<html>
<head>
<meta HTTP-EQUIV="Content-Type" CONTENT="text/html; Charset=gbk">
<title><?=$site_name?></title>
</head>
<frameset framespacing="0" border="0" rows="80,*" frameborder="0">
  <frame name="header_top" scrolling="no" noresize target="middle" src="main_top.php">
  <frame name="middle" target="bottom" src="system/index.php">
<noframes>
  <body>
  <p>您的浏览器不支持框架的显示</p>
  </body>
  </noframes>
</frameset>

</html>