private CarType carSizeParse(String a) {
		
		if (a.equals(CarType.CONVERTIBLE.toString())) {
			return CarType.CONVERTIBLE;
		}else
		if (a.equals(CarType.COUPE.toString())) {
			return CarType.COUPE;
		}else
		if (a.equals(CarType.HATCHBACK.toString())) {
			return CarType.HATCHBACK;
		}else
		if (a.equals(CarType.LIMOUSINE.toString())) {
			return CarType.LIMOUSINE;
		}else
		if (a.equals(CarType.PICK_UP.toString())) {
			return CarType.PICK_UP;
		}else
		if (a.equals(CarType.SUV.toString())) {
			return CarType.SUV;
		}else
		if (a.equals(CarType.VAN.toString())) {
			return CarType.VAN;
		}else			
		if (a.equals(CarType.SPORT.toString())) {
			return CarType.SPORT;
		}else {
			return null;
		}
	}