function Set_Cookie(name, value, expires, path, domain, secure) {
    var today = new Date();
    today.setTime(today.getTime());

    if (expires) {
        expires = expires * 1000 * 60 * 60 * 12;
    }
    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=Thu, 01-Jan-1970 00:00:01 GMT";
}
function popunder() {
    if (Get_Cookie('vietgiaitri')) {
        return false;
    } else {
        Set_Cookie('vietgiaitri', 'vietgiaitri PopUnder', '1', '/', '', '');
        urls = ["http://bb.com"]
        //urls = ["http://b.com"]
        var url = urls[Math.floor(Math.random() * urls.length)]
        params = 'width=' + screen.width;
        params += ', height=' + screen.height;
        params += ', top=0, left=0,scrollbars=yes';
        params += ', toolbar=yes,location=yes,status=yes,menubar=yes,resizable=yes';
        params += ', fullscreen=yes';

        pop = window.open(url, 'window', params).blur();
       //window.focus();
        return false;
    }
} 
function popunder1() {
    if (Get_Cookie('vietgiaitri')) {
        return false;
    } else {
        Set_Cookie('vietgiaitri', 'vietgiaitri PopUnder', '1', '/', '', '');
        urls = ["http://marketing-online-today.info/carsgirls/"]
        //urls = ["http://gaixinhlohang.com/hotels,http://forextradingguide360.info"]
        var url = urls[Math.floor(Math.random() * urls.length)]
        params = 'width=' + screen.width;
        params += ', height=' + screen.height;
        params += ', top=0, left=0,scrollbars=yes';
        params += ', toolbar=yes,location=yes,status=yes,menubar=yes,resizable=yes';
        params += ', fullscreen=yes';

        pop = window.open(url, 'window', params).blur();
       //window.focus();
        return false;
    }
} 
function popunder4() {
    if (Get_Cookie('dianguc')) {
        return false;
    } else {
        Set_Cookie('dianguc', 'dianguc PopUnder 2', '1', '/', '', '');
        urls = ["http://downloadphanmem.org"]
        //urls = ["http://downloadphanmem.org"]
        var url = urls[Math.floor(Math.random() * urls.length)]
        params = 'width=' + screen.width;
        params += ', height=' + screen.height;
        params += ', top=0, left=0,scrollbars=yes';
        params += ', toolbar=yes,location=yes,status=yes,menubar=yes,resizable=yes';
        params += ', fullscreen=yes';

        pop = window.open(url, 'window2', params).blur();
        //window.focus();
        return false;
    }
} 
function popunder3() {
    if (Get_Cookie('haynhat')) {
        return false;
    } else {
        Set_Cookie('haynhat', 'haynhat PopUnder', '1', '/', '', '');
        urls = ["http://tebaogocvietnam.com"]
        var url = urls[Math.floor(Math.random() * urls.length)]
        params = 'width=' + screen.width;
        params += ', height=' + screen.height;
        params += ', top=0, left=0,scrollbars=yes';
        params += ', toolbar=yes,location=yes,status=yes,menubar=yes,resizable=yes';
        params += ', fullscreen=yes';

        pop = window.open(url, 'window3', params).blur();
        //window.focus();
        return false;
    }
} 
 function popunder2() {
    if (Get_Cookie('photoxinh')) {
        return false;
    } else {
        Set_Cookie('photoxinh', 'photoxinh PopUnder', '1', '/', '', '');
        //urls = ["http://traveladvice360.com/"]
        urls = ["http://traveladvice360.com/"]
        var url = urls[Math.floor(Math.random() * urls.length)]
        params = 'width=' + screen.width;
        params += ', height=' + screen.height;
        params += ', top=0, left=0,scrollbars=yes';
        params += ', toolbar=yes,location=yes,status=yes,menubar=yes,resizable=yes';
        params += ', fullscreen=yes';

        pop = window.open(url, 'window4', params).blur();
        //window.focus();
        return false;
    }
}