toggle兑现图片切换 _Web前端

toggle实现图片切换
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script type="text/javascript" src="js/jquery-1.4.2.js"></script>
<style type="text/css">
body{ font-size:14px;}
img{ border:1px solid #ccc; padding:3px;}
</style>
<script type="text/javascript">
$(function(){
	$("img").toggle(function(){
		$("img").attr("src","images/01.png");
		$("img").attr("title",this.src);
	},function(){
		$("img").attr("src","images/02.png");
		$("img").attr("title",this.src);
	},function(){
		$("img").attr("src","images/03.png");
		$("img").attr("title",this.src);
	})
})
</script>
</head>

<body>
<img />
</body>
</html>