var http_request = false;
function xcf_makePOSTRequest(url, parameters) {
  http_request = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
     http_request = new XMLHttpRequest();
     if (http_request.overrideMimeType) {
        http_request.overrideMimeType('text/html');
     }
  } 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('Cannot create XMLHTTP instance');
     return false;
  }
  
  http_request.onreadystatechange = xcf_alertContents;
  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 xcf_alertContents() {
  if (http_request.readyState == 4) {
     if (http_request.status == 200) {
        //alert(http_request.responseText);
        result = http_request.responseText;
        document.getElementById('loading').style.display = "none";
				document.getElementById('log_res').innerHTML = result;
     } else {
        alert('There was a problem with the request.');
     }
  }
}
   
function xcf_get(obj) {
  var poststr = "xcf-email=" + encodeURI( document.getElementById("xcf-email").value ) +
  "&" + encodeURI("xcf-message") + "=" + encodeURI( document.getElementById("xcf-message").value );
  xcf_makePOSTRequest('http://therealtimeproject.com/send.php', poststr);
}