oooh another thought...couldnt you just pass in a hidden field for the shipping cost and use a value of 0.
Have you selected the right currency etc as well in the hidden form elements for your country.
Chris
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.