switch ($pageLang) {
        case 'pl':
            $clang = "lang_pl";
            $langs = array('en' => 'lang_en', 'br' => 'lang_br', 'se' => 'lang_se');
            break;
        case 'en':
            $clang = "lang_en";
            $langs = array('pl' => 'lang_pl', 'br' => 'lang_br', 'se' => 'lang_se');
            break;
        case 'br':
            $clang = "lang_br";
            $langs = array('pl' => 'lang_pl', 'en' => 'lang_en', 'se' => 'lang_se');
            break;
        case 'se':
            $clang = "lang_se";
            $langs = array('pl' => 'lang_pl', 'en' => 'lang_en', 'br' => 'lang_br');
            break;
        default:
            exit("Lang system error. Report this to administrator.");
            break;
    }