// r364

/*
Script: Moo.js
	My Object Oriented javascript.

License:
	MIT-style license.
	
MooTools Copyright:
	copyright (c) 2007 Valerio Proietti, <http://mad4milk.net>

MooTools Credits:
	- Class is slightly based on Base.js <http://dean.edwards.name/weblog/2006/03/base/> (c) 2006 Dean Edwards, License <http://creativecommons.org/licenses/LGPL/2.1/>
	- Some functions are inspired by those found in prototype.js <http://prototype.conio.net/> (c) 2005 Sam Stephenson sam [at] conio [dot] net, MIT-style license
	- Documentation by Aaron Newton (aaron.newton [at] cnet [dot] com) and Valerio Proietti.
*/

/*
Class: Class
	The base class object of the <http://mootools.net> framework.

Arguments:
	properties - the collection of properties that apply to the class. Creates a new class, its initialize method will fire upon class instantiation.

Example:
	(start code)
	var Cat = new Class({
		initialize: function(name){
			this.name = name;
		}
	});
	var myCat = new Cat('Micia');
	alert(myCat.name); //alerts 'Micia'
	(end)
*/

var Class = function(properties){
	var klass = function(){
		if (this.initialize && $type(this.initialize) == 'function') return this.initialize.apply(this, arguments);
		else return this;
	};
	$extend(klass, this);
	klass.prototype = properties;
	return klass;
};

/*
Property: empty
	Returns an empty function
*/

Class.empty = function(){};

Class.prototype = {

	/*
	Property: extend
		Returns the copy of the Class extended with the passed in properties.

	Arguments:
		properties - the properties to add to the base class in this new Class.

	Example:
		(start code)
		var Animal = new Class({
			initialize: function(age){
				this.age = age;
			}
		});
		var Cat = Animal.extend({
			initialize: function(name, age){
				this.parent(age); //will call the previous initialize;
				this.name = name;
			}
		});
		var myCat = new Cat('Micia', 20);
		alert(myCat.name); //alerts 'Micia'
		alert(myCat.age); //alerts 20
		(end)
	*/

	extend: function(properties){
		var proto = $merge(this.prototype);
		for (var property in properties){
			var pp = proto[property];
			proto[property] = $mergeClass(pp, properties[property]);
		}
		return new Class(proto);
	},

	/*
	Property: implement
		Implements the passed in properties to the base Class prototypes, altering the base class, unlike <Class.extend>.

	Arguments:
		properties - the properties to add to the base class.

	Example:
		(start code)
		var Animal = new Class({
			initialize: function(age){
				this.age = age;
			}
		});
		Animal.implement({
			setName: function(name){
				this.name = name
			}
		});
		var myAnimal = new Animal(20);
		myAnimal.setName('Micia');
		alert(myAnimal.name); //alerts 'Micia'
		(end)
	*/

	implement: function(properties){
		$extend(this.prototype, properties);
	}

};

/* Section: Utility Functions */

/*
Function: $type
	Returns the type of object that matches the element passed in.

Arguments:
	obj - the object to inspect.

Example:
	>var myString = 'hello';
	>$type(myString); //returns "string"

Returns:
	'element' - if obj is a DOM element node
	'textnode' - if obj is a DOM text node
	'whitespace' - if obj is a DOM whitespace node
	'array' - if obj is an array
	'object' - if obj is an object
	'string' - if obj is a string
	'number' - if obj is a number
	'boolean' - if obj is a boolean
	'function' - if obj is a function
	false - (boolean) if the object is not defined or none of the above.
*/

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: $merge
	merges a number of objects recursively without referencing them or their sub-objects.

Arguments:
	any number of objects.
*/

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;
};

//internal

function $mergeClass(previous, current){
	if (previous && previous != current){
		var ptype = $type(previous);
		var ctype = $type(current);
		if (ptype == 'function' && ctype == 'function'){
			var merged = function(){
				this.parent = arguments.callee.parent;
				return current.apply(this, arguments);
			};
			merged.parent = previous;
			return merged;
		} else if (ptype == 'object' && ctype == 'object'){
			return $merge(previous, current);
		}
	}
	return current;
};

/*
Function: $extend
	Copies all the properties from the second passed object to the first passed Object.
	If you do myWhatever.extend = $extend the first parameter will become myWhatever, and your extend function will only need one parameter.

Example:
	(start code)
	var firstOb = {
		'name': 'John',
		'lastName': 'Doe'
	};
	var secondOb = {
		'age': '20',
		'sex': 'male',
		'lastName': 'Dorian'
	};
	$extend(firstOb, secondOb);
	//firstOb will become: 
	{
		'name': 'John',
		'lastName': 'Dorian',
		'age': '20',
		'sex': 'male'
	};
	(end)

Returns:
	The first object, extended.
*/

var $extend = Object.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];
};

/*
Function: $native
	Will add a .extend method to the objects passed as a parameter, but the property passed in will be copied to the object's prototype only if non previously existent.
	Its handy if you dont want the .extend method of an object to overwrite existing methods.
	Used automatically in mootools to implement Array/String/Function/Number methods to browser that dont support them whitout manual checking.

Arguments:
	a number of classes/native javascript objects

*/

var $native = Object.Native = function(){
	for (var i = 0; i < arguments.length; i++) arguments[i].extend = $native.extend;
};

$native.extend = function(props){
	for (var prop in props){
		if (!this.prototype[prop]) this.prototype[prop] = props[prop];
	}
};

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

/*
Script: Utility.js
	Contains Utility functions

License:
	MIT-style license.
*/

//window, document

window.extend = document.extend = $extend;
var Window = window;

/*
Function: $chk
	Returns true if the passed in value/object exists or is 0, otherwise returns false.
	Useful to accept zeroes.
*/

function $chk(obj){
	return !!(obj || obj === 0);
};

/*
Function: $pick
	Returns the first object if defined, otherwise returns the second.
*/

function $pick(obj, picked){
	return (obj !== null && obj !== undefined) ? obj : picked;
};

/*
Function: $random
	Returns a random integer number between the two passed in values.

Arguments:
	min - integer, the minimum value (inclusive).
	max - integer, the maximum value (inclusive).

Returns:
	a random integer between min and max.
*/

function $random(min, max){
	return Math.floor(Math.random() * (max - min + 1) + min);
};

/*
Function: $time
	Returns the current timestamp

Returns:
	a timestamp integer.
*/

function $time(){
	return new Date().getTime();
};

/*
Function: $duration
	Returns a time interval in seconds from the given time units

Arguments:
	data - Object with values for years, months, days, hours, seconds, milliseconds. For non-objects it returns the parsed argument as integer.
	ms - Boolean, if true return ms, otherwise seconds

Returns:
	an integer for the duration in seconds or ms if second parameter is true.
*/

function $duration(data, ms){
	if ($type(data) != 'object') return parseInt(data);
	this.units = this.units || {years: 'FullYear', months: 'Month', days: 'Date', hours: 'Hours', minutes: 'Minutes', seconds: 'Seconds', milliseconds: 'Milliseconds'};
	var date = new Date();
	for (var unit in data){
		var fn = this.units[unit];
		if (fn) date['set' + fn](date['get' + fn]() + $pick(data[unit], 0));
	}
	return parseInt((date.getTime() - $time()) / (ms ? 1 : 1000));
}

/*
Function: $clear
	clears a timeout or an Interval.

Returns:
	null

Arguments:
	timer - the setInterval or setTimeout to clear.

Example:
	>var myTimer = myFunction.delay(5000); //wait 5 seconds and execute my function.
	>myTimer = $clear(myTimer); //nevermind

See also:
	<Function.delay>, <Function.periodical>
*/

function $clear(timer){
	clearTimeout(timer);
	clearInterval(timer);
	return null;
};
/*
Class: Abstract
	Abstract class, to be used as singleton. Will add .extend to any object

Arguments:
	an object

Returns:
	the object with an .extend property, equivalent to <$extend>.
*/

var Abstract = function(obj){
	obj = obj || {};
	obj.extend = $extend;
	return obj;
};

//window, document

var Window = new Abstract(window);
var Document = new Abstract(document);
document.head = document.getElementsByTagName('head')[0];

/*
Class: window
	Some properties are attached to the window object by the browser detection.

Properties:
	window.ie - will be set to true if the current browser is internet explorer (any).
	window.ie6 - will be set to true if the current browser is internet explorer 6.
	window.ie7 - will be set to true if the current browser is internet explorer 7.
	window.khtml - will be set to true if the current browser is Safari/Konqueror.
	window.gecko - will be set to true if the current browser is Mozilla/Gecko.
*/

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

//htmlelement

if (typeof HTMLElement == 'undefined'){
	var HTMLElement = Class.empty;
	if (window.khtml) document.createElement("iframe"); //fixes safari
	HTMLElement.prototype = (window.khtml) ? window["[[DOMElement.prototype]]"] : {};
}
HTMLElement.prototype.htmlElement = true;

//enables background image cache for internet explorer 6

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

/*
Script: Common.js
	Contains common implementations for custom classes. In Mootools is implemented in <Ajax>, <XHR> and <Fx.Base> and many more.

License:
	MIT-style license.
*/

/*
Class: Chain
	An "Utility" Class. Its methods can be implemented with <Class.implement> into any <Class>.
	Currently implemented in <Fx.Base>, <XHR> and <Ajax>. In <Fx.Base> for example, is used to execute a list of function, one after another, once the effect is completed.
	The functions will not be fired all togheter, but one every completion, to create custom complex animations.

Example:
	(start code)
	var myFx = new Fx.Style('element', 'opacity');

	myFx.start(1,0).chain(function(){
		myFx.start(0,1);
	}).chain(function(){
		myFx.start(1,0);
	}).chain(function(){
		myFx.start(0,1);
	});
	//the element will appear and disappear three times
	(end)
*/

var Chain = new Class({

	/*
	Property: chain
		adds a function to the Chain instance stack.

	Arguments:
		fn - the function to append.
	*/

	chain: function(fn){
		this.chains = this.chains || [];
		this.chains.push(fn);
		return this;
	},

	/*
	Property: callChain
		Executes the first function of the Chain instance stack, then removes it. The first function will then become the second.
	*/

	callChain: function(){
		if (this.chains && this.chains.length) this.chains.shift().delay(10, this);
	},

	/*
	Property: clearChain
		Clears the stack of a Chain instance.
	*/

	clearChain: function(){
		this.chains = [];
	}

});

/*
Class: Events
	An "Utility" Class. Its methods can be implemented with <Class.implement> into any <Class>.
	In <Fx.Base> Class, for example, is used to give the possibility add any number of functions to the Effects events, like onComplete, onStart, onCancel

Example:
	(start code)
	var myFx = new Fx.Style('element', 'opacity').addEvent('onComplete', function(){
		alert('the effect is completed');
	}).addEvent('onComplete', function(){
		alert('I told you the effect is completed');
	});

	myFx.start(0,1);
	//upon completion it will display the 2 alerts, in order.
	(end)
*/

var Events = new Class({

	/*
	Property: addEvent
		adds an event to the stack of events of the Class instance.
	*/

	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;
	},

	/*
	Property: fireEvent
		fires all events of the specified type in the Class instance.
	*/

	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;
	},

	/*
	Property: removeEvent
		removes an event from the stack of events of the Class instance.
	*/

	removeEvent: function(type, fn){
		if (this.events && this.events[type]) this.events[type].remove(fn);
		return this;
	}

});

/*
Class: Options
	An "Utility" Class. Its methods can be implemented with <Class.implement> into any <Class>.
	Used to automate the options settings, also adding Class <Events> when the option begins with on.
*/

var Options = new Class({

	/*
	Property: setOptions
		sets this.options

	Arguments:
		defaults - the default set of options
		options - the user entered options. can be empty too.

	Note:
		if your Class has <Events> implemented, every option beginning with on, followed by a capital letter (onComplete) becomes an Class instance event.
	*/

	setOptions: function(){
		var args = (arguments.length == 1) ? [this.options, arguments[0]] : arguments;
		this.options = $merge.apply(this, args);
		if (this.addEvent){
			for (var option in this.options){
				if (($type(this.options[option]) == 'function') && option.test(/^on[A-Z]/)) this.addEvent(option, this.options[option]);
			}
		}
		return this;
	}

});

/*
Script: Array.js
	Contains Array prototypes, <$A>, <$each>

License:
	MIT-style license.
*/

/*
Class: Array
	A collection of The Array Object prototype methods.
*/

//custom methods

Array.extend({

	/*
	Property: forEach
		Iterates through an array; This method is only available for browsers without native *forEach* support.
		For more info see <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:forEach>
	*/

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

	/*
	Property: filter
		This method is provided only for browsers without native *filter* support.
		For more info see <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Objects:Array:filter>
	*/

	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;
	},

	/*
	Property: map
		This method is provided only for browsers without native *map* support.
		For more info see <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:map>
	*/

	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;
	},

	/*
	Property: every
		This method is provided only for browsers without native *every* support.
		For more info see <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:every>
	*/

	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;
	},

	/*
	Property: some
		This method is provided only for browsers without native *some* support.
		For more info see <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:some>
	*/

	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;
	},

	/*
	Property: indexOf
		This method is provided only for browsers without native *indexOf* support.
		For more info see <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:indexOf>
	*/

	indexOf: function(item, from){
		from = from || 0;
		var len = this.length;
		if (from < 0) from = Math.max(0, len + from);
		while (from < len){
			if (this[from] === item) return from;
			from++;
		}
		return -1;
	},

	/*
	Property: each
		Same as <Array.forEach>.

	Arguments:
		fn - the function to execute with each item in the array
		bind - optional, the object that the "this" of the function will refer to.

	Example:
		>var Animals = ['Cat', 'Dog', 'Coala'];
		>Animals.each(function(animal){
		>	document.write(animal)
		>});
	*/

	/*
	Property: copy
		returns a copy of the array.

	Returns:
		a new array which is a copy of the current one.
	Arguments:
		start - optional, the index where to start the copy, default is 0. If negative, it is taken as the offset from the end of the array.
		length - optional, the number of elements to copy. By default, copies all elements from start to the end of the array.

	Example:
		>var letters = ["a","b","c"];
		>var copy = letters.copy();		// ["a","b","c"] (new instance)
	*/

	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;
	},

	/*
	Property: remove
		Removes all occurrences of an item from the array.

	Arguments:
		item - the item to remove

	Returns:
		the Array with all occurrences of the item removed.

	Example:
		>["1","2","3","2"].remove("2") // ["1","3"];
	*/

	remove: function(item){
		var i = 0;
		var len = this.length;
		while (i < len){
			if (this[i] && this[i] === item) this.splice(i, 1);
			else i++;
		}
		return this;
	},

	/*
	Property: test
		Tests an array for the presence of an item.

	Arguments:
		item - the item to search for in the array.
		from - optional, the index at which to begin the search, default is 0. If negative, it is taken as the offset from the end of the array.

	Returns:
		true - the item was found
		false - it wasn't

	Example:
		>["a","b","c"].test("a"); // true
		>["a","b","c"].test("d"); // false
	*/

	test: function(item, from){
		return this.indexOf(item, from) != -1;
	},
	
	/*
	Property: associate
		Creates an object with key-value pairs based on the array of keywords passed in
		and the current content of the array.

	Arguments:
		keys - the array of keywords.

	Example:
		(start code)
		var Animals = ['Cat', 'Dog', 'Coala', 'Lizard'];
		var Speech = ['Miao', 'Bau', 'Fruuu', 'Mute'];
		var Speeches = Animals.associate(speech);
		//Speeches['Miao'] is now Cat.
		//Speeches['Bau'] is now Dog.
		//...
		(end)
	*/

	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;
	},

	/*
	Property: extend
		Extends an array with another one.

	Arguments:
		array - the array to extend ours with

	Example:
		>var Animals = ['Cat', 'Dog', 'Coala'];
		>Animals.extend(['Lizard']);
		>//Animals is now: ['Cat', 'Dog', 'Coala', 'Lizard'];
	*/

	extend: function(array){
		for (var i = 0, j = array.length; i < j; i++) this.push(array[i]);
		return this;
	},
	
	/*
	Property: merge
		merges an array in another array, without duplicates.
		
	Arguments:
		array - the array to merge from.
	*/
	
	merge: function(array){
		for (var i = 0, l = array.length; i < l; i++) this.include(array[i]);
		return this;
	},

	/*
	Property: include
		includes the passed in element in the array, only if its not already present.
	*/

	include: function(item){
		if (!this.length || !this.test(item)) this.push(item);
		return this;
	}

});

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

/* Section: Utility Functions */

/*
Function: $A()
	Same as <Array.copy>, but as function.
	Useful to apply Array prototypes to iterable objects, as a collection of DOM elements or the arguments object.

Example:
	(start code)
	function myFunction(){
		$A(arguments).each(argument, function(){
			alert(argument);
		});
	};
	//the above will alert all the arguments passed to the function myFunction.
	(end)
*/

function $A(array, start, length){
	return Array.prototype.copy.call(array, start, length);
};

/*
Function: $each
	Use to iterate through iterables that are not regular arrays, such as builtin getElementsByTagName calls, arguments of a function, or an object.
Arguments:
	iterable - an iterable element or an objct.
	function - function to apply to the iterable.
	bind - optional, the 'this' of the function will refer to this object.

Function argument:
	The function argument will be passed the following arguments.

	item - the current item in the iterator being procesed
	index - the index of the item, or key in case of an object.

Examples:
	(start code)
	$each(['Sun','Mon','Tue'], function(day, index) {
		alert('name:' + day + ', index: ' + index);
	});
	//alerts "name: Sun, index: 0", "name: Mon, index: 1", etc.
	//over an object
	$each({first: "Sunday", second: "Monday", third: "Tuesday"}, function(value, key){
		alert("the " + key + " day of the week is " + value);
	});
	//alerts "the first day of the week is Sunday",
	//"the second day of the week is Monday", etc.
	(end)
*/

function $each(iterable, fn, bind){
	if ($chk(iterable.length)) Array.prototype.forEach.call(iterable, fn, bind);
	else for (var name in iterable) fn.call(bind, iterable[name], name);
};

/*
Script: String.js
	Contains String prototypes and Number prototypes.

License:
	MIT-style license.
*/

/*
Class: String
	A collection of The String Object prototype methods.
*/

String.extend({

	/*
	Property: test
		Tests a string with a regular expression.

	Arguments:
		regex - a string or regular expression object, the regular expression you want to match the string with
		params - optional, if first parameter is a string, any parameters you want to pass to the regex ('g' has no effect)

	Returns:
		true if a match for the regular expression is found in the string, false if not.
		See <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Objects:RegExp:test>

	Example:
		>"I like cookies".test("cookie"); // returns true
		>"I like cookies".test("COOKIE", "i") // ignore case, returns true
		>"I like cookies".test("cake"); // returns false
	*/

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

	/*
	Property: toInt
		parses a string to an integer.

	Returns:
		either an int or "NaN" if the string is not a number.

	Example:
		>var value = "10px".toInt(); // value is 10
	*/

	toInt: function(){
		return parseInt(this);
	},

	toFloat: function(){
		return parseFloat(this);
	},

	/*
	Property: camelCase
		Converts a hiphenated string to a camelcase string.

	Example:
		>"I-like-cookies".camelCase(); //"ILikeCookies"

	Returns:
		the camel cased string
	*/

	camelCase: function(){
		return this.replace(/-\D/g, function(match){
			return match.charAt(1).toUpperCase();
		});
	},

	/*
	Property: hyphenate
		Converts a camelCased string to a hyphen-ated string.

	Example:
		>"ILikeCookies".hyphenate(); //"I-like-cookies"
	*/

	hyphenate: function(){
		return this.replace(/\w[A-Z]/g, function(match){
			return (match.charAt(0)+'-'+match.charAt(1).toLowerCase());
		});
	},

	/*
	Property: capitalize
		Converts the first letter in each word of a string to Uppercase.

	Example:
		>"i like cookies".capitalize(); //"I Like Cookies"

	Returns:
		the capitalized string
	*/

	capitalize: function(){
		return this.toLowerCase().replace(/\b[a-z]/g, function(match){
			return match.toUpperCase();
		});
	},

	/*
	Property: trim
		Trims the leading and trailing spaces off a string.

	Example:
		>"    i like cookies     ".trim() //"i like cookies"

	Returns:
		the trimmed string
	*/

	trim: function(){
		return this.replace(/^\s+|\s+$/g, '');
	},

	/*
	Property: clean
		trims (<String.trim>) a string AND removes all the double spaces in a string.

	Returns:
		the cleaned string

	Example:
		>" i      like     cookies      \n\n".clean() //"i like cookies"
	*/

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

	/*
	Property: rgbToHex
		Converts an RGB value to hexidecimal. The string must be in the format of "rgb(255,255,255)" or "rgba(255,255,255,1)";

	Arguments:
		array - boolean value, defaults to false. Use true if you want the array ['FF','33','00'] as output instead of "#FF3300"

	Returns:
		hex string or array. returns "transparent" if the output is set as string and the fourth value of rgba in input string is 0.

	Example:
		>"rgb(17,34,51)".rgbToHex(); //"#112233"
		>"rgba(17,34,51,0)".rgbToHex(); //"transparent"
		>"rgb(17,34,51)".rgbToHex(true); //['11','22','33']
	*/

	rgbToHex: function(array){
		var rgb = this.match(/\d{1,3}/g);
		return (rgb) ? rgb.rgbToHex(array) : false;
	},

	/*
	Property: hexToRgb
		Converts a hexidecimal color value to RGB. Input string must be the hex color value (with or without the hash). Also accepts triplets ('333');

	Arguments:
		array - boolean value, defaults to false. Use true if you want the array [255,255,255] as output instead of "rgb(255,255,255)";

	Returns:
		rgb string or array.

	Example:
		>"#112233".hexToRgb(); //"rgb(17,34,51)"
		>"#112233".hexToRgb(true); //[17,34,51]
	*/

	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({

	/*
	Property: rgbToHex
		see <String.rgbToHex>, but as an array method.
	*/

	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('');
	},

	/*
	Property: hexToRgb
		same as <String.hexToRgb>, but as an array method.
	*/

	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(',')+')';
	}

});

/*
Class: Number
	contains the internal method toInt.
*/

Number.extend({

	/*
	Property: toInt
		Returns this number; useful because toInt must work on both Strings and Numbers.
	*/

	toInt: function(){
		return parseInt(this);
	},

	toFloat: function(){
		return parseFloat(this);
	}

});

/* 
Script: Function.js
	Contains Function prototypes and utility functions .

License:
	MIT-style license.

Credits:
	- Some functions are inspired by those found in prototype.js <http://prototype.conio.net/> (c) 2005 Sam Stephenson sam [at] conio [dot] net, MIT-style license
*/

/*
Class: Function
	A collection of The Function Object prototype methods.
*/

Function.extend({

	/*
	Property: create
		Main function to create closures.
	Returns:
		a function.
	Arguments:
		options - An Options object.
	Options:
		bind - The object that the "this" of the function will refer to. Default is the current function.
		event - If set to true, the function will act as an event listener and receive an event as first argument.
				If set to a class name, the function will receive a new instance of this class (with the event passed as argument's constructor) as first argument.
				Default is false.
		arguments - A single argument or array of arguments that will be passed to the function when called.
					If both the event and arguments options are set, the event is passed as first argument and the arguments array will follow.
					Default is no custom arguments, the function will receive the standard arguments when called.
		delay - Numeric value: if set, the returned function will delay the actual execution by this amount of milliseconds and return a timer handle when called.
				Default is no delay.
		periodical - Numeric value: if set, the returned function will periodically perform the actual execution with this specified interval and return a timer handle when called.
				Default is no periodical execution.
		attempt - If set to true, the returned function will try to execute and return either the results or the error when called. Default is false.
	*/

	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 = args.concat(options.arguments);
			}
			else args = options.arguments || arguments;
			var returns = function(){
				return fn.apply(options.bind, args);
			};
			if (options.delay) return setTimeout(returns, $duration(options.delay));
			if (options.periodical) return setInterval(returns, $duration(options.periodical));
			if (options.attempt) try {return returns();} catch(err){return false;};
			return returns();
		};
	},

	/*
	Property: pass
		Shortcut to create closures with arguments and bind.

	Returns:
		a function.

	Arguments:
		args - the arguments passed. must be an array if arguments > 1
		bind - optional, the object that the "this" of the function will refer to.

	Example:
		>myFunction.pass([arg1, arg2], myElement);
	*/

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

	/*
	Property: attempt
		Tries to execute the function, returns either the function results or the error.

	Arguments:
		args - the arguments passed. must be an array if arguments > 1
		bind - optional, the object that the "this" of the function will refer to.

	Example:
		>myFunction.attempt([arg1, arg2], myElement);
	*/

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

	/*
	Property: bind
		method to easily create closures with "this" altered.

	Arguments:
		bind - optional, the object that the "this" of the function will refer to.
		args - optional, the arguments passed. must be an array if arguments > 1

	Returns:
		a function.

	Example:
		>function myFunction(){
		>	this.setStyle('color', 'red');
		>	// note that 'this' here refers to myFunction, not an element
		>	// we'll need to bind this function to the element we want to alter
		>};
		>var myBoundFunction = myFunction.bind(myElement);
		>myBoundFunction(); // this will make the element myElement red.
	*/

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

	/*
	Property: bindAsEventListener
		cross browser method to pass event firer

	Arguments:
		bind - optional, the object that the "this" of the function will refer to.
		args - optional, the arguments passed. must be an array if arguments > 1

	Returns:
		a function with the parameter bind as its "this" and as a pre-passed argument event or window.event, depending on the browser.

	Example:
		>function myFunction(event){
		>	alert(event.clientx) //returns the coordinates of the mouse..
		>};
		>myElement.onclick = myFunction.bindAsEventListener(myElement);
	*/

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

	/*
	Property: delay
		Delays the execution of a function by a specified duration.

	Arguments:
		delay - the duration to wait in milliseconds. Supports <$duration> syntax.
		bind - optional, the object that the "this" of the function will refer to.
		args - optional, the arguments passed. must be an array if arguments > 1

	Example:
		>myFunction.delay(50, myElement) //wait 50 milliseconds, then call myFunction and bind myElement to it
		>(function(){alert('one second later...')}).delay(1000); //wait a second and alert
	*/

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

	/*
	Property: periodical
		Executes a function in the specified intervals of time

	Arguments:
		interval - the duration of the intervals between executions. Supports <$duration> syntax.
		bind - optional, the object that the "this" of the function will refer to.
		args - optional, the arguments passed. must be an array if arguments > 1
	*/

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

});

/*
Script: Element.js
	Contains useful Element prototypes, to be used with the dollar function <$>.

License:
	MIT-style license.

Credits:
	- Some functions are inspired by those found in prototype.js <http://prototype.conio.net/> (c) 2005 Sam Stephenson sam [at] conio [dot] net, MIT-style license
*/

/*
Class: Element
	Custom class to allow all of its methods to be used with any DOM element via the dollar function <$>.
*/

var Element = new Class({

	/*
	Property: initialize
		Creates a new element of the type passed in.

	Arguments:
		el - the tag name for the element you wish to create. you can also pass in an element reference, in which case it will be extended.
		props - an object, the properties you want to add to your element.

	Props:
		the key styles will be used as setStyles, the key events will be used as addEvents. any other key is used as setProperty.

	Example:
		(start code)
		new Element('a', {
			'styles': {
				'display': 'block',
				'border': '1px solid black'
			},
			'events': {
				'click': function(){
					//aaa
				},
				'mousedown': function(){
					//aaa
				}
			},
			'class': 'myClassSuperClass',
			'href': 'http://mad4milk.net'
		});

		(end)
	*/

	initialize: function(el, props){
		if ($type(el) == 'string') el = document.createElement(el);
		el = $(el);
		if (!props || !el) return el;
		for (var prop in props){
			switch(prop){
				case 'styles': el.setStyles(props[prop]); break;
				case 'events': el.addEvents(props[prop]); break;
				case 'properties': el.setProperties(props[prop]); break;
				default: el.setProperty(prop, props[prop]);
			}
		}
		return el;
	}

});

/*
Section: Utility Functions

Function: $
	returns the element passed in with all the Element prototypes applied.

Arguments:
	el - a reference to an actual element or a string representing the id of an element

Example:
	>$('myElement') // gets a DOM element by id with all the Element prototypes applied.
	>var div = document.getElementById('myElement');
	>$(div) //returns an Element also with all the mootools extentions applied.

	You'll use this when you aren't sure if a variable is an actual element or an id, as
	well as just shorthand for document.getElementById().

Returns:
	a DOM element or false (if no id was found).

Note:
	you need to call $ on an element only once to get all the prototypes.
	But its no harm to call it multiple times, as it will detect if it has been already extended.
*/

function $(el){
	if (!el) return false;
	if (el.htmlElement) return Garbage.collect(el);
	if ([window, document].test(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'].test(el.tagName.toLowerCase())) return el;
	$extend(el, Element.prototype);
	el.htmlElement = true;
	return Garbage.collect(el);
};

//elements class

var Elements = new Class({});

Elements.extend = Class.prototype.implement;

/*
Function: $$
	Selects, and extends DOM elements. Elements arrays returned with $$ will also accept all the <Element> methods.
	The return type of element methods run through $$ is always an array. If the return array is only made by elements, $$ will be applied automatically.

Arguments:
	HTMLCollection(document.getElementsByTagName, element.childNodes), an array of elements, a string.

Note:
	if you loaded <Dom.js>, $$ will also accept CSS Selectors.

Example:
	>$$('a') //an array of all anchor tags on the page
	>$$('a', 'b') //an array of all anchor and bold tags on the page
	>$$('#myElement') //array containing only the element with id = myElement. (only with <Dom.js>)
	>$$('#myElement a.myClass') //an array of all anchor tags with the class "myClass" within the DOM element with id "myElement" (only with <Dom.js>)

Returns:
	array - array of all the dom elements matched
*/

document.getElementsBySelector = document.getElementsByTagName;

function $$(){
	if (!arguments) return false;
	if (arguments.length == 1 && typeof arguments[0] == 'string') return document.getElementsBySelector(arguments[0]);
	var elements = [];
	for (var i = 0, j = arguments.length; i < j; i++){
		var selector = arguments[i];
		switch($type(selector)){
			case 'element': elements.include(element); break;
			case 'string': elements = $$.merge(elements, document.getElementsBySelector(selector, true)); break;
			case 'object': elements = $$.merge(elements, selector); break;
			case 'array': elements.merge(selector);
		}
		var returned = [];
		for (var k = 0, l = elements.length; k < l; k++){
			var element = $(elements[k]);
			if (element) returned.push(element);
		}
	}
	return $extend(returned, new Elements);
};

$$.merge = function(array1, array2){
	var newArray2 = (array2.push) ? array2 : $A(array2);
	if (!array1.length) return newArray2;
	var newArray1 = array1;
	for (var i = 0, l = newArray2.length; i < l; i++) newArray1.include(newArray2[i]);
	return newArray1;
};

$$.map = function(elements){
	return $extend(elements.map($), new 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) ? $$.map(items) : 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);
	}
};

/*
Class: Element
	Custom class to allow all of its methods to be used with any DOM element via the dollar function <$>.
*/

Element.extend({

	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 "inside": el.appendChild(this);
		}
		return this;
	},

	/*
	Property: injectBefore
		Inserts the Element before the passed element.

	Parameteres:
		el - a string representing the element to be injected in (myElementId, or div), or an element reference.
		If you pass div or another tag, the element will be created.

	Example:
		>html:
		><div id="myElement"></div>
		><div id="mySecondElement"></div>
		>js:
		>$('mySecondElement').injectBefore('myElement');
		>resulting html:
		><div id="mySecondElement"></div>
		><div id="myElement"></div>

	*/

	injectBefore: function(el){
		return this.inject(el, 'before');
	},

	/*
	Property: injectAfter
		Same as <Element.injectBefore>, but inserts the element after.
	*/

	injectAfter: function(el){
		return this.inject(el, 'after');
	},

	/*
	Property: injectInside
		Same as <Element.injectBefore>, but inserts the element inside.
	*/

	injectInside: function(el){
		return this.inject(el, 'inside');
	},

	/*
	Property: adopt
		Inserts the passed element inside the Element. Works as <Element.injectInside> but in reverse.

	Parameteres:
		el - a string representing the element to be injected in (myElementId, or div), or an element reference.
		If you pass div or another tag, the element will be created.
	*/

	adopt: function(){
		$each(arguments, function(el){
			this.appendChild($(el));
		}, this);
		return this;
	},

	/*
	Property: remove
		Removes the Element from the DOM.

	Example:
		>$('myElement').remove() //bye bye
	*/

	remove: function(){
		this.parentNode.removeChild(this);
		return this;
	},

	/*
	Property: clone
		Clones the Element and returns the cloned one.

	Returns:
		the cloned element

	Example:
		>var clone = $('myElement').clone().injectAfter('myElement');
		>//clones the Element and append the clone after the Element.
	*/

	clone: function(contents){
		return $(this.cloneNode(contents !== false));
	},

	/*
	Property: replaceWith
		Replaces the Element with an element passed.

	Parameteres:
		el - a string representing the element to be injected in (myElementId, or div), or an element reference.
		If you pass div or another tag, the element will be created.

	Returns:
		the passed in element

	Example:
		>$('myOldElement').replaceWith($('myNewElement')); //$('myOldElement') is gone, and $('myNewElement') is in its place.
	*/

	replaceWith: function(el){
		this.parentNode.replaceChild(el, this);
		return $(el);
	},

	/*
	Property: appendText
		Appends text node to a DOM element.

	Arguments:
		text - the text to append.

	Example:
		><div id="myElement">hey</div>
		>$('myElement').appendText(' howdy'); //myElement innerHTML is now "hey howdy"
	*/

	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;
	},

	/*
	Property: hasClass
		Tests the Element to see if it has the passed in className.

	Returns:
		true - the Element has the class
		false - it doesn't
	Arguments:
		className - the class name to test.
	Example:
		><div id="myElement" class="testClass"></div>
		>$('myElement').hasClass('testClass'); //returns true
	*/

	hasClass: function(className){
		return this.className.test('(?:^|\\s)' + className + '(?:\\s|$)');
	},

	/*
	Property: addClass
		Adds the passed in class to the Element, if the element doesnt already have it.

	Arguments:
		className - the class name to add

	Example:
		><div id="myElement" class="testClass"></div>
		>$('myElement').addClass('newClass'); //<div id="myElement" class="testClass newClass"></div>
	*/

	addClass: function(className){
		if (!this.hasClass(className)) this.className = (this.className+' '+className).clean();
		return this;
	},

	/*
	Property: removeClass
		works like <Element.addClass>, but removes the class from the element.
	*/

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

	/*
	Property: toggleClass
		Adds or removes the passed in class name to the element, depending on if it's present or not.

	Arguments:
		className - the class to add or remove

	Example:
		><div id="myElement" class="myClass"></div>
		>$('myElement').toggleClass('myClass');
		><div id="myElement" class=""></div>
		>$('myElement').toggleClass('myClass');
		><div id="myElement" class="myClass"></div>
	*/

	toggleClass: function(className){
		return this.hasClass(className) ? this.removeClass(className) : this.addClass(className);
	},

	/*
	Property: setStyle
		Sets a css property to the Element.

		Arguments:
			property - the property to set
			value - the value to which to set it

		Example:
			>$('myElement').setStyle('width', '300px'); //the width is now 300px
	*/

	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'].test(property)) value += 'px'; break;
			case 'array': value = 'rgb(' + value.join(',') + ')';
		}
		this.style[property] = value;
		return this;
	},

	/*
	Property: setStyles
		Applies a collection of styles to the Element.

	Arguments:
		source - an object or string containing all the styles to apply. You cannot set the opacity using a string.

	Examples:
		>$('myElement').setStyles({
		>	border: '1px solid #000',
		>	width: '300px',
		>	height: '400px'
		>});

		OR

		>$('myElement').setStyles('border: 1px solid #000; width: 300px; height: 400px;');
	*/

	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;
	},

	/*
	Property: setOpacity
		Sets the opacity of the Element, and sets also visibility == "hidden" if opacity == 0, and visibility = "visible" if opacity > 0.

	Arguments:
		opacity - Accepts numbers from 0 to 1.

	Example:
		>$('myElement').setOpacity(0.5) //make it 50% transparent
	*/

	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.opacity = opacity;
		return this;
	},

	/*
	Property: getStyle
		Returns the style of the Element given the property passed in.

	Arguments:
		property - the css style property you want to retrieve

	Example:
		>$('myElement').getStyle('width'); //returns "400px"
		>//but you can also use
		>$('myElement').getStyle('width').toInt(); //returns "400"

	Returns:
		the style as a string
	*/

	getStyle: function(property){
		property = property.camelCase();
		var style = this.style[property];
		if (!$chk(style)){
			if (property == 'opacity') return $chk(this.opacity) ? this.opacity : 1;
			if (['margin', 'padding'].test(property)){
				var result = [];
				['top', 'right', 'bottom', 'left'].each(function(prop){
					result.push(this.getStyle(property + '-' + prop) || '0');
				}, this);
				var every = result.every(function(val){
					return val == result[0];
				});
				return (every) ? result[0] : result;
			}
			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;
	},

	/*
	Property: getStyles
		Returns an object of styles of the Element for each argument passed in.
		Arguments:
		properties - any number of style properties
	Example:
		>$('myElement').getStyles('width','height','padding');
		>//returns an object like:
		>{width: "10px", height: "10px", padding: "10px 0px 10px 0px"}
	*/

	getStyles: function(){
		var result = {};
		$each(arguments, function(argument){
			result[argument] = this.getStyle(argument);
		}, this);
		return result;
	},

	walk: function(brother, start){
		brother += 'Sibling';
		var el = (start) ? this[start] : this[brother];
		while (el && $type(el) != 'element') el = el[brother];
		return $(el);
	},

	/*
	Property: getPrevious
		Returns the previousSibling of the Element, excluding text nodes.

	Example:
		>$('myElement').getPrevious(); //get the previous DOM element from myElement

	Returns:
		the sibling element or undefined if none found.
	*/

	getPrevious: function(){
		return this.walk('previous');
	},

	/*
	Property: getNext
		Works as Element.getPrevious, but tries to find the nextSibling.
	*/

	getNext: function(){
		return this.walk('next');
	},

	/*
	Property: getFirst
		Works as <Element.getPrevious>, but tries to find the firstChild.
	*/

	getFirst: function(){
		return this.walk('next', 'firstChild');
	},

	/*
	Property: getLast
		Works as <Element.getPrevious>, but tries to find the lastChild.
	*/

	getLast: function(){
		return this.walk('previous', 'lastChild');
	},

	/*
	Property: getParent
		returns the $(element.parentNode)
	*/

	getParent: function(){
		return $(this.parentNode);
	},

	/*
	Property: getChildren
		returns all the $(element.childNodes), excluding text nodes. Returns as <Elements>.
	*/

	getChildren: function(){
		return $$(this.childNodes);
	},

	/*
	Property: hasChild
		returns true if the passed in element is a child of the $(element).
	*/

	hasChild: function(el) {
		return ($A(this.getElementsByTagName('*')).test(el)) ? true : false;
	},

	/*
	Property: setProperty
		Sets an attribute for the Element.

	Arguments:
		property - the property to assign the value passed in
		value - the value to assign to the property passed in

	Example:
		>$('myImage').setProperty('src', 'whatever.gif'); //myImage now points to whatever.gif for its source
	*/

	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 = new Element('<' + this.getTag() + ' name="' + value + '" />');
					['value', 'id', 'className', 'style'].each(function(attribute){
						el[attribute] = this[attribute];
					});
					if (this.parentNode) this.replaceWith(el);
					return el;
				}
			default: this.setAttribute(property, value);
		}
		return this;
	},

	/*
	Property: setProperties
		Sets numerous attributes for the Element.

	Arguments:
		source - an object with key/value pairs.

	Example:
		(start code)
		$('myElement').setProperties({
			src: 'whatever.gif',
			alt: 'whatever dude'
		});
		<img src="whatever.gif" alt="whatever dude">
		(end)
	*/

	setProperties: function(source){
		for (var property in source) this.setProperty(property, source[property]);
		return this;
	},

	/*
	Property: setHTML
		Sets the innerHTML of the Element.

	Arguments:
		html - the new innerHTML for the element.

	Example:
		>$('myElement').setHTML(newHTML) //the innerHTML of myElement is now = newHTML
	*/

	setHTML: function(){
		this.innerHTML = $A(arguments).join('');
		return this;
	},

	/*
	Property: getProperty
		Gets the an attribute of the Element.

	Arguments:
		property - the attribute to retrieve

	Example:
		>$('myImage').getProperty('src') // returns whatever.gif

	Returns:
		the value, or an empty string
	*/

	getProperty: function(property){
		return (property == 'class') ? this.className : this.getAttribute(property);
	},

	/*
	Property: getTag
		Returns the tagName of the element in lower case.

	Example:
		>$('myImage').getTag() // returns 'img'

	Returns:
		The tag name in lower case
	*/

	getTag: function(){
		return this.tagName.toLowerCase();
	}

});

Element.eventMethods = {

	/*
	Property: addEvent
		Attaches an event listener to a DOM element.

	Arguments:
		type - the event to monitor ('click', 'load', etc) without the prefix 'on'.
		fn - the function to execute

	Example:
		>$('myElement').addEvent('click', function(){alert('clicked!')});
	*/

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

	/*
	Property: removeEvent
		Works as Element.addEvent, but instead removes the previously added event listener.
	*/

	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;
	},

	/*
	Property: removeEvents
		removes all events of a certain type from an element. if no argument is passed in, removes all events.
	*/

	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;
	},

	/*
	Property: fireEvent
		executes all events of the specified type present in the element.
	*/

	fireEvent: function(type, args){
		if (this.events && this.events[type]){
			this.events[type].keys.each(function(fn){
				fn.bind(this, args)();
			}, this);
		}
	}

};

window.extend(Element.eventMethods);
document.extend(Element.eventMethods);
Element.extend(Element.eventMethods);

var Garbage = {

	elements: [],

	collect: function(el){
		if (!el.collected){
			Garbage.elements.push(el);
			el.collected = true;
		}
		return el;
	},

	trash: function(elements){
		for (var i = 0, j = elements.length, el; i < j; i++){
			if (!(el = elements[i]) || !el.collected) return;
			el.removeEvents();
			for (var p in Element.prototype) el[p] = null;
			el.htmlElement = el.collected = null;
		}
	},

	empty: function(){
		Garbage.collect(window);
		Garbage.collect(document);
		Garbage.trash(Garbage.elements);
		Garbage.elements = [];
	}

};

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

/*
Script: Event.js
	Event class

License:
	MIT-style license.
*/

/*
Class: Event
	Cross browser methods to manage events.

Arguments:
	event - the event

Properties:
	shift - true if the user pressed the shift
	control - true if the user pressed the control 
	alt - true if the user pressed the alt
	meta - true if the user pressed the meta key
	wheel - the amount of third button scrolling
	code - the keycode of the key pressed
	page.x - the x position of the mouse, relative to the full window
	page.y - the y position of the mouse, relative to the full window
	client.x - the x position of the mouse, relative to the viewport
	client.y - the y position of the mouse, relative to the viewport
	key - the key pressed as a lowercase string. key also returns 'enter', 'up', 'down', 'left', 'right', 'space', 'backspace', 'delete', 'esc'. Handy for these special keys.
	target - the event target
	relatedTarget - the event related target

Example:
	(start code)
	$('myLink').onkeydown = function(event){
		var event = new Event(event);
		//event is now the Event class.
		alert(event.key); //returns the lowercase letter pressed
		alert(event.shift); //returns true if the key pressed is shift
		if (event.key == 's' && event.control) alert('document saved');
	};
	(end)
*/

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; // Safari
		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;
				}
			}
			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(/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;
			}
		}
	},

	/*
	Property: stop
		cross browser method to stop an event
	*/

	stop: function() {
		this.stopPropagation();
		this.preventDefault();
		return this;
	},

	/*
	Property: stopPropagation
		cross browser method to stop the propagation of an event
	*/

	stopPropagation: function(){
		if (this.event.stopPropagation) this.event.stopPropagation();
		else this.event.cancelBubble = true;
		return this;
	},

	/*
	Property: preventDefault
		cross browser method to prevent the default action of the event
	*/

	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({

	/*
	Property: bindWithEvent
		automatically passes mootools Event Class.

	Arguments:
		bind - optional, the object that the "this" of the function will refer to.

	Returns:
		a function with the parameter bind as its "this" and as a pre-passed argument event or window.event, depending on the browser.

	Example:
		>function myFunction(event){
		>	alert(event.client.x) //returns the coordinates of the mouse..
		>};
		>myElement.onclick = myFunction.bindWithEvent(myElement);
	*/

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

});


/*
Script: Dom.js
	Css Query related function and <Element> extensions

License:
	MIT-style license.
*/

/* Section: Utility Functions */

/* 
Function: $E 
	Selects a single (i.e. the first found) Element based on the selector passed in and an optional filter element.

Arguments:
	selector - the css selector to match
	filter - optional; a DOM element to limit the scope of the selector match; defaults to document.

Example:
	>$E('a', 'myElement') //find the first anchor tag inside the DOM element with id 'myElement'

Returns:
	a DOM element - the first element that matches the selector
*/

function $E(selector, filter){
	return ($(filter) || document).getElement(selector);
};

/*
Function: $ES
	Returns a collection of Elements that match the selector passed in limited to the scope of the optional filter.
	See Also: <Element.getElements> for an alternate syntax.

Returns:
	an array of dom elements that match the selector within the filter

Arguments:
	selector - css selector to match
	filter - optional; a DOM element to limit the scope of the selector match; defaults to document.

Examples:
	>$ES("a") //gets all the anchor tags; synonymous with $$("a")
	>$ES('a','myElement') //get all the anchor tags within $('myElement')
*/

function $ES(selector, filter){
	return ($(filter) || document).getElementsBySelector(selector);
};

$$.cache = {};

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

/*
Class: Element
	Custom class to allow all of its methods to be used with any DOM element via the dollar function <$>.
*/

Element.domMethods = {

	/*
	Property: getElements 
		Gets all the elements within an element that match the given (single) selector.

	Arguments:
		selector - the css selector to match

	Example:
		>$('myElement').getElements('a'); // get all anchors within myElement
		
	Notes:
		Supports these operators in attribute selectors:
		
		- = : is equal to
		- ^= : starts-with
		- $= : ends-with
		- != : is not equal to
		
		Xpath is used automatically for compliant browsers.
	*/

	getElements: function(selector, nocash){
		var items = [];
		selector = selector.clean().split(' ');
		for (var i = 0, j = selector.length; i < j; i++){
			var sel = selector[i];
			var param;
			if ($$.cache[sel]){
				param = $$.cache[sel].param;
			} else {
				param = sel.match($$.regexp);
				if (!param) break;
				param[1] = param[1] || '*';
				$$.cache[sel] = {'param': param};
			}
			if (window.xpath){
				if ($$.cache[sel].xpath){
					items.push($$.cache[sel].xpath);
					continue;
				}
				var temp = this.namespaceURI ? ['xhtml:'] : [];
				temp.push(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], ']');
				}
				temp = temp.join('');
				$$.cache[sel].xpath = temp;
				items.push(temp);
				continue;
			}
			Filters.selector = param;
			if (i == 0){
				if (param[2]){
					var el = this.getElementById(param[2]);
					if (!el || ((param[1] != '*') && (Element.prototype.getTag.call(el) != param[1]))) break;
					items = [el];
				} else {
					items = $A(this.getElementsByTagName(param[1]));
				}
			} else {
				items = Elements.prototype.getElementsByTagName.call(items, param[1], true);
				if (param[2]) items = items.filter(Filters.id);
			}
			if (param[3]) items = items.filter(Filters.className);
			if (param[4]) items = items.filter(Filters.attribute);
		}
		if (window.xpath) items = this.getElementsByXpath(items.join('//'));
		return (nocash) ? items : $$.map(items);
	},
	
	getElementsByXpath: function(xp){
		var result = [];
		var resolver = function(prefix){
			return (prefix == 'xhtml') ? 'http://www.w3.org/1999/xhtml' : false;
		};
		var xpath = document.evaluate('.//' + xp, this, resolver, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
		for (var i = 0, j = xpath.snapshotLength; i < j; i++) result.push(xpath.snapshotItem(i));
		return result;
	},

	/*
	Property: getElement
		Same as <Element.getElements>, but returns only the first. Alternate syntax for <$E>, where filter is the Element.
	*/

	getElement: function(selector){
		return this.getElementsBySelector(selector)[0];
	},

	/*
	Property: getElementsBySelector
		Same as <Element.getElements>, but allows for comma separated selectors, as in css. Alternate syntax for <$$>, where filter is the Element.

	*/

	getElementsBySelector: function(selector, nocash){
		var elements = [];
		selector = selector.split(',');
		if (selector.length == 1) return this.getElements(selector[0], nocash);
		for (var i = 0, j = selector.length; i < j; i++) elements = $$.merge(elements, this.getElements(selector[i], true));
		return (nocash) ? elements : $$.map(elements);
	},
	
	/*
	Property: getElementsByClassName 
		Returns all the elements that match a specific class name.
		Here for compatibility purposes. can also be written: document.getElements('.className'), or $$('.className')
	*/

	getElementsByClassName: function(className){
		return this.getElements('.' + className);
	}

};

Element.extend({

	/*
	Property: getElementById
		Targets an element with the specified id found inside the Element. Does not overwrite document.getElementById.

	Arguments:
		id - the id of the element to find.
	*/

	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;
	}
	
});

/* Section: document related functions */

document.extend(Element.domMethods);
Element.extend(Element.domMethods);

//dom filters, internal methods.

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 = Element.prototype.getProperty.call(el, 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 == value);
			case '*=': return (current.test(value));
			case '^=': return (current.test('^' + value));
			case '$=': return (current.test(value + '$'));
			case '!=': return (current != value);
		}
		return false;
	}

};

/*
Class: Elements
	Methods for dom queries arrays, <$$>.
*/

Elements.extend({

	getElementsByTagName: function(tagName){
		var found = [];
		for (var i = 0, j = this.length; i < j; i++) found = $$.merge(found, this[i].getElementsByTagName(tagName));
		return found;
	}

});



/*
Script: Window.Base.js
	Contains Window.onDomReady

License:
	MIT-style license.
*/

/*
Class: Window
	Cross browser methods to get the window size, onDomReady method.
*/

window.extend({
	/*
	Property: window.addEvent
		same as <Element.addEvent> but allows the event 'domready', which is the same as <window.onDomReady>

	Credits:
		(c) Dean Edwards/Matthias Miller/John Resig, remastered for mootools.

	Arguments:
		init - the function to execute when the DOM is ready

	Example:
		> window.addEvent('domready', function(){alert('the dom is ready')});
	*/

	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){ //safari and konqueror
					this.timer = function(){
						if (['loaded','complete'].test(document.readyState)) domReady();
					}.periodical(50);
				}
				else if (document.readyState && this.ie){ //ie
					document.write("<script id=ie_ready defer src=javascript:void(0)><\/script>");
					$('ie_ready').onreadystatechange = function(){
						if (this.readyState == 'complete') domReady();
					};
				} else { //others
					this.addEvent("load", domReady);
					document.addEvent("DOMContentLoaded", domReady);
				}
			}
		}
		Element.prototype.addEvent.call(this, type, fn);
		return this;
	},

	/*
	Property: window.onDomReady
		DEPRECATED: Executes the passed in function when the DOM is ready (when the document tree has loaded, not waiting for images).
		Same as <window.addEvent> ('domready', init).

	Arguments:
		init - the function to execute when the DOM is ready

	Example:
		> window.addEvent('domready', function(){alert('the dom is ready')});
	*/

	onDomReady: function(init){
		return this.addEvent('domready', init);
	}

});



/*
Script: Fx.Base.js
	Contains <Fx.Base> and two Transitions.

License:
	MIT-style license.
*/

var Fx = {};

/*
Class: Fx.Transitions
	A collection of transition equations for use with the <Fx.Base> Class.

See Also:
	<Fx.Transitions.js> for a whole bunch of transitions.

Credits:
	Easing Equations, (c) 2003 Robert Penner (http://www.robertpenner.com/easing/), Open Source BSD License.
*/

Fx.Transitions = {

	/* Property: linear */
	
	linear: function(t, b, c, d){
		return c*t/d + b;
	},

	/* Property: sineInOut */
	
	sineInOut: function(t, b, c, d){
		return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
	}

};

Fx.Transitions.extend = $extend;

/*
Class: Fx.Base
	Base class for the Mootools Effects (Moo.Fx) library.

Options:
	onStart - the function to execute as the effect begins; nothing (<Class.empty>) by default.
	onComplete - the function to execute after the effect has processed; nothing (<Class.empty>) by default.
	transition - the equation to use for the effect see <Fx.Transitions>; default is <Fx.Transitions.sineInOut>
	duration - the duration of the effect in ms; 500 is the default.
	unit - the unit is 'px' by default (other values include things like 'em' for fonts or '%').
	wait - boolean: to wait or not to wait for a current transition to end before running another of the same instance. defaults to true.
	fps - the frames per second for the transition; default is 30
*/

Fx.Base = new Class({

	options: {
		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(options);
		if (this.options.initialize) this.options.initialize.call(this);
	},

	step: function(){
		var time = $time();
		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();
		}
	},

	/*
	Property: set
		Immediately sets the value with no transition.

	Arguments:
		to - the point to jump to

	Example:
		>var myFx = new Fx.Style('myElement', 'opacity').set(0); //will make it immediately transparent
	*/

	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);
	},

	/*
	Property: start
		Executes an effect from one position to the other.

	Arguments:
		from - integer: staring value
		to - integer: the ending value

	Examples:
		>var myFx = new Fx.Style('myElement', 'opacity').start(0,1); //display a transition from transparent to opaque.
	*/

	start: function(from, to){
		if (!this.options.wait) this.stop();
		else if (this.timer) return this;
		this.from = from;
		this.to = to;
		this.time = $time();
		this.timer = this.step.periodical(Math.round(1000/this.options.fps), this);
		this.fireEvent('onStart', this.element);
		return this;
	},

	/*
	Property: stop
		Stops the transition.
	*/

	stop: function(end){
		if (!this.timer) return this;
		this.timer = $clear(this.timer);
		if (!end) this.fireEvent('onCancel', this.element);
		return this;
	},

	//compat
	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);

/*
Script: Fx.CSS.js
	Css parsing class for effects. Required by <Fx.Style>, <Fx.Styles>, <Fx.Elements>. No documentation needed, as its used internally.

License:
	MIT-style license.
*/

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(',')+')';
	}

};



/*
Script: Fx.Elements.js
	Contains <Fx.Elements>

License:
	MIT-style license.
*/

/*
Class: Fx.Elements
	Fx.Elements allows you to apply any number of styles transitions to a selection of elements. Includes colors (must be in hex format).

Arguments:
	elements - a collection of elements the effects will be applied to.
	options - same as <Fx.Base> 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);
	},

	/*
	Property: start
		Applies the passed in style transitions to each object named (see example). Each item in the collection is refered to as a numerical string ("1" for instance). The first item is "0", the second "1", etc.

	Example:
		(start code)
		var myElementsEffects = new Fx.Elements($$('a'));
		myElementsEffects.start({
			'0': { //let's change the first element's opacity and width
				'opacity': [0,1],
				'width': [100,200]
			},
			'1': { //and the second one's opacity
				'opacity': [0.2, 0.5]
			}
		});
		(end)
	*/

	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));
		}
	}

});


/*
Script: Fx.Transitions.js
	Cool transitions, to be used with all the effects.

Author:
	Robert Penner, <http://www.robertpenner.com/easing/>, modified to be used with mootools.

License:
	Easing Equations v1.5, (c) 2003 Robert Penner, all rights reserved. Open Source BSD License.
*/

/*
Class: Fx.Transitions
	A collection of tweaning transitions for use with the <Fx.Base> classes.
*/

Fx.Transitions.extend({

	/* Property: quadIn */

	quadIn: function(t, b, c, d){
		return c * (t /= d) * t + b;
	},

	/* Property: quadOut */

	quadOut: function(t, b, c, d){
		return - c * (t /= d) * (t - 2) + b;
	},

	/* Property: quadInOut */

	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;
	},

	/* Property: cubicIn */

	cubicIn: function(t, b, c, d){
		return c * (t /= d) * t * t + b;
	},

	/* Property: cubicOut */

	cubicOut: function(t, b, c, d){
		return c * ((t = t / d - 1) * t * t + 1) + b;
	},

	/* Property: cubicInOut */

	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;
	},

	/* Property: quartIn */

	quartIn: function(t, b, c, d){
		return c * (t /= d) * t * t * t + b;
	},

	/* Property: quartOut */

	quartOut: function(t, b, c, d){
		return - c * ((t = t / d - 1) * t * t * t - 1) + b;
	},

	/* Property: quartInOut */

	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;
	},

	/* Property: quintIn */

	quintIn: function(t, b, c, d){
		return c * (t /= d) * t * t * t * t + b;
	},

	/* Property: quintOut */

	quintOut: function(t, b, c, d){
		return c * ((t = t / d - 1) * t * t * t * t + 1) + b;
	},

	/* Property: quintInOut */

	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;
	},

	/* Property: sineIn */

	sineIn: function(t, b, c, d){
		return - c * Math.cos(t / d * (Math.PI / 2)) + c + b;
	},

	/* Property: sineOut */

	sineOut: function(t, b, c, d){
		return c * Math.sin(t / d * (Math.PI / 2)) + b;
	},

	/* Property: expoIn */

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

	/* Property: expoOut */

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

	/* Property: expoInOut */

	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;
	},

	/* Property: circIn */

	circIn: function(t, b, c, d){
		return - c * (Math.sqrt(1 - (t /= d) * t) - 1) + b;
	},

	/* Property: circOut */

	circOut: function(t, b, c, d){
		return c * Math.sqrt(1 - (t = t / d - 1) * t) + b;
	},

	/* Property: circInOut */

	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;
	},

	/* Property: elasticIn */

	elasticIn: function(t, b, c, d, a, p){
		if (t == 0) return b;
		if ((t /= d) == 1) return b + c;
		p = p || d * 0.3;
		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;
	},

	/* Property: elasticOut */

	elasticOut: function(t, b, c, d, a, p){
		if (t == 0) return b;
		if ((t /= d) == 1) return b + c;
		p = p || d * 0.3;
		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;
	},

	/* Property: elasticInOut */

	elasticInOut: function(t, b, c, d, a, p){
		if (t == 0) return b;
		if ((t /= d / 2) == 2) return b + c;
		p = p || d * (0.3 * 1.5);
		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 - 0.5 * (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) * 0.5 + c + b;
	},

	/* Property: backIn */

	backIn: function(t, b, c, d, s){
		s = s || 1.70158;
		return c * (t /= d) * t * ((s + 1) * t - s) + b;
	},

	/* Property: backOut */

	backOut: function(t, b, c, d, s){
		s = s || 1.70158;
		return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b;
	},

	/* Property: backInOut */

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

	/* Property: bounceIn */

	bounceIn: function(t, b, c, d){
		return c - Fx.Transitions.bounceOut(d - t, 0, c, d) + b;
	},

	/* Property: bounceOut */

	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 + 0.75) + b;
		else if (t < (2.5 / 2.75)) return c * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375) + b;
		else return c * (7.5625 * (t -= (2.625/2.75)) * t + 0.984375) + b;
	},

	/* Property: bounceInOut */

	bounceInOut: function(t, b, c, d){
		if (t < d / 2) return Fx.Transitions.bounceIn(t * 2, 0, c, d) * 0.5 + b;
		return Fx.Transitions.bounceOut(t * 2 - d, 0, c, d) * 0.5 + c * 0.5 + b;
	}

});



/*
Script: XHR.js
	Contains the basic XMLHttpRequest Class Wrapper.

License:
	MIT-style license.
*/

/*
Class: XHR
	Basic XMLHttpRequest Wrapper.

Arguments:
	options - an object with options names as keys. See options below.

Options:
	method - 'post' or 'get' - the protocol for the request; optional, defaults to 'post'.
	async - boolean: asynchronous option; true uses asynchronous requests. Defaults to true.
	onRequest - function to execute when the XHR request is fired.
	onSuccess - function to execute when the XHR request completes.
	onStateChange - function to execute when the state of the XMLHttpRequest changes.
	onFailure - function to execute when the state of the XMLHttpRequest changes.
	encoding - the encoding, defaults to utf-8.
	autoCancel - cancels the already running request if another one is sent. defaults to false.
	headers - accepts an object, that will be set to request headers.
	
Properties:
	running - true if the request is running.
	response - object, text and xml as keys. You can access this property in the onSuccess event.

Example:
	>var myXHR = new XHR({method: 'get'}).send('http://site.com/requestHandler.php', 'name=john&lastname=doe');
*/

var XHR = new Class({

	options: {
		method: 'post',
		async: true,
		onRequest: Class.empty,
		onSuccess: Class.empty,
		onFailure: Class.empty,
		urlEncoded: true,
		encoding: 'ISO-8859-2',
		autoCancel: false,
		headers: {}
	},

	initialize: function(options){
		this.transport = (window.XMLHttpRequest) ? new XMLHttpRequest() : (window.ie ? new ActiveXObject('Microsoft.XMLHTTP') : false);
		if (!this.transport) return;
		this.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(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);
	},

	/*
	Property: setHeader
		Add/modify an header for the request. It will not override headers from the options.

	Example:
		>var myAjax = new Ajax(url, {method: 'get', headers: {'X-Request': 'JSON'}});
		>myAjax.setHeader('Last-Modified','Sat, 1 Jan 2005 05:00:00 GMT');
	*/

	setHeader: function(name, value){
		this.headers[name] = value;
		return this;
	},

	/*
	Property: send
		Opens the xhr connection and sends the data. Data has to be null or a string.

	Example:
		>var myAjax = new Ajax(url, {method: 'get'});
		>myAjax.send(null);
	*/

	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.test(/\?/)) url = url + '?' + data, data = null;
		(function(){
			this.transport.open(this.options.method, 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.transport.send(data);
		}).delay(1, this);
		this.fireEvent('onRequest');
		return this;
	},
	
	/*
	Property: cancel
		cancels the running request. No effect if the request is not running.

	Example:
		>var myAjax = new Ajax(url, {method: 'get'}).request();
		>myAjax.cancel();
	*/

	cancel: function(){
		if (!this.running) return this;
		this.running = false;
		this.transport.abort();
		this.transport.onreadystatechange = Class.empty;
		this.fireEvent('onCancel');
		return this;
	}

});

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

/*
Script: Ajax.js
	Contains the <Ajax> class. Also contains methods to generate querystings from forms and Objects.

Credits:
	Loosely based on the version from prototype.js <http://prototype.conio.net>

License:
	MIT-style license.
*/

/*
Class: Ajax
	An Ajax class, For all your asynchronous needs. Inherits methods, properties and options from <XHR>.

Arguments:
	url - the url pointing to the server-side script.
	options - optional, an object containing options.

Options:
	data - you can write parameters here. Can be a querystring, an object or a Form element.
	onComplete - function to execute when the ajax request completes.
	update - $(element) to insert the response text of the XHR into, upon completion of the request.
	evalScripts - boolean; default is false. Execute scripts in the response text onComplete. When the response is javascript the whole response is evaluated.
	evalResponse - boolean; default is false. Force global evalulation of the whole response, no matter what content-type it is.

Example:
	>var myAjax = new Ajax(url, {method: 'get'}).request();
*/

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);
		this.options.data = this.options.data || this.options.postBody;
		if (!['post', 'get'].test(this.options.method)){
			this._method = '_method=' + this.options.method;
			this.options.method = 'post';
		}
		this.parent(this.options);
		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).setHTML(this.response.text);
		if (this.options.evalScripts || this.options.evalResponse) this.evalScripts();
		this.fireEvent('onComplete', [this.response.text, this.response.xml], 20);
	},

	/*
	Property: request
		Executes the ajax request.

	Example:
		>var myAjax = new Ajax(url, {method: 'get'});
		>myAjax.request();

		OR

		>new Ajax(url, {method: 'get'}).request();
	*/

	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);
	},

	/*
	Property: evalScripts
		Executes scripts in the response text
	*/

	evalScripts: function(){
		if (this.options.evalResponse || /(ecma|java)script/.test(this.getHeader('Content-type'))) var scripts = this.response.text;
		else {
			var script, scripts = [], regexp = /<script[^>]*>([\s\S]*?)<\/script>/gi;
			while ((script = regexp.exec(this.response.text))) scripts.push(script[1]);
			scripts = scripts.join('');
		}
		if (scripts) (window.execScript) ? window.execScript(scripts) : window.setTimeout(scripts, 0);
	},
	
	/*
	Property: getHeader
		Returns the given response header or null
	*/

	getHeader: function(name) {
		try {return this.transport.getResponseHeader(name);} catch(e){};
		return null;
	}

});

/* Section: Object related Functions */

/*
Function: Object.toQueryString
	Generates a querystring from key/pair values in an object

Arguments:
	source - the object to generate the querystring from.

Returns:
	the query string.

Example:
	>Object.toQueryString({apple: "red", lemon: "yellow"}); //returns "apple=red&lemon=yellow"
*/

Object.toQueryString = function(source){
	var queryString = [];
	for (var property in source) queryString.push(encodeURIComponent(property) + '=' + encodeURIComponent(source[property]));
	return queryString.join('&');
};

/*
Class: Element
	Custom class to allow all of its methods to be used with any DOM element via the dollar function <$>.
*/

Element.extend({

	/*
	Property: send
		Sends a form with an ajax post request

	Arguments:
		options - option collection for ajax request. See <Ajax> for the options list.

	Returns:
		The Ajax Class Instance

	Example:
		(start code)
		<form id="myForm" action="submit.php">
		<input name="email" value="bob@bob.com">
		<input name="zipCode" value="90210">
		</form>
		<script>
		$('myForm').send()
		</script>
		(end)
	*/

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

});

function ajaxLoadTarget(url, targetElement) {
   new Ajax(url, {
      method: 'get',
      update: targetElement,
      evalScripts: true,
      evalResponse: false,
      onFailure: function(){targetElement.removeClass('ajaxloading').setText('page not found');}
   }).request();
}