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("leftDIV").style.top=parseInt(document.getElementById("leftDIV").style.top)+percent+"px";

//document.getElementById("rightDIV").style.top=parseInt(document.getElementById("leftDIV").style.top)+percent+"px";



lastScrollY=lastScrollY+percent;

//alert(lastScrollY);

}



sidebar1= "<div id=leftDIV style='left:0px; position:absolute; top:200px;cursor:pointer'><a href='http://www.maggiebeauty.com/lijichaxun'><img src='include/duilian/button.gif' width='43px' height='150px' /></a></div>" 

<!--sidebar2= "<div id=rightDIV style='right:0px; PosITION:absolute; TOP:0px;'><embed src=2010R.swf width=150 height=400 quality=high pluginspage=http://www.macromedia.com/go/getflashplayer type=application/x-shockwave-flash scale=exactfit wmode=transparent id=EccoolAD></embed></div> " -->



document.write(sidebar1); 

//document.write(sidebar2); 



//下面这段删除后，对联将不跟随屏幕而移动。

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

//-->



function closeAD() 

{ 

document.getElementById("leftDIV").style.display='none'; 

//document.getElementById("rightDIV").style.display='none'; 

}