function checkDataDoSubmit() {
  var email = document.getElementById("email");
  var errors = "";

  if (!nyx_checkEmailFormat(email.value, false))
    errors += "- E-Mail non valida\n";

  if (errors != "") {
    alert("E' necessario compilari i campi obbligatori:\n\n" + errors);
    return;
  }

  document.getElementById('hidMailConfigFromAddress').value = email.value;

  document.getElementById('formRichiestaNews').submit();
}