function trim(s) {
  while ((s.substring(0, 1) == ' ') || (s.substring(0, 1) == '\n') || (s.substring(0, 1) == '\r') || (s.substring(0, 1) == '\t')) {
    s = s.substring(1, s.length);
  }

  while ((s.substring(s.length-1, s.length) == ' ') || (s.substring(s.length-1, s.length) == '\n') || (s.substring(s.length-1, s.length) == '\r') || (s.substring(s.length-1, s.length) == '\t')) {
    s = s.substring(0, s.length-1);
  }

  return s;
}

function pop(url, w, h, n) {
  var options = "width=" + w + ",height=" + h + ",";
  options += "resizable=yes,scrollbars=no,status=no,";
  options += "menubar=no,toolbar=no,location=no,directories=no";
  var newWin = window.open(url, 'win_' + n, options);
  newWin.focus();
}

function pop2(url, w, h, n) {
  var options = "width=" + w + ",height=" + h + ",";
  options += "resizable=yes,scrollbars=yes,status=no,";
  options += "menubar=no,toolbar=no,location=no,directories=no";
  var newWin = window.open(url, 'win_' + n, options);
  newWin.focus();
}