Joomla extensions. Info and link for download for Extension:VIRTUEMART ISBN RETAIL TABS INCLUDES 1YR free BARCODE SERVER SUBSCRIPTION! Adds a ISBN field to your VirtueMart admin "Update/Create Item" page. Enter the UPC code number for your products and the barcode graphic shows up on the front side of your shopping cart in a nicely tabbed retail style fly-page. UPC barcode graphics are delivered securely to your Joomla VirtueMart web site via SSL. Inventory & other retail information are contained in nice tabs. If you are a commercial retailer, wholesaler, drop-shipper, etc the product information pages need packaging information conveniently all in one spot. If your client is going to make mass purchases from you they don't want to search 6 places on a product page to fill out their UPC sheets. The package is easy to install, simply upload 2 folders and import an sql file.