public void updatecounter(L2Character player, L2Character monster)
    {
        if ((player instanceof L2PcInstance) && (monster instanceof L2MonsterInstance))
        {
          int class = player.getClassId();
          if ((class = 28) || (class = 41))
          {
            L2Summon pet = player.getPet();
            L2PcInstance killer = (L2PcInstance) player;

            if ((_validation.get(killer.getObjectId()) != null) || (_validation.get(pet.getObjectId()) != null))
            {
                return;
            }

            int count = 1;
            if (_monsterscounter.get(killer.getObjectId()) != null)
            {
                count = _monsterscounter.get(killer.getObjectId()) + 1;
            }

            if (_monsterscounter.get(pet.getObjectId()) != null)
            {
                count = _monsterscounter.get(pet.getObjectId()) + 1;
            }
            int next = _randomize.nextInt(Config.KILLS_COUNTER_RANDOMIZATION);
            if (Config.KILLS_COUNTER + next < count)
            {
                validationtasks(killer);
                _monsterscounter.remove(killer.getObjectId());
            }
          }
          else
          {
                _monsterscounter.put(killer.getObjectId(), count);
            }
         else
         {
            L2PcInstance killer = (L2PcInstance) player;

            if (_validation.get(killer.getObjectId()) != null)
            {
                return;
            }

            int count = 1;
            if (_monsterscounter.get(killer.getObjectId()) != null)
            {
                count = _monsterscounter.get(killer.getObjectId()) + 1;
            }

            int next = _randomize.nextInt(Config.KILLS_COUNTER_RANDOMIZATION);
            if (Config.KILLS_COUNTER + next < count)
            {
                validationtasks(killer);
                _monsterscounter.remove(killer.getObjectId());
            }
            else
            {
                _monsterscounter.put(killer.getObjectId(), count);
            }
         }
        }
    }