app/views/customers/_navbar.html.erb
<section id="navbar">
<div class="navbar">
<div class="navbar-inner">
<div class="container" style="width: auto;">
<a class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</a>
<%= link_to navbar_title==nil ? t("customers.title") : navbar_title, "#", :class => "brand" %>
<div class="nav-collapse">
<ul class="nav">
<li <%= 'class=active' if active == :search %> ><%= link_to t("customers.index.title"), customers_path %></li>
<li <%= 'class=active' if active == :new %> ><%= link_to t("customers.new.link"), new_customer_path %></li>
<li <%= 'class=active' if active == :edit %> ><%= link_to t("customers.edit.link"), "#" %></li>
</ul>
</div><!-- /.nav-collapse -->
</div>
</div><!-- /navbar-inner -->
</div><!-- /navbar -->
</section >