function ajaxCall (url)
{
    var page_req = false;
    if (window.XMLHttpRequest)
    {
        // Mozilla, Safari etc
        page_req = new XMLHttpRequest ();
    } else if (window.ActiveXObject)
    {
        // IE
        try 
        {
            page_req = new ActiveXObject ("Msxml2.XMLHTTP");
        }
        catch (e)
        {
            // IE Old
            try
            {
                page_req = new ActiveXObject ("Microsoft.XMLHTTP");
            }
            catch (e)
            {
            }
        }
    } 
    else
    return false;
    page_req.onreadystatechange = function ()
    {
        // Response
        loadReqPage (page_req);
    }
    page_req.open ('GET', url, true); // open & send
    page_req.send (null);
}
function loadReqPage (page_req)
{
    if (page_req.readyState == 4 && (page_req.status == 200 || window.location.href.indexOf ("http") == - 1))
    var aaa = page_req.responseText;
}