anchor.diff:      initializeSearchButton: function(){
           $('#btn-search-col').button().click(function(){
               var search = $('#search-col').val();
  -            window.open(`https://open.hpi.de/courses/javaeinstieg2017/pinboard?query=${search}`, '_blank');
  -        })
  -
  -        $('#btn-search-modal').button().click(function(){
  -            var search = $('#search-modal').val();
               window.open(`https://open.hpi.de/courses/javaeinstieg2017/pinboard?query=${search}`, '_blank');
           })
   
  
positive.code:     var button = $('#requestComments');
      button.prop('disabled', true);
      button.on('click', function () {
        $('#comment-modal').modal('show');
      });
  
  
negative.code:                         url: $('#editor').data('intervention-save-url')});
                  }, timeUntilBreak);
  
  
                  setTimeout(function() {
                      var button = $('#requestComments');
                      if (!button.prop('disabled')){
                          $('#rfc_intervention_text').show();
                          $('#comment-modal').modal('show');
                          $.ajax({
                              data: {
                                  intervention_type: 'QuestionIntervention'
                              },
                              dataType: 'json',
                              type: 'POST',
                              url: $('#editor').data('intervention-save-url')});
                      };
                  }, timeUntilAskQuestion);
              }
          });
  