Please run this demo from a WebServer, it will fail otherwise.
This demonstrations shows the use of Ajax form and field validations. The form validation implements callback hooks, so please check the javascript console
validate[required,custom[noSpecialCaracters],maxSize[20],ajax[ajaxUserCall]]
validate[custom[onlyLetterSp],length[0,100],ajax[ajaxNameCall]]
validate[required,custom[email]]