We use Volusion for our storefronts. We are trying to launch our Japanese website at [url removed, login to view]
We are having trouble entering double byte characters in the single page checkout page. Every time we enter Japanese characters, and try to recalculate shipping or checkout, the checkout page hangs and asks us to check to make sure we are entering alpha numeric characters or numbers in the pages.
We were able to get CHinese and Korean store to work by requiring customers to create an account before checking out but the same solution does not seem to work in the Japanese store.
([url removed, login to view])
We really need to get this fixed in the next few days.