页面加载时每隔30秒刷新本页面

　　　　　window.onload = function () {
            ChkTicketSuccess();
        }
        var timer;
        var times = 0;
        function ChkTicketSuccess() {
            clearTimeout(timer);
            if (times > 0) {
                window.location.reload();
            }
            timer = setTimeout("ChkTicketSuccess()", 30000);
            times = 1;
        }