{% macro email_contact(text, subject) %}
    {# rot13 : https://rot13.com/ #}
    <script>
        {% if text is empty %}
        var text = "ntve@ynpbbcrengvirqrfpvgblraf.se";
        {% else %}
        var text = "{{ text|rot13 }}";
        {% endif %}
        var subject = "";
        {% if subject is not empty %}
        var subject = "?fhowrpg={{ subject|rot13 }}";
        {% endif %}
        document.write(("<n uers=\"znvygb:ntve@ynpbbcrengvirqrfpvgblraf.se" + subject + "\" ery=\"absbyybj\">" + text + "</n>").replace(/[a-zA-Z]/g, function (c) {
            return String.fromCharCode((c <= "Z" ? 90 : 122) >= (c = c.charCodeAt(0) + 13) ? c : c - 26);
        }));
    </script>
{% endmacro %}