<frameset rows="59,*" cols="*" frameborder="no" border="0" framespacing="0">
<frame src="files/top.aspx" name="topFrame" scrolling="No" noresize="noresize" id="topFrame" title="topFrame" />
<frameset cols="213,*" frameborder="no" border="0" framespacing="0">
<frame src="files/left.aspx" name="leftFrame" scrolling="No" noresize="noresize" id="leftFrame" title="leftFrame" />
<frame src="files/Tongzhi.aspx" name="mainFrame" id="mainFrame" title="mainFrame" />
</frameset>
</frameset>
<noframes>
<body>
</body>
</noframes>
</html>
若我登陆后把登陆信息保存在session中，那么我怎么去判断top、left、Tongzhi这几个页面是否登陆呢？
