private boolean checkInput() throws Exception{
		if(txtFirstName.getText().compareTo("") == 0 || txtLastName.getText().compareTo("") == 0
				|| txtAddress.getText().compareTo("") == 0 || txtCity.getText().compareTo("") == 0
				|| txtState.getText().compareTo("") == 0 || txtZip.getText().compareTo("") == 0 
				|| txtPhone.getText().compareTo("") == 0){
			throw new Exception("All fields are required");
		}
		return true;
	}