lastScrollY=0;
function heartBeat(arryduilian){ 
	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); 
	
	for(u in arryduilian) {
		if(document.getElementById(arryduilian[u])){
		document.getElementById(arryduilian[u]).style.top=parseInt(document.getElementById(arryduilian[u]).style.top)+percent+"px";
		}
	}
	lastScrollY=lastScrollY+percent; 
}

lastScrollYa=0;
function heartBeata(arryduilian){ 
	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-lastScrollYa); 
	if(percent>0)percent=Math.ceil(percent); 
	else percent=Math.floor(percent); 
	
	for(u in arryduilian) {
		if(document.getElementById(arryduilian[u])){
		document.getElementById(arryduilian[u]).style.top=parseInt(document.getElementById(arryduilian[u]).style.top)+percent+"px";
		}
	}
	lastScrollYa=lastScrollYa+percent; 
}