A compact permanent magnet structure is provided to produce a uniform magnetic biasing field confined to an internal cavity of a cylindrical magnetic flux source which eliminates the drawbacks, shortcomings, limitations and difficulties associated with an elongated magic ring. A despreader is coupled to the first converter for despreading the parallel sequence to derive a group of symbols. The apparatus has an event handling device for applying a plurality of rules; an event log with a plurality of log entries, and a hash value appender for appending a hash value log entries. The web page is transformed into a style that is accessible for that particular user, such as magnifying the page, reformatting background schemes, etc.