<!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>
<title></title>
<meta charset="gb2312" />
<style type="text/css">
body{
background-color:silver;
}
.page_center {
width:600px;
margin:20px auto;
}
#nav {
background-color:yellow;
height:120px;
}
#left {
width:120px;
background-color:pink;
position:absolute;
}
#middle {
width:360px;
background-color:gray;
margin-left:120px;
}
#right {
width:120px;
background-color:green;
position:absolute;
top:0;
right:0;
}
#foot {
background-color:blue;
}
#main {
position:relative;
background-color:green;
background-image:url(5.gif);
background-repeat:repeat-y;
background-position:left;
}
</style>
<script type="text/javascript">
</script>
</head>
<body>
<div id="nav" class="page_center">
000</div>
<div id="main" class="page_center">
<div id="left">
111<br /><br /><br /><br /><br /><br />
</div>
<div id="middle">
222<br /><br />主<br /><br />
<br /><br />要<br /><br />内<br /><br /><br /><br /><br />容<br /><br /><br /><br /><br />主<br /><br /><br /><br />要<br /><br />
</div>
<div id="right">
333<br /><br /><br /><br /><br /><br /><br />
</div>
</div>
<div id="foot" class="page_center">
444<br /><br /><br /><br /><br /><br />
</div>
</body>
</html>