Öffne mal deine index.php und ab Zeile 105 solltest du folgendes finden.
Da musst du die Breitenangaben anpassen.
$fullwidthStart = "<table border=\"0\" width=\"{$theme['tablewidth']}\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"><tr><td align=\"left\" valign=\"top\"><script language=\"javascript\" type=\"text/javascript\" src=\"{$config['phpurl']}/pals/java/javapal.php\"></script>";<br /> $leftcolstart = "<table border=\"0\" width=\"{$theme['tablewidth']}\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"><tr><td width=\"$leftcolwidth\" align=\"left\" valign=\"top\"><script language=\"javascript\" type=\"text/javascript\" src=\"{$config['phpurl']}/pals/java/javapal.php\"></script>";<br /> $midcolstart = "</td><td><table width=\"15\"><tr><td></td></tr></table></td><td width=\"$centercolwidth\" align=\"left\" valign=\"top\">";<br /> $rightcolstart = "</td><td><table width=\"15\"><tr><td></td></tr></table></td><td width=\"$rightcolwidth\" align=\"left\" valign=\"top\">";<br /> $widerightcolstart = "</td><td><table width=\"15\"><tr><td></td></tr></table></td><td width=\"$widerightwidth\" align=\"left\" valign=\"top\">";<br /> $endcolumns = "</td></tr></table>";