public static byte[] guildEmblemChange(int gid, short bg, byte bgcolor, short logo, byte logocolor) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

            mplew.writeShort(SendPacketOpcode.GUILD_OPERATION.getValue());
            mplew.write(73);
            mplew.writeInt(gid);
            mplew.writeShort(bg);
            mplew.write(bgcolor);
            mplew.writeShort(logo);
            mplew.write(logocolor);


            return mplew.getPacket();
        }