     {
         if (steppingDown || steppingUp)
         {
-        	// stopAnimation will not dispatch a changeEnd.
+            // stopAnimation will not dispatch a changeEnd.
             stopAnimation();
             
             dispatchEvent(new FlexEvent(FlexEvent.CHANGE_END));

    
    /**
     *  @inheritDoc
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10

 *  &lt;s:ScrollBarBase
 *    <strong>Properties</strong>
 *    pageSize="20"
 *    snapInterval="1"
 *    viewport="null"
 *
 *    <strong>Styles</strong>
