$(document).ready(function() {
                // replace cookie setting
                window.Cookie = {
                    'isAllowed': function() {
                        return !!(window.Cookie.get('cookie_allowed') && window.Cookie.get('cookie_allowed').length > 0);
                    },
                    'getAllowedDomains': function(level) {
                        var domains = [];
                        if(level && level > 0) {
                            domains = [];
                                                        domains[1] = [];
                                                            domains[1].push('internal');
                                                        domains[2] = [];
                                                            domains[2].push('internal');
                                                        domains[2].push('script');
                                                        domains[3] = [];
                                                            domains[3].push('internal');
                                                        domains[3].push('frame');
                                                        domains[4] = [];
                                                            domains[4].push('internal');
                                                        domains[4].push('script');
                                                        domains[4].push('frame');
                                                        return domains[level];
                        } else if(window.Cookie.isAllowed()) {
                            domains = window.Cookie.get('cookie_allowed').split("+");
                            if(domains && domains.length > 0) {
                                for(var n = 0; n < domains.length; n++) {
                                    if(domains[n] === "self" || domains[n] === "internal") {
                                        domains[n] = window.location.hostname;
                                    }
                                }
                            }
                        }
                        return [];
                    },
                    'get': function(sKey) {
                        return decodeURIComponent(document.cookie.replace(new RegExp("(?:(?:^|.*;)\\s*" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*([^;]*).*$)|^.*$"), "$1")) || null;
                    },
                    'set': function (sKey, sValue, vEnd, sPath, sDomain, bSecure) {
                        if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/i.test(sKey)) {
                            return false;
                        }
                        var sExpires = "";
                        if (vEnd) {
                            switch (vEnd.constructor) {
                                case Number:
                                    sExpires = vEnd === Infinity ? "; expires=Fri, 31 Dec 9999 23:59:59 GMT" : "; max-age=" + vEnd;
                                    break;
                                case String:
                                    sExpires = "; expires=" + vEnd;
                                    break;
                                case Date:
                                    sExpires = "; expires=" + vEnd.toUTCString();
                                    break;
                            }
                        }
                        document.cookie = encodeURIComponent(sKey) + "=" + encodeURIComponent(sValue) + sExpires + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "") + (bSecure ? "; secure" : "");
                        return true;
                    },
                    'disable': function() {
                        if(!document.__defineGetter__ && !document.__defineSetter__) {
                            Object.defineProperty(document, 'cookie', {
                                get: function() { return '' },
                                set: function() { return true }
                            });
                        } else {
                            document.__defineGetter__("cookie", function() {return ''; });
                            document.__defineSetter__("cookie", function() { });
                        }
                        return true;
                    },
                    'enable': function(level) {
                        var domains = window.Cookie.getAllowedDomains(level);
                        if(domains && domains.length > 0) {
                            // allow to access external frames and other sources
                            $('script,iframe').each(function() {
                                var $el = $(this);
                                var tmpSrc = $el.attr('data-src');
                                var tag = $el.prop('tagName');
                                for(var n = 0; n < domains.length; n++) {
                                    var domain = domains[n];
                                    if(tmpSrc && tmpSrc.indexOf(domain) !== -1 || (domain === "script" && tag === "SCRIPT") || (domain === "frame" && tag === "IFRAME")) {
                                        // domain of source allowed
                                        $el.attr('src', tmpSrc);
                                    }
                                }
                            });
                        }
                        return true;
                    },
                    'init': function() {
                        if(!window.Cookie.isAllowed()) {
                            console.log('FYI: Cookies are disabled.');
                            // display cookie box
                            // display the cookie box
                            var $outerBox = $('<div />', {'class': 'box-cookie-outer'});
                            var $box = $('<div />', {'class': 'box-cookie'});
                            var $boxIcon = $('<div />', {'class': 'box-cookie-icon', 'html': ''});
                            var $title = $('<strong />', {'class': 'box-cookie-title', 'text': 'This website uses cookies'});
                            var $description = $('<div />', {'class': 'box-cookie-description', 'html': 'We use cookies to personalize the content and to allow a better user experience on the website. We only use website-internal cookies, which are required for the usage of the website. Therefore, we don\'t share any cookie information with any third party.'});
                            var $buttons = $('<div />', {'class': 'box-cookie-action'});
                            var $accept = $('<button />', {'class': 'box-cookie-button', 'id': 'acceptCookies', 'text': 'Accept cookies'});
                            var $details = $('<a />', {'class': 'box-cookie-button', 'text': 'More details', 'href': './page/Privacy-Policy'});

                            $accept.on('click', function() {
                                $outerBox.fadeOut(function() {
                                    $outerBox.remove();
                                    window.Cookie.enable(1);
                                });

                                $.ajax({
                                    'url': '',
                                    'method': 'POST',
                                    'data': {'allow_cookies': '1'},
                                    success: function() {
                                        console.log("Cookies will be accepted.");
                                    },
                                    error: function(xhr, response, errorThrown) {
                                        console.error("Error: " + xhr.status + " " + errorThrown);
                                    }
                                });
                            });

                            $box.append($boxIcon)
                                .append($title)
                                .append($description)
                                .append($buttons.append($accept)
                                    .append($details));
                            $outerBox.append($box);
                            $('body').append($outerBox);

                            // remove possibility to add cookies through JavaScript
                            return window.Cookie.disable();
                        }
                        console.log('FYI: Cookies are enabled.');
                        return window.Cookie.enable(1);
                    }
                };
                window.Cookie.init();
            });