anchor.diff:          <%= link_to t('buttons.update'), '#', onclick: "return updateProposal();", class: 'update2 btn blue' %>
           <%= link_to t('pages.proposals.edit.compress_solutions'), '#', onclick: 'return compressSolutions();', data: {other: t('pages.proposals.edit.expand_solutions')}, class: 'compress btn' %>
           <%= link_to t('pages.proposals.edit.hide_contributes'), '#', onclick: 'return hideContributes();', data: {other: t('pages.proposals.edit.show_contributes')}, class: 'contributes btn' %>
  -        <%= link_to t('buttons.cancel'), @proposal.private ? group_proposal_url(@proposal.presentation_groups.first, @proposal) : proposal_url(@proposal, subdomain: false), class: 'btn', confirm: t('pages.proposals.edit.cancel_confirm') %>
  +        <%= link_to t('buttons.cancel'), @proposal.private ? group_proposal_url(@proposal.presentation_groups.first, @proposal) : proposal_url(@proposal, subdomain: false), class: 'btn' %>
         </div>
         <div class="mybox">
           <h4><%= t('pages.proposals.edit.navigator') %></h4>
  
positive.code:         }
      });
  
  
      function fillCleanFields() {
          var integrated_ = $('#proposal_integrated_contributes_ids_list').val();
          <%if @proposal.contributes.count > 0%>
  
negative.code:             return false;
          }
  
  
          var safe_exit = false;
  
          function check_before_exit() {
              if (safe_exit) {
                  return null;
              }
              else {
                  return "Tutte le modifiche alla proposta andranno perse."
              }
          };
  
          window.onbeforeunload = check_before_exit;
  
      </script>
  <% end %>