1 - Open you main with Olly.
2 - Go to offset 401000 and select Follow in Dump -> Selection.
3 - In Dump Window, press CRTL + B and right in field HEX +00 the binaries:
6A 00 6A 00 6A 00 68 BC 02 00 00 6A 00 6A 00 6A 00
4 - In Disassembly Window, go to offset found.
5 - Two offsets above will see the following function: mov edx,dword ptr ds:[XXXXXX]
6 - Go to offset XXXXXX and select Follow in Dump -> Selection.
7 - Then you see it in Dump Window: 81 00 00 00 01......
8 - Change the value 81 by the desired locale.
I dont know all Codes, but I know that: