public static byte[] IntroEnableUI(int enable) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

            mplew.writeShort(SendPacketOpcode.INTRO_ENABLE_UI.getValue());
            mplew.write(enable > 0 ? 1 : 0);
            if (enable > 0) {
                mplew.writeShort(enable);
            } else {
            	mplew.write(enable < 0 ? 1 : 0);
            }


            return mplew.getPacket();
        }