http://home.vicnet.net.au/~kwgow/crossovers.html
It doesn't seem like it... it must be a nightmare to update. I see that the US and UK versions of the office are very far apart on the big jpeg:
(See top left-middle, coming out of LOST and just left of the middle, coming out of Las Vegas.)
...and now it's clear that they're part of the same universe. I wouldn't even know how to begin updating the jpeg...
--
It sure beats fighting with the foes all the time,
But I gotta do it, they always stay outta line.