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<!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>Insert title here</title>
<style>
html,
body {
margin: 0;
padding: 0;
} div {
text-align: center;
} #wrapper {
width: 100%;
overflow: hidden;
margin: 0 auto;
} #wrapper #header {
background-color: #ffff00;
color: #bbb;
height: 100px;
} #wrapper #menu {
background-color: #bbb;
height: 50px;
color: #fff;
width: 800px;
} #wrapper #contents {
background-color: #eee;
height: 1000px;
}
</style> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script type="text/javascript">
$(function() {
var menupos = $("#menu").offset().top;
$(window).scroll(function() {
if ($(window).scrollTop() >= menupos) {
$("#menu").css("position", "fixed");
$("#menu").css("top", "0");
} else {
$("#menu").css("position", "relative");
$("#menu").css("top", "");
}
});
});
</script> </head> <body>
<div id="wrapper">
<div id="header">header</div>
<div id="menu">menu</div>
<div id="contents">
contents
</div>
</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>
</body> </html> |
