今天从别的网站看到的，不需要跳转到别的页面直接本域名下调用外部网页。里面用js控制iframe的大小，确实不错。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" " xmlns="">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>脚本之家_www.jb51.net</title>
<meta name="keywords" content="脚本之家,脚本之家_www.jb51.net" />
<meta name="description" content="脚本之家相关信息，脚本之家_www.jb51.net" />
<link rel="shortcut icon" type="image/x-icon" href="./favicon.ico">
<link href="images/style.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript">
window.onerror=function(){return true;}
$(function() {
headerH = 0; var h = $(window).height();
$("#huoduan_frame").height((h-headerH)+"px");
});
</script>
<!--[if IE 6]>
<script type="text/javascript" src="js/DDPNG.js"></script>
<script type="text/javascript">
DD_belatedPNG.fix('.png');
</script><![endif]-->
</head>
<body scroll="no" style="margin:0; padding:0; overflow-y:hidden ">
<iframe id="huoduan_frame" frameborder="0" scrolling="yes" name="main" src="" style=" height:500px; visibility: inherit; width: 100%; z-index: 1;overflow: visible;"></iframe>
<div style="display:none">
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</body></html>
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