Screen transition control device and method

A history information storage unit (104) stores screen history information while a display data storage unit (105) stores display data for displaying the screen. Moreover, a screen transition controlunit (103) controls the screen transition. Even when screen display data is discarded, a screen transition control device (102) holds a history of the screen by storing the screen state of the screenwhere the display data is discarded, as a discard state in the history information storage unit (104).