This paper introduces a novel user interface designed to mitigate some of the usability problems in mobile web access. The interface consists of two side-by-side panels for representing a richly-formatted document (e.g. a web page). In one panel is a “wide angle” view of the entire document, partitioned into regions. In the other panel is a “zoomed in” view of the currently-active region. We describe a prototype system, called CENTAUR, which automatically and in real-time reformats electronic documents into this side-by-side view.