Hi, I have just implemented a simple callback mechanism for links. It was done straight forward and within less than an hour. So don't expect it to be bug-free and well tested. There is also no support for forms yet, but that will be fairly easy to add. If you want to see a very simple example, have a look at the class CallbackDemo. To see the result start a new server and go to the following page: http://localhost:8080/?action=CallbackDemo Clicking on the links will show the strings in your transcript. Nothing really new, but we gain much abstraction over the low-level request-response protocol, that has been used (and it is still used) everywhere in the actions. The second example is just to show how easily it is possible to change the server configuration using callbacks. Cheers Lukas -- Lukas Renggli http://renggli.freezope.org