You can check this out. Maybe this is what you are looking for.
Please ignore post, I have no idea what I am talking about.
Joined: Jan 28, 2004
thanks a lot, Will, for the response. But I've gone through that one. I am rather (?) comfortable with RPC style web services, now i'm having a go at document style, which has got much higher interoperability. But I'm wondering where to start..