Driver myDriver = (Driver) d.getDriver(row);
IDriver myDriver = (IDriver) d.getDriver(row);
	public Object getValueAt (int row, int col) {	    Driver myDriver = (Driver) d.getDriver(row);	    if (col == DRIVER_NAME) {		return (d.getManufacturerName() + " " + d.getModelName() + " "			+ myDriver.getPatchType());	    } else if (col == TYPE) {		if (myDriver instanceof Converter)		    return "Converter";		else		    return "Driver";	    } else {		//  AUTHORS		return myDriver.getAuthors();	    }	}