function NewWindow(mypage, myname, w, h) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars=no,resizable=no,directories=no,status=no,location=no,toolbar=no';
win = window.open(mypage, myname, winprops);
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

function privacy() {
        priv = window.open("privacy-EN.asp",'privacy','scrollbars=yes,resizable=yes,directories=no,width=490,height=400,status=no,location=no,toolbar=no');
}


function validate_form() {
  var validity = true; // assume valid
  var msg = "Verificare i seguenti dati:\n\n";
  if (!check_empty(document.form.Nome.value))
  	{ validity = false; msg=msg+'Insert NOME\n'; }
  if (!check_empty(document.form.Cognome.value))
  	{ validity = false; msg=msg+'Insert SURNAME\n'; }
  if (!check_empty(document.form.Azienda.value))
  	{ validity = false; msg=msg+'Insert COMPANY\n'; }
  if (!check_empty(document.form.Indirizzo.value))
  	{ validity = false; msg=msg+'Insert ADRESS\n'; }
  if (!check_empty(document.form.Citta.value))
  	{ validity = false; msg=msg+'Insert CITY\n'; }
  if (!check_empty(document.form.Provincia.value))
  	{ validity = false; msg=msg+'Insert STATE\n'; }
  if (!check_empty(document.form.Telefono.value))
  	{ validity = false; msg=msg+'Insert TELEPHONE\n'; }
  if (!check_empty(document.form.Email.value) || !check_email(document.form.Email.value))
  	{ validity = false; msg=msg+'incorrect EMAIL\n'; }
  if (!validity)
  	alert (msg);
  return validity;
}
function check_empty(text) {
  return (text.length > 0); // returns false if empty
}
function check_email(Email) {
  if ((Email == "")
    || (Email.indexOf ('@') == -1)
    || (Email.indexOf ('.') == -1))
      return false;
  return true;
}