Try this one out. It's Error's, is active, but is biased to point & click style gameplay inventory. Maybe something can be learned. It's in German but there's an English translation in the thread:

http://www.coniserver.net/ubbthreads/showflat.php?Cat=&Board=UBB3&Number=350524

My User Contributions master list - my initial post links are down but scroll down page to find list to active links