<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>