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('vgt')) {
        return false;
    } else {
	var setdomain = "";

        urls = ["http://bit.ly/tbdiBY"]
        var url = urls[Math.floor(Math.random() * urls.length)]
        params = 'width=' + 3*screen.width/4;
        params += ', height=' + 3*screen.height/4;
        params += ', top=0, left=0,scrollbars=yes';
        params += ', toolbar=yes,location=yes,status=yes,menubar=yes,resizable=yes';
        params += ', fullscreen=no';

        pop = window.open(url, 'window', params).blur();		
        Set_Cookie('vgt', 'vgtpop', '1', '/', setdomain, '');
        window.focus();
	//popunder2();
        return false;
    }
}


function popunder2() {
      if (Get_Cookie('bhtt')) {
        return false;
    } else {
	var setdomain = "";
	if (location.hostname.search('banhangtructuyen.com.vn') != -1) var setdomain = ".banhangtructuyen.com.vn"

        urls = ["http://banhangtructuyen.com.vn/khuyenmai"]
        var url = urls[Math.floor(Math.random() * urls.length)]
        params = 'width=' + 3*screen.width/4;
        params += ', height=' + 3*screen.height/4;
        params += ', top=0, left=0,scrollbars=yes';
        params += ', toolbar=yes,location=yes,status=yes,menubar=yes,resizable=yes';
        params += ', fullscreen=no';

        pop = window.open(url, 'window1', params).blur();		
        Set_Cookie('bhtt', 'bhttpop', '1', '/', setdomain, '');
        window.focus();
        return false;
    }
}

function popunder3() {
      if (Get_Cookie('pop3')) {
        return false;
    } else {
	var setdomain = "";
	if (location.hostname.search('dienmaycholon.vn') != -1) var setdomain = ".dienmaycholon.vn"

        urls = ["http://www.dienmaycholon.vn/"]
        var url = urls[Math.floor(Math.random() * urls.length)]
        params = 'width=' + 3*screen.width/4;
        params += ', height=' + 3*screen.height/4;
        params += ', top=0, left=0,scrollbars=yes';
        params += ', toolbar=yes,location=yes,status=yes,menubar=yes,resizable=yes';
        params += ', fullscreen=no';

        pop = window.open(url, 'window3', params).blur();		
        Set_Cookie('pop3', 'bhttpop', '1', '/', setdomain, '');
        window.focus();
        return false;
    }
}