lastscrolly = 0;
        function heartBeat() 
        {
	        diffy =document.documentElement.scrollTop;
	        
	        percent =0.2*(diffy-lastscrolly);
	        //percent =diffy-lastscrolly;
	        if(percent>0)
	        {
		        percent = Math.ceil(percent);
	        }
	        else
	        {
		        percent = Math.floor(percent);
	        }
	        tb=document.getElementById("float")
	        tb.style.top=(parseInt(tb.style.top,10)+percent)+'px';
	        lastscrolly = lastscrolly+percent;
	        //alert(percent);
        }
        setInterval("heartBeat()",1);