Fullscreen Flash in firefox?

http://www.kirupa.com/developer/mx2004/fullscreen.htm

^^It looks fine in Internet Explorer but in mozilla firefox the site isn’t centered.

Does anyone how I can edit it for Mozilla?

code: <!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> <html xmlns=“http://www.w3.org/1999/xhtml” xml:lang=“en” lang=“en”> <head> <meta http-equiv=“Content-Type” content=“text/html; charset=iso-8859-1” /> <title>BEVERLEY KNIGHT</title> </head> <body bgcolor="#ffffff"> <style type=“text/css”> <!-- body { height: 100%; width: 100%; margin: 0; } --> </style> <!–url’s used in the movie–> <!–text used in the movie–> <object classid=“clsid:d27cdb6e-ae6d-11cf-96b8-444553540000” codebase=“http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0” width=“100%” height=“100%” id=“myfile” align=“middle”> <param name=“allowScriptAccess” value=“sameDomain” /> <param name=“movie” value=“voice.swf” /> <param name=“quality” value=“high” /> <param name=“scale” value=“noscale” /> <param name=“bgcolor” value="#ffffff" /> <embed src=“voice.swf” quality=“high” scale=“noscale” bgcolor="#ffffff" width=“100%” height=“100%” name=“myfile” align=“middle” allowScriptAccess=“sameDomain” type=“application/x-shockwave-flash” pluginspage=“http://www.macromedia.com/go/getflashplayer” /> </object> </body> </html>