private String binaryCode(int cellAdress, int nbrVar) {
		byte bt[] = new byte[nbrVar];
		String binaryAdress = "";
		for (int i = 0; i < nbrVar; i++)
			bt[i] = 0;
		if (cellAdress != 0) {
			while (cellAdress != 0) {
				bt[nbrVar - 1] = (byte) (cellAdress % 2);
				cellAdress = cellAdress / 2;
				nbrVar--;
			}
		}
		for (int i = 0; i < bt.length; i++)
			binaryAdress = binaryAdress + bt[i];
		return binaryAdress;

	}