accessing the BOL relations data with language as expected dynamic by program

Hi All,

I need to access the BOL relations data like contact person etc in langauge which is dynamic,

actually what we see regularly is the system login langauge as default and we are getting details as per that,

but i need to access the data as per input provided by me in program, where exactly we can handle it?

Ex : If we login in 'EN' then tilte (title_p) we get as 'Mr' for relationship 'BTPartnerAddress'

       if we login in 'DE' then we get  'Mr' as 'Herr' for the same relationship 'BTPartnerAddress'  for same contact, in both the cases system language it got   

       considered for BOL,

       then how the same can be handled by programatically, I mean I will login in 'EN'  and need to get details in 'DE' programatically, how we handle this?

Thanks a lot.

VijHyd