It depends how you want to change them... What do you want to change? The fact that you can select with them? Move objects? Use items?... If that's the case I think not. Some part of the code is written, at least I beleive so, on OnClick events. So each time you click on an item for example, it updates the graphics so it looks as if you had grabed it. That, of course, is just waht I think, not sure