Switching between the outline and full view would maintian a synchronized view between the two views of the document. The tags that are displayed in the outline view should be selectable by the user and be primarily block level tags. The user could use the browser to navigate the outline view links and then move directly to the item in the orginal document by selecting the link. Text only view of page. All non-text information is surpressed.
Alternative text is used for images and objects.
Brief document summary information is displayed on page loading on status. The focus of the hierachy would be highlighted or in a representation compatibel with third party assistive technology. The oultine can be expanded or contracted based on commands from the user. The focus indication should be adjustable by the user, so they can customize it to meet their own capabilities. Focus indication for third party assistive technology to identify the element the browser currently is using as the focus of user commands or viewing.