The parameter activetools=SELECTLINE will display the Select-Line-Tool.
It's recommended to use the Select Line Tool in order to select polygon or line objects.
Note: The parameters query and returnkey are required in order to provide selection functionality in WebOffice map widget. (See chapter Request to select Objects to see how to configure selection requests.)

Select Line Tool
Example:
http://w-vpc-kr-w7-e:8080/WO_10R3_SP2_latestBuild/client_mapwidget/default.jsp?baseURL=http://w-vpc-kr-w7-e:8080/WO_10R3_SP2_latestBuild&project=WebOffice_SampleProject_Doku&width=600&height=400&view=AndereStdte&maptransparency=1.0&activetools=SELECTLINE&query=country&returnkey=CNTRY_NAME&callback=selectlineResult