  *  @playerversion AIR 1.5
  *  @productversion Flex 4
  */
-public class ButtonAccImpl extends AccImpl
+public class ButtonBaseAccImpl extends AccImpl
 {
     include "../core/Version.as";
 

                                component:UIComponent):void
    {
        component.accessibilityImplementation =
            new ButtonAccImpl(component);
    }

    //--------------------------------------------------------------------------

     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    public function ButtonBaseAccImpl(master:UIComponent)
    {
        super(master);

