代码如下:
<!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>JQuery 浮动导航栏</title>
<script type="text/javascript" src="http://img.jb51.net/jslib/jquery/jquery-1.3.2.min.js"></script>
<style type="text/css">
/* 浮动导航栏 Begin */
#floatMenu
{
padding-top: 5px;
background: url(http://img.jb51.net/images/quickmenu.gif) no-repeat;
border: 1px solid #dcdcdc;
position: absolute;
top: 250px;
left: 5px;
margin-left: 0px;
width: 86px;
}
#floatMenu ul
{
margin-left: 0px;
background-color:White;
list-style-type: none;
padding:10px
}
#floatMenu ul li a
{
display: block;
text-decoration: none;
color: #000;
}
#floatMenu ul li a:hover
{
color: #fff;
background-color: #ff8000;
}
#floatMenu ul.menu1 li a:hover
{
border-color: #09f;
}
/* 浮动导航栏 End */
</style>
</head>
<body>
<div id="floatMenu">
<ul class="menu1">
<li><a href="#" onclick="return false;">Home</a></li>
<li><a href="#" onclick="return false;">About Us</a></li>
<li><a href="#" onclick="return false;">Product</a></li>
<li><a href="#" onclick="return false;">Contact</a></li>
</ul>
</div>
<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br
/><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br
/><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br
/><br />
<script type="text/javascript">
//<![CDATA[
var name = "#floatMenu";
var menuYloc = null;
$(document).ready(function() {
menuYloc = parseInt($(name).css("top").substring(0, $(name).css("top").indexOf("px")))
$(window).scroll(function() {
offset = menuYloc + $(document).scrollTop() + "px";
$(name).animate({ top: offset }, { duration: 500, queue: false });
});
});
//]]>
</script>
</body>
</html>
