I\'m kinda new to using Rails, and an app I am working on is progressing well - however I\'m looking though the generated HTML and noticed things like...
I'd also recommend going with the unobtrusive Javascript approach and use jQuery.
For a great introductory tutorial on how to do that with Rails take a look at this jQuery + Rails screencast by Ryan Bates.
If you'd like to keep using helpers with jQuery, then take a look at a jRails, but if you do that, you'll still be violating the unobtrusive Javascript premise.