jquery会翻滚的菜单导航条代码，鼠标放到某个菜单项上后，菜单会翻滚一下，增加一些动感的效果，看上去更可爱了，而且颜色搭配也挺不错的jQuery导航菜单。
<!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=utf-8" />
<title>jquery花式导航条效果</title>
<style type="text/css">
html { background: #1d1d1d; }
body {
margin: 0; padding: 0;
font: 10px normal Verdana, Arial, Helvetica, sans-serif;
background: #1d1d1d;
}
h1 {
font: 4.7em normal Georgia, 'Arial', Times, serif;
color: #fff;
margin: 0;
text-align: center;
padding: 5px 0;
}
h1 small{
font: 0.2em normal Verdana, Arial, Helvetica, sans-serif;
text-transform:uppercase;
letter-spacing: 1.4em;
display: block;
color: #ccc;
}
.container {
width: 960px;
margin:0px auto;
overflow: hidden;
}
img {border: none;}
ul#topnav {
background: url(a_bg.gif) repeat-x;
margin: 10px 0 20px;
padding: 0;
list-style: none;
font-size: 1.1em;
clear: both;
float: left;
width:100%;
}
ul#topnav li{
margin: 0;
padding: 0;
overflow: hidden;
float: left;
height:40px;
}
ul#topnav a, ul#topnav span {
padding: 10px 20px;
float: left;
text-decoration: none;
color: #fff;
text-transform: uppercase;
clear: both;
height: 20px;
line-height: 20px;
background: #1d1d1d;
}
ul#topnav a { color: #7bc441; }
ul#topnav span {
display: none;
}
ul#topnav.v2 span{
background: url(http://www.codefans.net/jscss/demoimg/201104/a_bg.gif) repeat-x left top;
}
ul#topnav.v2 a{
color: #555;
background: url(http://www.codefans.net/jscss/demoimg/201104/a_bg.gif) repeat-x left bottom;
}
</style>
<script type="text/javascript" src="http://www.codefans.net/ajaxjs/jquery-1.2.6.pack.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#topnav li").prepend("<span></span>");
$("#topnav li").each(function() {
var linkText = $(this).find("a").html();
$(this).find("span").show().html(linkText);
});
$("#topnav li").hover(function() {
$(this).find("span").stop().animate({
marginTop: "-40" //偏移 www.16sucai.com
}, 250);
} , function() {
$(this).find("span").stop().animate({
marginTop: "0"
}, 250);
});
});
</script>
</head>
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