lisBVs.removeAll();
((DefaultListModel) lisBVs.getModel()).removeAllElements();
    private void refreshBVs() {        final boolean useBv = chkBV.isSelected();        final boolean useCost = chkCost.isSelected();        lisBVs.removeAll();        for (Enumeration i = client.getPlayers(); i.hasMoreElements();) {            final Player player = (Player) i.nextElement();            if (player == null) {                continue;            }            float playerValue = 0;            for (Enumeration j = client.getEntities(); j.hasMoreElements();) {                Entity entity = (Entity) j.nextElement();                if (entity.getOwner().equals(player)) {                    if (useBv)                        playerValue += entity.calculateBattleValue();                    else if (useCost) {                        playerValue += entity.getCost();                    } else {                        playerValue += entity.getWeight();                    }                }            }            if (useBv) {                lisBVs.add(player.getName() + Messages.getString("ChatLounge.BV") + (int) playerValue); //$NON-NLS-1$            } else if (useCost) {                lisBVs.add(player.getName() + Messages.getString("ChatLounge.Cost") + (int) playerValue);            } else {                lisBVs.add(player.getName() + Messages.getString("ChatLounge.Tons") + playerValue); //$NON-NLS-1$            }        }    }