     
     /**
      * @private
-     * This variable tracks whether we are currently stepping the ScrollBar
+     * This variable tracks whether we are currently stepping the ScrollBarBase
      */
     private var isStepping:Boolean;
 

            easer = new Linear(500/duration);
        else
            easer = easyInLinearEaser;
        // FIXME (chaase): we're using ScrollBar's repeatInterval for animated
        // stepping, but Button's repeatInterval for non-animated stepping
        // FIXME (chaase): think about the total duration for the animation.
        // FIXME (chaase): hard-coding easing behavior, how to style it?

[Exclude(name="focusThickness", kind="style")]

/**
 *  The ScrollBarBase class helps to position
 *  the portion of data that is displayed when there is too much data
 *  to fit in a display area. 
 *  The ScrollBarBase class displays a pair of scrollbars and a viewport. 
 *  A viewport is a UIComponent that implements IViewport, such as Group.
 *  
 *  <p>This control extends the TrackBase class and
