window.setCookie = function (key, value, days) {
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    d.setTime(d.getTime() + (days * 24 * 60 * 60 * 1000));
    let expires = "expires=" + d.toUTCString();
    document.cookie = key + "=" + value + ";" + expires + ";path=/";
}

window.deleteCookie = function (key) {
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}

window.getCookie = function (cname) {
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        if (c.indexOf(name) == 0) {
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    }
    return "";
}