Since they are not lookups, take a look first at this utility:
https://spservices.codeplex.com/wikipage?title=$%28%29.SPServices.SPDisplayRelatedInfo&referringTitle=Documentation
It may already do what you want... and if it does not, then by looking at the code, you may be able to change it to do what you really want.
Good luck.
Good luck.
_________
Paul T
Paul T