html脚本有误我重贴出来
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
</head>
<div id="a"></div>
<input type="hidden" id="tt"/>
<frameset rows="80,*" frameborder="NO" border="0" framespacing="0">
<frame src="a.htm" FRAMEBORDER=1 name="topFrame" scrolling="NO" noresize >
<frame src="b.htm" FRAMEBORDER=1 name="mainFrame">
</frameset>
<noframes>
<body>
</body>
</noframes>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
</head>
<div id="a"></div>
<input type="hidden" id="tt"/>
<frameset rows="80,*" frameborder="NO" border="0" framespacing="0">
<frame src="a.htm" FRAMEBORDER=1 name="topFrame" scrolling="NO" noresize >
<frame src="b.htm" FRAMEBORDER=1 name="mainFrame">
</frameset>
<noframes>
<body>
</body>
</noframes>
</html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
</head>
<div id="a"> </div>
<input type="hidden" id="tt"/>
<frameset rows="80,*" frameborder="NO" border="0" framespacing="0">
<frame src="a.htm" FRAMEBORDER=1 name="topFrame" scrolling="NO" noresize >
<frame src="b.htm" FRAMEBORDER=1 name="mainFrame">
</frameset>
<noframes>
<body>
</body>
</noframes>
</html>
IE不知道为什么<span>和<div>中间如果没有东西有的时候就是拿不到,加个空格就可以了,按上面写的