public void actionPerformed(ActionEvent e) {
			if (phoneSet == null) {
				return;
			}
			try {
				if (phoneSet.previous()) { // If another phone exists...
					curPhone = phoneSet.getString(1);
					curPhoneTF.setText(curPhone); // Output the phone
				}
				
				// Reset the other arrow button if it's disabled
				if (!rightPhoneBtn.isEnabled()) {
					rightPhoneBtn.setEnabled(true);
				}
				
				// Disable the button if the end of the result set is reached
				if (phoneSet.isFirst()) {
					leftPhoneBtn.setEnabled(false);
				}
			} catch (SQLException e1) {
				System.err.println("LeftPhoneListener Error");
			}
		}