DEVICE AND METHOD FOR BOOK TYPE INFORMATION AND COMPUTER-READABLE RECORDING MEDIUM WHERE PROGRAM IS RECORDED

摘要

PROBLEM TO BE SOLVED: To impose natural restrictions on user operation by an operating means which is easy for a user to understand by display page information and control information as a layout. SOLUTION: The control information E is displayed in or inputted to a background area 1 appearing on a display means when a book A is closed. The background area 1 is hidden when the book A is open and the user can not operate it, so control items which desire to be inhibited when the book A is opened are arranged suitably in this area. A button F, on the other hand, is outside the background area 1, so it is not hidden when the book A is opened. For the purpose, control items, for example, for turning over pages forward and backward that the user can always operate are arranged suitably. Thus, natural restrictions are imposed on user operation depending upon whether the book A is closed or opened and the permission and inhibition states of control over the user can be switched.