function openWindow(w,h) {
  window.open("","popDialog","width="+w+",height="+h+",scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no");
}

function Form_Contact(Form) {
  if (Form.comment.value == "")
  {
    alert("Comment or Request missing.");
    Form.comment.focus();
    return (false);
  }

  if (Form.name.value == "")
  {
    alert("Name missing.");
    Form.name.focus();
    return (false);
  }

  if (Form.telephone.value == "" && Form.email.value == "")
  {
    alert("Telephone or email address missing.");
    Form.telephone.focus();
    return (false);
  }

  test = Form.email.value;

  if (Form.email.value != "" && test.indexOf("@") == "-1")
  {
    alert("Email address incomplete.");
    Form.email.focus();
    return (false);
  }
  openWindow(350,240);
  return (true);
}

function Form_Contatti(Form) {
  if (Form.comment.value == "")
  {
    alert("Commento o domanda mancanti.");
    Form.comment.focus();
    return (false);
  }

  if (Form.name.value == "")
  {
    alert("Nome mancante.");
    Form.name.focus();
    return (false);
  }

  if (Form.telephone.value == "" && Form.email.value == "")
  {
    alert("Telefono o Email mancanti.");
    Form.telephone.focus();
    return (false);
  }

  test = Form.email.value;

  if (Form.email.value != "" && test.indexOf("@") == "-1")
  {
    alert("Email non valida.");
    Form.email.focus();
    return (false);
  }
  openWindow(350,240);
  return (true);
}