function scrollLeft(spd)
{
	speed = 10;
	scrolltimer = null;
	if (document.layers) 
	{
		var page = eval(document.contentLayer);
	}
	else 
	{
		if (document.getElementById) 
		{
			var page= eval("document.getElementById('contentLayer').style");
		}
		else 
		{
			if (document.all) 
			{
				var page = eval(document.all.contentLayer.style);
			}
		}
	}

	speed = parseInt(spd);
	var x_pos = parseInt(page.left);

	x_pos -= speed;
	if (x_pos<-300) 
	{
		/* no restart from the right */
		return;

		/* use this line to restart the crolling from the right 
		x_pos = resetLayer();
		*/
	}

	page.left = x_pos;

	scrolltimer = setTimeout("scrollLeft(speed)", 1);

}


function resetLayer()
{
	/* reset layer position */
	height = (navigator.appName.indexOf("Microsoft")!=-1) ? document.body.offsetHeight : window.innerHeight;
	contentLayer.style.top = Math.floor( Math.random() * (height-250) )+250;
	return contentLayer.style.left = (navigator.appName.indexOf("Microsoft")!=-1) ? document.body.offsetWidth : window.innerWidth;
}