<nav class="navbar navbar-default navbar-fixed-top" role="navigation">

  <div class="container-fluid">

    <div class="navbar-header">

      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar-collapse" aria-expanded="false">

        <span class="sr-only">Toggle navigation</span>

        <span class="icon-bar"></span>

        <span class="icon-bar"></span>

        <span class="icon-bar"></span>

      </button>

      %= link_to url_for('index') => (class => 'navbar-brand') => begin

        <span class="glyphicon glyphicon-home"></span>

        Crashs

      % end

    </div>

    <div class="collapse navbar-collapse" id="navbar-collapse">

      <ul class="nav navbar-nav">

        %=t li => (class => current_route('groups') ? "active" : "") => begin

          %= link_to 'Groups' => url_for('groups')

        % end

        %=t li => (class => current_route('reports') ? "active" : "") => begin

          %= link_to 'Reports' => url_for('reports')

        % end

      </ul>

      % if(current_route('groups') || current_route('reports')) {

      <form id="search-box" class="navbar-form navbar-right" method="get" action="<%= url_for("current") %>" role="search">

        <div class="input-group">

          <input name="search" type="text" style="width:400px;" class="form-control" placeholder="Search" value="<%= param("search") %>">

          <span class="input-group-btn">

            <button class="btn btn-default" type="submit"><span class="glyphicon glyphicon-search"></span></button>

          </span>

        </div>

      </form>

      % }

    </div>

  </div>

</nav>