$(function() {
  $('.accordion').each(function(){
    var accordion_title = $(this).attr('title');
    var accordion_link = 
      $('<a class="accordion_link" href="javascript:void(0);">' + accordion_title + '&nbsp;&nbsp;＋</a>').toggle(
        function(){
          $(this).html(accordion_title + '&nbsp;&nbsp;－');
          $(this).parent().next().slideDown();
        },
        function(){
          $(this).html(accordion_title + '&nbsp;&nbsp;＋');
          $(this).parent().next().slideUp();
        }
      );
    var accordion_p = $('<p></p>').append(accordion_link);
    $(this).css({'display':'none'}).before(accordion_p);
  });
});