1. A document viewing device for displaying document data divided for each page, said document viewing device comprising: a storage device for storing said document data; a display device; a processing device for performing a process of causing said display device to display a document based on said document data; and an input device for accepting a user operation, said processing device performing a process of generating a viewing history of said document by a user based on said user operation performed for said document displayed on said display device, a process of evaluating relevance to an object displayed on said display device and searching for a page relevant to the object displayed on said display device from pages of said document data, a process of determining based on said viewing history whether the relevant page searched is checked or unchecked, a process of generating a shortcut linked to the relevant page searched and determined to be unchecked, and a process of displaying the shortcut together with the displayed object on the display device.
1. A document viewing device for displaying document data divided for each page, said document viewing device comprising: a storage device for storing said document data; a display device; a processing device for performing a process of causing said display device to display a document based on said document data; and an input device for accepting a user operation, said processing device performing a process of generating a viewing history of said document by a user based on said user operation performed for said document displayed on said display device, a process of evaluating relevance to an object displayed on said display device and searching for a page relevant to the object displayed on said display device from pages of said document data, a process of determining based on said viewing history whether the relevant page searched is checked or unchecked, a process of generating a shortcut linked to the relevant page searched and determined to be unchecked, and a process of displaying the shortcut together with the displayed object on the display device. 3. The document viewing device according to claim 1 , wherein, in said process of searching for a relevant page, said processing device searches for, as said relevant page, a page of the document other than the page displayed on said display device, said page of the document including the object identical to the object included in the page displayed on said display device.