function vai(URL)
{
	document.location.href = URL
}
function apriPagina(URL,nomeFinestra,caratteristiche) 
{ 
	window.open(URL,nomeFinestra,caratteristiche);
}
function calcola(val, carat) {
	max=carat;
	if (val.testo.value.length > max) {
		val.testo.value = val.testo.value.substring(0,max);
		rest = 0;
	} else rest = max - val.testo.value.length;
	val.numero.value = rest;
}
function newWin(url, name, w, h) {
  l = (screen.availWidth-10 - w) / 2;
  t = (screen.availHeight-20 - h) / 2;

  if(screen.height > 480) {
    s = 1;
  }
  else {
    s = 0;
  }

  features = "width="+w+",height="+h+",left="+l+",top="+t;
  features += ",screenX="+l+",screenY="+t;
//  features += ",scrollbars="+s+",resizable=1,location=0";
//  features += ",menubar=0,toolbar=0,status=0";

  window.open(url, name, features);
}