please attach a copy of the original cart page so I can see the entire page code in context.
put the cart.php file into the zip, don't past the page code into a text file please.
just compress the php file to the zip archive.
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.