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

var Class = function(properties){

	var klass = function(){

		if (this.initialize && arguments[0] != 'noinit') return this.initialize.apply(this, arguments);

		else return this;

	};

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

	klass.prototype = properties;

	return klass;

};



Class.empty = function(){};



Class.prototype = {



	extend: function(properties){

		var pr0t0typ3 = new this('noinit');



		var parentize = function(previous, current){

			if (!previous.apply || !current.apply) return false;

			return function(){

				this.parent = previous;

				return current.apply(this, arguments);

			};

		};



		for (var property in properties){

			var previous = pr0t0typ3[property];

			var current = properties[property];

			if (previous && previous != current) current = parentize(previous, current) || current;

			pr0t0typ3[property] = current;

		}

		return new Class(pr0t0typ3);

	},



	implement: function(properties){

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

	}



};



Object.extend = function(){

	var args = arguments;

	args = (args[1]) ? [args[0], args[1]] : [this, args[0]];

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

	return args[0];

};



Object.Native = function(){

	for (var i = 0; i < arguments.length; i++) arguments[i].extend = Class.prototype.implement;

};



new Object.Native(Function, Array, String, Number, Class);



if (typeof HTMLElement == 'undefined'){

	var HTMLElement = Class.empty;

	HTMLElement.prototype = {};

} else {

	HTMLElement.prototype.htmlElement = true;

}



window.extend = document.extend = Object.extend;

var Window = window;



function $type(obj){

	if (obj === null || obj === undefined) return false;

	var type = typeof obj;

	if (type == 'object'){

		if (obj.htmlElement) return 'element';

		if (obj.push) return 'array';

		if (obj.nodeName){

			switch (obj.nodeType){

				case 1: return 'element';

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

			}

		}

	}

	return type;

};



function $chk(obj){

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

};



function $pick(obj, picked){

	return ($type(obj)) ? obj : picked;

};



function $random(min, max){

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

};



function $clear(timer){

	clearTimeout(timer);

	clearInterval(timer);

	return null;

};



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

else if (document.childNodes && !document.all && !navigator.taintEnabled) window.khtml = true;

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



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



Array.prototype.forEach = Array.prototype.forEach || function(fn, bind){

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

};



Array.prototype.filter = Array.prototype.filter || function(fn, bind){

	var results = [];

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

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

	}

	return results;

};



Array.prototype.map = Array.prototype.map || function(fn, bind){

	var results = [];

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

	return results;

};



Array.prototype.every = Array.prototype.every || function(fn, bind){

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

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

	}

	return true;

};



Array.prototype.some = Array.prototype.some || function(fn, bind){

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

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

	}

	return false;

};



Array.prototype.indexOf = Array.prototype.indexOf || function(item, from){

	from = from || 0;

	if (from < 0) from = Math.max(0, this.length + from);

	while (from < this.length){

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

		from++;

	}

	return -1;

};



Array.extend({



	each: Array.prototype.forEach,



	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;

		while (i < this.length){

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

			else i++;

		}

		return this;

	},



	test: function(item, from){

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

	},



	extend: function(newArray){

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

		return this;

	},



	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;

	}



});



function $A(array, start, length){

	return Array.prototype.copy.call(array, start, length);

};



function $each(iterable, fn, bind){

	return Array.prototype.forEach.call(iterable, fn, bind);

};



String.extend({



	test: function(regex, params){

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

	},



	toInt: function(){

		return parseInt(this);

	},



	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.toLowerCase().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;

	}



});



Array.extend({



	rgbToHex: function(array){

		if (this.length < 3) return false;

		if (this[3] && (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(',')+')';

	}



});



Number.extend({



	toInt: function(){

		return parseInt(this);

	},



	toFloat: function(){

		return parseFloat(this);

	}



});



Function.extend({



	create: function(options){

		var fn = this;

		options = Object.extend({

			'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 = args.concat(options.arguments);

			}

			else args = options.arguments || arguments;

			var returns = function(){

				return fn.apply(options.bind, 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 err;

				}

			}

			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(ms, bind, args){

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

	},



	periodical: function(ms, bind, args){

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

	}



});



var Element = new Class({



	initialize: function(el){

		if ($type(el) == 'string') el = document.createElement(el);

		return $(el);

	}



});



function $(el){

	if (!el) return false;

	if (el._element_extended_ || [window, document].test(el)) return el;

	if ($type(el) == 'string') el = document.getElementById(el);

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

	if (['object', 'embed'].test(el.tagName.toLowerCase()) || el.extend) return el;

	el._element_extended_ = true;

	Garbage.collect(el);

	el.extend = Object.extend;

	if (!(el.htmlElement)) el.extend(Element.prototype);

	return el;

};



var Elements = new Class({});



new Object.Native(Elements);



document.getElementsBySelector = document.getElementsByTagName;



function $$(){

	if (!arguments) return false;

	if (arguments.length == 1){

		if (!arguments[0]) return false;

		if (arguments[0]._elements_extended_) return arguments[0];

	}

	var elements = [];

	$each(arguments, function(selector){

		switch ($type(selector)){

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

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

			default:

			if (selector.length){

				$each(selector, function(el){

					if ($(el)) elements.push(el);

				});

			}

		}

	});

	elements._elements_extended_ = true;

	return Object.extend(elements, new Elements);

};



Elements.Multi = function(property){

	return function(){

		var args = arguments;

		var items = [];

		var elements = true;

		$each(this, function(el){

			var returns = el[property].apply(el, args);

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

			items.push(returns);

		});

		if (elements) items = $$(items);

		return items;

	};

};



Element.extend = function(properties){

	for (var property in properties){

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

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

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

	}

};



Element.extend({



	inject: function(el, where){

		el = $(el) || new Element(el);

		switch (where){

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

			case "after":

				if (!el.getNext()) $(el.parentNode).appendChild(this);

				else $(el.parentNode).insertBefore(this, el.getNext());

				break;

			case "inside": 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, 'inside');

	},



	adopt: function(el){

		this.appendChild($(el) || new Element(el));

		return this;

	},



	remove: function(){

		this.parentNode.removeChild(this);

		return this;

	},



	clone: function(contents){

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

		return $(el);

	},



	replaceWith: function(el){

		el = $(el) || new Element(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': this.setProperty('text', text); return this;

			}

		}

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

		return this;

	},



	hasClass: function(className){

		return this.className.test('(?:^|\\s)'+className+'(?:\\s|$)');

	},



	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){

		if (property == 'opacity') this.setOpacity(parseFloat(value));

		else this.style[property.camelCase()] = (value.push) ? 'rgb('+value.join(',')+')' : value;

		return this;

	},



	setStyles: function(source){

		switch ($type(source)){

			case 'object':

				for (var property in source) this.setStyle(property, source[property]);

				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 = "alpha(opacity=" + opacity*100 + ")";

		this.style.opacity = this.opacity = opacity;

		return this;

	},



	getStyle: function(property){

		property = property.camelCase();

		var style = this.style[property] || false;

		if (!$chk(style)){

			if (property == 'opacity') return $chk(this.opacity) ? this.opacity : 1;

			if (['margin', 'padding'].test(property)){

				return [this.getStyle(property+'-top') || 0, this.getStyle(property+'-right') || 0,

						this.getStyle(property+'-bottom') || 0, this.getStyle(property+'-left') || 0].join(' ');

			}

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

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

		}

		if (style == 'auto' && ['height', 'width'].test(property)) return this['offset'+property.capitalize()]+'px';

		return (style && property.test(/color/i) && style.test(/rgb/)) ? style.rgbToHex() : style;

	},



	addEvent: function(type, fn){

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

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

		if (!this.events[type].keys.test(fn)){

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

			if (this.addEventListener){

				this.addEventListener((type == 'mousewheel' && window.gecko) ? 'DOMMouseScroll' : type, fn, false);

			} else {

				fn = fn.bind(this);

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

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

			}

		}

		return this;

	},



	addEvents: function(source){

		if (source){

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

		}

		return this;

	},



	removeEvent: function(type, fn){

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

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

			if (pos == -1) return this;

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

			if (this.removeEventListener){

				this.removeEventListener((type == 'mousewheel' && window.gecko) ? 'DOMMouseScroll' : type, key, false);

			} else {

				this.detachEvent('on'+type, this.events[type].values.splice(pos,1)[0]);

			}

		}

		return this;

	},



	removeEvents: function(type){

		if (this.events){

			if (type){

				if (this.events[type]){

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

						this.removeEvent(type, fn);

					}, this);

					this.events[type] = null;

				}

			} else {

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

				this.events = null;

			}

		}

		return this;

	},



	fireEvent: function(type, args){

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

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

				fn.bind(this, args)();

			}, this);

		}

	},



	getBrother: function(what){

		var el = this[what+'Sibling'];

		while ($type(el) == 'whitespace') el = el[what+'Sibling'];

		return $(el);

	},



	getPrevious: function(){

		return this.getBrother('previous');

	},



	getNext: function(){

		return this.getBrother('next');

	},



	getFirst: function(){

		var el = this.firstChild;

		while ($type(el) == 'whitespace') el = el.nextSibling;

		return $(el);

	},



	getLast: function(){

		var el = this.lastChild;

		while ($type(el) == 'whitespace') el = el.previousSibling;

		return $(el);

	},



	getParent: function(){

		return $(this.parentNode);

	},



	getChildren: function(){

		return $$(this.childNodes);

	},



	setProperty: function(property, value){

		switch (property){

			case 'class': this.className = value; break;

			case 'style': this.setStyles(value); break;

			case 'name': if (window.ie6){

				var el = $(document.createElement('<'+this.getTag()+' name="'+value+'" />'));

				$each(this.attributes, function(attribute){

					if (attribute.name != 'name') el.setProperty(attribute.name, attribute.value);

				});

				if (this.parentNode) this.replaceWith(el);

				return el;

			}

			default: this.setAttribute(property, value);

		}

		return this;

	},



	setProperties: function(source){

		for (var property in source) this.setProperty(property, source[property]);

		return this;

	},



	setHTML: function(){

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

		return this;

	},



	getProperty: function(property){

		return (property == 'class') ? this.className : this.getAttribute(property);

	},



	getTag: function(){

		return this.tagName.toLowerCase();

	},



	scrollTo: function(x, y){

		this.scrollLeft = x;

		this.scrollTop = y;

	},



	getValue: function(){

		switch (this.getTag()){

			case 'select':

				if (this.selectedIndex != -1){

					var opt = this.options[this.selectedIndex];

					return opt.value || opt.text;

				}

				break;

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

			case 'textarea': return this.value;

		}

		return false;

	},



	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(){

		return this.getPosition().y;

	},



	getLeft: function(){

		return this.getPosition().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;

	}



});



window.addEvent = document.addEvent = Element.prototype.addEvent;

window.removeEvent = document.removeEvent = Element.prototype.removeEvent;

window.removeEvents = document.removeEvents = Element.prototype.removeEvents;



var Garbage = {



	elements: [],



	collect: function(element){

		Garbage.elements.push(element);

	},



	trash: function(){

		Garbage.collect(window);

		Garbage.collect(document);

		Garbage.elements.each(function(el){

			el.removeEvents();

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

			el.extend = null;

		});

	}



};



window.addEvent('unload', Garbage.trash);



var Event = new Class({



	initialize: function(event){

		this.event = event || window.event;

		this.type = this.event.type;

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

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

		this.shift = this.event.shiftKey;

		this.control = this.event.ctrlKey;

		this.alt = this.event.altKey;

		this.meta = this.event.metaKey;

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

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

		} else if (this.type.test(/key/)){

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

			for (var name in Event.keys){

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

					this.key = name;

					break;

				}

			}

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



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

			this.page = {

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

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

			};

			this.client = {

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

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

			};

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

			switch (this.type){

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

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

			}

		}

	},



	stop: function() {

		this.stopPropagation();

		this.preventDefault();

		return this;

	},



	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.keys = {

	'enter': 13,

	'up': 38,

	'down': 40,

	'left': 37,

	'right': 39,

	'esc': 27,

	'space': 32,

	'backspace': 8,

	'delete': 46

};



Function.extend({



	bindWithEvent: function(bind, args){

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

	}



});



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] || [];

			if (!this.events[type].test(fn)) this.events[type].push(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(defaults, options){

		this.options = Object.extend(defaults, options);

		if (this.addEvent){

			for (var option in this.options){

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

			}

		}

		return this;

	}



});



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].test(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.instances.each(function(current, j){

			this.checker[type][j] = false;

		}, this);

		this.events[type].each(function(event){

			event.call(this, this.instances, instance);

		}, this);

	}



});



function $E(selector, filter){

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

};



function $ES(selector, filter){

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

};



Element.extend({



	getElements: function(selector){

		var elements = [];

		selector.clean().split(' ').each(function(sel, i){

			var param = sel.match(/^(\w*|\*)(?:#([\w-]+)|\.([\w-]+))?(?:\[(\w+)(?:([*^$]?=)["']?([^"'\]]*)["']?)?])?$/);

			if (!param) return;

			Filters.selector = param;

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

			if (i == 0){

				if (param[2]){

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

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

					elements = [el];

				} else {

					elements = $A(this.getElementsByTagName(param[1]));

				}

			} else {

				elements = Elements.prototype.getElementsByTagName.call(elements, param[1], true);

				if (param[2]) elements = elements.filter(Filters.id);

			}

			if (param[3]) elements = elements.filter(Filters.className);

			if (param[4]) elements = elements.filter(Filters.attribute);

		}, this);

		return $$(elements);

	},



	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;

	},



	getElement: function(selector){

		return this.getElementsBySelector(selector)[0];

	},



	getElementsBySelector: function(selector){

		var els = [];

		selector.split(',').each(function(sel){

			els.extend(this.getElements(sel));

		}, this);

		return $$(els);

	}



});



document.extend({



	getElementsByClassName: function(className){

		return document.getElements('.'+className);

	},

	getElement: Element.prototype.getElement,

	getElements: Element.prototype.getElements,

	getElementsBySelector: Element.prototype.getElementsBySelector



});



var Filters = {



	selector: [],



	id: function(el){

		return (el.id == Filters.selector[2]);

	},



	className: function(el){

		return (Element.prototype.hasClass.call(el, Filters.selector[3]));

	},



	attribute: function(el){

		var current = el.getAttribute(Filters.selector[4]);

		if (!current) return false;

		var operator = Filters.selector[5];

		if (!operator) return true;

		var value = Filters.selector[6];

		switch (operator){

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

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

			case '^=': return (current.test('^'+value));

			case '$=': return (current.test(value+'$'));

		}

		return false;

	}



};



Elements.extend({



	getElementsByTagName: function(tagName){

		var found = [];

		this.each(function(el){

			found.extend(el.getElementsByTagName(tagName));

		});

		return found;

	}



});



var Hash = new Class({



	length: 0,



	obj: {},



	initialize: function(obj){

		this.extend(obj);

	},



	get: function(key){

		return this.obj[key];

	},



	hasKey: function(key){

		return this.obj[key] !== undefined;

	},



	set: function(key, value){

		if (value === undefined) return false;

		if (this.obj[key] === undefined) this.length++;

		this.obj[key] = value;

		return this;

	},



	remove: function(key){

		if (this.obj[key] === undefined) return this;

		var obj = {};

		this.length--;

		for (var property in this.obj){

			if (property != key) obj[property] = this.obj[property];

		}

		this.obj = obj;

		return this;

	},



	each: function(fn, bind){

		for (var property in this.obj) fn.call(bind || this, property, this.obj[property]);

	},



	extend: function(obj){

		for (var property in obj){

			if (this.obj[property] === undefined) this.length++;

			this.obj[property] = obj[property];

		}

		return this;

	},



	empty: function(){

		return (this.length == 0);

	},



	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);

};



var Color = new Class({



	initialize: function(color, type){

		if (color.isColor) return color;

		color.isColor = true;

		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;

		return Object.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;

	}



});



window.extend({



	addEvent: function(type, fn){

		if (type == 'domready'){

			if (this.loaded) fn();

			else if (!this.events || !this.events.domready){

				var domReady = function(){

					if (this.loaded) return;

					this.loaded = true;

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

					Element.prototype.fireEvent.call(this, 'domready');

					this.events.domready = null;

				}.bind(this);

				if (document.readyState && this.khtml){

					this.timer = function(){

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

					}.periodical(50);

				}

				else if (document.readyState && this.ie){

					document.write("<script id=ie_ready defer src=javascript:void(0)><\/script>");

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

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

					};

				} else {

					this.addEvent("load", domReady);

					document.addEvent("DOMContentLoaded", domReady);

				}

			}

		}

		Element.prototype.addEvent.call(this, type, fn);

		return this;

	},



	onDomReady: function(init){

		return this.addEvent('domready', init);

	}



});



window.extend({



	getWidth: function(){

		if (this.khtml) return this.innerWidth;

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

		return document.documentElement.clientWidth;

	},



	getHeight: function(){

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

		return document.documentElement.scrollWidth;

	},



	getScrollHeight: function(){

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

		if (this.khtml) 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({



	getOptions: function(){

		return {

			onStart: Class.empty,

			onComplete: Class.empty,

			onCancel: Class.empty,

			transition: Fx.Transitions.sineInOut,

			duration: 500,

			unit: 'px',

			wait: true,

			fps: 50

		};

	},



	initialize: function(options){

		this.element = this.element || null;

		this.setOptions(this.getOptions(), options);

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

	},



	step: function(){

		var time = new Date().getTime();

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

			this.cTime = time - this.time;

			this.setNow();

			this.increase();

		} else {

			this.stop(true);

			this.now = this.to;

			this.increase();

			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 this.options.transition(this.cTime, from, (to - from), this.options.duration);

	},



	start: function(from, to){

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

		else if (this.timer) return this;

		this.from = from;

		this.to = to;

		this.time = new Date().getTime();

		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;

	},

	custom: function(from, to){return this.start(from, to)},

	clearTimer: function(end){return this.stop(end)}



});



Fx.Base.implement(new Chain);

Fx.Base.implement(new Events);

Fx.Base.implement(new Options);



Fx.Transitions = {

	linear: function(t, b, c, d){

		return c*t/d + b;

	},

	sineInOut: function(t, b, c, d){

		return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;

	}



};



Fx.CSS = {



	select: function(property, to){

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

		if (to.test && to.test(' ')) return this.Multi;

		return this.Single;

	},



	parse: function(el, property, fromTo){

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

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

		if (!to && to != 0){

			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){

		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){

		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));

	}



});



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));

	}



});



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));

		}

	}



});



Fx.Scroll = Fx.Base.extend({



	initialize: function(element, options){

		this.now = [];

		this.element = $(element);

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

			this.element.addEvent('mousewheel', this.stop.bind(this, false));

		}.bind(this));

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

			this.element.removeEvent('mousewheel', this.stop.bind(this, false));

		}.bind(this));

		this.parent(options);

	},



	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') ? Math.max(Math.min(values[z], max), 0) : max;

			else values[z] = el.scroll[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){

		return this.scrollTo($(el).getLeft(), $(el).getTop());

	},



	increase: function(){

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

	}



});



Fx.Slide = Fx.Base.extend({



	initialize: function(el, options){

		this.element = $(el).setStyle('margin', 0);

		this.wrapper = new Element('div').injectAfter(this.element).setStyle('overflow', 'hidden').adopt(this.element);

		this.setOptions({'mode': 'vertical'}, options);

		this.now = [];

		this.parent(this.options);

	},



	setNow: function(){

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

	},



	vertical: function(){

		this.margin = 'top';

		this.layout = 'height';

		this.offset = this.element.offsetHeight;

		return [this.element.getStyle('margin-top').toInt(), this.wrapper.getStyle('height').toInt()];

	},



	horizontal: function(){

		this.margin = 'left';

		this.layout = 'width';

		this.offset = this.element.offsetWidth;

		return [this.element.getStyle('margin-left').toInt(), this.wrapper.getStyle('width').toInt()];

	},



	slideIn: function(mode){

		return this.start(this[mode || this.options.mode](), [0, this.offset]);

	},



	slideOut: function(mode){

		return this.start(this[mode || this.options.mode](), [-this.offset, 0]);

	},



	hide: function(mode){

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

		return this.set([-this.offset, 0]);

	},



	show: function(mode){

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

		return this.set([0, this.offset]);

	},



	toggle: function(mode){

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

		else return this.slideOut(mode);

	},



	increase: function(){

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

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

	}



});



Fx.Transitions = {

	linear: function(t, b, c, d){

		return c*t/d + b;

	},

	quadIn: function(t, b, c, d){

		return c*(t/=d)*t + b;

	},

	quadOut: function(t, b, c, d){

		return -c *(t/=d)*(t-2) + b;

	},

	quadInOut: function(t, b, c, d){

		if ((t/=d/2) < 1) return c/2*t*t + b;

		return -c/2 * ((--t)*(t-2) - 1) + b;

	},

	cubicIn: function(t, b, c, d){

		return c*(t/=d)*t*t + b;

	},

	cubicOut: function(t, b, c, d){

		return c*((t=t/d-1)*t*t + 1) + b;

	},

	cubicInOut: function(t, b, c, d){

		if ((t/=d/2) < 1) return c/2*t*t*t + b;

		return c/2*((t-=2)*t*t + 2) + b;

	},

	quartIn: function(t, b, c, d){

		return c*(t/=d)*t*t*t + b;

	},

	quartOut: function(t, b, c, d){

		return -c * ((t=t/d-1)*t*t*t - 1) + b;

	},

	quartInOut: function(t, b, c, d){

		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;

		return -c/2 * ((t-=2)*t*t*t - 2) + b;

	},

	quintIn: function(t, b, c, d){

		return c*(t/=d)*t*t*t*t + b;

	},

	quintOut: function(t, b, c, d){

		return c*((t=t/d-1)*t*t*t*t + 1) + b;

	},

	quintInOut: function(t, b, c, d){

		if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;

		return c/2*((t-=2)*t*t*t*t + 2) + b;

	},

	sineIn: function(t, b, c, d){

		return -c * Math.cos(t/d * (Math.PI/2)) + c + b;

	},

	sineOut: function(t, b, c, d){

		return c * Math.sin(t/d * (Math.PI/2)) + b;

	},

	sineInOut: function(t, b, c, d){

		return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;

	},

	expoIn: function(t, b, c, d){

		return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;

	},

	expoOut: function(t, b, c, d){

		return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;

	},

	expoInOut: function(t, b, c, d){

		if (t==0) return b;

		if (t==d) return b+c;

		if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;

		return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;

	},

	circIn: function(t, b, c, d){

		return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;

	},

	circOut: function(t, b, c, d){

		return c * Math.sqrt(1 - (t=t/d-1)*t) + b;

	},

	circInOut: function(t, b, c, d){

		if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;

		return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;

	},

	elasticIn: function(t, b, c, d, a, p){

		if (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3; if (!a) a = 1;

		if (a < Math.abs(c)){ a=c; var s=p/4; }

		else var s = p/(2*Math.PI) * Math.asin(c/a);

		return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;

	},

	elasticOut: function(t, b, c, d, a, p){

		if (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3; if (!a) a = 1;

		if (a < Math.abs(c)){ a=c; var s=p/4; }

		else var s = p/(2*Math.PI) * Math.asin(c/a);

		return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;

	},

	elasticInOut: function(t, b, c, d, a, p){

		if (t==0) return b; if ((t/=d/2)==2) return b+c; if (!p) p=d*(.3*1.5); if (!a) a = 1;

		if (a < Math.abs(c)){ a=c; var s=p/4; }

		else var s = p/(2*Math.PI) * Math.asin(c/a);

		if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;

		return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;

	},

	backIn: function(t, b, c, d, s){

		if (!s) s = 1.70158;

		return c*(t/=d)*t*((s+1)*t - s) + b;

	},

	backOut: function(t, b, c, d, s){

		if (!s) s = 1.70158;

		return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;

	},

	backInOut: function(t, b, c, d, s){

		if (!s) s = 1.70158;

		if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;

		return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;

	},

	bounceIn: function(t, b, c, d){

		return c - Fx.Transitions.bounceOut (d-t, 0, c, d) + b;

	},

	bounceOut: function(t, b, c, d){

		if ((t/=d) < (1/2.75)){

			return c*(7.5625*t*t) + b;

		} else if (t < (2/2.75)){

			return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;

		} else if (t < (2.5/2.75)){

			return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;

		} else {

			return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;

		}

	},

	bounceInOut: function(t, b, c, d){

		if (t < d/2) return Fx.Transitions.bounceIn(t*2, 0, c, d) * .5 + b;

		return Fx.Transitions.bounceOut(t*2-d, 0, c, d) * .5 + c*.5 + b;

	}



};



var Drag = {};



Drag.Base = new Class({



	getOptions: function(){

		return {

			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'},

			snap: 6

		};

	},



	initialize: function(el, options){

		this.setOptions(this.getOptions(), 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)};

		this.attach();

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

	},



	attach: function(){

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

	},



	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){

			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] = limit[z][i].apply ? limit[z][i].call(this) : limit[z][i];

				}

			}

		}

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

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

		this.bound.move = this.options.snap ? this.checkAndDrag.bindWithEvent(this) : this.bound.drag;

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

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

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

		event.stop();

	},



	checkAndDrag: 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.removeEvent('mousemove', this.bound.move);

			this.bound.move = this.bound.drag;

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

			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){

			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;

				}

			}

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

		}

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

		event.stop();

	},



	detach: function(){

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

	},



	stop: function(){

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

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

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

	}



});



Drag.Base.implement(new Events);

Drag.Base.implement(new Options);



Element.extend({



	makeResizable: function(options){

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

	}



});



Drag.Move = Drag.Base.extend({



	getExtended: function(){

		return {

			droppables: [],

			container: false,

			overflown: []

		}

	},



	initialize: function(el, options){

		this.setOptions(this.getExtended(), options);

		this.element = $(el);

		this.position = this.element.getStyle('position');

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

		if (!['absolute', 'relative'].test(this.position)) this.position = 'absolute';

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

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

		if (this.position == 'absolute'){

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

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

		} else {

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

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

		}

		this.element.setStyles({

			'top': top+'px',

			'left': left+'px',

			'position': this.position

		});

		this.parent(this.element, this.options);

	},



	start: function(event){

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

		if (this.container){

			var cont = this.container.getCoordinates();

			var el = this.element.getCoordinates();

			if (this.position == 'absolute'){

				this.options.limit = {

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

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

				};

			} else {

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

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

				this.options.limit = {

					'y': [-(diffy) + cont.top, cont.bottom - diffy - el.height],

					'x': [-(diffx) + cont.left, cont.right - diffx - el.width]

				};

			}

		}

		this.parent(event);

	},



	drag: function(event){

		this.parent(event);

		if (this.out) return this;

		this.droppables.each(function(drop){

			if (this.checkAgainst($(drop))){

				if (!drop.overing) drop.fireEvent('over', [this.element, this]);

				drop.overing = true;

			} else {

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

				drop.overing = false;

			}

		}, this);

		return this;

	},



	checkAgainst: function(el){

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

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

	},



	stop: function(){

		this.parent();

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

		if (this.out) return this;

		var dropped = false;

		this.droppables.each(function(drop){

			if (this.checkAgainst(drop)){

				drop.fireEvent('drop', [this.element, this]);

				dropped = true;

			}

		}, this);

		if (!dropped) this.element.fireEvent('drop', this);

		return this;

	}



});



Element.extend({



	makeDraggable: function(options){

		return new Drag.Move(this, options);

	}



});



var Accordion = Fx.Elements.extend({



	getExtended: function(){

		return {

			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(togglers, elements, options){

		this.setOptions(this.getExtended(), 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.togglers = $$(togglers);

		this.elements = $$(elements);

		this.togglers.each(function(tog, i){

			tog.addEvent('click', this.display.bind(this, i));

		}, this);

		this.elements.each(function(el, i){

			el.fullOpacity = 1;

			if (this.options.fixedWidth) el.fullWidth = this.options.fixedWidth;

			if (this.options.fixedHeight) el.fullHeight = this.options.fixedHeight;

			el.setStyle('overflow', 'hidden');

		}, this);

		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';

		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, this.options);

		if ($chk(this.options.display)) this.display(this.options.display);

	},



	display: function(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] = {};

			if ((i != index) || (this.options.alwaysHide && (el.offsetHeight > 0))){

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

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

			} else {

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

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

			}

		}, this);

		return this.start(obj);

	},



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



});



Fx.Accordion = Accordion;



var Scroller = new Class({



	getOptions: function(){

		return {

			area: 20,

			velocity: 1,

			onChange: function(x, y){

				this.element.scrollTo(x, y);

			}

		};

	},



	initialize: function(element, options){

		this.setOptions(this.getOptions(), options);

		this.element = $(element);

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

	},



	start: function(){

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

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

	},



	stop: function(){

		this.mousemover.removeEvent('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);

Scroller.implement(new Options);



var Slider = new Class({



	getOptions: function(){

		return {

			onChange: Class.empty,

			onComplete: Class.empty,

			onTick: function(pos){

				this.knob.setStyle(this.p, pos+'px');

			},

			steps: 100,

			mode: 'horizontal',

			wheel: false

		};

	},



	initialize: function(el, knob, options){

		this.element = $(el);

		this.knob = $(knob);

		this.setOptions(this.getOptions(), options);



		this.previousChange = -1;

		this.previousEnd = -1;

		this.step = -1;



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



		if (this.options.wheel) this.element.addEvent('mousewheel', this.scrolledElement.bindWithEvent(this));



		if (this.options.mode == 'horizontal'){

			this.z = 'x'; this.p = 'left';

			this.max = this.element.offsetWidth-this.knob.offsetWidth;

			this.half = this.knob.offsetWidth/2;

			this.getPos = this.element.getLeft.bind(this.element);

		} else if (this.options.mode == 'vertical'){

			this.z = 'y'; this.p = 'top';

			this.max = this.element.offsetHeight-this.knob.offsetHeight;

			this.half = this.knob.offsetHeight/2;

			this.getPos = this.element.getTop.bind(this.element);

		}



		this.knob.setStyle('position', 'relative').setStyle(this.p, 0);



		var modSlide = {}, limSlide = {};



		limSlide[this.z] = [0, this.max];

		modSlide[this.z] = this.p;



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

			limit: limSlide,

			snap: 0,

			modifiers: modSlide,

			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){

		if (step > this.options.steps) step = this.options.steps;

		else if (step < 0) step = 0;

		this.step = step;

		this.checkStep();

		this.end();

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

		return this;

	},



	scrolledElement: function(event){

		if (event.wheel < 0) this.set(this.step + 1);

		else if (event.wheel > 0) this.set(this.step - 1);

		event.stop();

	},



	clickedElement: function(event){

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

		if (position > this.max) position = this.max;

		else if (position < 0) position = 0;

		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.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.addEvent('onCancel', this.clearChain);

		var location = window.location.href.match(/^[^#]*/)[0] + '#';

		$each(document.links, function(lnk){

			if (lnk.href.indexOf(location) != 0) return;

			var anchor = lnk.href.substr(location.length);

			if (anchor && $(anchor)) this.useLink(lnk, anchor);

		}, this);

		this.parent(window, options);

	},



	useLink: function(lnk, anchor){

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

			if(!window.khtml) this.chain(function(){

				window.location.href = '#'+anchor;

			});

			this.toElement(anchor);

			event.stop();

		}.bindWithEvent(this));

	}



});



var Sortables = new Class({



	getOptions: function() {

		return {

			handles: false,

			onStart: Class.empty,

			onComplete: Class.empty,

			ghost: true,

			snap: 3,

			onDragStart: function(element, ghost){

				ghost.setStyle('opacity', 0.5);

			},

			onDragComplete: function(element, ghost){

				ghost.remove();

			}

		};

	},



	initialize: function(list, options){

		this.setOptions(this.getOptions(), options);

		this.list = $(list);

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

		this.handles = $$(this.options.handles) || this.elements;

		this.drag = [];

		this.bound = {'start': []};

		this.elements.each(function(el, i){

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

			if (this.options.ghost){

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

				var limit = this.list.getCoordinates();

				this.drag[i] = new Drag.Base(el, {

					handle: this.handles[i],

					snap: this.options.snap,

					modifiers: {y: 'top'},

					limit: {y: [limit.top, limit.bottom - el.offsetHeight]},

					onBeforeStart: function(element){

						var offsets = element.getPosition();

						this.old = element;

						this.drag[i].element = this.ghost = element.clone().setStyles({

							'position': 'absolute',

							'top': offsets.y+'px',

							'left': offsets.x+'px'

						}).injectInside(this.trash);

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

					}.bind(this),

					onComplete: function(element){

						this.drag[i].element = this.old;

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

					}.bind(this)

				});

			}

			this.handles[i].addEvent('mousedown', this.start.bindWithEvent(this, el));

		}, this);

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

	},



	start: function(event, el){

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

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

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

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

		this.fireEvent('onStart', el);

		event.stop();

	},



	move: function(event, el){

		var prev = el.getPrevious();

		var next = el.getNext();

		if (prev){

			var prevPos = prev.getCoordinates();

			if (event.page.y < prevPos.bottom) el.injectBefore(prev);

		}

		if (next){

			var nextPos = next.getCoordinates();

			if (event.page.y > nextPos.top) el.injectAfter(next);

		}

		event.stop();

	},



	detach: function(){

		this.elements.each(function(el, i){

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

		}, this);

	},



	serialize: function(){

		var serial = [];

		this.list.getChildren().each(function(el, i){

			serial[i] = this.elements.indexOf(el);

		}, this);

		return serial;

	},



	end: function(el){

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

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

		this.fireEvent('onComplete', el);

	}



});



Sortables.implement(new Events);

Sortables.implement(new Options);



var Tips = new Class({



	getOptions: function(){

		return {

			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(this.getOptions(), options);

		this.toolTip = new Element('div').addClass(this.options.className+'-tip').setStyles({

			'position': 'absolute',

			'top': '0',

			'left': '0',

			'visibility': 'hidden'

		}).injectInside(document.body);

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

		$each(elements, function(el){

			this.build($(el));

		}, this);

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

	},



	build: function(el){

		el.myTitle = el.href ? el.href.replace('http://', '') : (el.rel || false);

		if (el.title){

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

			if (dual.length > 1) {

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

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

			} else {

				el.myText = el.title;

			}

			el.removeAttribute('title');

		} else {

			el.myText = false;

		}

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

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

			this.start(el);

			this.locate(event);

		}.bindWithEvent(this));

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

		el.addEvent('mouseout', this.end.bindWithEvent(this));

	},



	start: function(el){

		this.wrapper.setHTML('');

		if (el.myTitle){

			new Element('span').injectInside(

				new Element('div').addClass(this.options.className+'-title').injectInside(this.wrapper)

			).setHTML(el.myTitle);

		}

		if (el.myText){

			new Element('span').injectInside(

				new Element('div').addClass(this.options.className+'-text').injectInside(this.wrapper)

			).setHTML(el.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);

		event.stop();

	},



	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 + 'px');

		};

		event.stop();

	},



	show: function(){

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

	},



	hide: function(){

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

	}



});



Tips.implement(new Events);

Tips.implement(new Options);