protected String getbyte(int var, int num)
    {
        try {
        if(num == 2){
            int b1 = var & 0xff;
            int b2 = (var >> 8) & 0xff;
            byte[] varbyte = {(byte)b1,(byte)b2};
            return new String(varbyte,"ISO8859-1");
        } else if(num == 4){
            int b1 = var & 0xff;
            int b2 = (var >> 8) & 0xff;
            int b3 = (var >> 16) & 0xff;
            int b4 = (var >> 24) & 0xff;
            byte[] varbyte = {(byte)b1,(byte)b2,(byte)b3,(byte)b4};
            return new String(varbyte,"ISO8859-1");
        }
        } catch (Exception e){

        }
        return null;
    }