public static boolean isValidLanguageVersion(int version)
    {
        switch (version) {
            case VERSION_DEFAULT:
            case VERSION_1_0:
            case VERSION_1_1:
            case VERSION_1_2:
            case VERSION_1_3:
            case VERSION_1_4:
            case VERSION_1_5:
            case VERSION_1_6:
            case VERSION_1_7:
                return true;
        }
        return false;
    }