 import mx.events.FlexEvent;
 import mx.events.FlexMouseEvent;
 import mx.events.ListEvent;
+import mx.events.MarshalMouseEvent;
 import mx.events.ScrollEvent;
 import mx.events.ScrollEventDetail;
 import mx.managers.PopUpManager;


            getDropdown();


            if (_dropdown.parent == null)  // was popped up then closed
                PopUpManager.addPopUp(_dropdown, this);
            else


        if (bRemoveDropdown)
        {
            _dropdown.removeEventListener(FlexMouseEvent.MOUSE_DOWN_OUTSIDE, dropdown_mouseOutsideHandler);
            _dropdown.removeEventListener(FlexMouseEvent.MOUSE_WHEEL_OUTSIDE, dropdown_mouseOutsideHandler);
            _dropdown.removeEventListener(MarshalMouseEvent.MOUSE_DOWN, dropdown_mouseOutsideHandler);
            _dropdown.removeEventListener(MarshalMouseEvent.MOUSE_WHEEL, dropdown_mouseOutsideHandler);

            PopUpManager.removePopUp(_dropdown);
            _dropdown = null;
            bRemoveDropdown = false;
