例子1：
<html>
<head>
<style type="text/css">
#topNavWrapper {
height: 29px;
margin: 0px auto;
min-width:1000px;
z-index:100;
_position: relative ;
_top:0px;
}
#topNav
{
width:100%;
display: block;
z-index: 100;
overflow: visible;
position: fixed;
top: 0px;
_position: absolute;
_top: expression(documentElement.scrollTop-5 + "px");
background-color:#EBEBEB;
border-bottom-style:solid;
border-bottom-width:1px;
border-bottom-color:#D0D0D0;
height: 28px;
min-width:1000px;
}
#top
{
margin: 0px auto;
width:1000px;
position:relative;
}
.left
{
left:5px;
top:6px;
width:200px;
position:absolute;
}
.leftlx
{
left:205px;
top:6px;
width:300px;
position:absolute;
}
.right
{
left:830px;
top:6px;
width:170px;
position:absolute;
}
#top a
{
text-decoration: none;
color:#747474;
}
#top a:hover
{
color: blue;
text-decoration: underline;
}
</style>
</head>
<body>
<div id="topNavWrapper">
<div id="topNav">
<div id="top">
<div class="left">您好!欢迎来到....^ ^</div><div class="leftlx"><a href="about.aspx?id=1">[联系我们]</a> 客户服务热线: 400-699-1111</div>
<div class="right">
<table cellpadding="0" cellspacing="0"><tr><td><a href="#">简体中文</a></td><td>|</td><td><a href="big5.html">繁体中文</a></td>
<td>|</td><td><a onclick='window.external.addFavorite("http://www.xxxx.com","xxxx")' href="#">收藏本站</a></td></tr></table>
</div>
</div>
</div>
</div>
</body>
</html>
例子2：
<style type="text/css">
{
margin: 0px;
padding: 0px;
}
body {
background-attachment: fixed; /* prevent screen flash in IE6 */
}
#topNavWrapper {
width: 100%;
text-align: left;
height: 28px;
margin: 0px auto;
z-index:100;
_position: relative ;
_top:0px;
}
#topNav {
width: 100%;
float: left;
display: block;
z-index: 100;
overflow: visible;
position: fixed;
top: 0px; /* position fixed for IE6 */
_position: absolute;
_top: expression(documentElement.scrollTop + "px");
height: 28px;
}
</style>