12行のスクリプトでアコーディオンメニューを実装する

<!DOCTYPE>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html"; charset="utf-8">
<title>jQuery Click Outside Test</title>
<style>
/* display */
.more-information {display: none;}
</style>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<script>
$(function(){
  $('.read-more a').bind('click', function(){
    $('.more-information').hide();
    $('.read-more a').show();
    $('.more-information', $(this).closest('.title')).show('slide');
    $(this).hide();
  });
  $('.hide-more-information').bind('click', function(){
    $('.more-information').hide('slide');
    $('.read-more a').show();
  });
});
</script>
</head>
<body>
<ul>
  <li id="a" class="title">
    <h2>Aa<span class=""></span></h2>
    <p class="introduction">AAA</p>
    <p class="more-information">AAAA<br><span class="hide-more-information"><a href="javascript://">詳細を閉じる</a></span></p>
    <p class="read-more"><span><a href="javascript://">詳細をみる</a></span></p>
  </li>
  <li id="b" class="title">
    <h2>Bb<span class=""></span></h2>
    <p class="introduction">BBB</p>
    <p class="more-information">BBBB<br><span class="hide-more-information"><a href="javascript://">詳細を閉じる</a></span></p>
    <p class="read-more"><span><a href="javascript://">詳細をみる</a></span></p>
  </li>
  <li id="c" class="title">
    <h2>Cc<span class=""></span></h2>
    <p class="introduction">CCC</p>
    <p class="more-information">CCCC<br><span class="hide-more-information"><a href="javascript://">詳細を閉じる</a></span></p>
    <p class="read-more"><span><a href="javascript://">詳細をみる</a></span></p>
  </li>
</ul>
</body>
</html>