public void actionPerformed(ActionEvent event)
		{
			if (!nameField.getText().isEmpty() && !emailField.getText().isEmpty() && !phoneField.getText().isEmpty() 
					&& !addressField.getText().isEmpty() && !ccNumField.getText().isEmpty() && !ccDateField.getText().isEmpty()
					&& !ccSecCodeField.getText().isEmpty() && !sellerIPAddressField.getText().isEmpty())
			{
				requiredFields=0;
				sendPurchaseInfo();
			
				if (purchaseConfirmed == PURCHASE_SUCCESS)
				{
					confirmationScreen();
				}else if (purchaseConfirmed == PURCHASE_FAIL_HOSTNAME_ERROR || purchaseConfirmed == PURCHASE_FAIL_IO_ERROR)
				{
					failureScreen();
				}
			}else
			{
				requiredFields++;
				checkoutScreen();
			}
		}