Les envío el código para que analicen si hay algún problema (desde la parte de las tablas).
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Documento sin título</title>
<script src="Scripts/AC_RunActiveContent.js" type="text/javascript"></script>
</head> <body>
<table width="1024" align="center">
<tr>
<td height="156"><script type="text/javascript">
AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0','width','1024','heig ht','156','title','cabecera','src','SWF/Banner','quality','high','pluginspage','http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash','movi e','SWF/Banner' ); //end AC code
</script>
<noscript>
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0" width="1024" height="156" title="cabecera">
<param name="movie" value="SWF/Banner.swf" />
<param name="quality" value="high" />
<embed src="SWF/Banner.swf" quality="high" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="1024" height="156"></embed>
</object>
</noscript>
<script type="text/javascript">
AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0','width','1024','heig ht','37','vspace','0','title','menu','src','SWF/Menu','quality','high','pluginspage','http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash','scal e','noborder','movie','SWF/Menu' ); //end AC code
</script>
<noscript>
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0" width="1024" height="37" vspace="0" title="menu">
<param name="movie" value="SWF/Menu.swf" />
<param name="quality" value="high" />
<param name="SCALE" value="noborder" />
<embed src="SWF/Menu.swf" width="1024" height="37" quality="high" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" scale="noborder"></embed>
</object>
</noscript></td>
</tr>
<tr> </tr>
</table>
</body>
</html>
Saludos!!!!