<!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 quick menu</title>
<script type="text/javascript" src="http://code.jquery.com/jquery.min.js"></script>
<link type="text/css" rel="stylesheet" href="../preset/preset.css" />
<style type="text/css">
div.contents {width:200px; height:3000px; border:1px solid #ddd; margin:10px auto 50px; background:#f1f1f1;}
div#quick_menu {position:absolute; left:50%; top:0px; width:100px; height:300px; margin:0 0 0 110px; border:1px solid #5af; background:#aef;}
</style>
</head>
<body>
<div class="contents"></div>
<div id="quick_menu">This is QuickMenu</div>
<script type="text/javascript">
var quick_menu = $('#quick_menu');
var quick_top = 110;
/* quick menu initialization */
quick_menu.css('top', $(window).height() );
$(document).ready(function(){
quick_menu.animate( { "top": $(document).scrollTop() + quick_top +"px" }, 500 );
$(window).scroll(function(){
quick_menu.stop();
quick_menu.animate( { "top": $(document).scrollTop() + quick_top + "px" }, 1000 );
});
});
</script>
</body>
</html>