<!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=utf-8" />
<title>无标题文档</title>
<style type="text/css">
body
{
margin:0;
padding:0;
word-wrap:break-word;
background-color:#CCC;
}
.main
{
margin:0px 50px 0px 50px;
min-height:600px;
}
.left_nav
{
float:left;
position:absolute;
margin-left:0px;
width:300px;
background-color:#F96;
min-height:600px;
}
.right_zone
{
margin:0px 0px 0px 300px;
min-height:600px;
background-color:#69C;
}
.main_2
{
margin:0px;
width:100%;
min-height:600px;
background-color:#C60;
}
</style>
</head>
<body>
<div>
<div>ddd
</div>
<div>
<div>
<iframe width="100%" height="600" frameborder="0" src="frame_child.html" ></iframe>
</div>
</div>
</div>
</body>
</html>