OK, grazie. Metto qui a seguire il codice HTML e quello dei CSS..
Spero che veramente possiate capire l'errore..
GRAZIE ANCORA!

HTML:

<!DOCTYPE html PUBLIC "> <head> <title>Edilpansrl - Home Page</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" href="mm_edilpan.css" type="text/css" /> <style type="text/css"> </style> <script src="Scripts/AC_RunActiveContent.js" type="text/javascript"></script> </head> <body><table width="137%" border="0"> <tr> <td><table width="99%" border="0"> <tr> <td colspan="3"><table width="1000" border="0"> <tr> <td>[img]IMG/Barra-titolo.jpg[/img]</td> </tr> </table></td> </tr> <tr> <td colspan="3"><table width="1000" border="0"> <tr> <td>[img]IMG/barra-piccola-home.jpg[/img]</td> </tr> </table></td> </tr> <tr> <td width="41%"><table width="400" border="0"> <tr> <td><script type="text/javascript"> AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0','width','400','heigh t','250','align','top','src','SWF/flashmenu1000','quality','high','pluginspage','htt p://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash','movi e','SWF/flashmenu1000' ); //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="400" height="250" align="top"> <param name="movie" value="SWF/flashmenu1000.swf"> <param name="quality" value="high"> <embed src="SWF/flashmenu1000.swf" width="400" height="250" align="top" quality="high" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash"></embed> </object> </noscript> </td> </tr> </table> <table width="411" border="0"> <tr> <td>[img]IMG/spazio1.jpg[/img]</td> </tr> </table></td> <td width="50%"><script type="text/javascript"> AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0','width','500','heigh t','400','src','SWF/chi siamo','quality','high','pluginspage','http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash','movi e','SWF/chi siamo' ); //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="500" height="400"> <param name="movie" value="SWF/chi siamo.swf"> <param name="quality" value="high"> <embed src="SWF/chi siamo.swf" quality="high" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="500" height="400"></embed> </object></noscript></td> <td width="9%"><table width="89" border="0"> <tr> <td width="83">[img]IMG/latohome.jpg[/img]</td> </tr> </table></td> </tr> <tr> <td colspan="3"><script type="text/javascript"> AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0','width','998','heigh t','15','src','SWF/BARRANOTELEGALI','quality','high','pluginspage','h ttp://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash','movi e','SWF/BARRANOTELEGALI' ); //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="998" height="15"> <param name="movie" value="SWF/BARRANOTELEGALI.swf"> <param name="quality" value="high"> <embed src="SWF/BARRANOTELEGALI.swf" quality="high" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="998" height="15"></embed> </object> </noscript> </td> </tr> </table> </td> </tr> </table> </body> </html>

CSS:
/* Global Styles */ body { margin:0px; } td { font:11px arial; color:#99CCFF; } hr { height:1px; color: #cccccc; border: none; } a { color: #CC3300; text-decoration:underline; } a:hover { color: #FDB120; text-decoration:none; } /* ID Styles */ #navigation a { font:11px arial; color: #99CCFF; font-weight:bold; text-decoration: none; letter-spacing:.1em; line-height:16px; display:block; padding:10px; border: 1pt solid rgb(20,40,95); border-right-width: 0px; border-left-width: 0px; } #navigation a:hover { color:#ffffff; border: 1pt dotted red; border-right-width: 0px; border-left-width: 0px; } #sidebarHeader { padding: 0px 4px 14px 4px; } #logo { font:24px arial black; color: #FDB120; line-height:24px; letter-spacing:.4em; } #tagline { font:24px arial; color: #333366; line-height:18px; letter-spacing:.4em; } #dateformat a { color:#99CCFF; font:11px arial; color: #666666; letter-spacing:.2em; text-decoration:none; font-weight:bold; } #dateformat a:hover { color: #ffffff; } /* Class Styles */ .bodyText { font:11px arial; color:#ff0000; top margin:0px } .pageName{ font:22px arial; color: #FDB120; line-height:20px; letter-spacing:.1em; } .subHeader { font:16px arial; color: #CC3300; font-weight:bold; letter-spacing:.1em; line-height:16px; } .sidebarHeader { font:14px arial; color: #99CCFF; font-weight:bold; letter-spacing:.1em; line-height:16px; } .detailText { font:11px arial; color:#ffffff; line-height:16px; letter-spacing:.1em; } .smallText { font:10px arial; color:#99CCFF; }