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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk"/>
<title>三级dropdown弹出菜单 </title>
<style type="text/css">
/* common styling */
.menu {font-family: arial, sans-serif; width:750px; position:relative; margin:0; font-size:11px; margin:50px 0;}
.menu ul li a, .menu ul li a:visited {display:block; text-decoration:none; color:#000; width:104px; height:20px; text-align:center; color:#fff; border:1px solid #fff; background:#710069; line-height:20px; font-size:11px;}
.menu ul {padding:0; margin:0;list-style-type: none; }
.menu ul li {float:left; margin-right:1px; position:relative;}
.menu ul li ul {display: none;}
.menu ul li a.hide, .menu ul li a:visited.hide {display:none;}
.menu ul li a:hover ul li a.hide {display:none;}
.menu ul li a:hover {color:#fff; background:#36f;}
.menu ul li a:hover ul {display:block; position:absolute; top:21px; left:0px; width:104px;}
.menu ul li a:hover ul li a.sub {background:red; color:#fff;}
.menu ul li a:hover ul li a {display:block; background:#ddd; color:#000;}
.menu ul li a:hover ul li a ul {visibility:hidden;}
.menu ul li a:hover ul li a:hover {background:#6fc; color:#000;}
.menu ul li a:hover ul li a:hover ul {visibility:visible; position:absolute; left:105px; top:0; color:#000;}
.menu ul li a:hover ul li a:hover ul.left {left:-105px;}
</style>
</head>
<SCRIPT LANGUAGE="JavaScript">
function hidSubMenu(){
var obj = document.getElementById("ulid");
obj.style.display = "none";
}
function clSubMenu(){
var obj = document.getElementById("ulid");
obj.style.display = "";
}
</SCRIPT>
<body>
<div class="menu">
<ul>
<li> <a class="hide" href="../menu/index.html">DEMOS </a>
<!--[if lte IE 6]>
<a href="../menu/index.html">DEMOS
<table> <tr> <td nowrap>
<![endif]-->
<ul id="ulid">
<li nowrap> <a href="#" onclick="hidSubMenu()" onmouseout="clSubMenu()" title="The zero dollar ads page">zero dollars </a> </li>
<li> <a href="#" onclick="hidSubMenu()" onmouseout="clSubMenu()" title="Wrapping text around images">wrapping text </a> </li>
<li> <a href="#" onclick="hidSubMenu()" onmouseout="clSubMenu()" title="Styling forms">styled form </a> </li>
</ul>
<!--[if lte IE 6]>
</td> </tr> </table>
</a>
<![endif]-->
</li>
</ul>
</div>
</body>
</html>