[Xfce-i18n] about orage... and dispears

[dYp]

hello everyone,
I'm probably dumb (and french... it explains) but in Orage, when I open 
the preferencies window I have tabs and some items in english (and I'm 
french damned).
I see the fr translation is 100% finished. I would like to translate 
this window items... how can I ? or is anyone can tell me where to find 
the file to change ?
thanks for your patience. I'm working on HandyLinux (Xfce in) distro and 
we need this to be very dumbastic french users friendly (as me).
good day