anchor.diff:          <button class="btn btn-default btn-xs" id="toggle-fullscreen-btn">
             <span class="glyphicon glyphicon-fullscreen" aria-hidden="true"></span>
             Toggle fullscreen
  +        </button>
  +        <button class="btn btn-default btn-xs" id="show-all-nodes-btn">
  +          Show all nodes
           </button>
         </div>
         <div class="isa-wrapper">
  
positive.code:             $j('#cy').show();
              $j('#jstree').show();
              $j('#node_info').show();
              $j('#jstree').css('width', '300px');
              cy.fit(ISA.defaults.padding);
              cy.resize();
  
negative.code:             $j('#node_info').hide();
              $j('#jstree').show();
              $j('#jstree').css('width', '100%');
              $j('#show-all-nodes-btn').hide();
              return false;
          },
  
  