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*/}
		
	percent=.1*(diffY-lastScrollY); 
	if(percent>0)percent=Math.ceil(percent); 
	else percent=Math.floor(percent); 
	document.getElementById("floater").style.top=parseInt(document.getElementById("floater").style.top)+percent+"px";
	lastScrollY=lastScrollY+percent; 
}
adStart=window.setInterval("heartBeat()",1);