private void initTradeElement(){										// Cree 5 TradeElement ( des JPanel contenant 2 paire de +/- et des labels indiquant les quantites echange )
		for (int i=0;i<5;i++)
	    {
			
			switch(i)													// Correspondance entier-ressource : 0 = bois ; 1 = mouton ; 2 = ble ; 3 = argile ; 4 = minerai.
			{																	
				case 0:
					tradeElement[i] = new TradeElement("Biere",model.getActivePlayer().getRessource(i),model.getPlayer(nameSelectedPlayer).getRessource(i),controlerBank); 
					center.add(tradeElement[i]);
					break;
				case 1:
					tradeElement[i] = new TradeElement("Cafe",model.getActivePlayer().getRessource(i),model.getPlayer(nameSelectedPlayer).getRessource(i),controlerBank);
					center.add(tradeElement[i]);
					break;
				case 2:
					tradeElement[i] = new TradeElement("Cours",model.getActivePlayer().getRessource(i),model.getPlayer(nameSelectedPlayer).getRessource(i),controlerBank);
					center.add(tradeElement[i]);
					break;
				case 3:
					tradeElement[i] = new TradeElement("Nourriture",model.getActivePlayer().getRessource(i),model.getPlayer(nameSelectedPlayer).getRessource(i),controlerBank);
					center.add(tradeElement[i]);
					break;
				case 4:
					tradeElement[i] = new TradeElement("Sommeil",model.getActivePlayer().getRessource(i),model.getPlayer(nameSelectedPlayer).getRessource(i),controlerBank);
					center.add(tradeElement[i]);
					break;
				default:
					tradeElement[i] = new TradeElement("Erreur",model.getActivePlayer().getRessource(i),model.getPlayer(nameSelectedPlayer).getRessource(i),controlerBank);
					center.add(tradeElement[i]);
			}
			
	    }
	}