function setServerTime() {
    getServerTime();
    setInterval("getServerTime()", 60000);
}

function getServerTime() {
    jQuery.ajax({
        url: siteURL + "/Service/UtilService.asmx/GetServerTime",
        success: function (data) {
            var d = data.text;
            if (!d) {
                d = data.childNodes[0].textContent;
            }
            if (d != "") {
                try {
                    jQuery("#serverTime").html("CET, " + d);
                } catch (Error) { }
            }
        },
        error: function (x, y, z) {
            var er = x;
        }
    });
}