         "bridgeApplicationActivate";
 
     /**
-     *  Sent via bridge to a child application's systemManager to notify it
-	 *  that the SWF is about to be unloaded.  The systemManager marshals and
+     *  Sent through a bridge to a child application's SystemManager to notify it
+	 *  that the SWF is about to be unloaded. The SystemManager marshals and
 	 *  re-dispatches the event so that application code can remove references
-	 *  that would prevent the SWF from unloading
+	 *  that would prevent the SWF file from unloading.
      */  
     public static const BRIDGE_APPLICATION_UNLOADING:String = "bridgeApplicationUnloading";
 
 	/**
-	 *  Dispatched via bridges to all other FocusManagers to notify them
-	 *  that another focus manager is now active.
+	 *  Dispatched through bridges to all other FocusManagers to notify them
+	 *  that another FocusManager is now active.
 	 */
 	public static const BRIDGE_FOCUS_MANAGER_ACTIVATE:String =
         "bridgeFocusManagerActivate";
 
 	/**
-	 *  Dispatched via parent bridge to its SWFLoader to notify it
-	 *  that a new system manager has been initialized. 
+	 *  Dispatched through a parent bridge to its SWFLoader to notify it
+	 *  that a new SystemManager has been initialized. 
 	 */
 	public static const BRIDGE_NEW_APPLICATION:String =
         "bridgeNewApplication";


	/**
	 *  Constructor.
	 */
	public function SWFBridgeEvent(type:String, bubbles:Boolean = false,
                                       cancelable:Boolean = false, 

	 *	Dispatched to a parent bridge or sandbox root to notify it that
	 *  a window was activated.
	 * 
	 *  For a compatible application, the <code>data</code> property 
	 *  is an object with two properties, <code>window</code>
	 *  and <code>notifier</code>. The <code>data.window</code> property
     *  is the SystemManager proxy that was activated. 
	 *  For an untrusted application, the <code>data.window</code> property
     *  is a string id of the window. The
     *  <code>data.notifier</code> property is the bridge of the
     *  application dispatching the event. The event might be dispatched
     *  directly to a sandbox root instead of over a bridge, so <code>event.target</code>
     *  might not be the bridge of the application dispatching the event.
	 */
    public static const BRIDGE_WINDOW_ACTIVATE:String = "bridgeWindowActivate";

	/**
	 *	Dispatched to a parent bridge or sandbox root to notify it that
	 *	the proxy SystemManager was deactivated.
	 * 
     *  For a compatible application, the <code>data</code> property 
     *  is an object with two properties, <code>window</code>
     *  and <code>notifier</code>. The <code>data.window</code> property
     *  is the SystemManager proxy that was activated. 
     *  For an untrusted application, the <code>data.window</code> property
     *  is a string id of the window. The
     *  <code>data.notifier</code> property is the bridge of the
     *  application dispatching the event. The event might be dispatched
     *  directly to a sandbox root instead of over a bridge, so <code>event.target</code>
     *  might not be the bridge of the application dispatching the event.
	 */
    public static const BRIDGE_WINDOW_DEACTIVATE:String = "brdigeWindowDeactivate";

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

    /**
     *  Marshal a SWFBridgeRequest from a remote ApplicationDomain into the current
     *  ApplicationDomain.
     * 
     *  @param event A SWFBridgeRequest which might have been created in a different ApplicationDomain.
     * 
     *  @return A SWFBridgeEvent that was created in the caller's ApplicationDomain.
     */
    public static function marshal(event:Event):SWFBridgeEvent
    {
        var eventObj:Object = event;
        return new SWFBridgeEvent(eventObj.type,
                                  eventObj.bubbles,
                                  eventObj.cancelable,
                                  eventObj.data);
    }

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