You are using the trigger "any form post", but you have a form method "get" instead of "post".
I'd fix this by updating your <form> to use post method. Then find and replace any reference to $_GET and change it to $_POST
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.