         // we'll be leaked.
         if (_popUp) {
             PopUpManager.removePopUp(_popUp);
-            _popUp = null;
         }
     }
     

                               ? -_popUp.height - 2
                               : _popUp.height + 2);
            initY = 0;
            showingPopUp = show;
            duration = getStyle("closeDuration")
            easingFunction = getStyle("closeEasingFunction") as Function;
        }

        }
        else
        {
            showingPopUp = show;
            
            if (_popUp.parent == null)
                return;

            point = _popUp.parent.globalToLocal(point);

            endY = (point.y + _popUp.height > screen.height && 
