function setCookie(name, value, days = 365) {
    const d = new Date();
    d.setTime(d.getTime() + (days * 24 * 60 * 60 * 1000));
    let expires = "expires=" + d.toUTCString();
    document.cookie = name + "=" + value + ";" + expires + ";path=/;SameSite=Lax";
}

function getCookie(name) {
    let nameEQ = name + "=";
    let ca = document.cookie.split(';');
    for (let i = 0; i < ca.length; i++) {
        let c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
}