function makeRequest(url) {

var http_request = false;
if (window.XMLHttpRequest) { // Mozilla, Safari,...
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
http_request.overrideMimeType('text/xml');
// See note below about this line
}
} else if (window.ActiveXObject) { // IE
try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!http_request) {
alert('Giving up Cannot create an XMLHTTP instance');
return false;
}
http_request.onreadystatechange = function() { alertContents(http_request,url); };
http_request.open('GET', url, true);
http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
http_request.send(null);
}
function alertContents(http_request,url) {
if (http_request.readyState == 4) {
if (http_request.status == 200) {
 document.getElementById("rezultat").innerHTML = http_request.responseText;
  }
  else
  {
  document.getElementById("rezultat").innerHTML ='';
  }
}
}