function buildArray() {
  var a = buildArray.arguments;
  for (i=0; i<a.length; i++) {
    this[i] = a[i];
  }
  this.length = a.length;
}

var urls1 = new buildArray("",
"http://www.terniweb.it/cont/utile/enti/index.shtml",
"http://www.terniweb.it/cont/utile/Salute/index.shtml",
"http://www.terniweb.it/cont/utile/Istruzione/index.shtml",
"http://www.terniweb.it/cont/utile/Trasporti/index.shtml",
"http://www.terniweb.it/cont/utile/Sicurezza/index.shtml",
"http://www.terniweb.it/cont/utile/Lavoro/index.shtml",
"http://www.terniweb.it/cont/utile/consum/index.shtml");

function go(which, num, win) {
  n = which.selectedIndex;
  if (n != 0) {
    var url = eval("urls" + num + "[n]")
    if (win) {
      openWindow(url);
    } else {
      location.href = url;
    }
  }
}