it works changing
*<prop oor:name="Work" oor:type="xs:string"> <info> <desc>Specifies the path of the work folder, which can be modified according to the user's needs. The path specified here can be seen in the Open or Save dialog.</desc> </info> <value>$(work)</value> </prop>* to
*<prop oor:name="Work" oor:type="xs:string"> <info> <desc>Specifies the path of the work folder, which can be modified according to the user's needs. The path specified here can be seen in the Open or Save dialog.</desc> </info> <value>file:///opt/documents</value> </prop> *
in */opt/ openoffice.org/basis3.1/share/registry/schema/org/openoffice/Office/Common.xcs
*just if someone else is interested*
*thank you all* *