ActionScript for Flash MX: The Definitive Guide, 2nd Edition By Colin Moock
Chapter 18. ActionScript Language Reference
MovieClip.onDragOut( ) Event Handler
Flash 6
Button event; occurs when mouse is pressed over the clip and then moves off the clip
mc.onDragOut() on (dragOut) { statements }
Description
The onDragOut( ) event handler is identical to the Button.onDragOut( ) event, except that it can also be applied to movie clip instances (though not main movies such as _root, _level0, etc.). For details, see Button.onDragOut( ) and Section 13.9.