Hi Harold,
I'm glad you found a solution for this. So far the only approach I have seen to achieve this kind of scenarios is the one mentioned byGlenn Block in this blog post:
On the other hand, if you have found a different approach to achieve this functionality, perhaps you could share it with the rest of the community, as it might be useful for other users pursuing similar scenarios.
Best Regards,
Agustin Adami
http://blogs.southworks.net/aadami