Hmm...
I'm just wondering, by any chance, why do you choose to use DHTML over any other dynamic web programming languages to create web based game?
Also, that name is probably copyrighted from an anime isn't it?

I'd recommend you to use PHP or any other dynamic scripting language to create web based game, it's not only that it's easy to organize, and so that you don't have to worry with thousands of HTML files lol....