I already browsed through those folders and I'm sure all frames of the emoticons are present that's why I suggested putting them together in the first place... it might be too much trouble, but some emoticons I had were pretty rare
so if its a common thing to switch from gif to png and vice versa for whatever the reasons, then I think there must be a software out there which should be able to do it fast
I just found one such software... I hope its not fake
http://www.reasoft.com/rea-png-change-gif.shtml
another the task of manually putting the png images in order remains...
I just hope quality is not lost at the end!