javascript 菜单问题
<div id="back" style="position:absolute;top:79px;left:204px;width:160;height:40;z-index:1;visibility:visible;">
<span id="menubar" onmouseover="menu.style.visibility='visible'">菜单</span>
<div border=1 id="menu" style="position:absolute;top:9px;left:0px;width:50;height:10;z-index:2;visibility:hidden;">
<table width="100" border="1" onMouseOut="menu.style.visibility='hidden'">
<tr>
<td>asdsadsad</td>
</tr>
<tr>
<td>asdsa</td>
</tr>
<tr>
<td>sadas</td>
</tr>
</table>
</div>
</div>
这样做不能用啊,那位可以帮帮忙,加急!!!它老是不断的刷新,如何避免。