function DoCallback(url)
{
    var pageUrl = url ;
    var xmlRequest = new ActiveXObject("Microsoft.XMLHTTP");

    xmlRequest.Open("POST", pageUrl, false);
    xmlRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    xmlRequest.Send(null);

    return xmlRequest;
}



function DoCallbackWithCommand(url, cmd, param)
{
    var pageUrl = url + "?cmd=" + cmd + "&param=" + param;
    var xmlRequest = new ActiveXObject("Microsoft.XMLHTTP");

    xmlRequest.Open("POST", pageUrl, false);
    xmlRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    xmlRequest.Send(null);

    return xmlRequest;
}