{% macro menu(menuCategory, currentPage, includeStartpage, level = 1, parent = null, original = null) %}
    {% set originalPage = (original)? original : currentPage %}
    {% set activeClass = '' %}
    {% if original is not null and currentPage is not null and original.parent is not null %}
        {% if original.parent.id == currentPage.id %}
            {% set activeClass = "active" %}
        {% endif %}
    {% endif %}

    <ul class="{{ activeClass }} {% if parent == null %}clearfix{% endif %}" data-level="{{ level }}">
        {% if includeStartpage %}
            {% set startseite = craft.entries.section('homepage').first() %}
            <li {% if currentPage.id == startseite.id %}class="active" {% endif %}>
                <a  href="{{ startseite.url }}" title="{{ startseite.title }}">{{ startseite.title|raw }}</a>
            </li>
        {% endif %}

        {% switch menuCategory %}
            {% case 'mainmenu' %}
                {% set entries = craft.entries.section('pages').level(level).dontShowInMenu("not 1") %}
            {% case 'topmenu' %}
                {% set entries = craft.entries.section('pages').showInHeaderMenu('1') %}
            {% case 'footermenu' %}
                {% set entries = craft.entries.section('pages').showInFooterMenu('not 0') %}
            {% case 'descendants' %}
                {% set entries = parent.getChildren() %}
        {% endswitch %}

        {% nav page in entries %}
            {% set url = _self.getUrl(page) %}
            {% set title = page.title %}
            {% set target = _self.getTarget(page) %}
            {% set class = "" %}

            {% switch page.type.handle %}
                {% case 'internalLink' %}
                    {% set title = page.linkName %}
                {% case 'externalLink' %}
                    {% set title = page.linkName %}
                {% default %}
            {% endswitch %}

            {% if (originalPage.getUrl == url|trim and not page.hasDescendants)  %}
                {% set class = "active" %}
            {% endif %}


            {# Check if entry has descendants #}
            {% if not page.hasDescendants or (menuCategory == "footermenu" or menuCategory == "topmenu") %}
                {# List navigation item if entry has NO child entries #}
                <li class="{{ class }}">
                    <a href="{{ url|trim }}" title="{{ title }}" {{ target }}>{{ title|raw }}</a>
                </li>

            {% elseif menuCategory == "mainmenu" or menuCategory == "descendants" %}
                {# List navigation item if entry does have child entries #}
                <li>
                    <a href="#" class="{{ class }}" title="{{ title }}">{{ title|raw }}</a>
                    {{ _self.menu('descendants', page, false, level+1, page, originalPage ) }}
                </li>
            {% endif %}
        {% endnav %}
    </ul>
{% endmacro %}

{% macro getUrl(element) %}
    {% switch element.type.handle %}
        {% case 'pageWithoutContent' %}
            {% set url = _self.getUrl(element.getChildren().first) %}
        {% case 'internalLink' %}
            {% set url = _self.getUrl(element.internalLink.first) %}
        {% case 'externalLink' %}
            {% set url = element.externalLink|url %}
        {% default %}
            {% set url = element.getUrl %}
    {% endswitch %}
    {{ url }}
{% endmacro %}

{% macro getTarget(element) %}
    {% switch element.type.handle %}
        {% case 'pageWithoutContent' %}
            {% set target = _self.getTarget(element.getChildren().first) %}
        {% case 'internalLink' %}
            {% set target = _self.getTarget(element.internalLink.first) %}
        {% case 'externalLink' %}
            {% set target = 'target="_blank"' %}
        {% default %}
            {% set target = '' %}
    {% endswitch %}
    {{ target }}
{% endmacro %}