Ajax CSS start rating samples

There is a great article on how to create a 5-star rating system on using css and list

http://komodomedia.com/blog/index.php/2006/01/09/css-star-rating-part-deux/

then the author updated the turtorial with a more cross-browser supported version:

http://komodomedia.com/blog/index.php/2007/01/20/css-star-rating-redux/#

Dave Naffis implement it using rails and act_as_rating plugin

http://www.naffis.com/blog/articles/2006/08/31/rails-ajax-star-rating-system#sizer

igvita has an enhanced version:

http://www.igvita.com/blog/2006/09/02/4-state-rails-ajax-css-rating/

and finally the best i guess:

http://blog.aisleten.com/2007/05/03/ajax-css-star-rating-with-acts_as_rateable/