With the ubiquity of web browsers, increasingly the Web is being used as a platform-independent application environment. Also, the current trend of using software as a service has led to an increase in the development and use of Web (or hosted) applications. Now, more recently, the opportunities of rich Internet applications (Web 2.0 and otherwise) offer up new design issues and solutions. But despite the pervasiveness of Web Applications, there are no standards for their design--unlike the standards offered by Windows or Macintosh platforms, for instance. So there are limited restrict