var http_request = false;
function makePOSTRequest(url, parameters,method) {
http_request = false;
if (window.XMLHttpRequest) { // Mozilla, Safari,...
    http_request = new XMLHttpRequest();
    if (http_request.overrideMimeType) {
         // set type accordingly to anticipated content type
         http_request.overrideMimeType('text/xml');
         //http_request.overrideMimeType('text/html');
    }
} else if (window.ActiveXObject) { // IE
    try {
         http_request = new ActiveXObject("Microsoft.XMLHTTP");
         } catch (e) {
              try {
                   http_request = new ActiveXObject("Msxml2.XMLHTTP");
								    } catch (e) {}
          }
    }
    if (!http_request) {
          alert('A böngésződ nem támogatja az AJAX technológiát, használj firefoxot!');
              return false;
          }

    http_request.onreadystatechange = eval(method);
    http_request.open('POST', url, true);
    http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    http_request.setRequestHeader("Content-length", parameters.length);
    http_request.setRequestHeader("Connection", "close");
    http_request.send(parameters);
}

function displayContents() {
            if (http_request.readyState == 4) {
               if (http_request.status == 200) {
                  //alert(http_request.responseText);
                  response  = http_request.responseXML.documentElement;
								  result    = response.getElementsByTagName('result')[0].firstChild.data;
								  if (result == 1) {
									  message.className = 'mailok';
	                                  message.innerHTML = 'Módosítás sikerült!';
								  } else {
									  message.className = 'error';
	                                  message.innerHTML = 'Módosítás sikertelen!';
								  }
               } else {
                  alert('Probléma történt az adatok lekérése közben:\n' + http_request.statusText);
               }
            }
         }