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

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=yes,resizable=yes,directories=no,status=no,location=no,toolbar=no';
	win = window.open(mypage, myname, winprops);
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}


function showmenu(elmnt)
{
document.getElementById(elmnt).style.visibility="visible"
}
function hidemenu(elmnt)
{
document.getElementById(elmnt).style.visibility="hidden"
}


function validate_form() {
  validity = true; // assume valid
  if (!check_empty(document.form.Nome.value))
  	{ validity = false; alert('Inserire il Nome'); }
  if (!check_empty(document.form.Cognome.value))
  	{ validity = false; alert('Inserire il Cognome'); }
  if (!check_empty(document.form.Telefono.value))
  	{ validity = false; alert('Inserire il telefono'); }
  if (!check_empty(document.form.Email.value))
  	{ validity = false; alert('Inserire indirizzo E-Mail'); }
  if (!check_empty(document.form.Email.value) || !check_email(document.form.Email.value))
  	{ validity = false; alert('Avete inserito una E-Mail errata'); }
  if (validity)
	alert ("Il dati inseriti sono corretti.");
  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;
}

function doBlink() {
	var blink = document.all.tags("BLINK")
	for (var i=0; i<blink.length; i++)
		blink[i].style.visibility = blink[i].style.visibility == "" ? "hidden" : "" 
}

function startBlink() {
	if (document.all)
		setInterval("doBlink()",1000)
}
window.onload = startBlink;