先来看看frames.htm页面的源代码: <html>
<head>
<title>网页跨框架菜单fromMSDN</title>
<metahttp-equiv="Content-Type"content="text/html;charset=gb2312">
</head>
<framesetrows="92,*"cols="*"framespacing="4"frameborder="yes"border="4">
<framesrc=http://www.webjx.com/htmldata/2006-08-18/"top.htm"name="topFrame"scrolling="NO">
<framesrc=http://www.webjx.com/htmldata/2006-08-18/"bottom.htm"name="mainFrame">
</frameset>
<noframes><body>
</body></noframes>
</html>