 		// that all accessible UIComponents understand.
 		$eventHandler(event);
 				
+		const systemManager:ISystemManager = ISystemManager(master.parent);
 		var titleBar:UIComponent;
 		
 		switch (event.type)

import flash.accessibility.Accessibility;
import flash.accessibility.AccessibilityProperties;
import flash.events.Event;
import mx.accessibility.AccConst;
import mx.controls.Alert;
import mx.core.UIComponent;
import mx.core.mx_internal;
import mx.managers.SystemManager;

use namespace mx_internal;


			{
				titleBar = Alert(master).getTitleBar();

				systemManager.document.accessibilityProperties.silent = false;

				Accessibility.updateProperties();

