一款类似滑动门功能的国外菜单

答案：<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>一款国外设计的漂亮菜单</title>
</head>
<style type="text/css">
 body {
	background: #fff;
	font-family: "Lucida Grande", Helvetica, Arial, sans-serif;
	font-size: 12px;
}
#nav {margin:20px 0 80px 0;}
#nav {float:left; padding-left:10px; width:740px; height:auto;background:#d1e1ce url("/jscss/demoimg/200906/bg.gif") repeat-x bottom;}
#nav .select, #nav .current {margin:2.6em 0 0 0; padding:0; list-style:none; display:block; float:left;}
#nav .sub {margin:0; padding:0; list-style:none;}
#nav li {display:block; float:left; margin:0; padding:0; position:relative; z-index:100;}
#nav .current li {z-index:50;}
#nav .select a, 
#nav .current a {display:block; height:2.5em; float:left; width:100px; background:url("/jscss/demoimg/200906/left_both.gif") no-repeat left top; padding:0 0 0 9px; border-bottom:1px solid #765; text-decoration:none; font-weight:bold; line-height:2.4em; white-space:nowrap;}
#nav .one a {width:10em;}
#nav .two a {width:19em;}
#nav .three a {width:9.5em;}
#nav .four a {width:9em;}
#nav .select a b, 
#nav .current a b {height:100%; display:block; background:url("/jscss/demoimg/200906/right_both.gif") no-repeat right top; padding:0 15px 0 6px; color:#553;}
#nav .sub {display:none;}
#nav table {position:absolute; border-collapse:collapse; left:0; top:0; font-size:1em;}
#nav .select a:hover b {color:#000; cursor:pointer;}
#nav .current a {background-position:0 -150px; border-color:#fff;}
#nav .current a b {background-position:100% -150px; color:#000;}
#nav .sub li a:hover, 
#nav .select a:hover .sub li a:hover, 
#nav .select li:hover .sub li a:hover {border-color:#aba; background:#d1e1ce; color:#000;}
#nav .current .sub .current_sub a, 
#nav .current .sub a:hover {border-color:#aba; background:#d1e1ce; color:#000;}
#nav .current .sub, 
#nav .select a:hover .sub, 
#nav .select li:hover .sub {display:block; position:absolute; width:730px; top:2.5em; background:#fff; margin-top:1px; padding:10px 0 20px 0;}

* html #nav .current .sub, * html #nav .select a:hover .sub {margin-top:0; margin-t\op:1px;}
#nav .current .sub li a, 
#nav .select a:hover .sub li a, 
#nav .select li:hover .sub li a {display:inline; background:#fff; border:1px solid #ddd; padding:0 10px; margin:0 10px 0 0; width:auto; white-space:nowrap; font-weight:normal; font-size:0.9em; height:2em; line-height:1.9em;}
#nav .select a:hover, 
#nav li:hover a {background-position:0% -150px; border-color:#fff;}
#nav .select a:hover b, 
#nav .select li:hover a b {background-position:100% -150px; border-color:#fff; color:#000;}
#nav .one .sub {left:0;}
#nav .two .sub {left:-10em; margin-left:-9px;}
#nav .three .sub {left:-29em; margin-left:-18px;}
* html #nav .three .sub {margin-left:-9px; marg\in-left:-18px;}
#nav .four .sub {left:-38.5em; margin-left:-27px;}
* html #nav .four .sub {margin-left:-18px; marg\in-left:-27px;}
</style>
<body>
<div id="nav">
<ul class="select one"><li><a href="#"><b>我的网站</b><!--[if IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul class="sub">
<li><a href="#">我的更新</a></li>
<li><a href="#">关注排行</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
</ul>
<ul class="current two"><li><a href="#"><b>我的日记</b><!--[if IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul class="sub">
<li><a href="#">最新日记</a></li>
<li class="current_sub"><a href="#">今日更新</a></li>
<li><a href="#">请联系我</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
</ul>
<ul class="select three"><li><a href="#"><b>CSS特效</b><!--[if IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul class="sub">
<li><a href="#">布局类</a></li>
<li><a href="#">菜单类</a></li>
<li><a href="#">广告类</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
</ul>
<ul class="select four"><li><a href="#"><b>如何联系</b><!--[if IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul class="sub">
<li><a href="#">我的信箱</a></li>
<li><a href="#">我的QQ</a></li>
<li><a href="#">我的MSN</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
</ul>
</div>
</body>
</html>
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