1. A method that alters a view of a document comprising: providing on a display of a computer processing device an editing view of a document at a zoom level such that input from a user can be received to edit content of the document; receiving a first input from the user requesting to zoom-out the editing view of the document from the zoom level; testing whether a resulting zoom level of the document is less than a threshold zoom level; altering the view of the document to provide a semantic zoom view of the document in response to determining the resulting zoom level is less than the threshold zoom level, wherein the semantic view of the document provides a plurality of thumbnails pages on the display and a heading pane comprising a plurality of headings contained in one or more pages of the document; receiving a second input from the user indicating a selection of one of the plurality of headings in the heading pane; and providing on the display of the computer processing device a subset of the plurality of thumbnail pages in the thumbnail pane in response to receiving the second input, wherein the subset of the plurality of thumbnail pages comprises a thumbnail page corresponding to the selection of one of the plurality of headings in the heading pane and a plurality of and preceeding and succeeding thumbnail pages to the thumbnail page.
1. A method that alters a view of a document comprising: providing on a display of a computer processing device an editing view of a document at a zoom level such that input from a user can be received to edit content of the document; receiving a first input from the user requesting to zoom-out the editing view of the document from the zoom level; testing whether a resulting zoom level of the document is less than a threshold zoom level; altering the view of the document to provide a semantic zoom view of the document in response to determining the resulting zoom level is less than the threshold zoom level, wherein the semantic view of the document provides a plurality of thumbnails pages on the display and a heading pane comprising a plurality of headings contained in one or more pages of the document; receiving a second input from the user indicating a selection of one of the plurality of headings in the heading pane; and providing on the display of the computer processing device a subset of the plurality of thumbnail pages in the thumbnail pane in response to receiving the second input, wherein the subset of the plurality of thumbnail pages comprises a thumbnail page corresponding to the selection of one of the plurality of headings in the heading pane and a plurality of and preceeding and succeeding thumbnail pages to the thumbnail page. 2. The method of claim 1 , wherein the editing view of the document displays a menu bar of editing commands on the display that alters content of the document, and wherein in the semantic zoom view removes the menu bar of editing commands on the display.