求助随屏滚动在谷歌Chrome和苹果Safari下的兼容问题

像下面这样改一下。
var st = document.documentElement.scrollTop || document.body.scrollTop;

解决方案 »

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<!DOCTYPE html PUBliC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="utf-8">
<html>
<head>
<style>
.close{width:930px;height:16px;font-size:12px;text-align:left;cursor:pointer;line-height:16px;font-weight:bold;color:#FF0000;}
</style>
</head>
<script language="javascript">
var suiping;
function suipingMove() {
suiping=document.getElementById("it_sp");
//suiping.style.top = "-200px";
suiping.style.visibility = 'visible';
MoveLayers();
window.onscroll=MoveLayers;
}function MoveLayers() {var o = document.documentElement || document.body;
var xx = document.documentElement.clientWidth-((document.documentElement.clientWidth-945)/2+930);
var yy = document.documentElement.clientHeight-120;
var st = document.documentElement.scrollTop || document.body.scrollTop;
var cw=document.documentElement.clientWidth;
var yy = st + yy;
// alert(st);
suiping.style.top = yy+"px";
suiping.style.left = xx+"px";
}window.setTimeout("suipingMove()",1000);function show_suiping_1(){
document.getElementById("it_sp").style.display = 'none';
}window.onload=suipingMove;
</script>
<body>
<div id='it_sp' style='position: absolute;visibility:hidden;z-index:98;top:0;left:0;'>
<EMBED src="http://image.it.com.cn/ct2008/10/qixi/qixi_93090_20081031.swf" quality="high" WIDTH="930" HEIGHT="90" TYPE='application/x-shockwave-flash' wmode="transparent"> </EMBED>
<div class='close' onclick='show_suiping_1()'>?? </div>
</div>
 
</body>
</html>