function ajax(url) {
    

       var request = new XMLHttpRequest();
       request.open("GET",url,true);
       request.setRequestHeader("Content-Type","application/x-javascript;");
       request.onreadystatechange = function() {
       
            if (request.readyState==1)
            {
                document.getElementById("News").innerHTML  = "<br /><br /><div style=\"text-align:center;\"><img src='images/ajax-loader.gif'></div>";
            }
       
            if (request.readyState==4 && request.status==200) {
             if (request.responseText) {
                document.getElementById("News").innerHTML = request.responseText;
             }
            }
           };
        request.send(null);   
    }