I have no problem with it so I consider its implementation to be completed. Nevertheless, if you have any problem with it, please let me know.

Here you can find the sources. License terms are GPL 2.0.

The Lopica projects distributes the sources of the WebStartEx project. They can be found under the name "webstart-wrapper" there: http://sourceforge.net/projects/lopica

I still retain a copy of the WebStartex source code here: WebStartEx.zip (July 19, 2003)