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分享网页下拉菜单被掩盖问题？
做了一天了，快疯了，当鼠标移到药品采购计划时，菜单就消失了。
代码是
代码是
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>JavaScript下拉菜单</title>
<style type="text/css">
* {
padding:0;
margin:0;
}
body {
font-family:verdana, sans-serif;
font-size:small;
}
#navigation, #navigation li ul {
list-style-type:none;
}
#navigation {
margin:20px;
}
#navigation li {
float:left;
text-align:center;
position:relative;
}
#navigation li a:link, #navigation li a:visited {
display:block;
text-decoration:none;
color:white;
width:120px;
height:25px;
line-height:25px;
border:1px solid #fff;
border-width:1px 1px 0 0;
background:#94964A;
padding-left:10px;
}
#navigation li a:hover {
text-decoration:underline;
color:yellow;
background:#E97D19;
}
#navigation li ul li a:link,#navigation li ul li a:visited{
color:white;
width:180px;
height:25px;
}
#navigation li ul li a:hover {
text-decoration:underline;
color:yellow;
background:#E97D19;
}
#navigation li ul {
display:none;
position:absolute;
top:25px;
left:0;
margin-top:1px;
}
</style>
<script type="text/javascript">
function displaySubMenu(li) {
var subMenu = li.getElementsByTagName("ul")[0];
subMenu.style.display = "block";
}
function hideSubMenu(li) {
var subMenu = li.getElementsByTagName("ul")[0];
subMenu.style.display = "none";
}
</script>
</head>
<body>
<div style="left:54px; position:absolute; top:71px; height: 60px; width: 700px;">
<ul id="navigation">
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">信息查询</a>
<ul>
<li><a href="#">药品信息</a></li>
<li><a href="#">药品采购计划</a></li>
<li><a href="#">采购员</a></li>
<li><a href="#">供应商</a></li>
<li><a href="#">库管员</a></li>
</ul>
</li>
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">栏目2</a>
<ul>
<li><a href="#">栏目2->菜单1</a></li>
<li><a href="#">栏目2->菜单2</a></li>
<li><a href="#">栏目2->菜单3</a></li>
<li><a href="#">栏目2->菜单4</a></li>
<li><a href="#">栏目2->菜单5</a></li>
</ul>
</li>
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">栏目3</a>
<ul>
<li>
<a href="#">栏目3->菜单1</a>
</li>
<li><a href="#">栏目3->菜单2</a></li>
<li>
<a href="#">栏目3->菜单3</a>
</li>
</ul>
</li>
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu
(this)">
<a href="#">栏目3</a>
<ul>
<li>
<a href="#">栏目3->菜单1</a>
</li>
<li><a href="#">栏目3->菜单2</a></li>
<li>
<a href="#">栏目3->菜单3</a>
</li>
</ul>
</li>
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu
(this)">
<a href="#">栏目3</a>
<ul>
<li>
<a href="#">栏目3->菜单1</a>
</li>
<li><a href="#">栏目3->菜单2</a></li>
<li>
<a href="#">栏目3->菜单3</a>
</li>
</ul>
</li>
</ul>
</div>
<div style="left:54px; position:absolute; top:160px; height: 60px; width:
700px;">Aaaaaaaaaaaaaaaaaaaa</div>
</body>
</html>
...全文
请发表友善的回复…
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Sou2012 2008-06-29
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[Quote=引用 2 楼 miaoliujun 的回复:]
div 可以设置index
[/Quote]
div 可以设置index
[/Quote]
tanlingyun 2008-06-29
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你给的z-index确实好用，你怎么几个版块的乱跑啊
s_liangchao1s 2008-06-29
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呵呵 还两边开贴 就我给你的z-index
miaoliujun 2008-06-29
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div 可以设置index
