cookie.js

function showCookieBanner() {
    if (getCookie("cookie-banner") == "oha, du hasst kekse akzeptiert") {
        document.body.style.overflow = "auto";
        $("#cookie-banner").remove();
    } else {
        document.body.style.overflow = "hidden";
    }

}

function hideCookieBanner() {
    document.body.style.overflow = "auto";
    $("#cookie-banner").fadeOut("slow");
    setCookie("cookie-banner", "oha, du hasst kekse akzeptiert");
}  

function setCookie(name, value, days) {
    var expires = "";
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        expires = "; expires=" + date.toUTCString();
    }
    document.cookie = name + "=" + (value || "") + expires + "; path=/";
}

function getCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var 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;
}

function eraseCookie(name) {
    document.cookie = name + '=; Path=/; Expires=Thu, 01 Jan 1970 00:00:01 GMT;';
}