SS Menu filter

<div class="nav-collapse collapse">

    <nav>

        <ul class="nav" id="mainnav">

            <% loop Menu(1) %>

                <li class="$LinkingMode">

                    <a href="$Link" class="menubutton" title="&raquo; $Title.XML"><span>$MenuTitle.XML</span></a>

                        <% if Children %>

                            <ul class="nav" id="subnav-collapse">

                                <% loop Children.Filter('ClassName', 'Foo') %>

                                    <li class="$LinkingMode">
                                        <a href="$Link" class="menubutton" title="&raquo; $Title.XML">$MenuTitle</a>
                                    </li>

                                <% end_loop %>

                            </ul>

                    <% end_if %>

                </li>

            <% end_loop %>

        </ul>

    </nav>

</div><!--/.nav-collapse -->