var frmvalidator = new Validator("llamadaForm");
frmvalidator.addValidation("name","alpha","Please, insert your name.");
frmvalidator.addValidation("name","req","Please, insert your name.");
frmvalidator.addValidation("email","req","Please, insert your email.");
frmvalidator.addValidation("email","email","Please, insert your email.");
frmvalidator.addValidation("subject","req","Please, insert a subject.");
frmvalidator.addValidation("message","req","Please, insert your message.");