[erledigt] youtube-Video spielt in firefox nicht ab

<script language="JavaScript">
var ver = navigator.appName;
if (ver == "Microsoft Internet Explorer") {
document.write('<object height="393" width="470" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"><param value="http://www.myvideo.de/movie/XXXXX" name="movie" /></object> ');
}else{
document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="470" height="393"><param name="movie" value="http://www.myvideo.de/movie/XXXXX"></param><embed src="http://www.myvideo.de/movie/XXXXX" width="470" height="406" type="application/x-shockwave-flash"></embed></object>');
}
</script>