INET on Mac, ISTAR on Unix

We have BrioQuery on our Macs and are now deciding on MiddleWare to use to connect to HP9000/832 Unix box running Informix Online 5.0. For middleware we are deciding between DAL and Informix INET/ISTAR. After 2 months and a comedy of errors we got DAL working. The big problem with it is we can not access more that one database at the same time. I can even run BrioQuery over the internet while at the same time access the Informix database over the internet from the same Mac. We have also gotten the INET/ISTAR middleware to work. The immediate problem with it is that when accessing one database the 'Table Full Names' window on the Mac shows 2 entries for each table. When I cliq on 'Display Full Names' it shows them as: gradsch.informix.calendar student.informix.calendar etc where gradsch and student are the 2 databases that we work with most. The calendar table is actually in the gradsch database. I haven't been able to access more than one database at a time and we were hoping that it would be able to access multiple databases simultaneously. Also, we cannot get this to work at all when running BrioQuery and INET to the Unix box over the internet from the same Mac. The internet in both is accessed via 10-base-t. So, if anyone can tell me why each table displays twice or how to access multiple databases simultaneously I would appreciate it.