<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ja" lang="ja">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>フロートメニュー</title>
<meta http-equiv="Content-Style-Type" content="text/css" />
<meta http-equiv="Content-Script-Type" content="text/javascript" />
<style type="text/css">
body {
background: #666;
}
div {
background:#fff;
width:300px;
}
p{
margin-left:320px;
height:1000px;
border:1px solid #ff3333;
}
</style>
<script language="JavaScript">
offY = 10;
posY = offY;
function floatMenu(){
sy =(document.body.scrollTop || document.documentElement.scrollTop);
document.getElementById('sideMenu').style.top = posY+'px';
movY = sy-posY+offY;
cY = movY/5;
posY += cY;
}
</script>
</head>
<body onload="setInterval('floatMenu()',20)">
<div id="sideMenu" style="position:absolute;top:10;left:10px;" name="sideMenu">
<ul>
<li>あいうえお</li>
<li>かきくけこ</li>
<li>さしすせそ</li>
</ul>
</div>
<p>box</p>
</body>
</html>