GnuJsp 1.0 with IIS/iServer: how to process .jsp?

[Michel & Anke <michel.anke@wolmail.nl>]

I have the following configuration up and running:
(actually 2, but both show same problem)
NT4SP3/5
IIS/PWS on port 80
Servertec's iServer 1.1.7 on port 8080
GnuJsp 1.0

iServer is mounted in IIS on /servlet

This works fine for servlets and .jsps IF accessed through port 8080
(directly on the iServer servlet engine). It also works fine for
servlets through IIS (using port 80). 

The following URLs work fine on my system:
http://localhost:8080/examples/date.jsp

http://localhost:8080/servlet/HelloServlet
http://localhost/servlet/HelloServlet
(last two are same servlet, through different server)

How can I make the date.jsp work through IIS on port 80? 

Hopefully someone can help me out! (BTW, if I have this fully up and
running, I would be quite willing to write a piece of documentation on
this particular configuration.)

You can mail me on michel.anke@wolmail.nl;rdgr@oce.nl (please mail me on
both addresses).

Michel de Groot