XFE_CALLBACK_DEFN(XFE_MozillaApp, updateBusyState)(XFE_NotificationCenter *, void *clientData, void *)
XFE_CALLBACK_DEFN(XFE_MozillaApp, frameUnregistering)(XFE_NotificationCenter *obj, void *, void *)
XFE_CALLBACK_DEFN(XFE_MozillaApp, updateBusyState)(XFE_NotificationCenter */*obj*/,												   void *clientData,												   void */*callData*/){	m_isbusy = (XP_Bool)(int)clientData;}