The parameter activetools=VIEW will display the map view tool.
This tool enables the user to change the map view in the WebOffice map widget.
Note: The tool shows the external ID of the map view in the drop down list.

Map View in WebOffice map widget
Example:
http://w-ws-schmoelz/WebOfficeLatest/client_mapwidget/default.jsp?baseURL=http://w-ws-schmoelz/WebOfficeLatest&project=WebOffice_SampleProject&width=385&height=377&view=cadaster&combined_req=true&map_adv=true&activetools=VIEW