var isWorking = false;

function sendHttpRequest(method,url){
  isWorking = true;
  http.open(method, url, true);
  http.onreadystatechange = handleHttpResponse;
	http.send(null);
}

function handleHttpResponse() {
  if (http.readyState == 4) {
    isWorking = false;				
    processResponse(http.responseText);
  }
}

function getHTTPObject() {
  var xmlhttp;
  /*@cc_on

  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }

  @else

  xmlhttp = false;

  @end @*/

  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }

  return xmlhttp;
}