奇怪问题
请教各位高手：
如下网页，需要刷新一下后网页中的表格才占满整个窗口，但我的表格宽度已经设为100%了。
<html>
<head>
<meta http-equiv="Content-Language" content="zh-cn">
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=charset=gb2312">
</head>
<center>
<body bgcolor="#003399" text="#FFFFFF" link="#FF6600" vlink="#FF6600" alink="#FF6600" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
<table align=center width="100%" border="0" background="images/top_bg.gif" cellspacing="0" cellpadding="0" >
<tr>
<td width="360" height="103" background="images/top_bg.gif"><img src="images/top_c1.gif" width="360" height="103"></td>
<td width="100%" background="images/top_bg.gif" >
<div align="right"><img src="images/top_c21.gif" width="440" height="103" border="0" align="right"></div>
</td>
</tr>
</table>
<table align=center width="100%" border="0" cellspacing="0" cellpadding="0" height="8" style="border-collapse: collapse" bordercolor="#111111">
<p align="center">
<tr>
<td width="100%" align="right" height="58" colspan="6">
<p align="center">
<img border="0" src="images/General.bmp" align="middle"></td>
</tr>
<tr>
<form action="login.asp" method="POST" name="login" target="_parent">
<td width="21%" align="center" height="8">
</td>
<td width="8%" align="center" height="8">
<font face="华文细黑">用户名</font></td>
<td width="10%" height="8" align="center">
<p align="left">
<input type="text" name="loginname" style="font-size:12px;width:60px;BORDER-BOTTOM: #003366 1px; BORDER-LEFT: #003366 1px ; BORDER-RIGHT: #003366 1px ; BORDER-TOP: #003366 1px;BACKGROUND-COLOR:#C7D7E2" onKeypress="if (event.keyCode==32) event.returnValue = false;" value="ttt" size="20">
</td>
<td width="6%" align="center" height="8"><font face="华文细黑">密 码</font></td>
<td width="13%" height="8" align="center">
<p align="center">
<input type="password" name="loginpwd" style="border:1px none #003366; font-size:12px;width:60px;BACKGROUND-COLOR:#C7D7E2; float:left" onKeypress="if (event.keyCode==32) event.returnValue = false;" size="20">
</td>
<td width="42%" height="8" align="center">
<input type="image" src="images/login.gif" border=0 align="middle">
</td>
</form>
</tr>
<P>
</table>
<table align=center width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="360" height="69" background="images/bottom_c2_bg.gif">
<img src="images/bottom_c1.gif" width="360" height="69" border="0"></td>
<td background="images/bottom_c2_bg.gif" height="69" > </td>
</tr>
</table>
</body>
</center>
</html>
