In this tutorial, we're going to take a look at how to serve HTML5 forms to modern browsers, while compensating for older browsers by using a mix of Webforms2, Modernizr, jQuery UI and assorted jQuery Plugins. Introduction HTML5 powered forms provide a great deal of semantic markup, and remove the need for a lot of JavaScript. One of the first efforts toward HTML5 was WHATWG's Web Forms 2.0, origi