I am following this tutorial.
and struck at step 12.
Getting these 4 errors on console:
Uncaught controls.js requires including script.aculo.us' effects.js library<br/>
Uncaught ReferenceError: Effect is not defined<br/>
Uncaught ReferenceError: Prototype is not defined<br/>
Uncaught TypeError: Cannot read property 'bind' of null