function getCookie(name) {
    if (!name || !document.cookie) return;

    var cookies = document.cookie.split("; ");
    for (var i = 0; i < cookies.length; i++) {
        var str = cookies[i].split("=");
        if (str[0] != name) continue;
        return unescape(str[1]);
    }
    return;
}
function setCookie(name, value, domain, path, expires, secure) {
    if (!name) return;

    var str = name + "=" + escape(value);
    if (domain) {
        if (domain == 1) domain = location.hostname.replace(/^[^\.]*/, "");
        str += "; domain=" + domain;
    }
    if (path) {
        if (path == 1) path = location.pathname;
        str += "; path=" + path;
    }
    if (expires) {
        var nowtime = new Date().getTime();
        expires = new Date(nowtime + (60 * 60 * 24 * 1000 * expires));
        expires = expires.toGMTString();
        str += "; expires=" + expires;
    }
    if (secure && location.protocol == "https:") {
        str += "; secure";
    }

    document.cookie = str;
}