anchor.diff:    <li><a href="#"><%= t('more') %> ▼</a>
       <ul class="level-1">
         <li><%= link_to "#{t('calendar_text')}" , :controller => "calendar", :action=>"index" %></li>
  -      <li><%= link_to "#{t('examination')} <span class='right-arrow'>▶</span>" , :controller => "exam", :action=>"index" %>
  +      <li><%= link_to "#{t('examination')} <span class='right-arrow'>#{arrow_dir}</span>" , :controller => "exam", :action=>"index" %>
           <ul class="level-2">
             <%  if permitted_to? :index,:grading_levels %>
               <li><%= link_to "#{t('set_grading_levels')}" ,:controller=>'grading_levels',:action=>'index' %> </li>
  
positive.code:       </li>
        <li><%= link_to "#{t('news_text')}" , :controller => "news", :action=>"index" %></li>
        <li><%= link_to "#{t('event_creations')}" , :controller => "event", :action=>"index" %></li>
        <li><%= link_to "#{t('human_resource')} <span class='right-arrow'>▶</span>" , :controller => "employee", :action=>"hr" %>
          <ul class="level-2">
            <% if permitted_to? :settings, :employee %>
              <li><%= link_to "#{t('setting')}", :controller=>"employee", :action=>"settings"%></li>
  
negative.code:           <%end%>
          </ul>
        </li>
        <li><%= link_to "#{t('finance_text')} <span class='right-arrow'>#{arrow_dir}</span>" , :controller => "finance", :action=>"index" %>
          <ul class="level-2">
            <li><%= link_to "#{t('fees_text')}", :controller => "finance", :action => "fees_index" %> </li>
            <li><%= link_to "#{t('category')}", :controller => "finance", :action => "categories" %> </li>
  