anchor.diff:          <div class="span12 form-inline">
             <span class="label label-success">Los geht's:</span>
             Klick deine Urlaubstage für <%= year %> einfach an.
  -          <span class="label label-important">Neu:</span>
  -          <button class="btn btn-link" id="halfdays">Halbe Tage.</button>
             <label for="region">Feiertage anzeigen für:</label>
             <select id="region" class="medium">
               <option name="de_by">Bayern</option>
  
positive.code:     $(function() {
        var toggle_vacation_class = "vacation";
        $("#copy").popover({trigger: 'manual', placement: 'top'});
  
        $("#halfdays").click(function() {
          $(".vacation, #save").expose({
  
negative.code:         <div class="span2">
            <%= link_to_previous_year(year) %>
          </div>
          <div class="span3">
            <button id="save" class="btn btn-success"><%= button_label %></button>
          </div>
          <div class="span3">
            <%= link_to_icalendar_export %>
          </div>
          <div class="span2">
            <button id="halfdays" class="btn" rel="popover" title="Halbe Tage markieren" data-content="Klicke hier, um bereits markierte Tage auszuwählen, die nur halb zählen." data-trigger="hover" data-placement="top">&#xbd; Tage markieren</button>
          </div>
          <div class="span2">
            <%= link_to_next_year(year) %>
  