If you run a Joomla web site and also use the Virtue Mart shopping cart solution you can download documentation that Terinea produces for it's clients here.

•  Online Guide From VirtueMart 
•  PDF Guide for Joomla
•  PDF User Guide for VirtueMart
•  PDF Developers Guide for VirtueMart

You can also get documentation from Joomla and Virtue Mart 

Version 0.03 - 26th Sept 2006 - download it here

Version 0.01 - 22nd Sept 2006 - download it here