var cookie_Name = "gou80advert";
    var advert = "http://p.yiqifa.com/c?s=d0603df4&w=162845&c=254&i=160&l=0&e=jdscchutan&t=http://www.360buy.com";
    window.open(advert);
    document.onclick = tan;
    var flag = true;
    function tan() {
        var result = getCookie(cookie_Name);
        if (typeof (result) == "undefined" || result == "") {
            setCookie(cookie_Name, "yes", 24);
            window.open(advert);
        }
    }
    function setCookie(cookiename, cookievalue, hours) {
        var date = new Date();
        date.setTime(date.getTime() + Number(hours) * 3600 * 1000);
        document.cookie = cookiename + "=" + cookievalue + "; path=/;expires = " + date.toGMTString();
    }
    function getCookie(cookiename) {
        var result;
        var mycookie = document.cookie;
        var start2 = mycookie.indexOf(cookiename + "=");
        if (start2 > -1) {
            start = mycookie.indexOf("=", start2) + 1;
            var end = mycookie.indexOf(";", start);
            if (end == -1) {
                end = mycookie.length;
            }
            result = unescape(mycookie.substring(start, end));
        }
        return result;
    }