请教大神，这段指向发音代码如何改为点击才发音，谢谢

请教大神，这段指向发音代码如何改为点击才发音，谢谢


<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />


</head>
<body>






<div class="menu" id="menu">
<ul class="lavaLamp">
<li><a href="../san3/index2.html?1.mp4">增广贤文-1</a></li>
<li><a href="../san3/index2.html?2.mp4">增广贤文-2</a></li>
<li><a href="../san3/index2.html?3.mp4">增广贤文-3</a></li></ul>
</div>


<script type="text/javascript" src="http://css.17yy.com/js/index_17yy17log.js"></script>

<script>
var player_nodes = ['.sub1 a', '.menu a', '.p1_L ul li a']
</script>
<script type="text/javascript" src="http://css.17yy.com/js/baiduPlayer.min.js"></script>
</body>
</html>