<!--  
		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*/}  
		//alert(diffY);  
		percent=.1*(diffY-lastScrollY);  
		if(percent>0)percent=Math.ceil(percent);  
		else percent=Math.floor(percent);  
		document.getElementById("rightDiv").style.top = parseInt(document.getElementById("rightDiv").style.top)+percent+"px";  
		document.getElementById("leftDiv").style.top = parseInt(document.getElementById("leftDiv").style.top)+percent+"px";  
		lastScrollY=lastScrollY+percent;  
		//alert(lastScrollY);  
		}  
		//下面这段删除后，对联将不跟随屏幕而移动。  
		window.setInterval("heartBeat()",1);  /*<a href="http://xmcyberpolice.cn/alert.asp" target=_blank><img src="http://xmcyberpolice.cn/image/gt.gif" border='0'></a>*/
