Enterprises are challenged to surface performance and load issues, regression and functional issues, and to accomplish business service monitoring in Rich Internet Application (RIA) environments that use Ajax technology. Successful Internet applications - Google Docs, Flikr, Facebook, and Google Maps - are driving users and managers to expect Ajax functions in an organization's Web applications. For instance, the following Calendar application has the look-and-feel of a desktop application, but it is running entirely in a Web browser.