public boolean isCellEditable(int row, int col) {
		switch (col) {
		case 1:
			return true;
		case 5:
			return true;
		case 16:
			return true;
		case 17:
			return true;
		case 18:
			return true;
		case 23:
			return true;
		case 20:
			return true;
		case 21:
			return true;
		default:
			return false;
		}
	}