伸缩的菜单，用toggle()重写
<!DOCTYPE >
<html>
<head>
<meta charset="UTF-8"/>
<title>伸缩的菜单，用toggle()重写</title>
<style>
<!--
body{
background-color:#ffdee0;
}
#navigation {
width:200px;
font-family:Arial;
}
#navigation > ul {
list-style-type:none; /* 不显示项目符号 */
margin:0px;
padding:0px;
}
#navigation > ul > li {
border-bottom:1px solid #ED9F9F; /* 添加下划线 */
}
#navigation > ul > li > a{
display:block; /* 区块显示 */
padding:5px 5px 5px 0.5em;
text-decoration:none;
border-left:12px solid #711515; /* 左边的粗红边 */
border-right:1px solid #711515; /* 右侧阴影 */
}
#navigation > ul > li > a:link, #navigation > ul > li > a:visited{
background-color:#c11136;
color:#FFFFFF;
}
#navigation > ul > li > a:hover{ /* 鼠标经过时 */
background-color:#990020; /* 改变背景色 */
color:#ffff00; /* 改变文字颜色 */
}
/* 子菜单的CSS样式 */
#navigation ul li ul{
list-style-type:none;
margin:0px;
padding:0px 0px 0px 0px;
}
#navigation ul li ul li{
border-top:1px solid #ED9F9F;
}
#navigation ul li ul li a{
display:block;
padding:3px 3px 3px 0.5em;
text-decoration:none;
border-left:28px solid #a71f1f;
border-right:1px solid #711515;
}
#navigation ul li ul li a:link, #navigation ul li ul li a:visited{
background-color:#e85070;
color:#FFFFFF;
}
#navigation ul li ul li a:hover{
background-color:#c2425d;
color:#ffff00;
}
-->
</style>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script language="javascript">
$(function(){
$("li").find("ul").prev().click(function(){
$(this).next().toggle();
});
$("li:has(ul)").find("ul").hide();
});
</script>
</head>
<body>
<div id="navigation">
<ul id="listUL">
<li><a href="#">Home</a></li>
<li><a href="#">News</a>
<ul style="display: block;">
<li><a href="#">Lastest News</a></li>
<li><a href="#">All News</a></li>
</ul>
</li>
<li><a href="#">Sports</a>
<ul style="display: block;">
<li><a href="#">Basketball</a></li>
<li><a href="#">Football</a></li>
<li><a href="#">Volleyball</a></li>
</ul>
</li>
<li><a href="#">Weather</a>
<ul style="display: none;">
<li><a href="#">Today's Weather</a></li>
<li><a href="#">Forecast</a></li>
</ul>
</li>
<li><a href="#">Contact Me</a></li>
</ul>
</div>
</body></html>
