redmine/app/views/common/_tabs.html.erb

<div class="tabs">
  <ul>
  <% tabs.each do |tab| -%>
    <li><%= link_to l(tab[:label]), (tab[:url] || { :tab => tab[:name] }),
                                    :id => "tab-#{tab[:name]}",
                                    :class => (tab[:name] != selected_tab ? nil : 'selected'),
                                    :onclick => tab[:partial] ? "showTab('#{tab[:name]}', this.href); this.blur(); return false;" : nil %></li>
  <% end -%>
  </ul>
  <div class="tabs-buttons" style="display:none;">
    <button class="tab-left" type="button" onclick="moveTabLeft(this);"></button>
    <button class="tab-right" type="button" onclick="moveTabRight(this);"></button>
  </div>
</div>

<% tabs.each do |tab| -%>
  <%= content_tag('div', render(:partial => tab[:partial], :locals => {:tab => tab} ),
                       :id => "tab-content-#{tab[:name]}",
                       :style => (tab[:name] != selected_tab ? 'display:none' : nil),
                       :class => 'tab-content') if tab[:partial] %>
<% end -%>