$(document).ready(function() {

        $('div.lista-expansivel> div').hide(); 

        $('div.lista-expansivel> h3').click(function() {

          var $nextDiv = $(this).next();

          var $visibleSiblings = $nextDiv.siblings('div:visible');

       

          if ($visibleSiblings.length ) {

            $visibleSiblings.slideUp('fast', function() {

              $nextDiv.slideToggle('fast');

            });

          } else {

             $nextDiv.slideToggle('fast');

          }

        });

      });