How do the user limitation to dispaly Template Park document of FV50/FV60/FV70

Hi All,

When user use the function of tempalte park document with FV50/FV60/FV70,they can see other company code's templates and other templates created by other users. 

How I can do the limitation to not allow user display other company code's template document or even not allow users to diaplay the templates created by other users in one company code?

Can anybody help me?

Thanks a lot.