hello there programmers we are a transport service for transporting driving for little clientes and we need to enhance the solution interspire shopping cart with a mod, add payroll functionality to calculate exactly to the drivers of the store driving service, the commissions given the item or service given to a client, of course that we need to commit a driver available to a service that is being purchased or order that is being created with in the admin area so the commissions of the service be given to that driver and that we can manage that from a payroll tab or some idea that u might have, and also be abble to add some custom fields to the checkout when the user make a purchassing so they can put some information related with the purchasing in this case service, because i am using the site to be abble to sell services or in this case the buyer can purchase a service, so please let me know thanks. Keywords: AJAX, MySQL, Javascript, PHP, Interspire