<!-- 要实现此效果需要 2 个步骤： -->
<!-- 第 1 步： -->
<!-- 把下面的代码加到<HEAD></HEAD>区域中： -->
<SCRIPT language=javascript><!--
function out()
{
if(window.event.toElement.id!="menu" && window.event.toElement.id!="link")
menu.style.visibility="hidden";
}
//-->
function out1()
{
if(window.event.toElement.id!="menu1" && window.event.toElement.id!="link")
menu1.style.visibility="hidden";
}
//-->
</SCRIPT>
<!-- 第 2 步： -->
<!-- 把下面的代码加到<BODY></BODY>区域中： -->
<div id="back" onmouseout="out()"style="position:absolute;top:180;left:310;width:160;height:40;z-index:1;visibility:visible;">
<span id="menubar" onmouseover="menu.style.visibility='visible'">
<font color=red size=2>菜单</span>
<div border=1 id="menu" style="position:absolute;top:15;left:0;width:50;height:10;z-index:2;visibility:hidden;">
<a id="link" href="#">软件下载</a>
<a id="link" href="#">游戏下载</a>
<a id="link" href="#">黄金书籍</a>
<a id="link" href="#">美女图库</a>
<a id="link" href="#">MP3金曲</a>
<a id="link" href="#">FLASH</a>
</div>
</div>
<div id="back" onmouseout="out1()"style="position:absolute;top:180;left:370;width:160;height:40;z-index:3;visibility:visible;">
<span id="menubar" onmouseover="menu1.style.visibility='visible'">
<font color=red size=2>菜单</span>
<div border=1 id="menu1" style="position:absolute;top:15;left:0;width:50;height:10;z-index:4;visibility:hidden;">
<a id="link" href="#">软件下载</a>
<a id="link" href="#">游戏下载</a>
<a id="link" href="#">黄金书籍</a>
<a id="link" href="#">美女图库</a>
<a id="link" href="#">MP3金曲</a>
<a id="link" href="#">FLASH</a>
</div>
</div>