var XmlHttpObj;
function CreateXmlHttpObj(){
    try {
        XmlHttpObj = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch(e) {
        try {
            XmlHttpObj = new ActiveXObject("Microsoft.XMLHTTP");
        }
        catch(oc) {
            XmlHttpObj = null;
        }
    }
    if(!XmlHttpObj && typeof XMLHttpRequest != "undefined")
        XmlHttpObj = new XMLHttpRequest();
}

function sendAjaxRequest(url){
    CreateXmlHttpObj();
    if( XmlHttpObj) {
        XmlHttpObj.onreadystatechange = rtnSubCat;
        XmlHttpObj.open("GET", url,  true);
        XmlHttpObj.send(null);
    }
}

function GetInnerText (node){
    return (node.textContent || node.innerText || node.text) ;
}

function sendAjaxRequestBlog(url, callback){
    CreateXmlHttpObj();
    if( XmlHttpObj) {
        XmlHttpObj.onreadystatechange = callback;
        XmlHttpObj.open("GET", url,  true);
        XmlHttpObj.send(null);
    }
}