var Base64 = {
    // private property
    _keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
    // public method for encoding
    encode: function(input) {
        var output = "";
        var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
        var i = 0;
        input = Base64._utf8_encode(input);
        while (i < input.length) {
            chr1 = input.charCodeAt(i++);
            chr2 = input.charCodeAt(i++);
            chr3 = input.charCodeAt(i++);
            enc1 = chr1 >> 2;
            enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
            enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
            enc4 = chr3 & 63;
            if (isNaN(chr2)) {
                enc3 = enc4 = 64;
            } else if (isNaN(chr3)) {
                enc4 = 64;
            }
            output = output + this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) + this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
        }
        return output;
    },
    // public method for decoding
    decode: function(input) {
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;
        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
        while (i < input.length) {
            enc1 = this._keyStr.indexOf(input.charAt(i++));
            enc2 = this._keyStr.indexOf(input.charAt(i++));
            enc3 = this._keyStr.indexOf(input.charAt(i++));
            enc4 = this._keyStr.indexOf(input.charAt(i++));
            chr1 = (enc1 << 2) | (enc2 >> 4);
            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
            chr3 = ((enc3 & 3) << 6) | enc4;
            output = output + String.fromCharCode(chr1);
            if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
            }
            if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
            }
        }
        output = Base64._utf8_decode(output);
        return output;
    },
    // private method for UTF-8 encoding
    _utf8_encode: function(string) {
        string = string.replace(/\r\n/g, "\n");
        var utftext = "";
        for (var n = 0; n < string.length; n++) {
            var c = string.charCodeAt(n);
            if (c < 128) {
                utftext += String.fromCharCode(c);
            } else if ((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            } else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }
        }
        return utftext;
    },
    // private method for UTF-8 decoding
    _utf8_decode: function(utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;
        while (i < utftext.length) {
            c = utftext.charCodeAt(i);
            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            } else if ((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i + 1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            } else {
                c2 = utftext.charCodeAt(i + 1);
                c3 = utftext.charCodeAt(i + 2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }
        }
        return string;
    }
}



function setCookie(e, t, n) {
    var r = new Date;
    r.setDate(r.getDate() + n);
    var i = escape(t) + (n == null ? "" : "; expires=" + r.toUTCString());
    var parts = location.hostname.split('.');
    var subdomain = parts.shift();
    var upperleveldomain = parts.join('.');
    document.cookie = e + "=" + i + "; domain=" + upperleveldomain + ";path=/"
}

if (typeof utm_source === "undefined") {
    utm_source = "";
}
if (typeof utm_medium === "undefined") {
    utm_medium = "";
}
if (typeof utm_content === "undefined") {
    utm_content = "";
}
if (typeof utm_campaign === "undefined") {
    utm_campaign = "";
}

if (typeof cookie_ban === "undefined" && document.cookie.indexOf("sos-verkehrsrecht_ban=") == -1) {

    if (typeof media_format != "undefined") {

        var media_sizes = media_format.split("x");
        var media_width = media_sizes[0];
        var media_height = media_sizes[1];
        var iframe = '<iframe src="//media.sos-verkehrsrecht.de/media.php?media_format=' + Base64.encode(media_format) + '&utm_source=' + Base64.encode(utm_source) + '&utm_medium=' + Base64.encode(utm_medium) + '&utm_content=' + Base64.encode(utm_content) + '&utm_campaign=' + Base64.encode(utm_campaign) + '" width="100%" height="' + media_height + '" frameborder="0" scrolling="auto"></iframe>';

        if (typeof referrer_detection === "undefined" ||  referrer_detection == false) {

            document.write(iframe);

        } else {

            if (document.cookie.indexOf("sos-verkehrsrecht_media=") >= 0 || document.referrer.indexOf("google.de") > 0) {

                setCookie("sos-verkehrsrecht_media", "true", 1);

                document.write(iframe);

            }

        }

    }

} else {

    setCookie("sos-verkehrsrecht_ban", "true", 365);

}