before </HEAD>:

<link rel="stylesheet" href="supersize.css" type="text/css" media="screen" />
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="supersized.js"></script>
<script type="text/javascript">
$(function(){
$.fn.supersized.options = {
startwidth: 1200, 
startheight: 800, 
vertical_center: 1,
slides : [{image : 'bgpic.jpg' }]};
$('#supersized').supersized();});
</script>


nach <BODY>:

</div></div><!--Slides--><div id="supersized"></div>    <script src="jquery.js" type="text/javascript" id="jquery"></script>    <script src="supersized.js" type="text/javascript" id="supersized"></script>
    <script src="jquery.js" type="text/javascript" id="jquery"></script>
    <script src="supersized.js" type="text/javascript" id="supersized"></script>
   

