<A target="_blank" href="http://www.phigsaidwhat.com/Phigmentb/Phigment.nsf/dx/05132009093318AMHOSK3V.htm">Sean Burgess has been working with MooTools</A> framework 1.2.1 using FormCheck for making client side validation of forms. Everything seemed fine, but Domino didn't generate an ID attribute so Sean had to solve the problem.