I have a PHP/MySQL page that does a database query. It was written with the help of Dreamweaver. Right now, you can choose criteria from 4 pop-up fields that are queried from a database. You hit search and a MySQL search is done, sending results to a second page. The HTML and layout are done, and not important. What I need is to refine the search process so that the user can make a selection in the first field and the screen refreshes (or updates live) and the second/third/fourth...