[jQuery] Appending a Rails Partial

Im not sure which group to post in, so i thought i'd try both. Any Rails peeps that use jQuery? Im having a problem. I have followed Ryan Bates Screencast about inserting a partial with jQuery, but i like to keep all my code in my application js. This is what i have

[jQuery] jQuery Validation Plugin

Can anyone tell me how i can change which attribute on my form field triggers the validation? currently it appears the be the name attribute. So in my Rails app using Rails helpers, it sets the name to somthing like formname ['fieldname'] and the whole name. in my script if i do something like