/*
---

script: Core.js

description: The core of MooTools, contains all the base functions and the Native and Hash implementations. Required by all the other scripts.

license: MIT-style license.

copyright: Copyright (c) 2006-2008 [Valerio Proietti](http://mad4milk.net/).

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

inspiration:
- Class implementation inspired by [Base.js](http://dean.edwards.name/weblog/2006/03/base/) Copyright (c) 2006 Dean Edwards, [GNU Lesser General Public License](http://opensource.org/licenses/lgpl-license.php)
- Some functionality inspired by [Prototype.js](http://prototypejs.org) Copyright (c) 2005-2007 Sam Stephenson, [MIT License](http://opensource.org/licenses/mit-license.php)

provides: [Mootools, Native, Hash.base, Array.each, $util]

...
*/

var MooTools = {
	'version': '1.2.4',
	'build': '0d9113241a90b9cd5643b926795852a2026710d4'
};

var Native = function(options){
	options = options || {};
	var name = options.name;
	var legacy = options.legacy;
	var protect = options.protect;
	var methods = options.implement;
	var generics = options.generics;
	var initialize = options.initialize;
	var afterImplement = options.afterImplement || function(){};
	var object = initialize || legacy;
	generics = generics !== false;

	object.constructor = Native;
	object.$family = {name: 'native'};
	if (legacy && initialize) object.prototype = legacy.prototype;
	object.prototype.constructor = object;

	if (name){
		var family = name.toLowerCase();
		object.prototype.$family = {name: family};
		Native.typize(object, family);
	}

	var add = function(obj, name, method, force){
		if (!protect || force || !obj.prototype[name]) obj.prototype[name] = method;
		if (generics) Native.genericize(obj, name, protect);
		afterImplement.call(obj, name, method);
		return obj;
	};

	object.alias = function(a1, a2, a3){
		if (typeof a1 == 'string'){
			var pa1 = this.prototype[a1];
			if ((a1 = pa1)) return add(this, a2, a1, a3);
		}
		for (var a in a1) this.alias(a, a1[a], a2);
		return this;
	};

	object.implement = function(a1, a2, a3){
		if (typeof a1 == 'string') return add(this, a1, a2, a3);
		for (var p in a1) add(this, p, a1[p], a2);
		return this;
	};

	if (methods) object.implement(methods);

	return object;
};

Native.genericize = function(object, property, check){
	if ((!check || !object[property]) && typeof object.prototype[property] == 'function') object[property] = function(){
		var args = Array.prototype.slice.call(arguments);
		return object.prototype[property].apply(args.shift(), args);
	};
};

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

Native.typize = function(object, family){
	if (!object.type) object.type = function(item){
		return ($type(item) === family);
	};
};

(function(){
	var natives = {'Array': Array, 'Date': Date, 'Function': Function, 'Number': Number, 'RegExp': RegExp, 'String': String};
	for (var n in natives) new Native({name: n, initialize: natives[n], protect: true});

	var types = {'boolean': Boolean, 'native': Native, 'object': Object};
	for (var t in types) Native.typize(types[t], t);

	var generics = {
		'Array': ["concat", "indexOf", "join", "lastIndexOf", "pop", "push", "reverse", "shift", "slice", "sort", "splice", "toString", "unshift", "valueOf"],
		'String': ["charAt", "charCodeAt", "concat", "indexOf", "lastIndexOf", "match", "replace", "search", "slice", "split", "substr", "substring", "toLowerCase", "toUpperCase", "valueOf"]
	};
	for (var g in generics){
		for (var i = generics[g].length; i--;) Native.genericize(natives[g], generics[g][i], true);
	}
})();

var Hash = new Native({

	name: 'Hash',

	initialize: function(object){
		if ($type(object) == 'hash') object = $unlink(object.getClean());
		for (var key in object) this[key] = object[key];
		return this;
	}

});

Hash.implement({

	forEach: function(fn, bind){
		for (var key in this){
			if (this.hasOwnProperty(key)) fn.call(bind, this[key], key, this);
		}
	},

	getClean: function(){
		var clean = {};
		for (var key in this){
			if (this.hasOwnProperty(key)) clean[key] = this[key];
		}
		return clean;
	},

	getLength: function(){
		var length = 0;
		for (var key in this){
			if (this.hasOwnProperty(key)) length++;
		}
		return length;
	}

});

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

Array.implement({

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

});

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

function $A(iterable){
	if (iterable.item){
		var l = iterable.length, array = new Array(l);
		while (l--) array[l] = iterable[l];
		return array;
	}
	return Array.prototype.slice.call(iterable);
};

function $arguments(i){
	return function(){
		return arguments[i];
	};
};

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

function $clear(timer){
	clearTimeout(timer);
	clearInterval(timer);
	return null;
};

function $defined(obj){
	return (obj != undefined);
};

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

function $empty(){};

function $extend(original, extended){
	for (var key in (extended || {})) original[key] = extended[key];
	return original;
};

function $H(object){
	return new Hash(object);
};

function $lambda(value){
	return ($type(value) == 'function') ? value : function(){
		return value;
	};
};

function $merge(){
	var args = Array.slice(arguments);
	args.unshift({});
	return $mixin.apply(null, args);
};

function $mixin(mix){
	for (var i = 1, l = arguments.length; i < l; i++){
		var object = arguments[i];
		if ($type(object) != 'object') continue;
		for (var key in object){
			var op = object[key], mp = mix[key];
			mix[key] = (mp && $type(op) == 'object' && $type(mp) == 'object') ? $mixin(mp, op) : $unlink(op);
		}
	}
	return mix;
};

function $pick(){
	for (var i = 0, l = arguments.length; i < l; i++){
		if (arguments[i] != undefined) return arguments[i];
	}
	return null;
};

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

function $splat(obj){
	var type = $type(obj);
	return (type) ? ((type != 'array' && type != 'arguments') ? [obj] : obj) : [];
};

var $time = Date.now || function(){
	return +new Date;
};

function $try(){
	for (var i = 0, l = arguments.length; i < l; i++){
		try {
			return arguments[i]();
		} catch(e){}
	}
	return null;
};

function $type(obj){
	if (obj == undefined) return false;
	if (obj.$family) return (obj.$family.name == 'number' && !isFinite(obj)) ? false : obj.$family.name;
	if (obj.nodeName){
		switch (obj.nodeType){
			case 1: return 'element';
			case 3: return (/\S/).test(obj.nodeValue) ? 'textnode' : 'whitespace';
		}
	} else if (typeof obj.length == 'number'){
		if (obj.callee) return 'arguments';
		else if (obj.item) return 'collection';
	}
	return typeof obj;
};

function $unlink(object){
	var unlinked;
	switch ($type(object)){
		case 'object':
			unlinked = {};
			for (var p in object) unlinked[p] = $unlink(object[p]);
		break;
		case 'hash':
			unlinked = new Hash(object);
		break;
		case 'array':
			unlinked = [];
			for (var i = 0, l = object.length; i < l; i++) unlinked[i] = $unlink(object[i]);
		break;
		default: return object;
	}
	return unlinked;
};


/*
---

script: Array.js

description: Contains Array Prototypes like each, contains, and erase.

license: MIT-style license.

requires:
- /$util
- /Array.each

provides: [Array]

...
*/

Array.implement({

	every: function(fn, bind){
		for (var i = 0, l = this.length; i < l; i++){
			if (!fn.call(bind, this[i], i, this)) return false;
		}
		return true;
	},

	filter: function(fn, bind){
		var results = [];
		for (var i = 0, l = this.length; i < l; i++){
			if (fn.call(bind, this[i], i, this)) results.push(this[i]);
		}
		return results;
	},

	clean: function(){
		return this.filter($defined);
	},

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

	map: function(fn, bind){
		var results = [];
		for (var i = 0, l = this.length; i < l; i++) results[i] = fn.call(bind, this[i], i, this);
		return results;
	},

	some: function(fn, bind){
		for (var i = 0, l = this.length; i < l; i++){
			if (fn.call(bind, this[i], i, this)) return true;
		}
		return false;
	},

	associate: function(keys){
		var obj = {}, length = Math.min(this.length, keys.length);
		for (var i = 0; i < length; i++) obj[keys[i]] = this[i];
		return obj;
	},

	link: function(object){
		var result = {};
		for (var i = 0, l = this.length; i < l; i++){
			for (var key in object){
				if (object[key](this[i])){
					result[key] = this[i];
					delete object[key];
					break;
				}
			}
		}
		return result;
	},

	contains: function(item, from){
		return this.indexOf(item, from) != -1;
	},

	extend: function(array){
		for (var i = 0, j = array.length; i < j; i++) this.push(array[i]);
		return this;
	},
	
	getLast: function(){
		return (this.length) ? this[this.length - 1] : null;
	},

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

	include: function(item){
		if (!this.contains(item)) this.push(item);
		return this;
	},

	combine: function(array){
		for (var i = 0, l = array.length; i < l; i++) this.include(array[i]);
		return this;
	},

	erase: function(item){
		for (var i = this.length; i--; i){
			if (this[i] === item) this.splice(i, 1);
		}
		return this;
	},

	empty: function(){
		this.length = 0;
		return this;
	},

	flatten: function(){
		var array = [];
		for (var i = 0, l = this.length; i < l; i++){
			var type = $type(this[i]);
			if (!type) continue;
			array = array.concat((type == 'array' || type == 'collection' || type == 'arguments') ? Array.flatten(this[i]) : this[i]);
		}
		return array;
	},

	hexToRgb: function(array){
		if (this.length != 3) return null;
		var rgb = this.map(function(value){
			if (value.length == 1) value += value;
			return value.toInt(16);
		});
		return (array) ? rgb : 'rgb(' + rgb + ')';
	},

	rgbToHex: function(array){
		if (this.length < 3) return null;
		if (this.length == 4 && this[3] == 0 && !array) return 'transparent';
		var hex = [];
		for (var i = 0; i < 3; i++){
			var bit = (this[i] - 0).toString(16);
			hex.push((bit.length == 1) ? '0' + bit : bit);
		}
		return (array) ? hex : '#' + hex.join('');
	}

});


/*
---

script: Function.js

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

license: MIT-style license.

requires:
- /Native
- /$util

provides: [Function]

...
*/

Function.implement({

	extend: function(properties){
		for (var property in properties) this[property] = properties[property];
		return this;
	},

	create: function(options){
		var self = this;
		options = options || {};
		return function(event){
			var args = options.arguments;
			args = (args != undefined) ? $splat(args) : Array.slice(arguments, (options.event) ? 1 : 0);
			if (options.event) args = [event || window.event].extend(args);
			var returns = function(){
				return self.apply(options.bind || null, args);
			};
			if (options.delay) return setTimeout(returns, options.delay);
			if (options.periodical) return setInterval(returns, options.periodical);
			if (options.attempt) return $try(returns);
			return returns();
		};
	},

	run: function(args, bind){
		return this.apply(bind, $splat(args));
	},

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

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

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

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

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

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

});


/*
---

script: Number.js

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

license: MIT-style license.

requires:
- /Native
- /$util

provides: [Number]

...
*/

Number.implement({

	limit: function(min, max){
		return Math.min(max, Math.max(min, this));
	},

	round: function(precision){
		precision = Math.pow(10, precision || 0);
		return Math.round(this * precision) / precision;
	},

	times: function(fn, bind){
		for (var i = 0; i < this; i++) fn.call(bind, i, this);
	},

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

	toInt: function(base){
		return parseInt(this, base || 10);
	}

});

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

(function(math){
	var methods = {};
	math.each(function(name){
		if (!Number[name]) methods[name] = function(){
			return Math[name].apply(null, [this].concat($A(arguments)));
		};
	});
	Number.implement(methods);
})(['abs', 'acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'exp', 'floor', 'log', 'max', 'min', 'pow', 'sin', 'sqrt', 'tan']);


/*
---

script: String.js

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

license: MIT-style license.

requires:
- /Native

provides: [String]

...
*/

String.implement({

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

	contains: function(string, separator){
		return (separator) ? (separator + this + separator).indexOf(separator + string + separator) > -1 : this.indexOf(string) > -1;
	},

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

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

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

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

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

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

	toInt: function(base){
		return parseInt(this, base || 10);
	},

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

	hexToRgb: function(array){
		var hex = this.match(/^#?(\w{1,2})(\w{1,2})(\w{1,2})$/);
		return (hex) ? hex.slice(1).hexToRgb(array) : null;
	},

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

	stripScripts: function(option){
		var scripts = '';
		var text = this.replace(/<script[^>]*>([\s\S]*?)<\/script>/gi, function(){
			scripts += arguments[1] + '\n';
			return '';
		});
		if (option === true) $exec(scripts);
		else if ($type(option) == 'function') option(scripts, text);
		return text;
	},

	substitute: function(object, regexp){
		return this.replace(regexp || (/\\?\{([^{}]+)\}/g), function(match, name){
			if (match.charAt(0) == '\\') return match.slice(1);
			return (object[name] != undefined) ? object[name] : '';
		});
	}

});


/*
---

script: Hash.js

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

license: MIT-style license.

requires:
- /Hash.base

provides: [Hash]

...
*/

Hash.implement({

	has: Object.prototype.hasOwnProperty,

	keyOf: function(value){
		for (var key in this){
			if (this.hasOwnProperty(key) && this[key] === value) return key;
		}
		return null;
	},

	hasValue: function(value){
		return (Hash.keyOf(this, value) !== null);
	},

	extend: function(properties){
		Hash.each(properties || {}, function(value, key){
			Hash.set(this, key, value);
		}, this);
		return this;
	},

	combine: function(properties){
		Hash.each(properties || {}, function(value, key){
			Hash.include(this, key, value);
		}, this);
		return this;
	},

	erase: function(key){
		if (this.hasOwnProperty(key)) delete this[key];
		return this;
	},

	get: function(key){
		return (this.hasOwnProperty(key)) ? this[key] : null;
	},

	set: function(key, value){
		if (!this[key] || this.hasOwnProperty(key)) this[key] = value;
		return this;
	},

	empty: function(){
		Hash.each(this, function(value, key){
			delete this[key];
		}, this);
		return this;
	},

	include: function(key, value){
		if (this[key] == undefined) this[key] = value;
		return this;
	},

	map: function(fn, bind){
		var results = new Hash;
		Hash.each(this, function(value, key){
			results.set(key, fn.call(bind, value, key, this));
		}, this);
		return results;
	},

	filter: function(fn, bind){
		var results = new Hash;
		Hash.each(this, function(value, key){
			if (fn.call(bind, value, key, this)) results.set(key, value);
		}, this);
		return results;
	},

	every: function(fn, bind){
		for (var key in this){
			if (this.hasOwnProperty(key) && !fn.call(bind, this[key], key)) return false;
		}
		return true;
	},

	some: function(fn, bind){
		for (var key in this){
			if (this.hasOwnProperty(key) && fn.call(bind, this[key], key)) return true;
		}
		return false;
	},

	getKeys: function(){
		var keys = [];
		Hash.each(this, function(value, key){
			keys.push(key);
		});
		return keys;
	},

	getValues: function(){
		var values = [];
		Hash.each(this, function(value){
			values.push(value);
		});
		return values;
	},

	toQueryString: function(base){
		var queryString = [];
		Hash.each(this, function(value, key){
			if (base) key = base + '[' + key + ']';
			var result;
			switch ($type(value)){
				case 'object': result = Hash.toQueryString(value, key); break;
				case 'array':
					var qs = {};
					value.each(function(val, i){
						qs[i] = val;
					});
					result = Hash.toQueryString(qs, key);
				break;
				default: result = key + '=' + encodeURIComponent(value);
			}
			if (value != undefined) queryString.push(result);
		});

		return queryString.join('&');
	}

});

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


/*
---

script: Class.js

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

license: MIT-style license.

requires:
- /$util
- /Native
- /Array
- /String
- /Function
- /Number
- /Hash

provides: [Class]

...
*/

function Class(params){
	
	if (params instanceof Function) params = {initialize: params};
	
	var newClass = function(){
		Object.reset(this);
		if (newClass._prototyping) return this;
		this._current = $empty;
		var value = (this.initialize) ? this.initialize.apply(this, arguments) : this;
		delete this._current; delete this.caller;
		return value;
	}.extend(this);
	
	newClass.implement(params);
	
	newClass.constructor = Class;
	newClass.prototype.constructor = newClass;

	return newClass;

};

Function.prototype.protect = function(){
	this._protected = true;
	return this;
};

Object.reset = function(object, key){
		
	if (key == null){
		for (var p in object) Object.reset(object, p);
		return object;
	}
	
	delete object[key];
	
	switch ($type(object[key])){
		case 'object':
			var F = function(){};
			F.prototype = object[key];
			var i = new F;
			object[key] = Object.reset(i);
		break;
		case 'array': object[key] = $unlink(object[key]); break;
	}
	
	return object;
	
};

new Native({name: 'Class', initialize: Class}).extend({

	instantiate: function(F){
		F._prototyping = true;
		var proto = new F;
		delete F._prototyping;
		return proto;
	},
	
	wrap: function(self, key, method){
		if (method._origin) method = method._origin;
		
		return function(){
			if (method._protected && this._current == null) throw new Error('The method "' + key + '" cannot be called.');
			var caller = this.caller, current = this._current;
			this.caller = current; this._current = arguments.callee;
			var result = method.apply(this, arguments);
			this._current = current; this.caller = caller;
			return result;
		}.extend({_owner: self, _origin: method, _name: key});

	}
	
});

Class.implement({
	
	implement: function(key, value){
		
		if ($type(key) == 'object'){
			for (var p in key) this.implement(p, key[p]);
			return this;
		}
		
		var mutator = Class.Mutators[key];
		
		if (mutator){
			value = mutator.call(this, value);
			if (value == null) return this;
		}
		
		var proto = this.prototype;

		switch ($type(value)){
			
			case 'function':
				if (value._hidden) return this;
				proto[key] = Class.wrap(this, key, value);
			break;
			
			case 'object':
				var previous = proto[key];
				if ($type(previous) == 'object') $mixin(previous, value);
				else proto[key] = $unlink(value);
			break;
			
			case 'array':
				proto[key] = $unlink(value);
			break;
			
			default: proto[key] = value;

		}
		
		return this;

	}
	
});

Class.Mutators = {
	
	Extends: function(parent){

		this.parent = parent;
		this.prototype = Class.instantiate(parent);

		this.implement('parent', function(){
			var name = this.caller._name, previous = this.caller._owner.parent.prototype[name];
			if (!previous) throw new Error('The method "' + name + '" has no parent.');
			return previous.apply(this, arguments);
		}.protect());

	},

	Implements: function(items){
		$splat(items).each(function(item){
			if (item instanceof Function) item = Class.instantiate(item);
			this.implement(item);
		}, this);

	}
	
};


/*
---

script: Class.Extras.js

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

license: MIT-style license.

requires:
- /Class

provides: [Chain, Events, Options]

...
*/

var Chain = new Class({

	$chain: [],

	chain: function(){
		this.$chain.extend(Array.flatten(arguments));
		return this;
	},

	callChain: function(){
		return (this.$chain.length) ? this.$chain.shift().apply(this, arguments) : false;
	},

	clearChain: function(){
		this.$chain.empty();
		return this;
	}

});

var Events = new Class({

	$events: {},

	addEvent: function(type, fn, internal){
		type = Events.removeOn(type);
		if (fn != $empty){
			this.$events[type] = this.$events[type] || [];
			this.$events[type].include(fn);
			if (internal) fn.internal = true;
		}
		return this;
	},

	addEvents: function(events){
		for (var type in events) this.addEvent(type, events[type]);
		return this;
	},

	fireEvent: function(type, args, delay){
		type = Events.removeOn(type);
		if (!this.$events || !this.$events[type]) return this;
		this.$events[type].each(function(fn){
			fn.create({'bind': this, 'delay': delay, 'arguments': args})();
		}, this);
		return this;
	},

	removeEvent: function(type, fn){
		type = Events.removeOn(type);
		if (!this.$events[type]) return this;
		if (!fn.internal) this.$events[type].erase(fn);
		return this;
	},

	removeEvents: function(events){
		var type;
		if ($type(events) == 'object'){
			for (type in events) this.removeEvent(type, events[type]);
			return this;
		}
		if (events) events = Events.removeOn(events);
		for (type in this.$events){
			if (events && events != type) continue;
			var fns = this.$events[type];
			for (var i = fns.length; i--; i) this.removeEvent(type, fns[i]);
		}
		return this;
	}

});

Events.removeOn = function(string){
	return string.replace(/^on([A-Z])/, function(full, first){
		return first.toLowerCase();
	});
};

var Options = new Class({

	setOptions: function(){
		this.options = $merge.run([this.options].extend(arguments));
		if (!this.addEvent) return this;
		for (var option in this.options){
			if ($type(this.options[option]) != 'function' || !(/^on[A-Z]/).test(option)) continue;
			this.addEvent(option, this.options[option]);
			delete this.options[option];
		}
		return this;
	}

});
