if(top_level->active_menubar == this) top_level->active_menubar = 0;
if(top_level->active_popup_menu == this) top_level->active_popup_menu = 0;
if(top_level->active_subwindow == this) top_level->active_subwindow = 0;
if(top_level->active_menubar == this) top_level->active_menubar = 0;
if(top_level->active_popup_menu == this) top_level->active_popup_menu = 0;
if(top_level->active_subwindow == this) top_level->active_subwindow = 0;