Image display device and controlling method thereof

A method of controlling an image display device, the method comprising:

• displaying, via a touchscreen display, information;
• receiving, via a controller, a request to display a touch input window on the touchscreen display;
• displaying, via the touchscreen display, the touch input window with a predetermined transparency while maintaining the information displayed on the touchscreen display based on the received request, said touch input window including a pad region for controlling a pointer displayed on the touchscreen display;
• moving, via the controller, the pointer displayed on the touchscreen display in accordance with a touch movement on the pad region of the touch input window;
• selecting and executing, via the controller, an application corresponding to a display object displayed on the touchscreen display when the pointer is displayed on the display object and an execute command is received;
• and
• disappearing the point from the touchscreen display, and selecting and executing, via the controller, the application corresponding to the display object when a touch direct input of the display object is received.