frameset框架上能否创建在页面之上<div>的层
<html><head><title>通讯管理演示系统</title><meta http-equiv="Content-Type" content="text/html; charset=gbk" /><script language="JavaScript" src="/ego_mail/javascript/loading.js"></script></head><body><table width="100%" align="center" border="0" cellpadding="0" cellspacing="0" height="100%"> <tr > <td > <frameset rows="143,*,21"> <frame src="top.jsp" name="topFrame" frameborder="no" noresize="noresize" scrolling="no" id="topFrame" > <frame src="middle.jsp" name="middleFrame" frameborder="no" noresize="noresize" scrolling="no" id="middleFrame" > <frame src="bottom.jsp" name="bottomFrame" frameborder="no" noresize="noresize" scrolling="no" id="bottomFrame" ></frameset><noframes></noframes> </td> </tr></table></body>
