protected static function getReferrerOwnList($Bot_Referrer_List = false)
    {
        if (false === $Bot_Referrer_List)
        {
            return false;
        }
        
        $found = false;
        $botreferrerlist = array();
        
        // include bot-referrer-list $botreferrerlist
        if (file_exists($Bot_Referrer_List))
        {
            include($Bot_Referrer_List);
        }
        else
        {
            return false;	// no definition, no search
        }
        return $botreferrerlist;
    }