os commerce Japanese/English

Need very quick job. Japanese and English oscommerce set up and customization (font, color and ad logo. very simple change) for our store site. Now we are working to renewal rest of the site. That must have USPS shipping module (all USPS web tools) and credit card module (including we curretly have Japanese one) w/other. We have only Japanese site w/shopping cart right now. So if you can ad those module to the shopping cart (we have), it doesn't matter if it's oscommerce or not. I don't know which is easier. Hopefully renewal site starts from September Our site is [login to view URL]