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("online").style.top=parseInt(document.getElementById("online").style.top)+percent+"px";
lastScrollY=lastScrollY+percent;
}
window.setInterval("heartBeat()",1);

function closeOnline(){
	document.getElementById('online').style.display = 'none';	
}