function SlideShow(container, width, height, options){	if(!document.getElementById || !document.createElement)return;		if (!options){options={};}	this.delay = (options.delay || 3200);	this.frameDelay = (options.frameDelay || 50);	this.step = (options.step || 5);	this.repeatFirstImage = (options.repeatFirstImage || true);	this.current = 0;	this.imgs = new Array();	this.step = this.step/100;		document.getElementById(container).style.position = 'relative';	document.getElementById(container).style.width = width+'px';	document.getElementById(container).style.height = height+'px';	this.imgs = document.getElementById(container).getElementsByTagName("img");	for(i=0;i<this.imgs.length;i++) {		if (i!=0) {this.imgs[i].xOpacity = 0;}		this.imgs[i].style.position = 'absolute';		this.imgs[i].style.top = 0;		this.imgs[i].style.left = 0;	}	this.imgs[0].style.display = "block";	this.imgs[0].xOpacity = .99;	var self = this;	setTimeout(function(){self.xfade()},this.delay);}SlideShow.prototype ={	xfade: function ()	{		cOpacity = this.imgs[this.current].xOpacity;		nIndex = this.imgs[this.current+1]?this.current+1:0;		if (!this.repeatFirstImage && nIndex == 0) { nIndex=1;	}		nOpacity = this.imgs[nIndex].xOpacity;				cOpacity-=this.step; 		nOpacity+=this.step;				this.imgs[nIndex].style.display = "block";		this.imgs[this.current].xOpacity = cOpacity;		this.imgs[nIndex].xOpacity = nOpacity;				this.setOpacity(this.imgs[this.current]); 		this.setOpacity(this.imgs[nIndex]);		var self = this;		if(cOpacity<=0) {			this.imgs[this.current].style.display = "none";			this.current = nIndex;						setTimeout(function(){self.xfade()},this.delay);		} else {						setTimeout(function(){self.xfade()},this.frameDelay);		}	},	setOpacity: function (obj)	{		if(obj.xOpacity>.99) {			obj.xOpacity = .99;			return;		}		obj.style.opacity = obj.xOpacity;		obj.style.MozOpacity = obj.xOpacity;		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";	}}