   ],
          layout: {
            topStart: {
              buttons: [
                { text: 'Edit',
                  action: function () { 
                    rows = imagesDataTable.rows({ selected: true });
                    editImage(rows.data()[0]['fingerprint']);
                  },
                  enabled: false,
                },
                'spacer',
                { text: 'Refresh',
                  action: function () { 
                    arr = []
                    imagesDa