 use namespace mx_internal;
 
 /**
- *  The AccordionHeaderAccImpl is the class
- *  for enabling Accordion Accessibility.
- *
- *  @helpid
- *  @tiptext This is the AccordionHeader Accessibility Class.
- *  @review
+ *  AccordionHeaderAccImpl is a subclass of AccessibilityImplementation
+ *  which implements accessibility for the AccordionHeader class.
  */
 public class AccordionHeaderAccImpl extends AccImpl
 {


	//--------------------------------------------------------------------------
	//
	//  Class initialization
	//
	//--------------------------------------------------------------------------

	/**
	 *  @private
	 *  Static variable triggering the hookAccessibility() method.
	 *  This is used for initializing AccordionHeaderAccImpl class to hook its
	 *  createAccessibilityImplementation() method to AccordionHeader class 
	 *  before it gets called from UIComponent.
	 */
	private static var accessibilityHooked:Boolean = hookAccessibility();
	
	/**
	 *  @private
	 *  Static method for swapping the createAccessibilityImplementation()
	 *  method of AccordionHeader with the AccordionHeaderAccImpl class.
	 */
	private static function hookAccessibility():Boolean
	{
		AccordionHeader.createAccessibilityImplementation =
			createAccessibilityImplementation;
		
		return true;
	}

	//--------------------------------------------------------------------------
	//
	//  Class constants
	//
	//--------------------------------------------------------------------------

	/**
	 *  @private
	 */
	private static const STATE_SYSTEM_FOCUSED:uint = 0x00000004;

	/**
	 *  @private
	 */
	private static const STATE_SYSTEM_SELECTABLE:uint = 0x00200000;

	/**
	 *  @private
	 */
	private static const STATE_SYSTEM_SELECTED:uint = 0x00000002;

	/**
	 *  @private
	 */
	private static const STATE_SYSTEM_UNAVAILABLE:uint = 0x00000001;

	/**
	 *  @private
	 */
	private static const EVENT_OBJECT_FOCUS:uint = 0x8005;

	/**
	 *  @private
	 */
	private static const EVENT_OBJECT_SELECTION:uint = 0x8006;

	/**
	 *  @private
	 */
	private static const MAX_NUM:uint = 100000;	

	//--------------------------------------------------------------------------
	//
	//  Class methods
	//
	//--------------------------------------------------------------------------

	/**
	 *  @private
	 *  Method for creating the Accessibility class.
	 *  This method is called from UIComponent.
	 *  @review
	 */
	mx_internal static function createAccessibilityImplementation(
								component:UIComponent):void
	{
		component.accessibilityImplementation =
			new AccordionHeaderAccImpl(component);
	}

	/**
	 *  Method call for enabling accessibility for a component.
	 *  This method is required for the compiler to activate
	 *  the accessibility classes for a component.
	 */
	public static function enableAccessibility():void
	{
	}

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

	 *  @param childID uint
	 *
	 *  @return State uint
	 */
	override public function get_accState(childID:uint):uint
	{
