anchor.diff:      function removeSolutionSection(el, hide) {
           if (confirm('<%=j t('pages.proposals.edit.confirm_paragraph_deletion')%>')) {
               var section_ = $(el).parent().parent();
  -            var solution_id = $(el).attr('data-solution_id');
  +            var solution_id = section_.parent().attr('data-solution_id');
               var section_id = $(el).attr('data-section_id');
               if (hide) {
                   $('input[name="proposal\[solutions_attributes\]\[' + solution_id + '\]\[sections_attributes\]\[' + section_id + '\]\[_destroy\]"]').val(1);
  
positive.code:                     section_.remove();
                  });
              }
          }
      }
  
  
negative.code:                 addEditor(textareaId);
              }
              var i = 0;
  
              //navigator update
  
              var nav_ = $('.navigator');
              nav_.find('li.sec_nav').addClass('detach');
  
              $(this).find('p').each(function (el) {
                  var sec_id = $(this).attr('data-section_id');
                  var id = $(this).find('textarea').attr('id');
                  var seq_id = id.replace(/paragraphs_attributes.*/, 'seq');
                  $('#' + seq_id).val(i++)
  
                  //navigator update
                  var list_ = nav_.find('li.sec_nav[data-section_id='+sec_id+']').detach();
                  list_.removeClass('detach');
                  var last_ = nav_.find('li.sec_nav').not('.detach').last();
                  if (last_.length > 0) {
                      last_.after(list_);
                  }
                  else {
                      nav_.prepend(list_);
                  }
              });
          }
      });
  