<%= link_to( { :action => 'show_successor_fields', :id => id },
             { :onclick => makeOnClick('successor-view', 'show_successor_fields', controller_name, { :id => id }),
               :title => 'Vorgänger zuweisen', :remote => true }) do %>
      <span><i class="fa fa-plus force-color-inheritance" aria-hidden="true"></i> Vorgänger zuweisen</span>
<% end %>
