Xajax Live Form Upgrade

Have a Point of Sale application written in PHP, Mysql and Xajax that intrfaces with the Weberp open ource project also written in PHP and Mysql. I need 1 form upgraded with a live function on a Xajax form in the Point of ale system basically that just does a single function in PHP in Mysql. This should be very basic that knows Xajax. ## Deliverables The uppgrade in question is on a complete live working system. All code and dadatabase can be provided with a complete overview of the requirement which is very basic.