         }
         
         private function onMouseWheel(event : MouseEvent) : void {
-            
-            trace ("event.target=", event.target);
             if (!(DisplayObjectContainer(list).contains(DisplayObject(event.target)) && event.isDefaultPrevented())) {
                 hidePopUp();
             }

                case Keyboard.PAGE_DOWN: 
                    list.focusListUponKeyboardNavigation(event);                                     			
                    break;                   
                case Keyboard.ENTER:
                    acceptCompletion();
                    break;
                case Keyboard.TAB:
                case Keyboard.ESCAPE:

        
        private function acceptCompletion() : void {            
            var proposedSelectedItem : Object;            
            if (_collection &&
                _collection.length > 0 && 
                list.selectedIndex >= 0) {
                _completionAccepted = true;
                proposedSelectedItem = _collection.getItemAt(list.selectedIndex);
            }
