You should see this when you select one encoding:
bishoujo senshi sailormoon
Thirst you select 'Japanese (Auto-Detect)', you should be able to read the JSIC
one.
Then you select 'Japanese (EUC-JP)' and now you should be able to read the second one.
JSIC: 美少女戦士セーラームーン
When you have done this, you are finished and know you can view japanese Pages with this browser.