<HTML>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=gb2312">
</HEAD><frameset rows='15%,86%,8%'>
<frame scrolling='no' frameborder=0 marginheight=0 marginwidth =0 noresize src='mainwindow.asp' >
<frameset frame border='no' frame frameborder=0 cols='130px,*'>
<frame scrolling='auto' frameborder=0 marginheight=0 marginwidth =0 noresize name='cols1' src='picture\lefts.asp'>
<frame scrolling='auto' frameborder=0 marginheight=0 marginwidth =0 noresize name='cols2' src='picture\menus.asp'>
</frameset>
<frame scrolling='no' frameborder=0 marginheight=0 marginwidth =0 noresize name='cols3' >
</frameset></HTML>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=gb2312">
</HEAD><frameset rows='15%,86%,8%'>
<frame scrolling='no' frameborder=0 marginheight=0 marginwidth =0 noresize src='mainwindow.asp' >
<frameset frame border='no' frame frameborder=0 cols='130px,*'>
<frame scrolling='auto' frameborder=0 marginheight=0 marginwidth =0 noresize name='cols1' src='picture\lefts.asp'>
<frame scrolling='auto' frameborder=0 marginheight=0 marginwidth =0 noresize name='cols2' src='picture\menus.asp'>
</frameset>
<frame scrolling='no' frameborder=0 marginheight=0 marginwidth =0 noresize name='cols3' >
</frameset></HTML>
<frameset framespacing="0" border="0" frameborder="0" rows="64,*,64">
<frame name="top" scrolling="yes" target="contents" src="new_page_4.htm">
<frameset cols="222,*">
<frame name="contents" target="main" scrolling="yes" src="new_page_2.htm">
<frame name="main" scrolling="yes" src="new_page_3.htm">
</frameset>
<frame name="bottom" scrolling="yes" target="contents" src="new_page_5.htm">
<noframes>
<body> <p>此网页使用了框架，但您的浏览器不支持框架。</p> </body>
</noframes>
</frameset>
你所看到的明显界限会在某个<frame>中的页面出现404错误时显现，如果所有页面都load成功了就不会有那些界限了，自己试一下就知道了，其实我觉得做框架最好的工具就是frontpage，来的比较快