<script type="text/javascript" src="silverlight.js"></script>
<script type="text/javascript"  src="wmvplayer.js"></script>

<div id='mediaspace'></div>

<script type='text/javascript'>
 var cnt = document.getElementById('mediaspace');
 var src = '/jw/embed/wmvplayer.xaml';
 var cfg = {height:'250', width:'470', file:"/jw/upload/silverlight.wmv"};
 var ply = new jeroenwijering.Player(cnt,src,cfg);
</script>

http://www.longtailvideo.com/support/jw-player-setup-wizard?example=251