     //--------------------------------------------------------------------------
 
     /**
-     *  Position the thumb button according to the given thumbPos parameter,
-     *  relative to the current y location of the track in the scrollbar control.
+     *  Position the thumb button based on the specified thumb position,
+     *  relative to the current Y location of the track in the control.
      * 
      *  @param thumbPos A number representing the new position of the thumb
      *  button in the control.

    }
    
    /**
     *  The position of the thumb on a VScrollBar is equal to the given
     *  localY parameter.
     * 
     *  @param localX The x position relative to the scrollbar control
     *  @param localY The y position relative to the scrollbar control
     */
    override protected function pointToPosition(localX:Number, 
                                                localY:Number):Number

import flash.ui.Keyboard;
import mx.layout.ILayoutItem;
import mx.layout.LayoutItemFactory;
import mx.components.baseClasses.FxScrollBar;   

/**
 *  The FxVScrollBar (vertical ScrollBar) control lets you control
 *  the portion of data that is displayed when there is too much data
 *  to fit vertically in a display area.
 * 
 *  <p>Although you can use the FxVScrollBar control as a stand-alone control,
 *  you usually combine it as part of another group of components to
 *  provide scrolling functionality.</p>
 */
