求大侠帮小弟改改如何实现鼠标移到一级菜单栏上 ，菜单实现自动展开二级菜单而不用onclick实现，小弟不懂js，更不会asp，哪位帮帮忙，谢谢！
<%
set rs=conn.execute("select * from dlbiao order by pid") //dlbiao为一级菜单表
%>
<table width="180" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="445" height="50" align="center" valign="middle"> <br />
<div>
<ul id="nav">
<%
do while not rs.eof
%>
<li class="STYLE1"> <a href="#Menu=ChildMenu1" onclick="DoMenu( <%=rs.fields("nid")%>)">
<img src="images/index_r11_c3.jpg" width="14" height="10" border="0"/> <%=rs.fields("dlb")%> </a> </li>
<li class="STYLE1"> </li>
<ul id=" <%=rs.fields("nid")%>" class="collapsed">
<%
set rs1=conn.execute("select * from xlbiao where dlb="&rs.fields("n
