var tempTextField:TextField;
   textsContainer.addEventListener(MouseEvent.CLICK, textContainerHandler);
   private function textContainerHandler(event:MouseEvent):void
   {
   if(event.target != event.currentTarget)
      tempTextField = event.target as TextField;
   }

   private function virtualKeyboardHandler(key:String):void
   {
     tempTextField.appendText(key);
   }