刚好写了一个超覆盖能力的，什么都能遮挡，flash,select,甚至能遮住别的窗体和状态栏 (IE Only)
<STYLE>
body,td
{
font-size:12;
}
th
{
letter-spacing:5;
font-size:12;
height:20;
filter:progid:DXImageTransform.Microsoft.Gradient(startColorStr='#ffffff', endColorStr='#D4D0c8', gradientType='0');
}
table
{
border:4px #999999 double ;
border-collapse:collapse;
}
</STYLE>
<TABLE style="CURSOR: hand" cellSpacing=1 cellPadding=1 width=200 border=1>
<TBODY>
<TR>
<TH onmouseover="showMenu(this,1); ">音乐库</TH>
<TH onmouseover=showMenu(this,2);>评论</TH></TR></TBODY></TABLE>
<P id=menu1 style="DISPLAY: none">
<TABLE style="BORDER-RIGHT: #999999 4px double; BORDER-TOP: #999999 4px double; BORDER-LEFT: #999999 4px double; CURSOR: hand; BORDER-BOTTOM: #999999 4px double; BORDER-COLLAPSE: collapse; BACKGROUND-COLOR: #ddd9d3" width=100 border=1>
<TBODY>
<TR>
<TD style="FONT-SIZE: 9pt" onclick="parent.location.href='../music/area.asp'">大类管理</TD></TR>
<TR>
<TD style="FONT-SIZE: 9pt" onclick="parent.location.href='../music/artist.asp'">歌手管理</TD></TR>
<TR>
<TD style="FONT-SIZE: 9pt" onclick="parent.location.href='../music/collection.asp'">专辑管理</TD></TR>
<TR>
<TD style="FONT-SIZE: 9pt" onclick="parent.location.href='../music/song.asp'">歌曲管理</TD></TR>
<TR>
<TD style="FONT-SIZE: 9pt" onclick="parent.location.href='../music/lib_batch.asp'">批量上传</TD></TR></TBODY></TABLE></P>
<P id=menu2 style="DISPLAY: none">
<TABLE style="BORDER-RIGHT: #999999 4px double; BORDER-TOP: #999999 4px double; BORDER-LEFT: #999999 4px double; CURSOR: hand; BORDER-BOTTOM: #999999 4px double; BORDER-COLLAPSE: collapse; BACKGROUND-COLOR: #ddd9d3" width=100 border=1>
<TBODY>
<TR>
<TD style="FONT-SIZE: 9pt" onclick="parent.location.href='../comment/comment.asp'">类别管理</TD></TR>
<TR>
<TD style="FONT-SIZE: 9pt" onclick="parent.location.href='../comment/com_content.ASP'">评论管理</TD></TR></TBODY></TABLE></P>
<SCRIPT>
var oPopup = window.createPopup();
function showMenu(obj,x)
{
var oPopBody = oPopup.document.body;
var HTML = document.all("menu" + x).innerHTML ;
oPopBody.innerHTML = HTML;
var rows = HTML.match(/<TR>/g).length;
oPopup.show(obj.offsetLeft + 10, obj.offsetTop + 40, 100, rows * 24, document.body) ;
}
</SCRIPT>