I\'m using html5/Razor/MVC3 leveraging the Bootstrap template from Twitter. I want to have form validation that looks slick like they\'ve documented (http://twitter.github.com/b
Rather than reinventing this particular wheel, check the validationEngine plugin available at http://www.position-absolute.com/articles/jquery-form-validator-because-form-validation-is-a-mess/.
You can customize the popup elements as you want, and it is trivial to connect to jQuery.validate.js.