jQuery – Ajax existing form
This article will attempt to show how to take an existent form in html and to ajax the form, that is to bring up the form into a jQuery UI dialog box and then to send the data back to the target URL for processing. This article assumes you have some knowledge on how jQuery works and a little bit on the jQuery UI framework. If you need to learn about this first, then head over to www.jquery.com and www.jqueryui.com.
Warning, this article only covers the basics and assumes you have a simple form without validation. Obviously depending on what you are working on or want to achieve, you will need to modify whats below. So take this article just as a basis.