I need a plugin or module for virtuemart 1.1 (joomla 1.5.3) that will give the customer the ability to input only figures that are divisible by each products "quantity per box"
an exellent site that does this is [url removed, login to view]
here is a screenshot of what i want ours to look like
[![Image Hosted by [url removed, login to view]]]
need it in the next 5-7 business days if possible