Someone

<head><title>Add new list</title></head><body><form name='form' onsubmit='javascript:return addList()'><table align='center'><tr><td>List Type:</td><td>PhoneNumber</td></tr><tr><td>New&nbsp;list&nbsp;name:</td><td><input name='list' style='width:7em' maxlength='15'></td></tr><tr><td><input type='button' value='Ok' style='width:7em' onclick='javascript:addList()'></td><td><input type='button' value='Cancel' style='width:7em' onclick='javascript:window.close()'></td></tr></table></form><script>
function addList() {
  var list=window.document.form.list.value;
  var re = /^[a-zA-Z_]\w{4,14}$/;
  if (re.test(list) == false) {
    alert('The list name must be between 5 and 15 characters\nand contain only letters, numbers or underscores. \nThe first character must be letter or underscore.');
    return false;
  }
  window.close();
  opener.addListReturn('PhoneNumber', list);
  return true;
}
</script></body>