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    import flash.events.Event;
    
    private var currentTextColor:Object;
    private function myCreationComplete(eventObj:Event):void {
      currentTextColor = getStyle('color');
    }
    private function handleInvalidVal(eventObject:Event):void {
      setStyle('color', "red");
    }
    private function handleValidVal(eventObject:Event):void {
      setStyle('color', currentTextColor);
    }
    
  
  
      initialize="myCreationComplete(event);"
    invalid="handleInvalidVal(event);" valid="handleValidVal(event);" />