A display device may include a display unit, a touch detecting unit that detects a touch on the display unit, a touch-position detecting unit that detects a touch position on the touch detecting unit and outputs coordinate data of the position, a display control unit that causes the display unit to provide dual view display of an image and display a menu image, a menu generating unit that generates first and second top menus, and a control unit that performs control to display the top menus in different positions on a screen of the display unit, to determine, on the basis of the coordinate data from the touch-position detecting unit, which of the top menus has been touched, to enable operations on one of the top menus that has been touched, and to disable operations on the other one of the top menus.