 package mx.controls
 {
 
+import flash.display.DisplayObject;
 import flash.events.Event;
 import flash.events.FocusEvent;
 import flash.events.KeyboardEvent;

        var point:Point = new Point(0, unscaledHeight);
        point = localToGlobal(point);
        
        //opening the dropdown 
        if (show)
        {

                tweenUp = false;
            }
        
            point = _dropdown.parent.globalToLocal(point);

            var sel:int = _dropdown.selectedIndex;
            if (sel == -1)
                sel = 0;
