windowmenu->add_item(new TileWindows(mwindow,_("Tile left"),0));
windowmenu->add_item(new TileWindows(mwindow,_("Tile right"),1));
}
windowmenu->add_item(new TileWindows(mwindow,_("Tile left"),0));
windowmenu->add_item(new TileWindows(mwindow,_("Tile right"),1));
}