var lastScrollY=0;
	function heartBeat(){ 
		diffY=document.documentElement.scrollTop; 
		percent=0.1*(diffY-lastScrollY); 
		if(percent>0)percent=Math.ceil(percent); 
		else percent=Math.floor(percent); 
		document.getElementById("sorollDiv1").style.top=parseInt(document.getElementById("sorollDiv1").style.top)+percent+"px";
		lastScrollY=lastScrollY+percent; 
	}
//window.setInterval("heartBeat()",1);