var xmlhttp;
function get_operator(tel, id_operator_name, tel_modify, id_tel)
{
 if ((tel.replace(/[^\d]/g, "").length < 10))
 {
   document.getElementById(id_operator_name).innerHTML = '';
   return false;
 }
 xmlhttp = createRequest();
 xmlhttp.onreadystatechange = _get_request;
 xmlhttp.open("GET", "/common_fns/_operator_code.php?tel="+tel+'&id_operator_name='+id_operator_name+'&tel_modify='+tel_modify+'&id_tel='+id_tel, true);
 xmlhttp.send(null);
}
function _get_request()
{
 if ( xmlhttp.readyState == 4)// "complete"
  if ( xmlhttp.status == 200) // "OK"
  {
    var response_text = xmlhttp.responseText;
    var response_ar   = response_text.split("|"); // $tel|$id_operator_name|$tel_modify|$id_tel|$operator_name|$tel_modified
    document.getElementById(response_ar[1]).innerHTML = response_ar[4];
    if (response_ar[2])
      document.getElementById(response_ar[3]).value = response_ar[5];
  }
 return false;
}