You need to use HtmlInputText in your bean to create a dynamic input. Go to Sun JSF forum:http://forum.java.sun.com/forum.jspa?forumID=427 to search dynamic. There are many dynamic discuss in that forum.
thanks I'll ask there, lets say I know how to do so
I've a xhtml page for user registration , if I would like to press "add" button which will duplicate all the input field in order to register 2 users (in the same time)
how can Irelate the second form to a secon User user entity bean in seam?