static vtkKWWindowBase* mgKWTopWindow = 0;
static vtkKWWindowBase* mgKWTopWindowParent = 0;
static bool mgKWAutoDestroyTopWindow = true;
static vtkKWWindowBase* mgKWTopWindow = 0;
static vtkKWWindowBase* mgKWTopWindowParent = 0;
static bool mgKWAutoDestroyTopWindow = true;