复制代码 代码如下:
<script language="JavaScript" type="text/javascript">
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("ad_left").style.top=parseInt(document.getElementById
("ad_left").style.top)+percent+"px";
document.getElementById("ad_right").style.top=parseInt(document.getElementById
("ad_left").style.top)+percent+"px";
lastScrollY=lastScrollY+percent;
//alert(lastScrollY);
}
function hidead(num)
{
showad = false;
if(num==1)
document.getElementById("ad_left").style.display="none";
else if(num==2)
document.getElementById("ad_right").style.display="none";
}
var ClosebuttonHtml1 = '<div><a href="javascript:void(0);">关闭</a></div>';
var ClosebuttonHtml2 = '<div><a href="javascript:void(1);">关闭</a></div>';
ad1="<div id=/"ad_left/"></div>"
ad2="<DIV id=/"ad_right/"><br><a href='tencent://message/?uin=758541860&Menu=yes'><img height='120' src='../images/qq.gif' border='0' width='110'></a></div>";
document.write(ad1);
document.write(ad2);
window.setInterval("heartBeat()",1);
</script>
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