Allows guests to rate something 1 to 5 stars, then takes the results and returns a number of stars based on the average rating. If you try the script and get an error regarding
the file 'ratings.php', try downloading the zipped file at http://habitat675.port5.com/rate/ratings.zip and chmod ratings.php 666. File also includes star images which you are
free to use if you like, or you can use your own.