XFE_CALLBACK_DEFN(XFE_BrowserFrame, updateToolbarAppearance)(XFE_NotificationCenter *, void *, void *)
XFE_CALLBACK_DEFN(XFE_BrowserFrame, navigateToURL)(XFE_NotificationCenter*, void*, void* callData)
XFE_CALLBACK_DEFN(XFE_BrowserFrame, updateToolbarAppearance)(XFE_NotificationCenter */*obj*/, 									   void */*clientData*/, 									   void */*callData*/){  updateToolbar();}