TextField<String> email = new TextField<String>("email", Model.of(""));
email.add(new ParsleyEmailValidator().on("change", "cut"));
form.add(email);
TextField<String> website = new TextField<String>("website", Model.of(""));
website.add(new ParsleyUrlValidator().on("change"));
form.add(website);
TextArea<String> message = new TextArea<String>("message", Model.of(""));
form.add(message);