static function parameterSet( $fileName = 'site.ini', $rootDir = 'settings', &$section, &$parameter )
    {
        if ( !eZINI::exists( $fileName, $rootDir ) )
            return false;

        $iniInstance = eZINI::instance( $fileName, $rootDir, null, null, null, true );
        return $iniInstance->hasVariable( $section, $parameter );
    }