Last Month the Japanese try to retrive this mod a little bit more. They played in the at 2pm CET. At the moment the gametracker,com Server Monitorring is off. Hope soon they turn it on. The ranking seems to work.
Once you have logged in your origin account which you need to create if you don't have already, you then need to download battlefield 1942 free of charge. EA has it placed in the demos section. It is the full game. http://store.origin.com/store/ea/en_US/html/pbPage.demos-en_US
You can copy your interstate folder from the mods folder to the new directory where origin files 1942. C:\Program Files (x86)\Origin Games\Battlefield 1942\Mods