<!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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>1234</title>
<style>
#main {
width: 100%
min-width: 752px;
max-width: 976px;
}
#left{
background-color:#cccccc;
border:2px solid #333333;
width:100px;
height:300px;
float:left;
}
#right{
background-color:#cccccc;
border:2px solid #333333;
height:300px;
}
</style>
</head>
<body>
<div id="main">
<!--[if IE]>
<SCRIPT language=JavaScript>
var objmain = document.getElementById("main");
function updatesize(){ var bodyw = window.document.body.offsetWidth; if(bodyw <= 792) objmain.style.width="752px"; else if(bodyw >= 1016) objmain.style.width="976px"; else objmain.style.width="100%"; }
updatesize(); window.onresize = updatesize;
</SCRIPT>
<![endif]-->
<div id="left">左列</div>
<div id="right">右列</div>
</div>
</body>
</html>