$(function() {
     $('#accordion dd').hide();
     $('#accordion dt a').click(function(e){
          if($(this).parent().hasClass('current')) {
               $(this).parent()
                   .removeClass('current')
                   .next('#accordion dd').slideUp();
          } else {
               $(document).find('.current')
                    .removeClass('current')
                    .next('#accordion dd').slideUp();
              $(this).parent()
                    .addClass('current')
                    .next('#accordion dd').slideDown();
          }
          e.preventDefault();
      });
});