function mRequestXHTTP(requestURL, onload, responseType, synchronus, object)   {
    var ob = mXmlHttp.createRequest();
    if(ob) {
        ob.open("GET", requestURL, !synchronus);
        if(!synchronus) {
            ob.onreadystatechange = function() {
              //  alert(ob.readyState + "      " + ob.status);
                if(ob.readyState == 4) {
                    if(ob.status == 200) {
                        if(responseType == "text") {
                            var data = ob.responseText;
                            ob = null;
                            if(object != null)
                                onload.call(object, data);
                            else
                                onload.call(myPage, data);
                        } else {
                            var data = ob.responseXML;
                            if(mXml.useActiveX) {
                                var xmlResponse = data.childNodes[1];
                            } else {
                                var xmlResponse = data.firstChild;
                            }
                            if(object != null)
                                onload.call(object, data);
                            else
                                onload.call(myPage, data);
                        }
                    }
                }
            };
            ob.setRequestHeader("myhead","noval");
            ob.send(null);
        } else {
            ob.send("");
            if(ob.status==200) {
                if(responseType=="text") {
                    var data=ob.responseText;

                    if(object!=null)
                        onload.call(object,data);
                    else
                        onload.call(myPage,data);
                } else {
                    var data=ob.responseXML;

                    if(mXml.useActiveX) {
                        var xmlResponse = data.childNodes[1];
                    } else {
                        var xmlResponse = data.firstChild;
                    }

                    if(object!=null)
                        onload.call(object,data);
                    else
                        onload.call(myPage,data);
                }
            }
        }
    }
};