If the intent is to prevent multiple form submissions, there
are a couple of other ways to do it. Neither is perfect, but both
require a deliberate effort to submit the form more than once.
1. Use an intermediate page. On this page, validate the form
inputs, convert the form variables to session variables and
javascript.window.location to the real page.
2. At the top of the form action page, display some html
content and cfflush it. Then process your form.