This recipe allows you to show all shipping options for a product in a pop up opening from the Product Detail page. Default osCommerce offers shipping options only after logging in during the checkout procedure. This module is suitable for you, if you do not have heavily zone-based shipping options, or if your shipping options have clear names to distinguish between zones.
Your page will look like this with the new link, View delivery options, added below the product's model:
When clicking the View delivery options link, the following pop up opens: