I found a very interesting article concerning prototypes The Art of UI Prototyping: http://www.uiweb.com/issues/issue12.htm -------------------- Monserrat Videla Senior Web Developer/Designer nurun Santiago Phone:(56-2) 742-0603 Fax: (56-2) 741-9533 Mobile:(56-9) 243-5623 ICQ#: 126519908 Yahoo ID: Dezidya Visit us at: http://www.nurun.cl