Have you created a Dreamweaver Site Definition?
Is the page you are working on saved to that site?
Is the page saved as a PHP page with the extension .php?
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.