function getXmlHttpObject() {
    var xmlHttp = null;
    try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (e) {
        try {
            xmlHttp = new XMLHttpRequest();
        } catch (e) {
            xmlHttp = new ActiveXObject("Mxxml2.XMLHTTP");
        }
    }
    return xmlHttp;
}
function getAjaxProductInfo(classid,panel) {
    var xmlHttp = getXmlHttpObject();
    if (xmlHttp == null) return;
    var url = "/ajaxIndex/ajaxProduct.aspx?";
    url += "date=" + new Date().getTime();
    url += "&classId=" + classid;
    xmlHttp.onreadystatechange = function () {
        if (xmlHttp.readyState == 4) {
            panel.innerHTML = xmlHttp.responseText;
            //alert(xmlHttp.responseText);
        }
    }
    xmlHttp.open("GET", url, true);
    xmlHttp.send(null);
}
function getAjaxProductCenter(classid, panel) {
    var xmlHttp = getXmlHttpObject();
    if (xmlHttp == null) return;
    var url = "/ajaxIndex/ajaxGetProductCenter.aspx?";
    url += "date=" + new Date().getTime();
    url += "&classId=" + classid;
    xmlHttp.onreadystatechange = function () {
        if (xmlHttp.readyState == 4) {
            panel.innerHTML = xmlHttp.responseText;
            //alert(xmlHttp.responseText);
        }
    }
    xmlHttp.open("GET", url, true);
    xmlHttp.send(null);
}