well this is the original site, but it works here of course
http://www.coursesweb.net/php-mysql/...pt-ajax-php_s2
there's no setup required for testing it....it comes with test.html which can be placed along with ratingfiles in the root of the server.
but if that's not an option, I can try to keep my test site up for some time
http://viewstorm.no-ip.org/
it's that little bar under the other rating