var Videobox = {



	init: function (options) {

		// init default options

		this.options = Object.extend({

			resizeDuration: 400,	// Duration of height and width resizing (ms)

			initialWidth: 250,		// Initial width of the box (px)

			initialHeight: 250,		// Initial height of the box (px)

			defaultWidth: 425,		// Default width of the box (px)

			defaultHeight: 350,	// Default height of the box (px)

			animateCaption: true	// Enable/Disable caption animation

		}, options || {});



		this.anchors = [];

		$A($$('a')).each(function(el){

			if(el.rel && el.href && el.rel.test('^vidbox', 'i')) {

				el.onclick = this.click.pass(el, this);

				this.anchors.push(el);

				el.href = '#' + el.href;

			}

        		}, this);



		this.overlay = new Element('div').setProperty('id', 'lbOverlay').injectInside(document.body);

		this.center = new Element('div').setProperty('id', 'lbCenter').setStyles({width: this.options.initialWidth+'px', height: this.options.initialHeight+'px', marginLeft: '-'+(this.options.initialWidth/2)+'px', display: 'none'}).injectInside(document.body);



		this.bottomContainer = new Element('div').setProperty('id', 'lbBottomContainer').setStyle('display', 'none').injectInside(document.body);

		this.bottom = new Element('div').setProperty('id', 'lbBottom').injectInside(this.bottomContainer);

		new Element('a').setProperties({id: 'lbCloseLink', href: '#'}).injectInside(this.bottom).onclick = this.overlay.onclick = this.close.bind(this);

		this.caption = new Element('div').setProperty('id', 'lbCaption').injectInside(this.bottom);

		this.number = new Element('div').setProperty('id', 'lbNumber').injectInside(this.bottom);

		new Element('div').setStyle('clear', 'both').injectInside(this.bottom);



		var nextEffect = this.nextEffect.bind(this);

		this.fx = {

			overlay: this.overlay.effect('opacity', {duration: 500}).hide(),

			center: this.center.effects({duration: 500, transition: Fx.Transitions.sineInOut, onComplete: nextEffect}),

			bottom: this.bottom.effect('margin-top', {duration: 400})

		};



	},



	click: function(link) {

     		return this.open (link.href, link.title, link.rel);



	},

	open: function(sLinkHref, sLinkTitle, sLinkRel) {

		this.href = sLinkHref;

		this.title = sLinkTitle;

		this.rel = sLinkRel;

		this.position();

		this.setup();

		this.video(this.href);

		this.top = Window.getScrollTop() + (Window.getHeight() / 15);

		this.center.setStyles({top: this.top+'px', display: ''});

		this.fx.overlay.start(0.8);

		this.step = 1;

		this.center.setStyle('background','#fff url(loading.gif) no-repeat center');

		this.caption.innerHTML = this.title;

		this.fx.center.start({'height': [this.options.contentsHeight]});

	},



	setup: function(){

		var aDim = this.rel.match(/[0-9]+/g);

		this.options.contentsWidth = (aDim && (aDim[0] > 0)) ? aDim[0] : this.options.defaultWidth;

		this.options.contentsHeight = (aDim && (aDim[1] > 0)) ? aDim[1] : this.options.defaultHeight;



	},



	position: function(){

		this.overlay.setStyles({top: window.getScrollTop()+'px', height: window.getScrollHeight()+'px'});

	},



	video: function(sLinkHref){

		if (sLinkHref.match(/youtube\.com\/watch/i)) {

			var hRef = sLinkHref.split('#');

			var videoId = hRef[1].split('=');

			this.videoID = videoId[1];

			this.so = new SWFObject("http://www.youtube.com/v/"+this.videoID, "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0");

			this.so.addParam("wmode", "transparent");

		}

		else if (sLinkHref.match(/metacafe\.com\/watch/i)) {

			var hRef = sLinkHref.split('#');

			var videoId = hRef[1].split('/');

			this.videoID = videoId[4];

			this.so = new SWFObject("http://www.metacafe.com/fplayer/"+this.videoID+"/.swf", "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0");

			this.so.addParam("wmode", "transparent");

		}

		else if (sLinkHref.match(/google\.com\/videoplay/i)) {

			var hRef = sLinkHref.split('#');

			var videoId = hRef[1].split('=');

			this.videoID = videoId[1];

			this.so = new SWFObject("http://video.google.com/googleplayer.swf?docId="+this.videoID+"&hl=en", "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0");

			this.so.addParam("wmode", "transparent");

		}

		else if (sLinkHref.match(/ifilm\.com\/video/i)) {

			var hRef = sLinkHref.split('#');

			var videoId = hRef[1].split('video/');

			this.videoID = videoId[1];

			this.so = new SWFObject("http://www.ifilm.com/efp", "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0", "#000");

			this.so.addVariable("flvbaseclip", this.videoID+"&");

			this.so.addParam("wmode", "transparent");

		}

		else {

			var videoId = sLinkHref.split('#');

			this.videoID = videoId[1];

			this.so = new SWFObject(this.videoID, "flvvideo", this.options.contentsWidth, this.options.contentsHeight, "0");

		}

	},



	nextEffect: function(){

		switch (this.step++){

		case 1:

			this.fx.center.start({'width': [this.options.contentsWidth], 'marginLeft': [this.options.contentsWidth/-2]});

			break;

			this.step++;

		case 2:

			this.center.setStyle('background','#fff');

			this.so.write(this.center);

			this.bottomContainer.setStyles({top: (this.top + this.center.clientHeight)+'px', height: '0px', marginLeft: this.center.style.marginLeft, width: this.options.contentsWidth+'px',display: ''});

			if (this.options.animateCaption){

				this.fx.bottom.set(-this.bottom.offsetHeight);

				this.bottomContainer.style.height = '';

				this.fx.bottom.start(0);

				break;

			}

			this.bottomContainer.style.height = '';

			this.step++;

		}

	},



	close: function(){

		this.fx.overlay.start(0);

		this.center.style.display = this.bottomContainer.style.display = 'none';

		this.center.innerHTML = '';

		return false;

	}



};





window.addEvent('domready', Videobox.init.bind(Videobox));