/*MooTools, My Object Oriented Javascript Tools. Copyright (c) 2006-2007 Valerio Proietti, <http://mad4milk.net>, MIT Style License.||Clientcide Copyright (c) 2006-2008, http://www.clientcide.com/wiki/cnet-libraries#license*/

var Clientcide = {
	version: '777',
	setAssetLocation: function(baseHref) {
		if (window.StickyWin && StickyWin.ui) {
			StickyWin.UI.refactor({
				options: {
					baseHref: baseHref + '/stickyWinHTML/'
				}
			});
			if (StickyWin.alert) {
				var CGFsimpleErrorPopup = StickyWin.alert.bind(window);
				StickyWin.alert = function(msghdr, msg, base) {
				    return CGFsimpleErrorPopup(msghdr, msg, base||baseHref + "/simple.error.popup");
				};
			}
		}
		if (window.TagMaker) {
			TagMaker = TagMaker.refactor({
			    options: {
			        baseHref: baseHref + '/tips/'
			    }
			});
		}
		if (window.ProductPicker) {
			ProductPicker.refactor({
			    options:{
			        baseHref: baseHref + '/Picker'
			    }
			});
		}

		if (window.Autocompleter) {
			var AcClientcide = {
					options: {
						baseHref: baseHref + '/autocompleter/'
					}
			};
			Autocompleter.Base.refactor(AcClientcide);
			if (Autocompleter.Ajax) {
				["Base", "Xhtml", "Json"].each(function(c){
					if(Autocompleter.Ajax[c]) Autocompleter.Ajax[c].refactor(AcClientcide);
				});
			}
			if (Autocompleter.Local) Autocompleter.Local.refactor(AcClientcide);
			if (Autocompleter.JsonP) Autocompleter.JsonP.refactor(AcClientcide);
		}

		if (window.Lightbox) {
			Lightbox.refactor({
			    options: {
			        assetBaseUrl: baseHref + '/slimbox/'
			    }
			});
		}

		if (window.Waiter) {
			Waiter.refactor({
				options: {
					baseHref: baseHref + '/waiter/'
				}
			});
		}
	},
	preLoadCss: function(){
		if (window.DatePicker) new DatePicker();
		if (window.ProductPicker) new ProductPicker();
		if (window.TagMaker) new TagMaker();
		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;
(function(){
	var binder = function(self, binds){
		var oldInit = self.initialize;
		self.initialize = function() {
			Array.flatten(binds).each(function(binder) {
				var original = this[binder];
				this[binder] = function(){
					return original.apply(this, arguments);
				}.bind(this);
				this[binder].parent = original.parent;
			}, this);
			return oldInit.apply(this,arguments);
		};
		return self;
	};
	Class.Mutators.Binds = function(self, binds) {
		if (!self.Binds) return self;
		delete self.Binds;
		return binder(self, binds);
	};
	Class.Mutators.binds = function(self, binds) {
		if (!self.binds) return self;
		delete self['binds'];
		return binder(self, binds);
	};
})();
var Modalizer = new Class({
	defaultModalStyle: {
		display:'block',
		position:'fixed',
		top:0,
		left:0,
		'z-index':5000,
		'background-color':'#333',
		opacity:0.8
	},
	setModalOptions: function(options){
		this.modalOptions = $merge({
			width:(window.getScrollSize().x+300),
			height:(window.getScrollSize().y+300),
			elementsToHide: 'select',
			hideOnClick: true,
			modalStyle: {},
			updateOnResize: true,
			layerId: 'modalOverlay',
			onModalHide: $empty,
			onModalShow: $empty
		}, this.modalOptions, options);
		return this;
	},
	layer: function(){
		if (!this.modalOptions.layerId) this.setModalOptions();
		return $(this.modalOptions.layerId) || new Element('div', {id: this.modalOptions.layerId}).inject(document.body);
	},
	resize: function(){
		if(this.layer()) {
			this.layer().setStyles({
				width:(window.getScrollSize().x+300),
				height:(window.getScrollSize().y+300)
			});
		}
	},
	setModalStyle: function (styleObject){
		this.modalOptions.modalStyle = styleObject;
		this.modalStyle = $merge(this.defaultModalStyle, {
			width:this.modalOptions.width,
			height:this.modalOptions.height
		}, styleObject);
		if(this.layer()) this.layer().setStyles(this.modalStyle);
		return(this.modalStyle);
	},
	modalShow: function(options){
		this.setModalOptions(options);
		this.layer().setStyles(this.setModalStyle(this.modalOptions.modalStyle));
		if(Browser.Engine.trident4) this.layer().setStyle('position','absolute');
		this.layer().removeEvents('click').addEvent('click', function(){
			this.modalHide(this.modalOptions.hideOnClick);
		}.bind(this));
		this.bound = this.bound||{};
		if(!this.bound.resize && this.modalOptions.updateOnResize) {
			this.bound.resize = this.resize.bind(this);
			window.addEvent('resize', this.bound.resize);
		}
		if ($type(this.modalOptions.onModalShow)  == "function") this.modalOptions.onModalShow();
		this.togglePopThroughElements(0);
		this.layer().setStyle('display','block');
		return this;
	},
	modalHide: function(override, force){
		if(override === false) return false;
		this.togglePopThroughElements(1);
		if ($type(this.modalOptions.onModalHide) == "function") this.modalOptions.onModalHide();
		this.layer().setStyle('display','none');
		if(this.modalOptions.updateOnResize) {
			this.bound = this.bound||{};
			if(!this.bound.resize) this.bound.resize = this.resize.bind(this);
			window.removeEvent('resize', this.bound.resize);
		}
		return this;
	},
	togglePopThroughElements: function(opacity){
		if(Browser.Engine.trident4 || (Browser.Engine.gecko && Browser.Platform.mac)) {
			$$(this.modalOptions.elementsToHide).each(function(sel){
				sel.setStyle('opacity', opacity);
			});
		}
	}
});
var Lightbox = new Class({
	Implements: [Options, Events, Modalizer],
	binds: ['click', 'keyboardListener', 'addHtmlElements'],
	options: {
		resizeDuration: 400,
		initialWidth: 250,
		initialHeight: 250,
		zIndex: 5000,
		animateCaption: true,
		showCounter: true,
		autoScanLinks: true,
		relString: 'lightbox',
		useDefaultCss: true,
		assetBaseUrl: 'http://www.cnet.com/html/rb/assets/global/slimbox/',
		overlayStyles: {
			opacity: 0.8
		}
	},

	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;
		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.setModalOptions({
			elementsToHide: ''
		});
		this.overlay = this.layer().addClass('lbOverlay');
		this.setModalStyle(this.options.overlayStyles);
		this.popup = new Element('div', {
			'class':'lbPopup'
		}).inject(this.container);
		this.overlay.inject(this.popup).setStyles(this.options.overlayStyles);
		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.overlay.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 = {
			overlay: new Fx.Tween(this.overlay, {property: 'opacity', duration: 500}).set(0),
			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($('LightboxCss')) return;
			new Element('link', {
				rel: 'stylesheet', 
				media: 'screen', 
				type: 'text/css', 
				href: this.options.assetBaseUrl + 'slimbox.css',
				id: 'LightboxCss'
			}).inject(document.head);
		}.bind(this));
	},

	click: function(el){
		link = $(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.fx.overlay.start(this.options.overlayStyles.opacity);
		return this.changeImage(imageNum);
	},

	setup: function(open){
		var elements = $$('object, iframe');
		elements.extend($$(Browser.Engine.trident ? 'select' : 'embed'));
		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('+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) $(this.preloadPrev).set('src', this.images[this.activeImage-1][0]);
			if (this.activeImage != (this.images.length - 1)) 
				$(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.fx.overlay.chain(this.setup.pass(false, this)).start(0);
		return;
	}
});
window.addEvent('domready', function(){if($(document.body).get('html').match(/rel=?.lightbox/i)) new Lightbox()});