public boolean checkField() {
		Customer customer = this.customers.get(0);
		//Check obligatory fields
		if (customer.getName().isEmpty() || customer.getPublicId().isEmpty() || customer.getStreet().isEmpty()
						|| customer.getCity().isEmpty() || customer.getPostalCode().isEmpty() || customer.getCountry() == 0
						|| customer.getEmail().isEmpty()) {
			return false;
		} else {
			return true;
		}
	}