Event.fix.relatedTarget;



Event.keys = new Abstract({

	'enter': 13,

	'up': 38,

	'down': 40,

	'left': 37,

	'right': 39,

	'esc': 27,

	'space': 32,

	'backspace': 8,

	'tab': 9,

	'delete': 46

});



Element.Methods.Events = {



	addEvent: function(type, fn){

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

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

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

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

		var realType = type;

		var custom = Element.Events[type];

		if (custom){

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

			if (custom.map) fn = custom.map;

			if (custom.type) realType = custom.type;

		}

		if (!this.addEventListener) fn = fn.create({'bind': this, 'event': true});

		this.$events[type].values.push(fn);

		return (Element.NativeEvents.contains(realType)) ? this.addListener(realType, fn) : this;

	},



	removeEvent: function(type, fn){

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

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

		if (pos == -1) return this;

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

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

		var custom = Element.Events[type];

		if (custom){

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

			if (custom.type) type = custom.type;

		}

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

	},



	addEvents: function(source){

		return Element.setMany(this, 'addEvent', source);

	},



	removeEvents: function(type){

		if (!this.$events) return this;

		if (!type){

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

			this.$events = null;

		} else if (this.$events[type]){

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

				this.removeEvent(type, fn);

			}, this);

			this.$events[type] = null;

		}

		return this;

	},



	fireEvent: function(type, args, delay){

		if (this.$events && this.$events[type]){

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

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

			}, this);

		}

		return this;

	},



	cloneEvents: function(from, type){

		if (!from.$events) return this;

		if (!type){

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

		} else if (from.$events[type]){

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

				this.addEvent(type, fn);

			}, this);

		}

		return this;

	}



};



window.extend(Element.Methods.Events);

document.extend(Element.Methods.Events);

Element.extend(Element.Methods.Events);



Element.Events = new Abstract({



	'mouseenter': {

		type: 'mouseover',

		map: function(event){

			event = new Event(event);

			if (event.relatedTarget != this && !this.hasChild(event.relatedTarget)) this.fireEvent('mouseenter', event);

		}

	},



	'mouseleave': {

		type: 'mouseout',

		map: function(event){

			event = new Event(event);

			if (event.relatedTarget != this && !this.hasChild(event.relatedTarget)) this.fireEvent('mouseleave', event);

		}

	},



	'mousewheel': {

		type: (window.gecko) ? 'DOMMouseScroll' : 'mousewheel'

	}



});



Element.NativeEvents = [

	'click', 'dblclick', 'mouseup', 'mousedown',

	'mousewheel', 'DOMMouseScroll',

	'mouseover', 'mouseout', 'mousemove',

	'keydown', 'keypress', 'keyup',

	'load', 'unload', 'beforeunload', 'resize', 'move',

	'focus', 'blur', 'change', 'submit', 'reset', 'select',

	'error', 'abort', 'contextmenu', 'scroll'

];



Function.extend({



	bindWithEvent: function(bind, args){

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

	}



});



Elements.extend({



	filterByTag: function(tag){

		return new Elements(this.filter(function(el){

			return (Element.getTag(el) == tag);

		}));

	},



	filterByClass: function(className, nocash){

		var elements = this.filter(function(el){

			return (el.className && el.className.contains(className, ' '));

		});

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

	},



	filterById: function(id, nocash){

		var elements = this.filter(function(el){

			return (el.id == id);

		});

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

	},



	filterByAttribute: function(name, operator, value, nocash){

		var elements = this.filter(function(el){

			var current = Element.getProperty(el, name);

			if (!current) return false;

			if (!operator) return true;

			switch(operator){

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

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

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

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

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

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

			}

			return false;

		});

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

	}



});



function $E(selector, filter){

	return ($(filter) || document).getElement(selector);

};



function $ES(selector, filter){

	return ($(filter) || document).getElementsBySelector(selector);

};



$$.shared = {



	'regexp': /^(\w*|\*)(?:#([\w-]+)|\.([\w-]+))?(?:\[(\w+)(?:([!*^$]?=)["']?([^"'\]]*)["']?)?])?$/,



	'xpath': {



		getParam: function(items, context, param, i){

			var temp = [context.namespaceURI ? 'xhtml:' : '', param[1]];

			if (param[2]) temp.push('[@id="', param[2], '"]');

			if (param[3]) temp.push('[contains(concat(" ", @class, " "), " ', param[3], ' ")]');

			if (param[4]){

				if (param[5] && param[6]){

					switch(param[5]){

						case '*=': temp.push('[contains(@', param[4], ', "', param[6], '")]'); break;

						case '^=': temp.push('[starts-with(@', param[4], ', "', param[6], '")]'); break;

						case '$=': temp.push('[substring(@', param[4], ', string-length(@', param[4], ') - ', param[6].length, ' + 1) = "', param[6], '"]'); break;

						case '=': temp.push('[@', param[4], '="', param[6], '"]'); break;

						case '!=': temp.push('[@', param[4], '!="', param[6], '"]');

					}

				} else {

					temp.push('[@', param[4], ']');

				}

			}

			items.push(temp.join(''));

			return items;

		},



		getItems: function(items, context, nocash){

			var elements = [];

			var xpath = document.evaluate('.//' + items.join('//'), context, $$.shared.resolver, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);

			for (var i = 0, j = xpath.snapshotLength; i < j; i++) elements.push(xpath.snapshotItem(i));

			return (nocash) ? elements : new Elements(elements.map($));

		}



	},



	'normal': {



		getParam: function(items, context, param, i){

			if (i == 0){

				if (param[2]){

					var el = context.getElementById(param[2]);

					if (!el || ((param[1] != '*') && (Element.getTag(el) != param[1]))) return false;

					items = [el];

				} else {

					items = $A(context.getElementsByTagName(param[1]));

				}

			} else {

				items = $$.shared.getElementsByTagName(items, param[1]);

				if (param[2]) items = Elements.filterById(items, param[2], true);

			}

			if (param[3]) items = Elements.filterByClass(items, param[3], true);

			if (param[4]) items = Elements.filterByAttribute(items, param[4], param[5], param[6], true);

			return items;

		},



		getItems: function(items, context, nocash){

			return (nocash) ? items : $$.unique(items);

		}



	},



	resolver: function(prefix){

		return (prefix == 'xhtml') ? 'http://www.w3.org/1999/xhtml' : false;

	},



	getElementsByTagName: function(context, tagName){

		var found = [];

		for (var i = 0, j = context.length; i < j; i++) found.extend(context[i].getElementsByTagName(tagName));

		return found;

	}



};



$$.shared.method = (window.xpath) ? 'xpath' : 'normal';



Element.Methods.Dom = {



	getElements: function(selector, nocash){

		var items = [];

		selector = selector.trim().split(' ');

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

			var sel = selector[i];

			var param = sel.match($$.shared.regexp);

			if (!param) break;

			param[1] = param[1] || '*';

			var temp = $$.shared[$$.shared.method].getParam(items, this, param, i);

			if (!temp) break;

			items = temp;

		}

		return $$.shared[$$.shared.method].getItems(items, this, nocash);

	},



	getElement: function(selector){

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

	},



	getElementsBySelector: function(selector, nocash){

		var elements = [];

		selector = selector.split(',');

		for (var i = 0, j = selector.length; i < j; i++) elements = elements.concat(this.getElements(selector[i], true));

		return (nocash) ? elements : $$.unique(elements);

	}



};



Element.extend({



	getElementById: function(id){

		var el = document.getElementById(id);

		if (!el) return false;

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

			if (!parent) return false;

		}

		return el;

	}



});



document.extend(Element.Methods.Dom);

Element.extend(Element.Methods.Dom);



Element.extend({



	getValue: function(){

		switch(this.getTag()){

			case 'select':

				var values = [];

				$each(this.options, function(option){

					if (option.selected) values.push($pick(option.value, option.text));

				});

				return (this.multiple) ? values : values[0];

			case 'input': if (!(this.checked && ['checkbox', 'radio'].contains(this.type)) && !['hidden', 'text', 'password'].contains(this.type)) break;

			case 'textarea': return this.value;

		}

		return false;

	},



	getFormElements: function(){

		return $$(this.getElementsByTagName('input'), this.getElementsByTagName('select'), this.getElementsByTagName('textarea'));

	},



	toQueryString: function(){

		var queryString = [];

		this.getFormElements().each(function(el){

			var name = el.name;

			var value = el.getValue();

			if (value === false || !name || el.disabled) return;

			var qs = function(val){

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

			};

			if ($type(value) == 'array') value.each(qs);

			else qs(value);

		});

		return queryString.join('&');

	}



});



Element.extend({



	scrollTo: function(x, y){

		this.scrollLeft = x;

		this.scrollTop = y;

	},



	getSize: function(){

		return {

			'scroll': {'x': this.scrollLeft, 'y': this.scrollTop},

			'size': {'x': this.offsetWidth, 'y': this.offsetHeight},

			'scrollSize': {'x': this.scrollWidth, 'y': this.scrollHeight}

		};

	},



	getPosition: function(overflown){

		overflown = overflown || [];

		var el = this, left = 0, top = 0;

		do {

			left += el.offsetLeft || 0;

			top += el.offsetTop || 0;

			el = el.offsetParent;

		} while (el);

		overflown.each(function(element){

			left -= element.scrollLeft || 0;

			top -= element.scrollTop || 0;

		});

		return {'x': left, 'y': top};

	},



	getTop: function(overflown){

		return this.getPosition(overflown).y;

	},



	getLeft: function(overflown){

		return this.getPosition(overflown).x;

	},



	getCoordinates: function(overflown){

		var position = this.getPosition(overflown);

		var obj = {

			'width': this.offsetWidth,

			'height': this.offsetHeight,

			'left': position.x,

			'top': position.y

		};

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

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

		return obj;

	}



});



Element.Events.domready = {



	add: function(fn){

		if (window.loaded){

			fn.call(this);

			return;

		}

		var domReady = function(){

			if (window.loaded) return;

			window.loaded = true;

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

			this.fireEvent('domready');

		}.bind(this);

		if (document.readyState && window.webkit){

			window.timer = function(){

				if (['loaded','complete'].contains(document.readyState)) domReady();

			}.periodical(50);

		} else if (document.readyState && window.ie){

			if (!$('ie_ready')){

				var src = (window.location.protocol == 'https:') ? '://0' : 'javascript:void(0)';

				document.write('<script id="ie_ready" defer src="' + src + '"><\/script>');

				$('ie_ready').onreadystatechange = function(){

					if (this.readyState == 'complete') domReady();

				};

			}

		} else {

			window.addListener("load", domReady);

			document.addListener("DOMContentLoaded", domReady);

		}

	}



};



window.extend({



	getWidth: function(){

		if (this.webkit419) return this.innerWidth;

		if (this.opera) return document.body.clientWidth;

		return document.documentElement.clientWidth;

	},



	getHeight: function(){

		if (this.webkit419) return this.innerHeight;

		if (this.opera) return document.body.clientHeight;

		return document.documentElement.clientHeight;

	},



	getScrollWidth: function(){

		if (this.ie) return Math.max(document.documentElement.offsetWidth, document.documentElement.scrollWidth);

		if (this.webkit) return document.body.scrollWidth;

		return document.documentElement.scrollWidth;

	},



	getScrollHeight: function(){

		if (this.ie) return Math.max(document.documentElement.offsetHeight, document.documentElement.scrollHeight);

		if (this.webkit) return document.body.scrollHeight;

		return document.documentElement.scrollHeight;

	},



	getScrollLeft: function(){

		return this.pageXOffset || document.documentElement.scrollLeft;

	},



	getScrollTop: function(){

		return this.pageYOffset || document.documentElement.scrollTop;

	},



	getSize: function(){

		return {

			'size': {'x': this.getWidth(), 'y': this.getHeight()},

			'scrollSize': {'x': this.getScrollWidth(), 'y': this.getScrollHeight()},

			'scroll': {'x': this.getScrollLeft(), 'y': this.getScrollTop()}

		};

	},

	getPosition: function(){return {'x': 0, 'y': 0};}



});



var Fx = {};



Fx.Base = new Class({



	options: {

		onStart: Class.empty,

		onComplete: Class.empty,

		onCancel: Class.empty,

		transition: function(p){

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

		},

		duration: 500,

		unit: 'px',

		wait: true,

		fps: 50

	},



	initialize: function(options){

		this.element = this.element || null;

		this.setOptions(options);

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

	},



	step: function(){

		var time = $time();

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

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

			this.setNow();

			this.increase();

		} else {

			this.stop(true);

			this.set(this.to);

			this.fireEvent('onComplete', this.element, 10);

			this.callChain();

		}

	},



	set: function(to){

		this.now = to;

		this.increase();

		return this;

	},



	setNow: function(){

		this.now = this.compute(this.from, this.to);

	},



	compute: function(from, to){

		return (to - from) * this.delta + from;

	},



	start: function(from, to){

		if (!this.options.wait) this.stop();

		else if (this.timer) return this;

		this.from = from;

		this.to = to;

		this.change = this.to - this.from;

		this.time = $time();

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

		this.fireEvent('onStart', this.element);

		return this;

	},



	stop: function(end){

		if (!this.timer) return this;

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

		if (!end) this.fireEvent('onCancel', this.element);

		return this;

	}



});



Fx.Base.implement(new Chain, new Events, new Options);



Fx.CSS = {



	select: function(property, to){

		if (property.test(/color/i)) return this.Color;

		var type = $type(to);

		if ((type == 'array') || (type == 'string' && to.contains(' '))) return this.Multi;

		return this.Single;

	},



	parse: function(el, property, fromTo){

		if (!fromTo.push) fromTo = [fromTo];

		var from = fromTo[0], to = fromTo[1];

		if (!$chk(to)){

			to = from;

			from = el.getStyle(property);

		}

		var css = this.select(property, to);

		return {'from': css.parse(from), 'to': css.parse(to), 'css': css};

	}



};



Fx.CSS.Single = {



	parse: function(value){

		return parseFloat(value);

	},



	getNow: function(from, to, fx){

		return fx.compute(from, to);

	},



	getValue: function(value, unit, property){

		if (unit == 'px' && property != 'opacity') value = Math.round(value);

		return value + unit;

	}



};



Fx.CSS.Multi = {



	parse: function(value){

		return value.push ? value : value.split(' ').map(function(v){

			return parseFloat(v);

		});

	},



	getNow: function(from, to, fx){

		var now = [];

		for (var i = 0; i < from.length; i++) now[i] = fx.compute(from[i], to[i]);

		return now;

	},



	getValue: function(value, unit, property){

		if (unit == 'px' && property != 'opacity') value = value.map(Math.round);

		return value.join(unit + ' ') + unit;

	}



};



Fx.CSS.Color = {



	parse: function(value){

		return value.push ? value : value.hexToRgb(true);

	},



	getNow: function(from, to, fx){

		var now = [];

		for (var i = 0; i < from.length; i++) now[i] = Math.round(fx.compute(from[i], to[i]));

		return now;

	},



	getValue: function(value){

		return 'rgb(' + value.join(',') + ')';

	}



};



Fx.Style = Fx.Base.extend({



	initialize: function(el, property, options){

		this.element = $(el);

		this.property = property;

		this.parent(options);

	},



	hide: function(){

		return this.set(0);

	},



	setNow: function(){

		this.now = this.css.getNow(this.from, this.to, this);

	},



	set: function(to){

		this.css = Fx.CSS.select(this.property, to);

		return this.parent(this.css.parse(to));

	},



	start: function(from, to){

		if (this.timer && this.options.wait) return this;

		var parsed = Fx.CSS.parse(this.element, this.property, [from, to]);

		this.css = parsed.css;

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

	},



	increase: function(){

		this.element.setStyle(this.property, this.css.getValue(this.now, this.options.unit, this.property));

	}



});



Element.extend({



	effect: function(property, options){

		return new Fx.Style(this, property, options);

	}



});



Fx.Styles = Fx.Base.extend({



	initialize: function(el, options){

		this.element = $(el);

		this.parent(options);

	},



	setNow: function(){

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

	},



	set: function(to){

		var parsed = {};

		this.css = {};

		for (var p in to){

			this.css[p] = Fx.CSS.select(p, to[p]);

			parsed[p] = this.css[p].parse(to[p]);

		}

		return this.parent(parsed);

	},



	start: function(obj){

		if (this.timer && this.options.wait) return this;

		this.now = {};

		this.css = {};

		var from = {}, to = {};

		for (var p in obj){

			var parsed = Fx.CSS.parse(this.element, p, obj[p]);

			from[p] = parsed.from;

			to[p] = parsed.to;

			this.css[p] = parsed.css;

		}

		return this.parent(from, to);

	},



	increase: function(){

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

	}



});



Element.extend({



	effects: function(options){

		return new Fx.Styles(this, options);

	}



});



Fx.Elements = Fx.Base.extend({



	initialize: function(elements, options){

		this.elements = $$(elements);

		this.parent(options);

	},



	setNow: function(){

		for (var i in this.from){

			var iFrom = this.from[i], iTo = this.to[i], iCss = this.css[i], iNow = this.now[i] = {};

			for (var p in iFrom) iNow[p] = iCss[p].getNow(iFrom[p], iTo[p], this);

		}

	},



	set: function(to){

		var parsed = {};

		this.css = {};

		for (var i in to){

			var iTo = to[i], iCss = this.css[i] = {}, iParsed = parsed[i] = {};

			for (var p in iTo){

				iCss[p] = Fx.CSS.select(p, iTo[p]);

				iParsed[p] = iCss[p].parse(iTo[p]);

			}

		}

		return this.parent(parsed);

	},



	start: function(obj){

		if (this.timer && this.options.wait) return this;

		this.now = {};

		this.css = {};

		var from = {}, to = {};

		for (var i in obj){

			var iProps = obj[i], iFrom = from[i] = {}, iTo = to[i] = {}, iCss = this.css[i] = {};

			for (var p in iProps){

				var parsed = Fx.CSS.parse(this.elements[i], p, iProps[p]);

				iFrom[p] = parsed.from;

				iTo[p] = parsed.to;

				iCss[p] = parsed.css;

			}

		}

		return this.parent(from, to);

	},



	increase: function(){

		for (var i in this.now){

			var iNow = this.now[i], iCss = this.css[i];

			for (var p in iNow) this.elements[i].setStyle(p, iCss[p].getValue(iNow[p], this.options.unit, p));

		}

	}



});



Fx.Scroll = Fx.Base.extend({



	options: {

		overflown: [],

		offset: {'x': 0, 'y': 0},

		wheelStops: true

	},



	initialize: function(element, options){

		this.now = [];

		this.element = $(element);

		this.bound = {'stop': this.stop.bind(this, false)};

		this.parent(options);

		if (this.options.wheelStops){

			this.addEvent('onStart', function(){

				document.addEvent('mousewheel', this.bound.stop);

			}.bind(this));

			this.addEvent('onComplete', function(){

				document.removeEvent('mousewheel', this.bound.stop);

			}.bind(this));

		}

	},



	setNow: function(){

		for (var i = 0; i < 2; i++) this.now[i] = this.compute(this.from[i], this.to[i]);

	},



	scrollTo: function(x, y){

		if (this.timer && this.options.wait) return this;

		var el = this.element.getSize();

		var values = {'x': x, 'y': y};

		for (var z in el.size){

			var max = el.scrollSize[z] - el.size[z];

			if ($chk(values[z])) values[z] = ($type(values[z]) == 'number') ? values[z].limit(0, max) : max;

			else values[z] = el.scroll[z];

			values[z] += this.options.offset[z];

		}

		return this.start([el.scroll.x, el.scroll.y], [values.x, values.y]);

	},



	toTop: function(){

		return this.scrollTo(false, 0);

	},



	toBottom: function(){

		return this.scrollTo(false, 'full');

	},



	toLeft: function(){

		return this.scrollTo(0, false);

	},



	toRight: function(){

		return this.scrollTo('full', false);

	},



	toElement: function(el){

		var parent = this.element.getPosition(this.options.overflown);

		var target = $(el).getPosition(this.options.overflown);

		return this.scrollTo(target.x - parent.x, target.y - parent.y);

	},



	increase: function(){

		this.element.scrollTo(this.now[0], this.now[1]);

	}



});



Fx.Slide = Fx.Base.extend({



	options: {

		mode: 'vertical'

	},



	initialize: function(el, options){

		this.element = $(el);

		this.wrapper = new Element('div', {'styles': $extend(this.element.getStyles('margin'), {'overflow': 'hidden'})}).injectAfter(this.element).adopt(this.element);

		this.element.setStyle('margin', 0);

		this.setOptions(options);

		this.now = [];

		this.parent(this.options);

		this.open = true;

		this.addEvent('onComplete', function(){

			this.open = (this.now[0] === 0);

		});

		if (window.webkit419) this.addEvent('onComplete', function(){

			if (this.open) this.element.remove().inject(this.wrapper);

		});

	},



	setNow: function(){

		for (var i = 0; i < 2; i++) this.now[i] = this.compute(this.from[i], this.to[i]);

	},



	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;

	},



	slideIn: function(mode){

		this[mode || this.options.mode]();

		return this.start([this.element.getStyle(this.margin).toInt(), this.wrapper.getStyle(this.layout).toInt()], [0, this.offset]);

	},



	slideOut: function(mode){

		this[mode || this.options.mode]();

		return this.start([this.element.getStyle(this.margin).toInt(), this.wrapper.getStyle(this.layout).toInt()], [-this.offset, 0]);

	},



	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){

		if (this.wrapper.offsetHeight == 0 || this.wrapper.offsetWidth == 0) return this.slideIn(mode);

		return this.slideOut(mode);

	},



	increase: function(){

		this.element.setStyle(this.margin, this.now[0] + this.options.unit);

		this.wrapper.setStyle(this.layout, this.now[1] + this.options.unit);

	}



});



Fx.Transition = function(transition, params){

	params = params || [];

	if ($type(params) != 'array') params = [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 Abstract({



	linear: function(p){

		return p;

	}



});



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]);

	});

});



var Drag = {};



Drag.Base = new Class({



	options: {

		handle: false,

		unit: 'px',

		onStart: Class.empty,

		onBeforeStart: Class.empty,

		onComplete: Class.empty,

		onSnap: Class.empty,

		onDrag: Class.empty,

		limit: false,

		modifiers: {x: 'left', y: 'top'},

		grid: false,

		snap: 6

	},



	initialize: function(el, options){

		this.setOptions(options);

		this.element = $(el);

		this.handle = $(this.options.handle) || this.element;

		this.mouse = {'now': {}, 'pos': {}};

		this.value = {'start': {}, 'now': {}};

		this.bound = {

			'start': this.start.bindWithEvent(this),

			'check': this.check.bindWithEvent(this),

			'drag': this.drag.bindWithEvent(this),

			'stop': this.stop.bind(this)

		};

		this.attach();

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

	},



	attach: function(){

		this.handle.addEvent('mousedown', this.bound.start);

		return this;

	},



	detach: function(){

		this.handle.removeEvent('mousedown', this.bound.start);

		return this;

	},



	start: function(event){

		this.fireEvent('onBeforeStart', 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;

			this.value.now[z] = this.element.getStyle(this.options.modifiers[z]).toInt();

			this.mouse.pos[z] = event.page[z] - this.value.now[z];

			if (limit && limit[z]){

				for (var i = 0; i < 2; i++){

					if ($chk(limit[z][i])) this.limit[z][i] = ($type(limit[z][i]) == 'function') ? limit[z][i]() : limit[z][i];

				}

			}

		}

		if ($type(this.options.grid) == 'number') this.options.grid = {'x': this.options.grid, 'y': this.options.grid};

		document.addListener('mousemove', this.bound.check);

		document.addListener('mouseup', this.bound.stop);

		this.fireEvent('onStart', this.element);

		event.stop();

	},



	check: function(event){

		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){

			document.removeListener('mousemove', this.bound.check);

			document.addListener('mousemove', this.bound.drag);

			this.drag(event);

			this.fireEvent('onSnap', this.element);

		}

		event.stop();

	},



	drag: function(event){

		this.out = false;

		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.limit[z]){

				if ($chk(this.limit[z][1]) && (this.value.now[z] > this.limit[z][1])){

					this.value.now[z] = this.limit[z][1];

					this.out = true;

				} else if ($chk(this.limit[z][0]) && (this.value.now[z] < this.limit[z][0])){

					this.value.now[z] = this.limit[z][0];

					this.out = true;

				}

			}

			if (this.options.grid[z]) this.value.now[z] -= (this.value.now[z] % this.options.grid[z]);

			this.element.setStyle(this.options.modifiers[z], this.value.now[z] + this.options.unit);

		}

		this.fireEvent('onDrag', this.element);

		event.stop();

	},



	stop: function(){

		document.removeListener('mousemove', this.bound.check);

		document.removeListener('mousemove', this.bound.drag);

		document.removeListener('mouseup', this.bound.stop);

		this.fireEvent('onComplete', this.element);

	}



});



Drag.Base.implement(new Events, new Options);



Element.extend({



	makeResizable: function(options){

		return new Drag.Base(this, $merge({modifiers: {x: 'width', y: 'height'}}, options));

	}



});



Drag.Move = Drag.Base.extend({



	options: {

		droppables: [],

		container: false,

		overflown: []

	},



	initialize: function(el, options){

		this.setOptions(options);

		this.element = $(el);

		this.droppables = $$(this.options.droppables);

		this.container = $(this.options.container);

		this.position = {'element': this.element.getStyle('position'), 'container': false};

		if (this.container) this.position.container = this.container.getStyle('position');

		if (!['relative', 'absolute', 'fixed'].contains(this.position.element)) this.position.element = 'absolute';

		var top = this.element.getStyle('top').toInt();

		var left = this.element.getStyle('left').toInt();

		if (this.position.element == 'absolute' && !['relative', 'absolute', 'fixed'].contains(this.position.container)){

			top = $chk(top) ? top : this.element.getTop(this.options.overflown);

			left = $chk(left) ? left : this.element.getLeft(this.options.overflown);

		} else {

			top = $chk(top) ? top : 0;

			left = $chk(left) ? left : 0;

		}

		this.element.setStyles({'top': top, 'left': left, 'position': this.position.element});

		this.parent(this.element);

	},



	start: function(event){

		this.overed = null;

		if (this.container){

			var cont = this.container.getCoordinates();

			var el = this.element.getCoordinates();

			if (this.position.element == 'absolute' && !['relative', 'absolute', 'fixed'].contains(this.position.container)){

				this.options.limit = {

					'x': [cont.left, cont.right - el.width],

					'y': [cont.top, cont.bottom - el.height]

				};

			} else {

				this.options.limit = {

					'y': [0, cont.height - el.height],

					'x': [0, cont.width - el.width]

				};

			}

		}

		this.parent(event);

	},



	drag: function(event){

		this.parent(event);

		var overed = this.out ? false : this.droppables.filter(this.checkAgainst, this).getLast();

		if (this.overed != overed){

			if (this.overed) this.overed.fireEvent('leave', [this.element, this]);

			this.overed = overed ? overed.fireEvent('over', [this.element, this]) : null;

		}

		return this;

	},



	checkAgainst: function(el){

		el = el.getCoordinates(this.options.overflown);

		var now = this.mouse.now;

		return (now.x > el.left && now.x < el.right && now.y < el.bottom && now.y > el.top);

	},



	stop: function(){

		if (this.overed && !this.out) this.overed.fireEvent('drop', [this.element, this]);

		else this.element.fireEvent('emptydrop', this);

		this.parent();

		return this;

	}



});



Element.extend({



	makeDraggable: function(options){

		return new Drag.Move(this, options);

	}



});



var XHR = new Class({



	options: {

		method: 'post',

		async: true,

		onRequest: Class.empty,

		onSuccess: Class.empty,

		onFailure: Class.empty,

		urlEncoded: true,

		encoding: 'utf-8',

		autoCancel: false,

		headers: {}

	},



	setTransport: function(){

		this.transport = (window.XMLHttpRequest) ? new XMLHttpRequest() : (window.ie ? new ActiveXObject('Microsoft.XMLHTTP') : false);

		return this;

	},



	initialize: function(options){

		this.setTransport().setOptions(options);

		this.options.isSuccess = this.options.isSuccess || this.isSuccess;

		this.headers = {};

		if (this.options.urlEncoded && this.options.method == 'post'){

			var encoding = (this.options.encoding) ? '; charset=' + this.options.encoding : '';

			this.setHeader('Content-type', 'application/x-www-form-urlencoded' + encoding);

		}

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

	},



	onStateChange: function(){

		if (this.transport.readyState != 4 || !this.running) return;

		this.running = false;

		var status = 0;

		try {status = this.transport.status;} catch(e){};

		if (this.options.isSuccess.call(this, status)) this.onSuccess();

		else this.onFailure();

		this.transport.onreadystatechange = Class.empty;

	},



	isSuccess: function(status){

		return ((status >= 200) && (status < 300));

	},



	onSuccess: function(){

		this.response = {

			'text': this.transport.responseText,

			'xml': this.transport.responseXML

		};

		this.fireEvent('onSuccess', [this.response.text, this.response.xml]);

		this.callChain();

	},



	onFailure: function(){

		this.fireEvent('onFailure', this.transport);

	},



	setHeader: function(name, value){

		this.headers[name] = value;

		return this;

	},



	send: function(url, data){

		if (this.options.autoCancel) this.cancel();

		else if (this.running) return this;

		this.running = true;

		if (data && this.options.method == 'get'){

			url = url + (url.contains('?') ? '&' : '?') + data;

			data = null;

		}

		this.transport.open(this.options.method.toUpperCase(), url, this.options.async);

		this.transport.onreadystatechange = this.onStateChange.bind(this);

		if ((this.options.method == 'post') && this.transport.overrideMimeType) this.setHeader('Connection', 'close');

		$extend(this.headers, this.options.headers);

		for (var type in this.headers) try {this.transport.setRequestHeader(type, this.headers[type]);} catch(e){};

		this.fireEvent('onRequest');

		this.transport.send($pick(data, null));

		return this;

	},



	cancel: function(){

		if (!this.running) return this;

		this.running = false;

		this.transport.abort();

		this.transport.onreadystatechange = Class.empty;

		this.setTransport();

		this.fireEvent('onCancel');

		return this;

	}



});



XHR.implement(new Chain, new Events, new Options);



var Ajax = XHR.extend({



	options: {

		data: null,

		update: null,

		onComplete: Class.empty,

		evalScripts: false,

		evalResponse: false

	},



	initialize: function(url, options){

		this.addEvent('onSuccess', this.onComplete);

		this.setOptions(options);

		if (!['post', 'get'].contains(this.options.method)){

			this._method = '_method=' + this.options.method;

			this.options.method = 'post';

		}

		this.parent();

		this.setHeader('X-Requested-With', 'XMLHttpRequest');

		this.setHeader('Accept', 'text/javascript, text/html, application/xml, text/xml, */*');

		this.url = url;

	},



	onComplete: function(){

		if (this.options.update) $(this.options.update).empty().setHTML(this.response.text);

		if (this.options.evalScripts || this.options.evalResponse) this.evalScripts();

		this.fireEvent('onComplete', [this.response.text, this.response.xml], 20);

	},



	request: function(data){

		data = data || this.options.data;

		switch($type(data)){

			case 'element': data = $(data).toQueryString(); break;

			case 'object': data = Object.toQueryString(data);

		}

		if (this._method) data = (data) ? [this._method, data].join('&') : this._method;

		return this.send(this.url, data);

	},



	evalScripts: function(){

		var script, scripts;

		if (this.options.evalResponse || (/(ecma|java)script/).test(this.getHeader('Content-type'))) scripts = this.response.text;

		else {

			scripts = [];

			var regexp = /<script[^>]*>([\s\S]*?)<\/script>/gi;

			while ((script = regexp.exec(this.response.text))) scripts.push(script[1]);

			scripts = scripts.join('\n');

		}

		if (scripts) (window.execScript) ? window.execScript(scripts) : eval.call(window, scripts);

	},



	getHeader: function(name){

		try {return this.transport.getResponseHeader(name);} catch(e){};

		return null;

	}



});



Object.toQueryString = function(source){

	var queryString = [];

	for (var property in source) queryString.push(encodeURIComponent(property) + '=' + encodeURIComponent(source[property]));

	return queryString.join('&');

};



Element.extend({



	send: function(options){

		return new Ajax(this.getProperty('action'), $merge({data: this.toQueryString()}, options, {method: 'post'})).request();

	}



});



var Cookie = new Abstract({



	options: {

		domain: false,

		path: false,

		duration: false,

		secure: false

	},



	set: function(key, value, options){

		options = $merge(this.options, options);

		value = encodeURIComponent(value);

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

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

		if (options.duration){

			var date = new Date();

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

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

		}

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

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

		return $extend(options, {'key': key, 'value': value});

	},



	get: function(key){

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

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

	},



	remove: function(cookie, options){

		if ($type(cookie) == 'object') this.set(cookie.key, '', $merge(cookie, {duration: -1}));

		else this.set(cookie, '', $merge(options, {duration: -1}));

	}



});



var Json = {



	toString: function(obj){

		switch($type(obj)){

			case 'string':

				return '"' + obj.replace(/(["\\])/g, '\\$1') + '"';

			case 'array':

				return '[' + obj.map(Json.toString).join(',') + ']';

			case 'object':

				var string = [];

				for (var property in obj) string.push(Json.toString(property) + ':' + Json.toString(obj[property]));

				return '{' + string.join(',') + '}';

			case 'number':

				if (isFinite(obj)) break;

			case false:

				return 'null';

		}

		return String(obj);

	},



	evaluate: function(str, secure){

		return (($type(str) != 'string') || (secure && !str.test(/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/))) ? null : eval('(' + str + ')');

	}



};



Json.Remote = XHR.extend({



	initialize: function(url, options){

		this.url = url;

		this.addEvent('onSuccess', this.onComplete);

		this.parent(options);

		this.setHeader('X-Request', 'JSON');

	},



	send: function(obj){

		return this.parent(this.url, 'json=' + Json.toString(obj));

	},



	onComplete: function(){

		this.fireEvent('onComplete', [Json.evaluate(this.response.text, this.options.secure)]);

	}



});



var Asset = new Abstract({



	javascript: function(source, properties){

		properties = $merge({

			'onload': Class.empty

		}, properties);

		var script = new Element('script', {'src': source}).addEvents({

			'load': properties.onload,

			'readystatechange': function(){

				if (this.readyState == 'complete') this.fireEvent('load');

			}

		});

		delete properties.onload;

		return script.setProperties(properties).inject(document.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': Class.empty,

			'onabort': Class.empty,

			'onerror': Class.empty

		}, properties);

		var image = new Image();

		image.src = source;

		var element = new Element('img', {'src': source});

		['load', 'abort', 'error'].each(function(type){

			var event = properties['on' + type];

			delete properties['on' + type];

			element.addEvent(type, function(){

				this.removeEvent(type, arguments.callee);

				event.call(this);

			});

		});

		if (image.width && image.height) element.fireEvent('load', element, 1);

		return element.setProperties(properties);

	},



	images: function(sources, options){

		options = $merge({

			onComplete: Class.empty,

			onProgress: Class.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);

					counter++;

					if (counter == sources.length) options.onComplete();

				}

			});

			images.push(img);

		});

		return new Elements(images);

	}



});



var Hash = new Class({



	length: 0,



	initialize: function(object){

		this.obj = object || {};

		this.setLength();

	},



	get: function(key){

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

	},



	hasKey: function(key){

		return (key in this.obj);

	},



	set: function(key, value){

		if (!this.hasKey(key)) this.length++;

		this.obj[key] = value;

		return this;

	},



	setLength: function(){

		this.length = 0;

		for (var p in this.obj) this.length++;

		return this;

	},



	remove: function(key){

		if (this.hasKey(key)){

			delete this.obj[key];

			this.length--;

		}

		return this;

	},



	each: function(fn, bind){

		$each(this.obj, fn, bind);

	},



	extend: function(obj){

		$extend(this.obj, obj);

		return this.setLength();

	},



	merge: function(){

		this.obj = $merge.apply(null, [this.obj].extend(arguments));

		return this.setLength();

	},



	empty: function(){

		this.obj = {};

		this.length = 0;

		return this;

	},



	keys: function(){

		var keys = [];

		for (var property in this.obj) keys.push(property);

		return keys;

	},



	values: function(){

		var values = [];

		for (var property in this.obj) values.push(this.obj[property]);

		return values;

	}



});



function $H(obj){

	return new Hash(obj);

};



Hash.Cookie = Hash.extend({



	initialize: function(name, options){

		this.name = name;

		this.options = $extend({'autoSave': true}, options || {});

		this.load();

	},



	save: function(){

		if (this.length == 0){

			Cookie.remove(this.name, this.options);

			return true;

		}

		var str = Json.toString(this.obj);

		if (str.length > 4096) return false;

		Cookie.set(this.name, str, this.options);

		return true;

	},



	load: function(){

		this.obj = Json.evaluate(Cookie.get(this.name), true) || {};

		this.setLength();

	}



});



Hash.Cookie.Methods = {};

['extend', 'set', 'merge', 'empty', 'remove'].each(function(method){

	Hash.Cookie.Methods[method] = function(){

		Hash.prototype[method].apply(this, arguments);

		if (this.options.autoSave) this.save();

		return this;

	};

});

Hash.Cookie.implement(Hash.Cookie.Methods);



var Color = new Class({



	initialize: function(color, type){

		type = type || (color.push ? 'rgb' : 'hex');

		var rgb, hsb;

		switch(type){

			case 'rgb':

				rgb = color;

				hsb = rgb.rgbToHsb();

				break;

			case 'hsb':

				rgb = color.hsbToRgb();

				hsb = color;

				break;

			default:

				rgb = color.hexToRgb(true);

				hsb = rgb.rgbToHsb();

		}

		rgb.hsb = hsb;

		rgb.hex = rgb.rgbToHex();

		return $extend(rgb, Color.prototype);

	},



	mix: function(){

		var colors = $A(arguments);

		var alpha = ($type(colors[colors.length - 1]) == 'number') ? colors.pop() : 50;

		var rgb = this.copy();

		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');

};



Array.extend({



	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;

	}



});



var Scroller = new Class({



	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.mousemover = ([window, document].contains(element)) ? $(document.body) : this.element;

	},



	start: function(){

		this.coord = this.getCoords.bindWithEvent(this);

		this.mousemover.addListener('mousemove', this.coord);

	},



	stop: function(){

		this.mousemover.removeListener('mousemove', this.coord);

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

	},



	getCoords: function(event){

		this.page = (this.element == window) ? event.client : event.page;

		if (!this.timer) this.timer = this.scroll.periodical(50, this);

	},



	scroll: function(){

		var el = this.element.getSize();

		var pos = this.element.getPosition();



		var change = {'x': 0, 'y': 0};

		for (var z in this.page){

			if (this.page[z] < (this.options.area + pos[z]) && el.scroll[z] != 0)

				change[z] = (this.page[z] - this.options.area - pos[z]) * this.options.velocity;

			else if (this.page[z] + this.options.area > (el.size[z] + pos[z]) && el.scroll[z] + el.size[z] != el.scrollSize[z])

				change[z] = (this.page[z] - el.size[z] + this.options.area - pos[z]) * this.options.velocity;

		}

		if (change.y || change.x) this.fireEvent('onChange', [el.scroll.x + change.x, el.scroll.y + change.y]);

	}



});



Scroller.implement(new Events, new Options);



var Slider = new Class({



	options: {

		onChange: Class.empty,

		onComplete: Class.empty,

		onTick: function(pos){

			this.knob.setStyle(this.p, pos);

		},

		mode: 'horizontal',

		steps: 100,

		offset: 0

	},



	initialize: function(el, knob, options){

		this.element = $(el);

		this.knob = $(knob);

		this.setOptions(options);

		this.previousChange = -1;

		this.previousEnd = -1;

		this.step = -1;

		this.element.addEvent('mousedown', this.clickedElement.bindWithEvent(this));

		var mod, offset;

		switch(this.options.mode){

			case 'horizontal':

				this.z = 'x';

				this.p = 'left';

				mod = {'x': 'left', 'y': false};

				offset = 'offsetWidth';

				break;

			case 'vertical':

				this.z = 'y';

				this.p = 'top';

				mod = {'x': false, 'y': 'top'};

				offset = 'offsetHeight';

		}

		this.max = this.element[offset] - this.knob[offset] + (this.options.offset * 2);

		this.half = this.knob[offset]/2;

		this.getPos = this.element['get' + this.p.capitalize()].bind(this.element);

		this.knob.setStyle('position', 'relative').setStyle(this.p, - this.options.offset);

		var lim = {};

		lim[this.z] = [- this.options.offset, this.max - this.options.offset];

		this.drag = new Drag.Base(this.knob, {

			limit: lim,

			modifiers: mod,

			snap: 0,

			onStart: function(){

				this.draggedKnob();

			}.bind(this),

			onDrag: function(){

				this.draggedKnob();

			}.bind(this),

			onComplete: function(){

				this.draggedKnob();

				this.end();

			}.bind(this)

		});

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

	},



	set: function(step){

		this.step = step.limit(0, this.options.steps);

		this.checkStep();

		this.end();

		this.fireEvent('onTick', this.toPosition(this.step));

		return this;

	},



	clickedElement: function(event){

		var position = event.page[this.z] - this.getPos() - this.half;

		position = position.limit(-this.options.offset, this.max -this.options.offset);

		this.step = this.toStep(position);

		this.checkStep();

		this.end();

		this.fireEvent('onTick', position);

	},



	draggedKnob: function(){

		this.step = this.toStep(this.drag.value.now[this.z]);

		this.checkStep();

	},



	checkStep: function(){

		if (this.previousChange != this.step){

			this.previousChange = this.step;

			this.fireEvent('onChange', this.step);

		}

	},



	end: function(){

		if (this.previousEnd !== this.step){

			this.previousEnd = this.step;

			this.fireEvent('onComplete', this.step + '');

		}

	},



	toStep: function(position){

		return Math.round((position + this.options.offset) / this.max * this.options.steps);

	},



	toPosition: function(step){

		return this.max * step / this.options.steps;

	}



});



Slider.implement(new Events);

Slider.implement(new Options);



var SmoothScroll = Fx.Scroll.extend({



	initialize: function(options){

		this.parent(window, options);

		this.links = (this.options.links) ? $$(this.options.links) : $$(document.links);

		var location = window.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 (!window.webkit419) this.addEvent('onComplete', function(){

			window.location.hash = this.anchor;

		});

	},



	useLink: function(link, anchor){

		link.addEvent('click', function(event){

			this.anchor = anchor;

			this.toElement(anchor);

			event.stop();

		}.bindWithEvent(this));

	}



});



var Sortables = new Class({



	options: {

		handles: false,

		onStart: Class.empty,

		onComplete: Class.empty,

		ghost: true,

		snap: 3,

		onDragStart: function(element, ghost){

			ghost.setStyle('opacity', 0.7);

			element.setStyle('opacity', 0.7);

		},

		onDragComplete: function(element, ghost){

			element.setStyle('opacity', 1);

			ghost.remove();

			this.trash.remove();

		}

	},



	initialize: function(list, options){

		this.setOptions(options);

		this.list = $(list);

		this.elements = this.list.getChildren();

		this.handles = (this.options.handles) ? $$(this.options.handles) : this.elements;

		this.bound = {

			'start': [],

			'moveGhost': this.moveGhost.bindWithEvent(this)

		};

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

			this.bound.start[i] = this.start.bindWithEvent(this, this.elements[i]);

		}

		this.attach();

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

		this.bound.move = this.move.bindWithEvent(this);

		this.bound.end = this.end.bind(this);

	},



	attach: function(){

		this.handles.each(function(handle, i){

			handle.addEvent('mousedown', this.bound.start[i]);

		}, this);

	},



	detach: function(){

		this.handles.each(function(handle, i){

			handle.removeEvent('mousedown', this.bound.start[i]);

		}, this);

	},



	start: function(event, el){

		this.active = el;

		this.coordinates = this.list.getCoordinates();

		if (this.options.ghost){

			var position = el.getPosition();

			this.offset = event.page.y - position.y;

			this.trash = new Element('div').inject(document.body);

			this.ghost = el.clone().inject(this.trash).setStyles({

				'position': 'absolute',

				'left': position.x,

				'top': event.page.y - this.offset

			});

			document.addListener('mousemove', this.bound.moveGhost);

			this.fireEvent('onDragStart', [el, this.ghost]);

		}

		document.addListener('mousemove', this.bound.move);

		document.addListener('mouseup', this.bound.end);

		this.fireEvent('onStart', el);

		event.stop();

	},



	moveGhost: function(event){

		var value = event.page.y - this.offset;

		value = value.limit(this.coordinates.top, this.coordinates.bottom - this.ghost.offsetHeight);

		this.ghost.setStyle('top', value);

		event.stop();

	},



	move: function(event){

		var now = event.page.y;

		this.previous = this.previous || now;

		var up = ((this.previous - now) > 0);

		var prev = this.active.getPrevious();

		var next = this.active.getNext();

		if (prev && up && now < prev.getCoordinates().bottom) this.active.injectBefore(prev);

		if (next && !up && now > next.getCoordinates().top) this.active.injectAfter(next);

		this.previous = now;

	},



	serialize: function(converter){

		return this.list.getChildren().map(converter || function(el){

			return this.elements.indexOf(el);

		}, this);

	},



	end: function(){

		this.previous = null;

		document.removeListener('mousemove', this.bound.move);

		document.removeListener('mouseup', this.bound.end);

		if (this.options.ghost){

			document.removeListener('mousemove', this.bound.moveGhost);

			this.fireEvent('onDragComplete', [this.active, this.ghost]);

		}

		this.fireEvent('onComplete', this.active);

	}



});



Sortables.implement(new Events, new Options);



var Tips = new Class({



	options: {

		onShow: function(tip){

			tip.setStyle('visibility', 'visible');

		},

		onHide: function(tip){

			tip.setStyle('visibility', 'hidden');

		},

		maxTitleChars: 30,

		showDelay: 100,

		hideDelay: 100,

		className: 'tool',

		offsets: {'x': 16, 'y': 16},

		fixed: false

	},



	initialize: function(elements, options){

		this.setOptions(options);

		this.toolTip = new Element('div', {

			'class': this.options.className + '-tip',

			'styles': {

				'position': 'absolute',

				'top': '0',

				'left': '0',

				'visibility': 'hidden'

			}

		}).inject(document.body);

		this.wrapper = new Element('div').inject(this.toolTip);

		$$(elements).each(this.build, this);

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

	},



	build: function(el){

		el.$tmp.myTitle = (el.href && el.getTag() == 'a') ? el.href.replace('http://', '') : (el.rel || false);

		if (el.title){

			var dual = el.title.split('::');

			if (dual.length > 1){

				el.$tmp.myTitle = dual[0].trim();

				el.$tmp.myText = dual[1].trim();

			} else {

				el.$tmp.myText = el.title;

			}

			el.removeAttribute('title');

		} else {

			el.$tmp.myText = false;

		}

		if (el.$tmp.myTitle && el.$tmp.myTitle.length > this.options.maxTitleChars) el.$tmp.myTitle = el.$tmp.myTitle.substr(0, this.options.maxTitleChars - 1) + "&hellip;";

		el.addEvent('mouseenter', function(event){

			this.start(el);

			if (!this.options.fixed) this.locate(event);

			else this.position(el);

		}.bind(this));

		if (!this.options.fixed) el.addEvent('mousemove', this.locate.bindWithEvent(this));

		var end = this.end.bind(this);

		el.addEvent('mouseleave', end);

		el.addEvent('trash', end);

	},



	start: function(el){

		this.wrapper.empty();

		if (el.$tmp.myTitle){

			this.title = new Element('span').inject(new Element('div', {'class': this.options.className + '-title'}).inject(this.wrapper)).setHTML(el.$tmp.myTitle);

		}

		if (el.$tmp.myText){

			this.text = new Element('span').inject(new Element('div', {'class': this.options.className + '-text'}).inject(this.wrapper)).setHTML(el.$tmp.myText);

		}

		$clear(this.timer);

		this.timer = this.show.delay(this.options.showDelay, this);

	},



	end: function(event){

		$clear(this.timer);

		this.timer = this.hide.delay(this.options.hideDelay, this);

	},



	position: function(element){

		var pos = element.getPosition();

		this.toolTip.setStyles({

			'left': pos.x + this.options.offsets.x,

			'top': pos.y + this.options.offsets.y

		});

	},



	locate: function(event){

		var win = {'x': window.getWidth(), 'y': window.getHeight()};

		var scroll = {'x': window.getScrollLeft(), 'y': window.getScrollTop()};

		var tip = {'x': this.toolTip.offsetWidth, 'y': this.toolTip.offsetHeight};

		var prop = {'x': 'left', 'y': 'top'};

		for (var z in prop){

			var pos = event.page[z] + this.options.offsets[z];

			if ((pos + tip[z] - scroll[z]) > win[z]) pos = event.page[z] - this.options.offsets[z] - tip[z];

			this.toolTip.setStyle(prop[z], pos);

		};

	},



	show: function(){

		if (this.options.timeout) this.timer = this.hide.delay(this.options.timeout, this);

		this.fireEvent('onShow', [this.toolTip]);

	},



	hide: function(){

		this.fireEvent('onHide', [this.toolTip]);

	}



});



Tips.implement(new Events, new Options);



var Group = new Class({



	initialize: function(){

		this.instances = $A(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);

	}



});



var Accordion = Fx.Elements.extend({



	options: {

		onActive: Class.empty,

		onBackground: Class.empty,

		display: 0,

		show: false,

		height: true,

		width: false,

		opacity: true,

		fixedHeight: false,

		fixedWidth: false,

		wait: false,

		alwaysHide: false

	},



	initialize: function(){

		var options, togglers, elements, container;

		$each(arguments, function(argument, i){

			switch($type(argument)){

				case 'object': options = argument; break;

				case 'element': container = $(argument); break;

				default:

					var temp = $$(argument);

					if (!togglers) togglers = temp;

					else elements = temp;

			}

		});

		this.togglers = togglers || [];

		this.elements = elements || [];

		this.container = $(container);

		this.setOptions(options);

		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('onActive', [this.togglers[i], el]);

			} else {

				for (var fx in this.effects) el.setStyle(fx, 0);

			}

		}, this);

		this.parent(this.elements);

		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.injectBefore(this.togglers[pos]);

			element.injectAfter(toggler);

		} 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 ? 'onBackground' : 'onActive', [this.togglers[i], el]);

			for (var fx in this.effects) obj[i][fx] = hide ? 0 : el[this.effects[fx]];

		}, this);

		return this.start(obj);

	},



	showThisHideOpen: function(index){return this.display(index);}



});



Fx.Accordion = Accordion;