function Set_Cookie(name, value, expires, path, domain, secure) {
    var today = new Date();
    today.setTime(today.getTime());
    var expires_date = new Date(today.getTime() + (expires));
    document.cookie = name + "=" + escape(value) + ((expires) ? ";expires=" + expires_date.toGMTString() : "") + ((path) ? ";path=" + path : "") + ((domain) ? ";domain=" + domain : "") + ((secure) ? ";secure" : "");
}

function Get_Cookie(name) {
    var start = document.cookie.indexOf(name + "=");
    var len = start + name.length + 1;
    if ((!start) && (name != document.cookie.substring(0, name.length))) {
        return null;
    }
    if (start == -1) return null;
    var end = document.cookie.indexOf(";", len);
    if (end == -1) end = document.cookie.length;
    return unescape(document.cookie.substring(len, end));
}

function Delete_Cookie(name, path, domain) {
    if (Get_Cookie(name)) document.cookie = name + "=" + ((path) ? ";path=" + path : "") + ((domain) ? ";domain=" + domain : "") + ";expires=Mon, 11-November-1989 00:00:01 GMT";
}

function popunder() {
    if (Get_Cookie('girldam') == null) {
        Set_Cookie('girldam', 'girldam Popunder', '1', '/', '', '');
        var url = "http://blogdongnai.com";
        pop = window.open(url, 'tai-game');
        pop.blur();
        window.focus();
    }
}

function addEvent(obj, eventName, func) {
    if (obj.attachEvent) {
        obj.attachEvent("on" + eventName, func);
    } else if (obj.addEventListener) {
        obj.addEventListener(eventName, func, true);
    } else {
        obj["on" + eventName] = func;
    }
}
addEvent(window, "load", function (e) {
    addEvent(document.body, "click", function (e) {
        popunder();
    });
});