Yep, for html. I know its strange and I don't know why, but my ISPs system is being admined via some tool which allows only certain access for a specific server. Only high end servers eg. are allowed to have a shell cron job. Only thing they can do is to call a html page freequently. Thats the trick to put it inside a SSI call. Saved me the upgrade to a professional server and thus 20 more bucks a month