lastScrollY=0; 

function heartBeat(){ 
	diffY=document.body.scrollTop; 
	percent=.1*(diffY-lastScrollY); 
	if(percent>0)percent=Math.ceil(percent); 
	else percent=Math.floor(percent); 
	document.all.left.style.pixelTop+=percent;
 	document.all.right.style.pixelTop+=percent;
	lastScrollY=lastScrollY+percent; 
} 

dami1="<div id=left style='left:10px;POSITION:absolute;TOP:100px;'><a href='../About.Asp?id=14' target='_blank'><img src='../images/zc.gif' width='0' height='0' border=0 alt='梅花园林宾馆'></a></div>"
document.write(dami1); 

window.setInterval("heartBeat()",1); 


dami2="<div id=right style='right:3px;POSITION:absolute;TOP:145px;'><a href='Aboutus.asp?Title=酒店简介' target='_blank'><img src='img/yc.gif' width='105' height='340' border=0 alt='订房热线'></a></div>"
document.write(dami2); 

window.setInterval("heartBeat()",1);