Page image displaying device

摘要

A page image displaying device includes a display control portion configured to keep displaying, when a designated region is set, and when a touch-sensitive panel detects a touch action of giving a command to changes pages to be displayed from one to another, a page image of a first page in a region other than the designated region of a page display region in which the page image is displayed, and, to change partly what is displayed in the page display region in a manner to display a part of a page image of a second page of the document in the designated region, said part corresponding to a part in position in the designated region of the page image of the first page.