<div id="content">
<div id="subcol">subcol</div>
<div id="main">
<div id="maincol">maincol</div>
<div id="xcol">xcol</div>
</div>
</div>
<!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></title>
<style type="text/css">
<!--
#content{width:700px; background:#f30;}
#subcol {float:left; width:200px;}
#main {width:500px; height:100px; float:right;}
#maincol {width:300px;float:left;}
#xcol {width:200px; float:right;}
-->
</style>
</head>
<body>
<div id="content">
<div id="subcol">subcol</div>
<div id="main">
<div id="maincol">maincol</div>
<div id="xcol">xcol</div>
</div>
<div style="clear:both;"></div>
</div>
</body>
</html>
