function getHTTPObject() {
  if (typeof XMLHttpRequest != 'undefined') {
    return new XMLHttpRequest();
  }
  try {
    return new ActiveXObject("Msxml2.XMLHTTP");
  }
  catch (e) {
    try {
        return new ActiveXObject("Microsoft.XMLHTTP");
      }
    catch (e) {
    }
    return false;
  }
}