<div>标签难题，求救！

queryBuilder.aspx：<%@ Page language="c#" Codebehind="queryBuilder.aspx.cs" AutoEventWireup="false" Inherits="cTrace.traceAnalysis.queryBuilder" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>queryBuilder</title>
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
<SCRIPT language="JavaScript" src="script/navigate.js" type="text/javascript"></SCRIPT>
<SCRIPT language="JavaScript" src="script/dhtmlmenu/stm31_new.js" type="text/javascript"></SCRIPT>
<LINK href="style/navigate.css" type="text/css" rel="stylesheet">
<script>
var refresh_button="Refresh";
</script>
</HEAD>
<body bgColor="#ffffff" leftMargin="0" topMargin="10" rightMargin="0">
<form id="Form1" method="post" runat="server">
<SCRIPT>top.document.title = 'Trace Inventory';</SCRIPT>
<DIV id="titleBar" style="FONT-SIZE: 16pt; LEFT: 0px; WIDTH: 100%; POSITION: absolute; TOP: 0px; HEIGHT: 45px; BORDER-TOP: #446688 1px solid; BACKGROUND-COLOR: #6688aa; TEXT-ALIGN: center"></DIV>
<span class="title">Trace Inventory</span>
<DIV LEFT: 0px; top:10; POSITION: absolute;WIDTH: 50%; height:45;>
<SPAN class="TOC" id="showtoc">
<SCRIPT language="JavaScript" src="obj/tree_show.js" type="text/javascript"></SCRIPT>
</SPAN><SPAN class="navigation">
<SCRIPT language="JavaScript" src="obj/previous_next.js" type="text/javascript"></SCRIPT>
</SPAN>
</DIV>
<div class="shortcutBar">
<SPAN class="refreshButton">
<SCRIPT language="JavaScript" src="obj/refresh.js" type="text/javascript"></SCRIPT>
</SPAN><span class="shortcuts"><a href="">Working Set</a></span> <span class="shortcuts">
<a href="">Query Builder</a></span>
</div> <FONT face="宋体"></FONT>
</form>
</body>
</HTML>
上述代码，在.net下执行，三个<div>标签内容只能显示出第一个的内容，剩下的两个内容无法显示。而同样的代码如果另存为一个html文件，则可以正常显示。
迷惑！
望高手帮忙！