淡入淡出(折叠效果)and点击切换背景图片
<!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>left</title>
<!--jquery.js需要自己下载哦-->
<script language="JavaScript" src="js/jquery.js"></script>
<script type="text/jscript">
// //顶部导航切换
$(document).ready(function(){
$('.menus li a').click(function(){
$('.menus li a').removeClass('active')
$(this).addClass('active')
});
// //折叠效果
$('.title').click(function(){
var $ul=$(this).next('ul');
$('.left_menu').find('ul').slideUp();
if($ul.is(':visible')){
$(this).next('ul').slideUp();
}else{
$(this).next('ul').slideDown()
}
});
})
</script>
<style>
#body{ background:#f0f9fd repeat; margin:0; padding:0;}
.left_top{ background:url(images/lefttop.gif) center repeat-x;height:40px; color:#FFF; line-height:40px;}
.left_top span{margin-left:8px; margin-top:10px;margin-right:8px; background:url(images/leftico.png) no-repeat; width:20px; height:21px;float:left;}
.left_menu{ width:185px; height:auto; border-right:#999 1px solid; }
.title{height:30px;width:185px; line-height:30px; font-size:12px; font-weight:bold; background:#d4e6f0 center repeat-x; border-bottom:#999 1px solid;}
.title img{padding-left:20px; padding-right:5px; }
.menus{margin-top:0px; height:auto; display:none;}
.menus li{font-size:12px; list-style:none; height:30px;}
.active{ background:url(images/libg.png) center repeat-x; height:30px; }
.menus li a{text-decoration:none; color:#000; height:30px; display:block; line-height:30px;}
</style>
</head>
<body id="body">
<div class="left_top"><span></span>通讯录</div>
<div class="left_menu">
<div class="title">
<span><img src="images/leftico01.png" /></span>管理信息
</div>
<!--想让哪个菜单默认是显示的只需将display:none;改为display:block;即可-->
<ul class="menus" style="display:block;">
<li><a href="#" >首页模版</a></li>
<li><a href="#" class="active">数据列表</a></li>
<li><a href="#">图片数据表</a></li>
</ul>
<div class="title">
<span><img src="images/leftico01.png" /></span>其他设置
</div>
<ul class="menus">
<li><a href="#">编辑内容</a></li>
<li><a href="#">发布信息</a></li>
</ul>
</div>
</body>
</html>
