public static MaplePacket messengerInvite(String from, int messengerid) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();
        mplew.writeShort(SendPacketOpcode.MESSENGER);
        mplew.write(0x03);
        mplew.writeMapleAsciiString(from);
        mplew.write(0x00);
        mplew.writeInt(messengerid);
        mplew.write(0x00);
        return mplew.getPacket();
    }