lastScrollX = 0; //最后离左边距离的负值
lastScrollY =100;  //最后离顶部的高度的负值

function heartBeat(id1,id2) {    

diffY = document.body.scrollTop;
diffX = document.body.scrollLeft; 

if(diffY != lastScrollY) {    
percent = .1 * (diffY - lastScrollY);    
if(percent > 0) percent = Math.ceil(percent);    
else percent = Math.floor(percent);    
//eval("document.all."+idname+"style")="xxx" 
id1.style.pixelTop += percent;
id2.style.pixelTop += percent;
//eval("document.all."+idname+"style.pixelTop+" )=percent     
lastScrollY = lastScrollY + percent;    
}    

if(diffX != lastScrollX) {    
percent = .1 * (diffX - lastScrollX);    
if(percent > 0) percent = Math.ceil(percent);    
else percent = Math.floor(percent);    
id1.style.pixelLeft += percent; 
id2.style.pixelLeft += percent; 
//eval("document.all."+idname+"style.pixelTop+")=percent      
lastScrollX = lastScrollX + percent;
}    
}    
//end fun  (heartBeat)
document.write("<DIV id=floater2 style='left: 7px; top: 111px; POSITION: absolute;'>  <embed src='flash/piao.swf' width='100' height='200'></embed></div>")
document.write("<DIV id=floater style='left: 895px; top: 111px; POSITION: absolute;'><embed src='flash/piao.swf' width='100' height='200'></embed></div>")
window.setInterval("heartBeat(floater,floater2)",1);