//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2009 Aaron Newton <http://clientcide.com/>, Valerio Proietti <http://mad4milk.net> & the MooTools team <http://mootools.net/developers>, MIT Style License.

/*
---

script: More.js

description: MooTools More

license: MIT-style license

authors:
- Guillermo Rauch
- Thomas Aylott
- Scott Kyle

requires:
- core:1.2.4/MooTools

provides: [MooTools.More]

...
*/

MooTools.More = {
	'version': '1.2.4.3',
	'build': '6c664838ffa145382c063893d35455a624c13a50'
};

/*
---

script: Log.js

description: Provides basic logging functionality for plugins to implement.

license: MIT-style license

authors:
- Guillermo Rauch
- Thomas Aylott
- Scott Kyle

requires:
- core:1.2.4/Class
- /MooTools.More

provides: [Log]

...
*/

(function(){

var global = this;

var log = function(){
	if (global.console && console.log){
		try {
			console.log.apply(console, arguments);
		} catch(e) {
			console.log(Array.slice(arguments));
		}
	} else {
		Log.logged.push(arguments);
	}
	return this;
};

var disabled = function(){
	this.logged.push(arguments);
	return this;
};

this.Log = new Class({
	
	logged: [],
	
	log: disabled,
	
	resetLog: function(){
		this.logged.empty();
		return this;
	},

	enableLog: function(){
		this.log = log;
		this.logged.each(function(args){
			this.log.apply(this, args);
		}, this);
		return this.resetLog();
	},

	disableLog: function(){
		this.log = disabled;
		return this;
	}
	
});

Log.extend(new Log).enableLog();

// legacy
Log.logger = function(){
	return this.log.apply(this, arguments);
};

})();

/*
---

script: Class.Binds.js

description: Automagically binds specified methods in a class to the instance of the class.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Class
- /MooTools.More

provides: [Class.Binds]

...
*/

Class.Mutators.Binds = function(binds){
    return binds;
};

Class.Mutators.initialize = function(initialize){
	return function(){
		$splat(this.Binds).each(function(name){
			var original = this[name];
			if (original) this[name] = original.bind(this);
		}, this);
		return initialize.apply(this, arguments);
	};
};


/*
---

script: Array.Extras.js

description: Extends the Array native object to include useful methods to work with arrays.

license: MIT-style license

authors:
- Christoph Pojer

requires:
- core:1.2.4/Array

provides: [Array.Extras]

...
*/
Array.implement({

	min: function(){
		return Math.min.apply(null, this);
	},

	max: function(){
		return Math.max.apply(null, this);
	},

	average: function(){
		return this.length ? this.sum() / this.length : 0;
	},

	sum: function(){
		var result = 0, l = this.length;
		if (l){
			do {
				result += this[--l];
			} while (l);
		}
		return result;
	},

	unique: function(){
		return [].combine(this);
	},

	shuffle: function(){
		for (var i = this.length; i && --i;){
			var temp = this[i], r = Math.floor(Math.random() * ( i + 1 ));
			this[i] = this[r];
			this[r] = temp;
		}
		return this;
	}

});

/*
---

script: Hash.Extras.js

description: Extends the Hash native object to include getFromPath which allows a path notation to child elements.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Hash.base
- /MooTools.More

provides: [Hash.Extras]

...
*/

Hash.implement({

	getFromPath: function(notation){
		var source = this.getClean();
		notation.replace(/\[([^\]]+)\]|\.([^.[]+)|[^[.]+/g, function(match){
			if (!source) return null;
			var prop = arguments[2] || arguments[1] || arguments[0];
			source = (prop in source) ? source[prop] : null;
			return match;
		});
		return source;
	},

	cleanValues: function(method){
		method = method || $defined;
		this.each(function(v, k){
			if (!method(v)) this.erase(k);
		}, this);
		return this;
	},

	run: function(){
		var args = arguments;
		this.each(function(v, k){
			if ($type(v) == 'function') v.run(args);
		});
	}

});

/*
---

script: String.Extras.js

description: Extends the String native object to include methods useful in managing various kinds of strings (query strings, urls, html, etc).

license: MIT-style license

authors:
- Aaron Newton
- Guillermo Rauch

requires:
- core:1.2.4/String
- core:1.2.4/$util
- core:1.2.4/Array

provides: [String.Extras]

...
*/

(function(){
  
var special = ['??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??', '??','??','??','??', '??','??','??','??','??','??','??','??','??','??','??','??', '??','??','??','??','??','??','??','??','??','??', '??','??','??','??','??','??', '??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??', '??','??','??','??','??','??','??','??','??','??','??','??','??','??','??','??', '??','??','??','??','??','??','??','??','??','??', '??','??','??','??','??','??','??','??','??','??'];

var standard = ['A','a','A','a','A','a','A','a','Ae','ae','A','a','A','a','A','a','C','c','C','c','C','c','D','d','D','d', 'E','e','E','e','E','e','E','e','E','e','E','e','G','g','I','i','I','i','I','i','I','i','L','l','L','l','L','l', 'N','n','N','n','N','n', 'O','o','O','o','O','o','O','o','Oe','oe','O','o','o', 'R','r','R','r', 'S','s','S','s','S','s','T','t','T','t','T','t', 'U','u','U','u','U','u','Ue','ue','U','u','Y','y','Y','y','Z','z','Z','z','Z','z','TH','th','DH','dh','ss','OE','oe','AE','ae','u'];

var tidymap = {
	"[\xa0\u2002\u2003\u2009]": " ",
	"\xb7": "*",
	"[\u2018\u2019]": "'",
	"[\u201c\u201d]": '"',
	"\u2026": "...",
	"\u2013": "-",
	"\u2014": "--",
	"\uFFFD": "&raquo;"
};

var getRegForTag = function(tag, contents) {
	tag = tag || '';
	var regstr = contents ? "<" + tag + "[^>]*>([\\s\\S]*?)<\/" + tag + ">" : "<\/?" + tag + "([^>]+)?>";
	reg = new RegExp(regstr, "gi");
	return reg;
};

String.implement({

	standardize: function(){
		var text = this;
		special.each(function(ch, i){
			text = text.replace(new RegExp(ch, 'g'), standard[i]);
		});
		return text;
	},

	repeat: function(times){
		return new Array(times + 1).join(this);
	},

	pad: function(length, str, dir){
		if (this.length >= length) return this;
		var pad = (str == null ? ' ' : '' + str).repeat(length - this.length).substr(0, length - this.length);
		if (!dir || dir == 'right') return this + pad;
		if (dir == 'left') return pad + this;
		return pad.substr(0, (pad.length / 2).floor()) + this + pad.substr(0, (pad.length / 2).ceil());
	},

	getTags: function(tag, contents){
		return this.match(getRegForTag(tag, contents)) || [];
	},

	stripTags: function(tag, contents){
		return this.replace(getRegForTag(tag, contents), '');
	},

	tidy: function(){
		var txt = this.toString();
		$each(tidymap, function(value, key){
			txt = txt.replace(new RegExp(key, 'g'), value);
		});
		return txt;
	}

});

})();

/*
---

script: Element.Delegation.js

description: Extends the Element native object to include the delegate method for more efficient event management.

credits:
- "Event checking based on the work of Daniel Steigerwald. License: MIT-style license.	Copyright: Copyright (c) 2008 Daniel Steigerwald, daniel.steigerwald.cz"

license: MIT-style license

authors:
- Aaron Newton
- Daniel Steigerwald

requires:
- core:1.2.4/Element.Event
- core:1.2.4/Selectors
- /MooTools.More

provides: [Element.Delegation]

...
*/

(function(addEvent, removeEvent){
	
	var match = /(.*?):relay\(([^)]+)\)$/,
		combinators = /[+>~\s]/,
		splitType = function(type){
			var bits = type.match(match);
			return !bits ? {event: type} : {
				event: bits[1],
				selector: bits[2]
			};
		},
		check = function(e, selector){
			var t = e.target;
			if (combinators.test(selector = selector.trim())){
				var els = this.getElements(selector);
				for (var i = els.length; i--; ){
					var el = els[i];
					if (t == el || el.hasChild(t)) return el;
				}
			} else {
				for ( ; t && t != this; t = t.parentNode){
					if (Element.match(t, selector)) return document.id(t);
				}
			}
			return null;
		};

	Element.implement({

		addEvent: function(type, fn){
			var splitted = splitType(type);
			if (splitted.selector){
				var monitors = this.retrieve('$moo:delegateMonitors', {});
				if (!monitors[type]){
					var monitor = function(e){
						var el = check.call(this, e, splitted.selector);
						if (el) this.fireEvent(type, [e, el], 0, el);
					}.bind(this);
					monitors[type] = monitor;
					addEvent.call(this, splitted.event, monitor);
				}
			}
			return addEvent.apply(this, arguments);
		},

		removeEvent: function(type, fn){
			var splitted = splitType(type);
			if (splitted.selector){
				var events = this.retrieve('events');
				if (!events || !events[type] || (fn && !events[type].keys.contains(fn))) return this;

				if (fn) removeEvent.apply(this, [type, fn]);
				else removeEvent.apply(this, type);

				events = this.retrieve('events');
				if (events && events[type] && events[type].keys.length == 0){
					var monitors = this.retrieve('$moo:delegateMonitors', {});
					removeEvent.apply(this, [splitted.event, monitors[type]]);
					delete monitors[type];
				}
				return this;
			}
			return removeEvent.apply(this, arguments);
		},

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

	});

})(Element.prototype.addEvent, Element.prototype.removeEvent);

/*
---

script: Element.Measure.js

description: Extends the Element native object to include methods useful in measuring dimensions.

credits: "Element.measure / .expose methods by Daniel Steigerwald License: MIT-style license. Copyright: Copyright (c) 2008 Daniel Steigerwald, daniel.steigerwald.cz"

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element.Style
- core:1.2.4/Element.Dimensions
- /MooTools.More

provides: [Element.Measure]

...
*/

Element.implement({

	measure: function(fn){
		var vis = function(el) {
			return !!(!el || el.offsetHeight || el.offsetWidth);
		};
		if (vis(this)) return fn.apply(this);
		var parent = this.getParent(),
			restorers = [],
			toMeasure = []; 
		while (!vis(parent) && parent != document.body) {
			toMeasure.push(parent.expose());
			parent = parent.getParent();
		}
		var restore = this.expose();
		var result = fn.apply(this);
		restore();
		toMeasure.each(function(restore){
			restore();
		});
		return result;
	},

	expose: function(){
		if (this.getStyle('display') != 'none') return $empty;
		var before = this.style.cssText;
		this.setStyles({
			display: 'block',
			position: 'absolute',
			visibility: 'hidden'
		});
		return function(){
			this.style.cssText = before;
		}.bind(this);
	},

	getDimensions: function(options){
		options = $merge({computeSize: false},options);
		var dim = {};
		var getSize = function(el, options){
			return (options.computeSize)?el.getComputedSize(options):el.getSize();
		};
		var parent = this.getParent('body');
		if (parent && this.getStyle('display') == 'none'){
			dim = this.measure(function(){
				return getSize(this, options);
			});
		} else if (parent){
			try { //safari sometimes crashes here, so catch it
				dim = getSize(this, options);
			}catch(e){}
		} else {
			dim = {x: 0, y: 0};
		}
		return $chk(dim.x) ? $extend(dim, {width: dim.x, height: dim.y}) : $extend(dim, {x: dim.width, y: dim.height});
	},

	getComputedSize: function(options){
		options = $merge({
			styles: ['padding','border'],
			plains: {
				height: ['top','bottom'],
				width: ['left','right']
			},
			mode: 'both'
		}, options);
		var size = {width: 0,height: 0};
		switch (options.mode){
			case 'vertical':
				delete size.width;
				delete options.plains.width;
				break;
			case 'horizontal':
				delete size.height;
				delete options.plains.height;
				break;
		}
		var getStyles = [];
		//this function might be useful in other places; perhaps it should be outside this function?
		$each(options.plains, function(plain, key){
			plain.each(function(edge){
				options.styles.each(function(style){
					getStyles.push((style == 'border') ? style + '-' + edge + '-' + 'width' : style + '-' + edge);
				});
			});
		});
		var styles = {};
		getStyles.each(function(style){ styles[style] = this.getComputedStyle(style); }, this);
		var subtracted = [];
		$each(options.plains, function(plain, key){ //keys: width, height, plains: ['left', 'right'], ['top','bottom']
			var capitalized = key.capitalize();
			size['total' + capitalized] = size['computed' + capitalized] = 0;
			plain.each(function(edge){ //top, left, right, bottom
				size['computed' + edge.capitalize()] = 0;
				getStyles.each(function(style, i){ //padding, border, etc.
					//'padding-left'.test('left') size['totalWidth'] = size['width'] + [padding-left]
					if (style.test(edge)){
						styles[style] = styles[style].toInt() || 0; //styles['padding-left'] = 5;
						size['total' + capitalized] = size['total' + capitalized] + styles[style];
						size['computed' + edge.capitalize()] = size['computed' + edge.capitalize()] + styles[style];
					}
					//if width != width (so, padding-left, for instance), then subtract that from the total
					if (style.test(edge) && key != style &&
						(style.test('border') || style.test('padding')) && !subtracted.contains(style)){
						subtracted.push(style);
						size['computed' + capitalized] = size['computed' + capitalized]-styles[style];
					}
				});
			});
		});

		['Width', 'Height'].each(function(value){
			var lower = value.toLowerCase();
			if(!$chk(size[lower])) return;

			size[lower] = size[lower] + this['offset' + value] + size['computed' + value];
			size['total' + value] = size[lower] + size['total' + value];
			delete size['computed' + value];
		}, this);

		return $extend(styles, size);
	}

});

/*
---

script: Element.Pin.js

description: Extends the Element native object to include the pin method useful for fixed positioning for elements.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element.Event
- core:1.2.4/Element.Dimensions
- core:1.2.4/Element.Style
- /MooTools.More

provides: [Element.Pin]

...
*/

(function(){
	var supportsPositionFixed = false;
	window.addEvent('domready', function(){
		var test = new Element('div').setStyles({
			position: 'fixed',
			top: 0,
			right: 0
		}).inject(document.body);
		supportsPositionFixed = (test.offsetTop === 0);
		test.dispose();
	});

	Element.implement({

		pin: function(enable){
			if (this.getStyle('display') == 'none') return null;
			
			var p,
					scroll = window.getScroll();
			if (enable !== false){
				p = this.getPosition();
				if (!this.retrieve('pinned')){
					var pos = {
						top: p.y - scroll.y,
						left: p.x - scroll.x
					};
					if (supportsPositionFixed){
						this.setStyle('position', 'fixed').setStyles(pos);
					} else {
						this.store('pinnedByJS', true);
						this.setStyles({
							position: 'absolute',
							top: p.y,
							left: p.x
						}).addClass('isPinned');
						this.store('scrollFixer', (function(){
							if (this.retrieve('pinned'))
								var scroll = window.getScroll();
								this.setStyles({
									top: pos.top.toInt() + scroll.y,
									left: pos.left.toInt() + scroll.x
								});
						}).bind(this));
						window.addEvent('scroll', this.retrieve('scrollFixer'));
					}
					this.store('pinned', true);
				}
			} else {
				var op;
				if (!Browser.Engine.trident){
					var parent = this.getParent();
					op = (parent.getComputedStyle('position') != 'static' ? parent : parent.getOffsetParent());
				}
				p = this.getPosition(op);
				this.store('pinned', false);
				var reposition;
				if (supportsPositionFixed && !this.retrieve('pinnedByJS')){
					reposition = {
						top: p.y + scroll.y,
						left: p.x + scroll.x
					};
				} else {
					this.store('pinnedByJS', false);
					window.removeEvent('scroll', this.retrieve('scrollFixer'));
					reposition = {
						top: p.y,
						left: p.x
					};
				}
				this.setStyles($merge(reposition, {position: 'absolute'})).removeClass('isPinned');
			}
			return this;
		},

		unpin: function(){
			return this.pin(false);
		},

		togglepin: function(){
			this.pin(!this.retrieve('pinned'));
		}

	});

})();

/*
---

script: Element.Position.js

description: Extends the Element native object to include methods useful positioning elements relative to others.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element.Dimensions
- /Element.Measure

provides: [Elements.Position]

...
*/

(function(){

var original = Element.prototype.position;

Element.implement({

	position: function(options){
		//call original position if the options are x/y values
		if (options && ($defined(options.x) || $defined(options.y))) return original ? original.apply(this, arguments) : this;
		$each(options||{}, function(v, k){ if (!$defined(v)) delete options[k]; });
		options = $merge({
			// minimum: { x: 0, y: 0 },
			// maximum: { x: 0, y: 0},
			relativeTo: document.body,
			position: {
				x: 'center', //left, center, right
				y: 'center' //top, center, bottom
			},
			edge: false,
			offset: {x: 0, y: 0},
			returnPos: false,
			relFixedPosition: false,
			ignoreMargins: false,
			ignoreScroll: false,
			allowNegative: false
		}, options);
		//compute the offset of the parent positioned element if this element is in one
		var parentOffset = {x: 0, y: 0}, 
				parentPositioned = false;
		/* dollar around getOffsetParent should not be necessary, but as it does not return
		 * a mootools extended element in IE, an error occurs on the call to expose. See:
		 * http://mootools.lighthouseapp.com/projects/2706/tickets/333-element-getoffsetparent-inconsistency-between-ie-and-other-browsers */
		var offsetParent = this.measure(function(){
			return document.id(this.getOffsetParent());
		});
		if (offsetParent && offsetParent != this.getDocument().body){
			parentOffset = offsetParent.measure(function(){
				return this.getPosition();
			});
			parentPositioned = offsetParent != document.id(options.relativeTo);
			options.offset.x = options.offset.x - parentOffset.x;
			options.offset.y = options.offset.y - parentOffset.y;
		}
		//upperRight, bottomRight, centerRight, upperLeft, bottomLeft, centerLeft
		//topRight, topLeft, centerTop, centerBottom, center
		var fixValue = function(option){
			if ($type(option) != 'string') return option;
			option = option.toLowerCase();
			var val = {};
			if (option.test('left')) val.x = 'left';
			else if (option.test('right')) val.x = 'right';
			else val.x = 'center';
			if (option.test('upper') || option.test('top')) val.y = 'top';
			else if (option.test('bottom')) val.y = 'bottom';
			else val.y = 'center';
			return val;
		};
		options.edge = fixValue(options.edge);
		options.position = fixValue(options.position);
		if (!options.edge){
			if (options.position.x == 'center' && options.position.y == 'center') options.edge = {x:'center', y:'center'};
			else options.edge = {x:'left', y:'top'};
		}

		this.setStyle('position', 'absolute');
		var rel = document.id(options.relativeTo) || document.body,
				calc = rel == document.body ? window.getScroll() : rel.getPosition(),
				top = calc.y, left = calc.x;

		var dim = this.getDimensions({computeSize: true, styles:['padding', 'border','margin']});
		var pos = {},
				prefY = options.offset.y,
				prefX = options.offset.x,
				winSize = window.getSize();
		switch(options.position.x){
			case 'left':
				pos.x = left + prefX;
				break;
			case 'right':
				pos.x = left + prefX + rel.offsetWidth;
				break;
			default: //center
				pos.x = left + ((rel == document.body ? winSize.x : rel.offsetWidth)/2) + prefX;
				break;
		}
		switch(options.position.y){
			case 'top':
				pos.y = top + prefY;
				break;
			case 'bottom':
				pos.y = top + prefY + rel.offsetHeight;
				break;
			default: //center
				pos.y = top + ((rel == document.body ? winSize.y : rel.offsetHeight)/2) + prefY;
				break;
		}
		if (options.edge){
			var edgeOffset = {};

			switch(options.edge.x){
				case 'left':
					edgeOffset.x = 0;
					break;
				case 'right':
					edgeOffset.x = -dim.x-dim.computedRight-dim.computedLeft;
					break;
				default: //center
					edgeOffset.x = -(dim.totalWidth/2);
					break;
			}
			switch(options.edge.y){
				case 'top':
					edgeOffset.y = 0;
					break;
				case 'bottom':
					edgeOffset.y = -dim.y-dim.computedTop-dim.computedBottom;
					break;
				default: //center
					edgeOffset.y = -(dim.totalHeight/2);
					break;
			}
			pos.x += edgeOffset.x;
			pos.y += edgeOffset.y;
		}
		pos = {
			left: ((pos.x >= 0 || parentPositioned || options.allowNegative) ? pos.x : 0).toInt(),
			top: ((pos.y >= 0 || parentPositioned || options.allowNegative) ? pos.y : 0).toInt()
		};
		var xy = {left: 'x', top: 'y'};
		['minimum', 'maximum'].each(function(minmax) {
			['left', 'top'].each(function(lr) {
				var val = options[minmax] ? options[minmax][xy[lr]] : null;
				if (val != null && pos[lr] < val) pos[lr] = val;
			});
		});
		if (rel.getStyle('position') == 'fixed' || options.relFixedPosition){
			var winScroll = window.getScroll();
			pos.top+= winScroll.y;
			pos.left+= winScroll.x;
		}
		if (options.ignoreScroll) {
			var relScroll = rel.getScroll();
			pos.top-= relScroll.y;
			pos.left-= relScroll.x;
		}
		if (options.ignoreMargins) {
			pos.left += (
				options.edge.x == 'right' ? dim['margin-right'] : 
				options.edge.x == 'center' ? -dim['margin-left'] + ((dim['margin-right'] + dim['margin-left'])/2) : 
					- dim['margin-left']
			);
			pos.top += (
				options.edge.y == 'bottom' ? dim['margin-bottom'] : 
				options.edge.y == 'center' ? -dim['margin-top'] + ((dim['margin-bottom'] + dim['margin-top'])/2) : 
					- dim['margin-top']
			);
		}
		pos.left = Math.ceil(pos.left);
		pos.top = Math.ceil(pos.top);
		if (options.returnPos) return pos;
		else this.setStyles(pos);
		return this;
	}

});

})();

/*
---

script: Element.Shortcuts.js

description: Extends the Element native object to include some shortcut methods.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element.Style
- /MooTools.More

provides: [Element.Shortcuts]

...
*/

Element.implement({

	isDisplayed: function(){
		return this.getStyle('display') != 'none';
	},

	isVisible: function(){
		var w = this.offsetWidth,
			h = this.offsetHeight;
		return (w == 0 && h == 0) ? false : (w > 0 && h > 0) ? true : this.isDisplayed();
	},

	toggle: function(){
		return this[this.isDisplayed() ? 'hide' : 'show']();
	},

	hide: function(){
		var d;
		try {
			//IE fails here if the element is not in the dom
			d = this.getStyle('display');
		} catch(e){}
		return this.store('originalDisplay', d || '').setStyle('display', 'none');
	},

	show: function(display){
		display = display || this.retrieve('originalDisplay') || 'block';
		return this.setStyle('display', (display == 'none') ? 'block' : display);
	},

	swapClass: function(remove, add){
		return this.removeClass(remove).addClass(add);
	}

});


/*
---

script: Fx.Elements.js

description: Effect to change any number of CSS properties of any number of Elements.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Fx.CSS
- /MooTools.More

provides: [Fx.Elements]

...
*/

Fx.Elements = new Class({

	Extends: Fx.CSS,

	initialize: function(elements, options){
		this.elements = this.subject = $$(elements);
		this.parent(options);
	},

	compute: function(from, to, delta){
		var now = {};
		for (var i in from){
			var iFrom = from[i], iTo = to[i], iNow = now[i] = {};
			for (var p in iFrom) iNow[p] = this.parent(iFrom[p], iTo[p], delta);
		}
		return now;
	},

	set: function(now){
		for (var i in now){
			var iNow = now[i];
			for (var p in iNow) this.render(this.elements[i], p, iNow[p], this.options.unit);
		}
		return this;
	},

	start: function(obj){
		if (!this.check(obj)) return this;
		var from = {}, to = {};
		for (var i in obj){
			var iProps = obj[i], iFrom = from[i] = {}, iTo = to[i] = {};
			for (var p in iProps){
				var parsed = this.prepare(this.elements[i], p, iProps[p]);
				iFrom[p] = parsed.from;
				iTo[p] = parsed.to;
			}
		}
		return this.parent(from, to);
	}

});

/*
---

script: Fx.Scroll.js

description: Effect to smoothly scroll any element, including the window.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Fx
- core:1.2.4/Element.Event
- core:1.2.4/Element.Dimensions
- /MooTools.More

provides: [Fx.Scroll]

...
*/

Fx.Scroll = new Class({

	Extends: Fx,

	options: {
		offset: {x: 0, y: 0},
		wheelStops: true
	},

	initialize: function(element, options){
		this.element = this.subject = document.id(element);
		this.parent(options);
		var cancel = this.cancel.bind(this, false);

		if ($type(this.element) != 'element') this.element = document.id(this.element.getDocument().body);

		var stopper = this.element;

		if (this.options.wheelStops){
			this.addEvent('start', function(){
				stopper.addEvent('mousewheel', cancel);
			}, true);
			this.addEvent('complete', function(){
				stopper.removeEvent('mousewheel', cancel);
			}, true);
		}
	},

	set: function(){
		var now = Array.flatten(arguments);
		if (Browser.Engine.gecko) now = [Math.round(now[0]), Math.round(now[1])];
		this.element.scrollTo(now[0], now[1]);
	},

	compute: function(from, to, delta){
		return [0, 1].map(function(i){
			return Fx.compute(from[i], to[i], delta);
		});
	},

	start: function(x, y){
		if (!this.check(x, y)) return this;
		var scrollSize = this.element.getScrollSize(),
			scroll = this.element.getScroll(), 
			values = {x: x, y: y};
		for (var z in values){
			var max = scrollSize[z];
			if ($chk(values[z])) values[z] = ($type(values[z]) == 'number') ? values[z] : max;
			else values[z] = scroll[z];
			values[z] += this.options.offset[z];
		}
		return this.parent([scroll.x, scroll.y], [values.x, values.y]);
	},

	toTop: function(){
		return this.start(false, 0);
	},

	toLeft: function(){
		return this.start(0, false);
	},

	toRight: function(){
		return this.start('right', false);
	},

	toBottom: function(){
		return this.start(false, 'bottom');
	},

	toElement: function(el){
		var position = document.id(el).getPosition(this.element);
		return this.start(position.x, position.y);
	},

	scrollIntoView: function(el, axes, offset){
		axes = axes ? $splat(axes) : ['x','y'];
		var to = {};
		el = document.id(el);
		var pos = el.getPosition(this.element);
		var size = el.getSize();
		var scroll = this.element.getScroll();
		var containerSize = this.element.getSize();
		var edge = {
			x: pos.x + size.x,
			y: pos.y + size.y
		};
		['x','y'].each(function(axis) {
			if (axes.contains(axis)) {
				if (edge[axis] > scroll[axis] + containerSize[axis]) to[axis] = edge[axis] - containerSize[axis];
				if (pos[axis] < scroll[axis]) to[axis] = pos[axis];
			}
			if (to[axis] == null) to[axis] = scroll[axis];
			if (offset && offset[axis]) to[axis] = to[axis] + offset[axis];
		}, this);
		if (to.x != scroll.x || to.y != scroll.y) this.start(to.x, to.y);
		return this;
	},

	scrollToCenter: function(el, axes, offset){
		axes = axes ? $splat(axes) : ['x', 'y'];
		el = $(el);
		var to = {},
			pos = el.getPosition(this.element),
			size = el.getSize(),
			scroll = this.element.getScroll(),
			containerSize = this.element.getSize(),
			edge = {
				x: pos.x + size.x,
				y: pos.y + size.y
			};

		['x','y'].each(function(axis){
			if(axes.contains(axis)){
				to[axis] = pos[axis] - (containerSize[axis] - size[axis])/2;
			}
			if(to[axis] == null) to[axis] = scroll[axis];
			if(offset && offset[axis]) to[axis] = to[axis] + offset[axis];
		}, this);
		if (to.x != scroll.x || to.y != scroll.y) this.start(to.x, to.y);
		return this;
	}

});


/*
---

script: Fx.Slide.js

description: Effect to slide an element in and out of view.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Fx Element.Style
- /MooTools.More

provides: [Fx.Slide]

...
*/

Fx.Slide = new Class({

	Extends: Fx,

	options: {
		mode: 'vertical',
		wrapper: false,
		hideOverflow: true
	},

	initialize: function(element, options){
		this.addEvent('complete', function(){
			this.open = (this.wrapper['offset' + this.layout.capitalize()] != 0);
			if (this.open) this.wrapper.setStyle('height', '');
			if (this.open && Browser.Engine.webkit419) this.element.dispose().inject(this.wrapper);
		}, true);
		this.element = this.subject = document.id(element);
		this.parent(options);
		var wrapper = this.element.retrieve('wrapper');
		var styles = this.element.getStyles('margin', 'position', 'overflow');
		if (this.options.hideOverflow) styles = $extend(styles, {overflow: 'hidden'});
		if (this.options.wrapper) wrapper = document.id(this.options.wrapper).setStyles(styles);
		this.wrapper = wrapper || new Element('div', {
			styles: styles
		}).wraps(this.element);
		this.element.store('wrapper', this.wrapper).setStyle('margin', 0);
		this.now = [];
		this.open = true;
	},

	vertical: function(){
		this.margin = 'margin-top';
		this.layout = 'height';
		this.offset = this.element.offsetHeight;
	},

	horizontal: function(){
		this.margin = 'margin-left';
		this.layout = 'width';
		this.offset = this.element.offsetWidth;
	},

	set: function(now){
		this.element.setStyle(this.margin, now[0]);
		this.wrapper.setStyle(this.layout, now[1]);
		return this;
	},

	compute: function(from, to, delta){
		return [0, 1].map(function(i){
			return Fx.compute(from[i], to[i], delta);
		});
	},

	start: function(how, mode){
		if (!this.check(how, mode)) return this;
		this[mode || this.options.mode]();
		var margin = this.element.getStyle(this.margin).toInt();
		var layout = this.wrapper.getStyle(this.layout).toInt();
		var caseIn = [[margin, layout], [0, this.offset]];
		var caseOut = [[margin, layout], [-this.offset, 0]];
		var start;
		switch (how){
			case 'in': start = caseIn; break;
			case 'out': start = caseOut; break;
			case 'toggle': start = (layout == 0) ? caseIn : caseOut;
		}
		return this.parent(start[0], start[1]);
	},

	slideIn: function(mode){
		return this.start('in', mode);
	},

	slideOut: function(mode){
		return this.start('out', mode);
	},

	hide: function(mode){
		this[mode || this.options.mode]();
		this.open = false;
		return this.set([-this.offset, 0]);
	},

	show: function(mode){
		this[mode || this.options.mode]();
		this.open = true;
		return this.set([0, this.offset]);
	},

	toggle: function(mode){
		return this.start('toggle', mode);
	}

});

Element.Properties.slide = {

	set: function(options){
		var slide = this.retrieve('slide');
		if (slide) slide.cancel();
		return this.eliminate('slide').store('slide:options', $extend({link: 'cancel'}, options));
	},

	get: function(options){
		if (options || !this.retrieve('slide')){
			if (options || !this.retrieve('slide:options')) this.set('slide', options);
			this.store('slide', new Fx.Slide(this, this.retrieve('slide:options')));
		}
		return this.retrieve('slide');
	}

};

Element.implement({

	slide: function(how, mode){
		how = how || 'toggle';
		var slide = this.get('slide'), toggle;
		switch (how){
			case 'hide': slide.hide(mode); break;
			case 'show': slide.show(mode); break;
			case 'toggle':
				var flag = this.retrieve('slide:flag', slide.open);
				slide[flag ? 'slideOut' : 'slideIn'](mode);
				this.store('slide:flag', !flag);
				toggle = true;
			break;
			default: slide.start(how, mode);
		}
		if (!toggle) this.eliminate('slide:flag');
		return this;
	}

});


/*
---

script: Assets.js

description: Provides methods to dynamically load JavaScript, CSS, and Image files into the document.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Element.Event
- /MooTools.More

provides: [Assets]

...
*/

var Asset = {

	javascript: function(source, properties){
		properties = $extend({
			onload: $empty,
			document: document,
			check: $lambda(true)
		}, properties);
		
		if (properties.onLoad) properties.onload = properties.onLoad;
		
		var script = new Element('script', {src: source, type: 'text/javascript'});

		var load = properties.onload.bind(script), 
			check = properties.check, 
			doc = properties.document;
		delete properties.onload;
		delete properties.check;
		delete properties.document;

		script.addEvents({
			load: load,
			readystatechange: function(){
				if (['loaded', 'complete'].contains(this.readyState)) load();
			}
		}).set(properties);

		if (Browser.Engine.webkit419) var checker = (function(){
			if (!$try(check)) return;
			$clear(checker);
			load();
		}).periodical(50);

		return script.inject(doc.head);
	},

	css: function(source, properties){
		return new Element('link', $merge({
			rel: 'stylesheet',
			media: 'screen',
			type: 'text/css',
			href: source
		}, properties)).inject(document.head);
	},

	image: function(source, properties){
		properties = $merge({
			onload: $empty,
			onabort: $empty,
			onerror: $empty
		}, properties);
		var image = new Image();
		var element = document.id(image) || new Element('img');
		['load', 'abort', 'error'].each(function(name){
			var type = 'on' + name;
			var cap = name.capitalize();
			if (properties['on' + cap]) properties[type] = properties['on' + cap];
			var event = properties[type];
			delete properties[type];
			image[type] = function(){
				if (!image) return;
				if (!element.parentNode){
					element.width = image.width;
					element.height = image.height;
				}
				image = image.onload = image.onabort = image.onerror = null;
				event.delay(1, element, element);
				element.fireEvent(name, element, 1);
			};
		});
		image.src = element.src = source;
		if (image && image.complete) image.onload.delay(1);
		return element.set(properties);
	},

	images: function(sources, options){
		options = $merge({
			onComplete: $empty,
			onProgress: $empty,
			onError: $empty,
			properties: {}
		}, options);
		sources = $splat(sources);
		var images = [];
		var counter = 0;
		return new Elements(sources.map(function(source){
			return Asset.image(source, $extend(options.properties, {
				onload: function(){
					options.onProgress.call(this, counter, sources.indexOf(source));
					counter++;
					if (counter == sources.length) options.onComplete();
				},
				onerror: function(){
					options.onError.call(this, counter, sources.indexOf(source));
					counter++;
					if (counter == sources.length) options.onComplete();
				}
			}));
		}));
	}

};

/*
---

script: Keyboard.js

description: KeyboardEvents used to intercept events on a class for keyboard and format modifiers in a specific order so as to make alt+shift+c the same as shift+alt+c.

license: MIT-style license

authors:
- Perrin Westrich
- Aaron Newton
- Scott Kyle

requires:
- core:1.2.4/Events
- core:1.2.4/Options
- core:1.2.4/Element.Event
- /Log

provides: [Keyboard]

...
*/

(function(){
	
	var Keyboard = this.Keyboard = new Class({

		Extends: Events,

		Implements: [Options, Log],

		options: {
			/*
			onActivate: $empty,
			onDeactivate: $empty,
			*/
			defaultEventType: 'keydown',
			active: false,
			events: {},
			nonParsedEvents: ['activate', 'deactivate', 'onactivate', 'ondeactivate', 'changed', 'onchanged']
		},

		initialize: function(options){
			this.setOptions(options);
			this.setup();
		}, 
		setup: function(){
			this.addEvents(this.options.events);
			//if this is the root manager, nothing manages it
			if (Keyboard.manager && !this.manager) Keyboard.manager.manage(this);
			if (this.options.active) this.activate();
		},

		handle: function(event, type){
			//Keyboard.stop(event) prevents key propagation
			if (event.preventKeyboardPropagation) return;
			
			var bubbles = !!this.manager;
			if (bubbles && this.activeKB){
				this.activeKB.handle(event, type);
				if (event.preventKeyboardPropagation) return;
			}
			this.fireEvent(type, event);
			
			if (!bubbles && this.activeKB) this.activeKB.handle(event, type);
		},

		addEvent: function(type, fn, internal){
			return this.parent(Keyboard.parse(type, this.options.defaultEventType, this.options.nonParsedEvents), fn, internal);
		},

		removeEvent: function(type, fn){
			return this.parent(Keyboard.parse(type, this.options.defaultEventType, this.options.nonParsedEvents), fn);
		},

		toggleActive: function(){
			return this[this.active ? 'deactivate' : 'activate']();
		},

		activate: function(instance){
			if (instance) {
				//if we're stealing focus, store the last keyboard to have it so the relenquish command works
				if (instance != this.activeKB) this.previous = this.activeKB;
				//if we're enabling a child, assign it so that events are now passed to it
				this.activeKB = instance.fireEvent('activate');
				Keyboard.manager.fireEvent('changed');
			} else if (this.manager) {
				//else we're enabling ourselves, we must ask our parent to do it for us
				this.manager.activate(this);
			}
			return this;
		},

		deactivate: function(instance){
			if (instance) {
				if(instance === this.activeKB) {
					this.activeKB = null;
					instance.fireEvent('deactivate');
					Keyboard.manager.fireEvent('changed');
				}
			}
			else if (this.manager) {
				this.manager.deactivate(this);
			}
			return this;
		},

		relenquish: function(){
			if (this.previous) this.activate(this.previous);
		},

		//management logic
		manage: function(instance){
			if (instance.manager) instance.manager.drop(instance);
			this.instances.push(instance);
			instance.manager = this;
			if (!this.activeKB) this.activate(instance);
			else this._disable(instance);
		},

		_disable: function(instance){
			if (this.activeKB == instance) this.activeKB = null;
		},

		drop: function(instance){
			this._disable(instance);
			this.instances.erase(instance);
		},

		instances: [],

		trace: function(){
			Keyboard.trace(this);
		},

		each: function(fn){
			Keyboard.each(this, fn);
		}

	});
	
	var parsed = {};
	var modifiers = ['shift', 'control', 'alt', 'meta'];
	var regex = /^(?:shift|control|ctrl|alt|meta)$/;
	
	Keyboard.parse = function(type, eventType, ignore){
		if (ignore && ignore.contains(type.toLowerCase())) return type;
		
		type = type.toLowerCase().replace(/^(keyup|keydown):/, function($0, $1){
			eventType = $1;
			return '';
		});

		if (!parsed[type]){
			var key, mods = {};
			type.split('+').each(function(part){
				if (regex.test(part)) mods[part] = true;
				else key = part;
			});

			mods.control = mods.control || mods.ctrl; // allow both control and ctrl
			
			var keys = [];
			modifiers.each(function(mod){
				if (mods[mod]) keys.push(mod);
			});
			
			if (key) keys.push(key);
			parsed[type] = keys.join('+');
		}

		return eventType + ':' + parsed[type];
	};

	Keyboard.each = function(keyboard, fn){
		var current = keyboard || Keyboard.manager;
		while (current){
			fn.run(current);
			current = current.activeKB;
		}
	};

	Keyboard.stop = function(event){
		event.preventKeyboardPropagation = true;
	};

	Keyboard.manager = new Keyboard({
		active: true
	});
	
	Keyboard.trace = function(keyboard){
		keyboard = keyboard || Keyboard.manager;
		keyboard.enableLog();
		keyboard.log('the following items have focus: ');
		Keyboard.each(keyboard, function(current){
			keyboard.log(document.id(current.widget) || current.wiget || current);
		});
	};
	
	var handler = function(event){
		var keys = [];
		modifiers.each(function(mod){
			if (event[mod]) keys.push(mod);
		});
		
		if (!regex.test(event.key)) keys.push(event.key);
		Keyboard.manager.handle(event, event.type + ':' + keys.join('+'));
	};
	
	document.addEvents({
		'keyup': handler,
		'keydown': handler
	});

	Event.Keys.extend({
		'shift': 16,
		'control': 17,
		'alt': 18,
		'capslock': 20,
		'pageup': 33,
		'pagedown': 34,
		'end': 35,
		'home': 36,
		'numlock': 144,
		'scrolllock': 145,
		';': 186,
		'=': 187,
		',': 188,
		'-': Browser.Engine.Gecko ? 109 : 189,
		'.': 190,
		'/': 191,
		'`': 192,
		'[': 219,
		'\\': 220,
		']': 221,
		"'": 222
	});

})();


/*
---

script: Keyboard.js

description: Enhances Keyboard by adding the ability to name and describe keyboard shortcuts, and the ability to grab shortcuts by name and bind the shortcut to different keys.

license: MIT-style license

authors:
- Perrin Westrich

requires:
- core:1.2.4/Function
- /Keyboard.Extras

provides: [Keyboard.Extras]

...
*/
Keyboard.prototype.options.nonParsedEvents.combine(['rebound', 'onrebound']);

Keyboard.implement({

	/*
		shortcut should be in the format of:
		{
			'keys': 'shift+s', // the default to add as an event.
			'description': 'blah blah blah', // a brief description of the functionality.
			'handler': function(){} // the event handler to run when keys are pressed.
		}
	*/
	addShortcut: function(name, shortcut) {
		this.shortcuts = this.shortcuts || [];
		this.shortcutIndex = this.shortcutIndex || {};
		
		shortcut.getKeyboard = $lambda(this);
		shortcut.name = name;
		this.shortcutIndex[name] = shortcut;
		this.shortcuts.push(shortcut);
		if(shortcut.keys) this.addEvent(shortcut.keys, shortcut.handler);
		return this;
	},

	addShortcuts: function(obj){
		for(var name in obj) this.addShortcut(name, obj[name]);
		return this;
	},

	getShortcuts: function(){
		return this.shortcuts || [];
	},

	getShortcut: function(name){
		return (this.shortcutIndex || {})[name];
	}

});

Keyboard.rebind = function(newKeys, shortcuts){
	$splat(shortcuts).each(function(shortcut){
		shortcut.getKeyboard().removeEvent(shortcut.keys, shortcut.handler);
		shortcut.getKeyboard().addEvent(newKeys, shortcut.handler);
		shortcut.keys = newKeys;
		shortcut.getKeyboard().fireEvent('rebound');
	});
};


Keyboard.getActiveShortcuts = function(keyboard) {
	var activeKBS = [], activeSCS = [];
	Keyboard.each(keyboard, [].push.bind(activeKBS));
	activeKBS.each(function(kb){ activeSCS.extend(kb.getShortcuts()); });
	return activeSCS;
};

Keyboard.getShortcut = function(name, keyboard, opts){
	opts = opts || {};
	var shortcuts = opts.many ? [] : null,
		set = opts.many ? function(kb){
				var shortcut = kb.getShortcut(name);
				if(shortcut) shortcuts.push(shortcut);
			} : function(kb) { 
				if(!shortcuts) shortcuts = kb.getShortcut(name);
			};
	Keyboard.each(keyboard, set);
	return shortcuts;
};

Keyboard.getShortcuts = function(name, keyboard) {
	return Keyboard.getShortcut(name, keyboard, { many: true });
};