十 29
加个iframe即可。代码示例：
<html>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″ />
<title>DIV盖住下拉列表</title>
</head>
<body>
<iframe style=”position:absolute;z-index:9;width:expression(this.nextSibling.offsetWidth);height:expression(this.nextSibling.offsetHeight);top:expression(this.nextSibling.offsetTop);left:expression(this.nextSibling.offsetLeft);” frameborder=”0″ ></iframe>
<div style=”z-index:10;position:absolute;background-color:blue;width:100;height:18;overflow:hidden;” onmouseover=”this.style.height=54;” onmouseout=”this.style.height=18;”>aaaaaaa<br>bbbbbbb<br>ccccccc</div>
<select style=”width:200″ ><option>test0<option>test1<option>test2<option>test3</select>
</body>
</html>
<!-- JiaThis Button BEGIN -->
<style type="text/css">
#ckepop a:hover {
color:red;
background-color:#0063DC;
}
</style>
<div id="ckepop">
<a href="http://www.jiathis.com/share/" class="jiathis_txt" target="_blank">分享到：</a>
<a class="jiathis_button_tqq">腾讯微博</a>
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<a class="jiathis_button_hi">百度空间</a>
<a class="jiathis_button_kaixin001">开心网</a>
<a class="jiathis_button_renren">人人网</a>
<a class="jiathis_button_xiaoyou">QQ校友</a>
<a href="http://www.jiathis.com/share/?uid=89488" class="jiathis jiathis_txt jtico jtico_jiathis" target="_blank">更多...</a>
</div>
<script type="text/javascript" src="http://v2.jiathis.com/code/jia.js?uid=89488" charset="utf-8"></script>
<!-- JiaThis Button END -->