private boolean hasNameChanged()
	{
		String prevName = _point.getWaypointName();
		String newName = _nameField.getText().trim();
		boolean prevNull = (prevName == null || prevName.equals(""));
		boolean newNull = (newName == null || newName.equals(""));
		return (prevNull && !newNull)
			|| (!prevNull && newNull)
			|| (!prevNull && !newNull && !prevName.equals(newName));
	}