var xmlHttp = false;
try {
    xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
    try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (e2) {
        xmlHttp = false;
    }
}
if (!xmlHttp && typeof XMLHttpRequest != 'undefined') {
    xmlHttp = new XMLHttpRequest();
}
try {
    var url = "/CommonAction.aspx?Action=IndexBanner&val=" + Math.random();
    xmlHttp.open("GET", url, true);
    xmlHttp.onreadystatechange = function() {
        if (xmlHttp.readyState == 4) {
            if (xmlHttp.status == 200) {
                document.getElementById("banner").innerHTML = xmlHttp.responseText;
            }
        }
    }
    xmlHttp.send(null);
} catch (eer) { }