search for: check_not_empty

Hi, I''ve just been having a look at the scriptaculous drag-n-drop library, which looks exceedingly good. I''m running across a show-stopper here, though - something that''s cropping up in both the online demos and my own test scripts. If I set up two lists so that I can drag items between them, then if either list becomes empty, I can''t drag elements back into