标签：
<style type="text/css">
*{ margin:0px auto; padding:0px}
#xiala{ width:180px; height:33px; border:1px solid #999;text-align:center; line-height:33px; vertical-align:middle; }
#xiala:hover{ cursor:pointer}
#zi{width:180px; height:150px; border:1px solid #63C; border-top:0px; display:none}
.list{width:180px; height:33px; text-align:center; line-height:33px; vertical-align:middle; border-bottom:1px solid #63C; padding: 0px;">.list:hover{ cursor:pointer; background-color:#63C; color:white}
</style>
</head>
<body>
<div style="width:700px; height:500px; margin-top:30px">
<div id="xiala" onclick="Show()"></div>
<div id="zi">
<div class="list" onclick="Xuan(this)">山东</div>
<div class="list" onclick="Xuan(this)">淄博</div>
<div class="list" onclick="Xuan(this)">张店</div>
</div>
</div>
</body>
<script type="text/javascript">
function Show()
{
document.getElementById("zi").style.display="block";
}
function Xuan(ys)
{
var v = ys.innerText;
document.getElementById("xiala").innerText = v;
document.getElementById("zi").style.display="none";
}
</script>
</html>
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原文地址：http://www.cnblogs.com/xiaofox0018/p/5899430.html
