function updatePageform() {
if (request.readyState == 4) {
if (request.status == 200) {
var status = request.responseXML;
var xmlq = status.getElementByTagName("q")[0];
var q = xmlq.firstChild.nodeValue;
var xmlw = status.getElementByTagName("w")[0];
var w = xmlw.firstChild.nodeValue;
var xmle = status.getElementByTagName("e")[0];
var e = xmle.firstChild.nodeValue;
document.getElementById("doc").innerHTML = "Обновлено";
} else if (request.status == 404) {
         alert ("Requested URL is not found.");
       } else if (request.status == 403) {
         alert("Access denied.");
       } else
         alert("status is " + request.status);
     } else {
     var form = document.getElementById("form");
     form.style.display = "none";
document.getElementById("doc").innerHTML = "Ждите";
     }
   }

header("Content-Type: text/xml; charset=windows-1251");
echo "<?xml version="1.0\" encoding=\"windows-1251\" ?>";
echo "<total>";  
echo "<q>" . $q . "</q>";  
echo "<w>" . $w . "</w>";  
echo "<e>" . $e . "</e>";  
echo "</total>";