function authcookie(key, nonce, username, password){
    $.getJSON('APIURI/api/userplus/generate_auth_cookie/?key='+key+'&nonce='+nonce+'&username='+username+'&password='+password, function(data)
        {
            if(data["status"] == "ok"){
                console.log("Authcookie wurde generiert.");
                console.log(data["cookie"]);

                username = data['user']['username'];
                userid = data['user']['id'];
                cookie = data['cookie'];
                email = data['user']['email'];
                displayname = data['user']['displayname'];
                description = data['user']['description'];
                nickname = data['user']['nickname'];
                userarray = data['user'];
                //Profilbild laden
                $.getJSON('XXXAPIURIXXX/?key=XXXAPIKEYXXX&user_id='+userid+'&type=full', function(data)
                    {
                        if(data["status"] == "ok"){
                            console.log("Profilbild geladen");
                            avatar = data['avatar'];
                            profile();
                            $( "main_container" ).animate({ "opacity": "0.0" }, "slow" );

                        } else {
                            console.log("Fehler beim Profilbild Laden.");
                        }
                    }
                );

                return data["cookie"];
            } else {
                console.log("Fehler bei erzeugung von Authcookie.");
                document.getElementById("loading-area").innerHTML = '<br>';
            }
        }
    );

}