Way back in chapter 8 there is some discussion of AJAX (Asynchronous JavaScript And XML). 

To get the most from this book, go to the booksite listed above and look around. The few errata 

are being captured and the Code Archive is updated as errors are corrected. 

Are you interested in making reusable modular image rollovers, providing dynamic feedback to 

viewers, creating AJAX signup forms that can be corrected before submission, or self suggesting 

drop down menus? Get a grip with Stuart Langridge's latest book on Modern Web Design. 

  MPN, LLC 2005 macCompanion 

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August 2005, Volume 3 Issue 8