看了一下高手写的一段关于解决图层被下拉框遮挡的代码，可是发现在IE中网页一直处于忙状态（右上角地球不停地转，标题栏鼠标忙状态）看看

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>&frac14;ò&micro;&yen;&sup2;&Euml;&micro;&yen;</title>
<style id=s>
#div1{
position:absolute;
z-index:100;
width:100;
height:130;
background-color:#d2e8ff;
border:1 solid black;
}
div{cursor:hand;font-size:12px;}
a{text-decoration:none;color:red;font-size:12px}
</style>
</head>
<body>
<script>
function window.onload(){
var shtml=div1.innerHTML;
var ifm=document.createElement("<iframe  frameborder=0 marginheight=0 marginwidth=0 hspace=0 vspace=0 scrolling=no></iframe>")
ifm.style.width=div1.offsetWidth
ifm.style.height=div1.offsetHeight
ifm.name=ifm.uniqueID
div1.innerHTML=""
div1.appendChild(ifm)window.frames[ifm.name].document.write("<HTML><HEAD>" + s.outerHTML+"</HEAD><body leftmargin=0 topmargin=0>"+shtml+"</body></HTML>")
window.frames[ifm.name].document.close();
}function show(){
with(document.all.img1){
x=offsetLeft;
y=offsetTop;
objParent=offsetParent;
while(objParent.tagName.toUpperCase()!= "BODY"){
x+=objParent.offsetLeft;
y+=objParent.offsetTop;
objParent = objParent.offsetParent;
}
y+=offsetHeight-1
}
with(document.all.div1.style){
pixelLeft=x
pixelTop=y
visibility=''
}
}
function hide(){
document.all.div1.style.visibility='hidden'
}
</script>
<img id=img1 onmouseover="show()" onmouseout="hide()" src="ie.gif"><br/><select></select>
<div id=div1 onmouseover="style.visibility=''" onmouseout="style.visibility='hidden'" style="visibility:hidden;">
<div href="http://www.csdn.net" onmouseover="style.backgroundColor='highlight'" onmouseout="style.backgroundColor=''" onclick="window.open(href)">sssss</div>
<div href="http://www.sohu.com" onmouseover="style.backgroundColor='highlight'" onmouseout="style.backgroundColor=''" onclick="window.open(href)">sohu</div>
</div>
</body>
</html>
加上window.frames[ifm.name].document.close();