/* Clientcide Copyright (c) 2006-2009, http://www.clientcide.com/wiki/cnet-libraries#license*/
//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.

//Contents: Clientcide, More, Class.Binds, Element.Measure, Element.Position, Class.Occlude, IframeShim, Mask, Lightbox

//This lib: http://www.clientcide.com/js/build.php?excludeLibs[]=mootools-core&require[]=Lightbox&compression=none

/*
Script: Clientcide.js
	The Clientcide namespace.

License:
	http://www.clientcide.com/wiki/cnet-libraries#license
*/
var Clientcide = {
	version: '%build%',
	assetLocation: "http://github.com/anutron/clientcide/raw/master/Assets",
	setAssetLocation: function(baseHref) {
		Clientcide.assetLocation = baseHref;
		if (Clientcide.preloaded) Clientcide.preLoadCss();
	},
	preLoadCss: function(){
		if (window.StickyWin && StickyWin.ui) StickyWin.ui();
		if (window.StickyWin && StickyWin.pointy) StickyWin.pointy();
		Clientcide.preloaded = true;
		return true;
	},
	preloaded: false
};
(function(){
	if (!window.addEvent) return;
	var preload = function(){
		if (window.dbug) dbug.log('preloading clientcide css');
		if (!Clientcide.preloaded) Clientcide.preLoadCss();
	};
	window.addEvent('domready', preload);
	window.addEvent('load', preload);
})();
setCNETAssetBaseHref = Clientcide.setAssetLocation;/*
---

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': '1.2.4.4',
	'build': '6f6057dc645fdb7547689183b2311063bd653ddf'
};/*
---

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: 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.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: Class.Occlude.js

description: Prevents a class from being applied to a DOM element twice.

license: MIT-style license.

authors:
- Aaron Newton

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

provides: [Class.Occlude]

...
*/

Class.Occlude = new Class({

	occlude: function(property, element){
		element = document.id(element || this.element);
		var instance = element.retrieve(property || this.property);
		if (instance && !$defined(this.occluded))
			return this.occluded = instance;

		this.occluded = false;
		element.store(property || this.property, this);
		return this.occluded;
	}

});/*
---

script: IframeShim.js

description: Defines IframeShim, a class for obscuring select lists and flash objects in IE.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element.Event
- core:1.2.4/Element.Style
- core:1.2.4/Options Events
- /Element.Position
- /Class.Occlude

provides: [IframeShim]

...
*/

var IframeShim = new Class({

	Implements: [Options, Events, Class.Occlude],

	options: {
		className: 'iframeShim',
		src: 'javascript:false;document.write("");',
		display: false,
		zIndex: null,
		margin: 0,
		offset: {x: 0, y: 0},
		browsers: (Browser.Engine.trident4 || (Browser.Engine.gecko && !Browser.Engine.gecko19 && Browser.Platform.mac))
	},

	property: 'IframeShim',

	initialize: function(element, options){
		this.element = document.id(element);
		if (this.occlude()) return this.occluded;
		this.setOptions(options);
		this.makeShim();
		return this;
	},

	makeShim: function(){
		if(this.options.browsers){
			var zIndex = this.element.getStyle('zIndex').toInt();

			if (!zIndex){
				zIndex = 1;
				var pos = this.element.getStyle('position');
				if (pos == 'static' || !pos) this.element.setStyle('position', 'relative');
				this.element.setStyle('zIndex', zIndex);
			}
			zIndex = ($chk(this.options.zIndex) && zIndex > this.options.zIndex) ? this.options.zIndex : zIndex - 1;
			if (zIndex < 0) zIndex = 1;
			this.shim = new Element('iframe', {
				src: this.options.src,
				scrolling: 'no',
				frameborder: 0,
				styles: {
					zIndex: zIndex,
					position: 'absolute',
					border: 'none',
					filter: 'progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)'
				},
				'class': this.options.className
			}).store('IframeShim', this);
			var inject = (function(){
				this.shim.inject(this.element, 'after');
				this[this.options.display ? 'show' : 'hide']();
				this.fireEvent('inject');
			}).bind(this);
			if (!IframeShim.ready) window.addEvent('load', inject);
			else inject();
		} else {
			this.position = this.hide = this.show = this.dispose = $lambda(this);
		}
	},

	position: function(){
		if (!IframeShim.ready || !this.shim) return this;
		var size = this.element.measure(function(){ 
			return this.getSize(); 
		});
		if (this.options.margin != undefined){
			size.x = size.x - (this.options.margin * 2);
			size.y = size.y - (this.options.margin * 2);
			this.options.offset.x += this.options.margin;
			this.options.offset.y += this.options.margin;
		}
		this.shim.set({width: size.x, height: size.y}).position({
			relativeTo: this.element,
			offset: this.options.offset
		});
		return this;
	},

	hide: function(){
		if (this.shim) this.shim.setStyle('display', 'none');
		return this;
	},

	show: function(){
		if (this.shim) this.shim.setStyle('display', 'block');
		return this.position();
	},

	dispose: function(){
		if (this.shim) this.shim.dispose();
		return this;
	},

	destroy: function(){
		if (this.shim) this.shim.destroy();
		return this;
	}

});

window.addEvent('load', function(){
	IframeShim.ready = true;
});/*
---

script: Mask.js

description: Creates a mask element to cover another.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Options
- core:1.2.4/Events
- core:1.2.4/Element.Event
- /Class.Binds
- /Element.Position
- /IframeShim

provides: [Mask]

...
*/

var Mask = new Class({

	Implements: [Options, Events],

	Binds: ['position'],

	options: {
		// onShow: $empty,
		// onHide: $empty,
		// onDestroy: $empty,
		// onClick: $empty,
		//inject: {
		//  where: 'after',
		//  target: null,
		//},
		// hideOnClick: false,
		// id: null,
		// destroyOnHide: false,
		style: {},
		'class': 'mask',
		maskMargins: false,
		useIframeShim: true,
		iframeShimOptions: {}
	},

	initialize: function(target, options){
		this.target = document.id(target) || document.id(document.body);
		this.target.store('Mask', this);
		this.setOptions(options);
		this.render();
		this.inject();
	},
	
	render: function() {
		this.element = new Element('div', {
			'class': this.options['class'],
			id: this.options.id || 'mask-' + $time(),
			styles: $merge(this.options.style, {
				display: 'none'
			}),
			events: {
				click: function(){
					this.fireEvent('click');
					if (this.options.hideOnClick) this.hide();
				}.bind(this)
			}
		});
		this.hidden = true;
	},

	toElement: function(){
		return this.element;
	},

	inject: function(target, where){
		where = where || this.options.inject ? this.options.inject.where : '' || this.target == document.body ? 'inside' : 'after';
		target = target || this.options.inject ? this.options.inject.target : '' || this.target;
		this.element.inject(target, where);
		if (this.options.useIframeShim) {
			this.shim = new IframeShim(this.element, this.options.iframeShimOptions);
			this.addEvents({
				show: this.shim.show.bind(this.shim),
				hide: this.shim.hide.bind(this.shim),
				destroy: this.shim.destroy.bind(this.shim)
			});
		}
	},

	position: function(){
		this.resize(this.options.width, this.options.height);
		this.element.position({
			relativeTo: this.target,
			position: 'topLeft',
			ignoreMargins: !this.options.maskMargins,
			ignoreScroll: this.target == document.body
		});
		return this;
	},

	resize: function(x, y){
		var opt = {
			styles: ['padding', 'border']
		};
		if (this.options.maskMargins) opt.styles.push('margin');
		var dim = this.target.getComputedSize(opt);
		if (this.target == document.body) {
			var win = window.getSize();
			if (dim.totalHeight < win.y) dim.totalHeight = win.y;
			if (dim.totalWidth < win.x) dim.totalWidth = win.x;
		}
		this.element.setStyles({
			width: $pick(x, dim.totalWidth, dim.x),
			height: $pick(y, dim.totalHeight, dim.y)
		});
		return this;
	},

	show: function(){
		if (!this.hidden) return this;
		window.addEvent('resize', this.position);
		this.position();
		this.showMask.apply(this, arguments);
		return this;
	},

	showMask: function(){
		this.element.setStyle('display', 'block');
		this.hidden = false;
		this.fireEvent('show');
	},

	hide: function(){
		if (this.hidden) return this;
		window.removeEvent('resize', this.position);
		this.hideMask.apply(this, arguments);
		if (this.options.destroyOnHide) return this.destroy();
		return this;
	},

	hideMask: function(){
		this.element.setStyle('display', 'none');
		this.hidden = true;
		this.fireEvent('hide');
	},

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

	destroy: function(){
		this.hide();
		this.element.destroy();
		this.fireEvent('destroy');
		this.target.eliminate('mask');
	}

});

Element.Properties.mask = {

	set: function(options){
		var mask = this.retrieve('mask');
		return this.eliminate('mask').store('mask:options', options);
	},

	get: function(options){
		if (options || !this.retrieve('mask')){
			if (this.retrieve('mask')) this.retrieve('mask').destroy();
			if (options || !this.retrieve('mask:options')) this.set('mask', options);
			this.store('mask', new Mask(this, this.retrieve('mask:options')));
		}
		return this.retrieve('mask');
	}

};

Element.implement({

	mask: function(options){
		this.get('mask', options).show();
		return this;
	},

	unmask: function(){
		this.get('mask').hide();
		return this;
	}

});/*
Script: Lightbox.js
	A lightbox clone for MooTools.

* Christophe Beyls (http://www.digitalia.be); MIT-style license.
* Inspired by the original Lightbox v2 by Lokesh Dhakar: http://www.huddletogether.com/projects/lightbox2/.
* Refactored by Aaron Newton 

*/
var Lightbox = new Class({
	Implements: [Options, Events],
	Binds: ['click', 'keyboardListener', 'addHtmlElements'],
	options: {
//		anchors: null,
		resizeDuration: 400,
//		resizeTransition: false,	// default transition
		initialWidth: 250,
		initialHeight: 250,
		zIndex: 5000,
		animateCaption: true,
		showCounter: true,
		autoScanLinks: true,
		relString: 'lightbox',
		useDefaultCss: true,
		overlayStyles: {
			'background-color':'#333',
			opacity:0.8
		}
//		onImageShow: $empty,
//		onDisplay: $empty,
//		onHide: $empty
	},

	initialize: function(){
		var args = Array.link(arguments, {options: Object.type, links: Array.type});
		this.setOptions(args.options);
		var anchors = args.links || this.options.anchors;
		if (this.options.autoScanLinks && !anchors) anchors = $$('a[rel^='+this.options.relString+']');
		if (!$$(anchors).length) return; //no links!
		this.addAnchors(anchors);
		if (this.options.useDefaultCss) this.addCss();
		window.addEvent('domready', this.addHtmlElements.bind(this));
	},
		
	anchors: [],
	
	addAnchors: function(anchors){
		$$(anchors).each(function(el){
			if (!el.retrieve('lightbox')) {
				el.store('lightbox', this);
				this.attach(el);
			}
		}.bind(this));
	},
	
	attach: function(el) {		
		el.addEvent('click', this.click.pass(el, this));
		this.anchors.include(el);
	},

	addHtmlElements: function(){
		this.container = new Element('div', {
			'class':'lbContainer'
		}).inject(document.body);
		this.mask = new Mask(document.body, {
			onHide: this.close.bind(this),
			style: this.options.overlayStyles,
			hideOnClick: true
		});
		this.popup = new Element('div', {
			'class':'lbPopup'
		}).inject(this.container);
		this.center = new Element('div', {
			styles: {	
				width: this.options.initialWidth, 
				height: this.options.initialHeight, 
				marginLeft: (-(this.options.initialWidth/2)),
				display: 'none',
				zIndex:this.options.zIndex+1
			}
		}).inject(this.popup).addClass('lbCenter');
		this.image = new Element('div', {
			'class': 'lbImage'
		}).inject(this.center);
		
		this.prevLink = new Element('a', {
			'class': 'lbPrevLink', 
			href: 'javascript:void(0);', 
			styles: {'display': 'none'}
		}).inject(this.image);
		this.nextLink = this.prevLink.clone().removeClass('lbPrevLink').addClass('lbNextLink').inject(this.image);
		this.prevLink.addEvent('click', this.previous.bind(this));
		this.nextLink.addEvent('click', this.next.bind(this));

		this.bottomContainer = new Element('div', {
			'class': 'lbBottomContainer', 
			styles: {
				display: 'none', 
				zIndex:this.options.zIndex+1
		}}).inject(this.popup);
		this.bottom = new Element('div', {'class': 'lbBottom'}).inject(this.bottomContainer);
		new Element('a', {
			'class': 'lbCloseLink', 
			href: 'javascript:void(0);'
		}).inject(this.bottom).addEvent('click', this.close.bind(this));
		this.caption = new Element('div', {'class': 'lbCaption'}).inject(this.bottom);
		this.number = new Element('div', {'class': 'lbNumber'}).inject(this.bottom);
		new Element('div', {'styles': {'clear': 'both'}}).inject(this.bottom);
		var nextEffect = this.nextEffect.bind(this);
		this.fx = {
			resize: new Fx.Morph(this.center, $extend({
				duration: this.options.resizeDuration, 
				onComplete: nextEffect}, 
				this.options.resizeTransition ? {transition: this.options.resizeTransition} : {})),
			image: new Fx.Tween(this.image, {property: 'opacity', duration: 500, onComplete: nextEffect}),
			bottom: new Fx.Tween(this.bottom, {property: 'margin-top', duration: 400, onComplete: nextEffect})
		};

		this.preloadPrev = new Element('img');
		this.preloadNext = new Element('img');
	},
	
	addCss: function(){
		window.addEvent('domready', function(){
			if (document.id('LightboxCss')) return;
			new Element('link', {
				rel: 'stylesheet', 
				media: 'screen', 
				type: 'text/css', 
				href: (this.options.assetBaseUrl || Clientcide.assetLocation + '/slimbox') + '/slimbox.css',
				id: 'LightboxCss'
			}).inject(document.head);
		}.bind(this));
	},

	click: function(el){
		link = document.id(el);
		var rel = link.get('rel')||this.options.relString;
		if (rel == this.options.relString) return this.show(link.get('href'), link.get('title'));

		var j, imageNum, images = [];
		this.anchors.each(function(el){
			if (el.get('rel') == link.get('rel')){
				for (j = 0; j < images.length; j++) {
					if (images[j][0] == el.get('href')) break;
				}
				if (j == images.length){
					images.push([el.get('href'), el.get('title')]);
					if (el.get('href') == link.get('href')) imageNum = j;
				}
			}
		}, this);
		return this.open(images, imageNum);
	},

	show: function(url, title){
		return this.open([[url, title]], 0);
	},

	open: function(images, imageNum){
		this.fireEvent('onDisplay');
		this.images = images;
		this.setup(true);
		this.top = (window.getScroll().y + (window.getSize().y / 15)).toInt();
		this.center.setStyles({
			top: this.top,
			display: ''
		});
		this.mask.show();
		return this.changeImage(imageNum);
	},

	setup: function(open){
		var elements = $$('iframe');
		elements.extend($$(Browser.Engine.trident ? 'select' : 'embed, object'));
		elements.reverse().each(function(el){
			if (open) el.store('lbBackupStyle', el.getStyle('visibility') || 'visible');
			var vis = (open ? 'hidden' : el.retrieve('lbBackupStyle') || 'visible');
			el.setStyle('visibility', vis);
		});
		var fn = open ? 'addEvent' : 'removeEvent';
		document[fn]('keydown', this.keyboardListener);
		this.step = 0;
	},

	keyboardListener: function(event){
		switch (event.code){
			case 27: case 88: case 67: this.close(); break;
			case 37: case 80: this.previous(); break;	
			case 39: case 78: this.next();
		}
	},

	previous: function(){
		return this.changeImage(this.activeImage-1);
	},

	next: function(){
		return this.changeImage(this.activeImage+1);
	},

	changeImage: function(imageNum){
		this.fireEvent('onImageShow', [imageNum, this.images[imageNum]]);
		if (this.step || (imageNum < 0) || (imageNum >= this.images.length)) return false;
		this.step = 1;
		this.activeImage = imageNum;

		this.center.setStyle('backgroundColor', '');
		this.bottomContainer.setStyle('display', 'none');
		this.prevLink.setStyle('display', 'none');
		this.nextLink.setStyle('display', 'none');
		this.fx.image.set(0);
		this.center.addClass('lbLoading');
		this.preload = new Element('img', {
			events: {
				load: function(){
					this.nextEffect.delay(100, this);
				}.bind(this)
			}
		});
		this.preload.set('src', this.images[imageNum][0]);
		return false;
	},

	nextEffect: function(){
		switch (this.step++){
		case 1:
			this.image.setStyle('backgroundImage', 'url('+escape(this.images[this.activeImage][0])+')');
			this.image.setStyle('width', this.preload.width);
			this.bottom.setStyle('width',this.preload.width);
			this.image.setStyle('height', this.preload.height);
			this.prevLink.setStyle('height', this.preload.height);
			this.nextLink.setStyle('height', this.preload.height);

			this.caption.set('html',this.images[this.activeImage][1] || '');
			this.number.set('html',(!this.options.showCounter || (this.images.length == 1)) ? '' : 'Image '+(this.activeImage+1)+' of '+this.images.length);

			if (this.activeImage) document.id(this.preloadPrev).set('src', this.images[this.activeImage-1][0]);
			if (this.activeImage != (this.images.length - 1)) 
				document.id(this.preloadNext).set('src',  this.images[this.activeImage+1][0]);
			if (this.center.clientHeight != this.image.offsetHeight){
				this.fx.resize.start({height: this.image.offsetHeight});
				break;
			}
			this.step++;
		case 2:
			if (this.center.clientWidth != this.image.offsetWidth){
				this.fx.resize.start({width: this.image.offsetWidth, marginLeft: -this.image.offsetWidth/2});
				break;
			}
			this.step++;
		case 3:
			this.bottomContainer.setStyles({
				top: (this.top + this.center.getSize().y), 
				height: 0, 
				marginLeft: this.center.getStyle('margin-left'), 
				display: ''
			});
			this.fx.image.start(1);
			break;
		case 4:
			this.center.style.backgroundColor = '#000';
			if (this.options.animateCaption){
				this.fx.bottom.set(-this.bottom.offsetHeight);
				this.bottomContainer.setStyle('height', '');
				this.fx.bottom.start(0);
				break;
			}
			this.bottomContainer.style.height = '';
		case 5:
			if (this.activeImage) this.prevLink.setStyle('display', '');
			if (this.activeImage != (this.images.length - 1)) this.nextLink.setStyle('display', '');
			this.step = 0;
		}
	},

	close: function(){
		this.fireEvent('onHide');
		if (this.step < 0) return;
		this.step = -1;
		if (this.preload) this.preload.destroy();
		for (var f in this.fx) this.fx[f].cancel();
		this.center.setStyle('display', 'none');
		this.bottomContainer.setStyle('display', 'none');
		this.mask.hide();
		this.setup(false);
		return;
	}
});

