Stuff

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 strict//EN"
    "http://www.w3.org/TR/html401/strict.dtd">
<html>
<head>
<title>Fuld højde centreret simpelt</title>
<meta name="keywords" content="roenving,http://www.eksperten.dk/spm/520876">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css">
* {margin:0;padding:0;}
html,body{height:100%;}
#container{position:relative;height:100%;text-align:left;}
#banner{position:absolute;height:125px;width:100%;background:yellow;z-index:1;}
#top1{width:100%;height:50px;background:#770;}
#top2{width:100%;height:75px;background:#707;}
#main{height:100%;background:green;}
#spacer{height:100px;}
#bottom{position:absolute;left:0px;bottom:0px;height:100px;background:yellow;z-index:1;width:100%;}
</style>
</head>
<body>
  <div id="container">
    <div id="main">
      Hovedside
    </div>
    <div id="bottom">
      <p>Footer</p>
    </div>
  </div>
</body>
</html>