danke für die rasche antwort.
hab jetzt mal verglichen, mit ist aber nichts aufgefallen.
hier mal mein code:
<HTML DIR=LTR>
<HEAD>
<style type="text/css">
<!--
a { text-decoration:none }
-->
</style>
<TITLE>slide1</TITLE>
</HEAD>
<BODY background="bilder/hintergrund.jpg" bgcolor="#FFFFFF" leftmargin="0" marginheight="0" marginwidth="0" topmargin="0">
<div align="center">
<table width="5%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td><!-- URL's used in the movie--><!-- text used in the movie--><OBJECT classid="clsid

27CDB6E-AE6D-11cf-96B8-444553540000"
codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0"
WIDTH=700 HEIGHT=420>
<PARAM NAME=movie VALUE="slide1.swf">
<PARAM NAME=quality VALUE=high>
<PARAM NAME=bgcolor VALUE=#FFFFFF>
<EMBED src="slide1.swf" quality=high bgcolor=#FFFFFF WIDTH=700 HEIGHT=420 TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></EMBED>
</OBJECT></td>
</tr>
<tr height="17">
<td valign="bottom" height="17">
<div align="right">
<font size="1" color="black" face="Helvetica, Geneva, Arial, SunSans-Regular, sans-serif">systemvoraussetzungen: </font><font color="#330000"><a href="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0"><font size="1" color="red" face="Helvetica, Geneva, Arial, SunSans-Regular, sans-serif">macromedia flash player</font></a></font><font size="1" color="black" face="Helvetica, Geneva, Arial, SunSans-Regular, sans-serif"> | optimale darstellung ab 1024x768 pixel | alle inhalte © </font><font size="1" color="red" face="Times New Roman, Georgia, Times, serif">raumlabo</font><font size="1" color="black" face="Helvetica, Geneva, Arial, SunSans-Regular, sans-serif"><b><i>IR³</i></b></font></div>
</td>
</tr>
</table>
</div>
</BODY>
</HTML>