KoolAjax is simple and easy-to-use PHP Ajax Framework, facilitating data exchange between server-side and client-side. KoolAjax also provides number of client-side utility functions to ease developing task. Furthermore, with UpdatePanel, a special feature of KoolAjax, developers can create a great ajax application without javascript knowledge.Using KoolAjax, you will be amazed with its power and simplicity. Some highlighted features: (1) Cross-browser compatible. (2) Simple PHP interface. (3) Support simultaneous AJAX requests. (4) Many client-side utility functions. (5)Creating ajax callback as easy as normal postback.