JSON is a very useful output for JavaScript. As an output that is specifically built for the same programming language, it is expected that it could work without any problem with JavaScript and Ajax based applications. Although there is still browser incompatibilities expected from JavaScript and Ajax based applications, it should be expected that almost any function by JavaScript especially on DOM could be well received by JSON. With the compatibility provided by JSON, the options are almost endless when they are properly developed with JavaScript. Ease of user interaction and even increased security could be expected if they were just done right. But the interaction with