39. The method according to claim 38 , wherein the proportional distance criteria includes displaying the plurality of thumbnails in proportional size in accordance with a distance in pages from the current page.
39. The method according to claim 38 , wherein the proportional distance criteria includes displaying the plurality of thumbnails in proportional size in accordance with a distance in pages from the current page. 40. The method according to claim 39 , wherein at least one of the thumbnails of the first and second documents and the current page displayed on the integrated display includes a portable document file (pdf) document from a website.