function SlideShow(container, width, height)
{
	if(!document.getElementById || !document.createElement)return;
	
	this.delay = 2000;
	this.frameDelay = 50;
	this.step = 5;
	this.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");

	var imgs_num = this.imgs.length;

	for(i=0; i<imgs_num; 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.KhtmlOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}
}


    function opacity(id, opacStart, opacEnd, millisec) 
    {
      var speed = Math.round(millisec / 100);
      var timer = 0;

      if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
      } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
      }
    }

  function changeOpac(opacity, id) 
    {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
    }