function argentinaTime(lang) 
{
  var d = new Date();
  var h = d.getUTCHours();
  var m = d.getUTCMinutes();

  h -= 3;
  if (h < 0) h += 24;
  if (m < 10) m = "0" + m;

  switch (lang) {
    case "spa":
      document.write( (h == 1) ? "Es la " : "Son las " );
      document.write( h+":"+m+ " en Argentina en este momento. Somos GMT -3");
      break;
    case "eng":
      var ampm = "a.m."
      if (h > 12) { h -= 12; ampm = "p.m."; }
      document.write("It is " + h+":"+m+" "+ampm + " in Argentina right now. We are GMT -3");
      break;
  } 
}