A ruby gem that uses the Rails asset pipeline to include the jQuery MouseWheel plugin by Brandon Aaron (http://brandon.aaron.sh).
Add this line to your application's Gemfile:
And then execute:
Or install it yourself as:
$ gem install jquery-mousewheel-rails
NOTE: this is a jQuery plugin so you will also need the
application.js you will need to add this line:
//= require jquery.mousewheel