     {
         return _horizontalAlign;
     }
-    
+
     /**
      *  @private
      */
     public function set horizontalAlign(value:String):void
     {
-        if (value == _horizontalAlign) 
+        if (value == _horizontalAlign)
             return;
-        
+
         _horizontalAlign = value;
         invalidateDisplayList();
     }
-    
+
     /**
      *  @private
      */

 *  @see flash.events.IOErrorEvent
 *
 *  @eventType flash.events.IOErrorEvent.IO_ERROR
 *  
 *  @langversion 3.0
 *  @playerversion Flash 10
 *  @playerversion AIR 2.0

    {
        if (loadingContent)
        {
            loadingContent.removeEventListener(Event.COMPLETE,
                loader_completeHandler);
            loadingContent.removeEventListener(IOErrorEvent.IO_ERROR,
                loader_ioErrorHandler);
            loadingContent.removeEventListener(ProgressEvent.PROGRESS,
                loader_progressHandler);
            loadingContent.removeEventListener(SecurityErrorEvent.SECURITY_ERROR,
                loader_securityErrorHandler);
            loadingContent.removeEventListener(HTTPStatusEvent.HTTP_STATUS,
                dispatchEvent);
        }
    }


    /**
     *  @private
     *  Utility method which is invoked to initiate loading of our
     *  source.
     */
    mx_internal function validateSource():void
    {
        if (sourceInvalid || contentLoaderInvalid)
        {
            applySource();
