lastScrollY=0;
function heartBeat(){
var diffY;
if (document.documentElement && document.documentElement.scrollTop)
	diffY = document.documentElement.scrollTop;
else if (document.body)
	diffY = document.body.scrollTop
else
{/*Netscape stuff*/}
//alert(diffY);
percent=.1*(diffY-lastScrollY);
if(percent>0)
percent=Math.ceil(percent);
else percent=Math.floor(percent);
	if (document.getElementById("LeftAd") != null) {
		document.getElementById("LeftAd").style.top=parseInt(document.getElementById("LeftAd").style.top)+percent+"px";
		lastScrollY=lastScrollY+percent;
		$("#LeftAd").css("right", $("#main").css("right") + "px");
	}
}
window.setInterval("heartBeat()",1);
function ClosedivLeft()
{
	LeftAd.style.visibility="hidden";
}