You could try to use Virtual PC and then run the Mt. Rainer software on it.
Although it is quite pricy, $219 for XP home edition, but if your friend already has it i would give it a shot.
I couldnt find the software that just reads the cds on mac. They have listed the readdvd for mac and i would assume it read the cds too. I couldnt get the page to load with the description though. Go here