function ajaxRequest (url) {
	
	if (window.XMLHttpRequest) { // Non-IE browsers
      req = new XMLHttpRequest();
      req.onreadystatechange = callBackMethod;
      try {
        req.open("GET", url, true);
      } catch (e) {
        alert(e);
      }
      req.send(null);
    } else if (window.ActiveXObject) { // IE
      req = new ActiveXObject("Microsoft.XMLHTTP");
      if (req) {
        req.onreadystatechange = callBackMethod;
        req.open("GET", url, true);
        req.send();
      }
    }
};