var timedSlideShow = Class.create();
timedSlideShow.prototype = {
	initialize: function(element, data) {
		this.currentIter = 0;
		this.lastIter = 0;
		this.maxIter = 0;
		this.slideShowElement = element;
		this.slideShowData = data;
		this.slideShowInit = 1;
		this.slideElements = Array();
		this.slideShowDelay = 6000;
		element.style.display="block";
		this.articleLink = document.createElement('a');
		this.articleLink.className = 'global';
		element.appendChild(this.articleLink);
		this.maxIter = data.length;
		for(i=0;i<data.length;i++)
		{
			var currentImg = document.createElement('div');
			currentImg.className = "slideElement";
			currentImg.style.position="absolute";
			currentImg.style.left="0px";
			currentImg.style.top="0px";
			currentImg.style.backgroundImage="url('" + data[i][0] + "')";
			currentImg.style.backgroundPosition="center center";
			this.articleLink.appendChild(currentImg);
			currentImg.currentOpacity = new fx.Opacity(currentImg, {duration: 600});
			currentImg.setStyle('opacity',0);
			this.slideElements[parseInt(i)] = currentImg;
		}
		this.loadingElement = document.createElement('div');
		this.loadingElement.className = 'loadingElement';
		this.articleLink.appendChild(this.loadingElement);
		this.slideInfoZone = document.createElement('div');
		this.slideInfoZone.className = 'slideInfoZone';
		this.articleLink.appendChild(this.slideInfoZone);
		this.doSlideShow();
	},
	startSlideShow: function() {
		this.lastIter = this.maxIter - 1;
		this.currentIter = 0;
		this.slideShowInit = 0;
		this.slideElements[parseInt(this.currentIter)].setStyle('opacity', 1);
		setTimeout(this.showInfoSlideShow.bind(this),1000);
		setTimeout(this.nextSlideShow.bind(this),this.slideShowDelay);
	},
	nextSlideShow: function() {
		this.lastIter = this.currentIter;
		this.currentIter++;
		if (this.currentIter >= this.maxIter)
		{
			this.currentIter = 0;
			this.lastIter = this.maxIter - 1;
		}
		this.slideShowInit = 0;
		this.doSlideShow.bind(this)();
	},
	doSlideShow: function() {
		if (this.slideShowInit == 1)
		{
			imgPreloader = new Image();
			imgPreloader.onload=function(){
				setTimeout(this.startSlideShow.bind(this),10);
			}.bind(this);
			imgPreloader.src = this.slideShowData[0][0];
		} else {
			if (this.currentIter != 0) {
				this.slideElements[parseInt(this.currentIter)].currentOpacity.options.onComplete = function() {
					this.slideElements[parseInt(this.lastIter)].setStyle('opacity',0);
				}.bind(this);
				this.slideElements[parseInt(this.currentIter)].currentOpacity.custom(0, 1);
			} else {
				this.slideElements[parseInt(this.currentIter)].setStyle('opacity',1);
				this.slideElements[parseInt(this.lastIter)].currentOpacity.custom(1, 0);
			}
			setTimeout(this.showInfoSlideShow.bind(this),100);
			setTimeout(this.nextSlideShow.bind(this),this.slideShowDelay);
		}
	},
	showInfoSlideShow: function() {
		this.slideInfoZone = document.createElement('div');
		this.articleLink.appendChild(this.slideInfoZone);
		this.articleLink.href = this.slideShowData[this.currentIter][1];
		this.articleLink.target = this.slideShowData[this.currentIter][4];
		this.articleLink.onmouseover = function(){window.status = ''; return true;};
		this.slideInfoZone.className = 'slideInfoZone';
	}
};
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}