http://dnassuncao.wordpress.com/2010/08/08/jsf-2-0-na-pratica-parte-i/


Dynamic Faces, also known as POJC (Plain Old JavaServer Faces Components), are an extension to JavaServer Faces technology that lets you easily implement Ajax functionality. Practically, you use the Ajax Transaction component included with the Dynamic Faces component library, which lets you visually configure Ajax functionality at design time.