in reply to CGI not accepted by server.

  1. Some providers yes, some no. Smaller providers will let you get away with more. But their security is, necessarily, pretty poor, in my opinion. I had a shell/mysql/perl/php package at digitalspace which was relatively cheap, and the server/service was okay, not great (UCITA VIOLATION IN PROGRESS).
  2. Sure. a quick search turned up this page. Too bad I nuked my JS rant...but yes, sure you can do a lot with Javascript.

Update: Alokito is correct. You have to have some kind of write permission. If you can't run your own scripts, it's unlikely that you have any way to write.
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