var vodaReq = null;

function CreateXmlHttpReq(handler) {
  var agt = navigator.userAgent.toLowerCase();
  var is_ie5 = (agt.indexOf('msie 5') != -1);
  var xmlhttp = null;
  try {
    xmlhttp = new XMLHttpRequest();
    try {
        // Fix for some version of Mozilla browser.
        http_request.overrideMimeType('text/xml');
    } catch(e) { }
    xmlhttp.onload = handler;
    xmlhttp.onerror = handler;
  } catch(e) {
    var control = (is_ie5) ? "Microsoft.XMLHTTP" : "Msxml2.XMLHTTP";
    xmlhttp = new ActiveXObject(control);
    xmlhttp.onreadystatechange = handler;
  }
  return xmlhttp;
}

function vodaHandler() {
    if (vodaReq.readyState == 4 && vodaReq.status == 200) {
//        e = document.getElementById("ex4result");
//        e.innerHTML = vodaReq.responseText;
		alert(vodaReq.responseText);
    }
}

function vodajax() {
    t = document.getElementById("vodamsg");
    var testo = t.value;
    s = document.getElementById("vodasms");
    var hash = s.value;
    vodaReq = CreateXmlHttpReq(vodaHandler);
    vodaReq.open("GET","wp-content/plugins/voda-sms/voda-sms.php?vodasms="+escape(hash)+"&vodamsg="+escape(testo));
    vodaReq.send(null);

    b = document.getElementById('vodasend');
    b.disabled = 'disabled';
}