<!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=UTF-8">
<title>jquery select</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs
/jquery/1.4.0/jquery.min.js"></script>
<style type="text/css">
body {padding:10px; font-family:"宋体"}
* {margin:0; padding:0; font-size:12px;}
a{ color: #333;}
ul,li {list-style-type:none;}
.menu_list li a {display:block; line-height:30px; text-align:center; height:30px; background:#e8e8e8; border-bottom:1px solid #ccc;}
.hover {background:#e8e8e8;}
.div1{ height:200px; display:none; padding:5px;}
.menu_list{ width:200px; background:#f2f2f2; border:1px solid #ccc;}
</style>
<script type="text/javascript">
$(document).ready(function()
{
$(".menu_list ul li").click(function()
{
if($(this).children(".div1").is(":hidden"))//判断对象是显示还是隐藏
{
if(!$(this).children(".div1").is(":animated")){
//如果当前没有进行动画,则添加新动画
$(this).children(".div1").animate({height:'show'},1000)
.end().siblings().find(".div1").hide(1000);}
}else{
if(!$(this).children(".div1").is(":animated")){