//shows the pop up for an airliner
 public static void ShowPopUp(AirlinerType type)
 {
     PopUpAirlinerImage window = new PopUpAirlinerImage(type);
     window.ShowDialog();
 }
        //shows the pop up for an airliner
        public static void ShowPopUp(AirlinerType type)
        {
            PopUpAirlinerImage window = new PopUpAirlinerImage(type);

            window.ShowDialog();
        }