Da ich derzeit die seite nicht online stellen kann, hier der html code:
<!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 content="de" http-equiv="Content-Language" />
<meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
<title>Startseite</title>
<style type="text/css">
@import url('style.css');
</style>
<script type="text/javascript" src="javascript/comic.js"></script>
</head>
<body onload="groeße('comic', 'Comic_Start')">
<div id="Fenster_Praesentation">
<div id="Pfeillinks" >
<img
onmouseover="move_left()"
onmouseout="beende()"
src="links.gif"
id="links"
alt=""
/>
</div>
<div id="Comic_Start">
<img
src="comic.gif"
id="comic"
alt=""
/>
</div>
<div id="Pfeilrechts">
<img
onmouseover="move_right()"
onmouseout="beende()"
src="rechts.gif"
id="rechts"
alt=""
/>
</div>
</div>
</body>
</html>
herzlichen Dank für die Hilfe.