mAppShell     = nsnull; mWindowList   = nsnull;
nsAppShellService::nsAppShellService() :   mDeleteCalled( PR_FALSE ),  mInProfileStartup( PR_FALSE ),  mModalWindowCount( 0 ),  mShuttingDown( PR_FALSE ),  mQuitOnLastWindowClosing( PR_TRUE ){  NS_INIT_REFCNT();}