js特效代码-onmouseover/onclick 改变标签(背景)颜色

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312">

<title>无标题文档</title>

<script language="javascript">

function hc(ev) {

	var list = document.getElementsByTagName("li");

	for(i=0; i<list.length; i++){

			list[i].className = "";

	}

	ev = ev || window.event;

  	var tmp = ev.target || ev.srcElement;

                tmp = (tmp.tagName == "LI")?tmp:tmp.parentNode;

	tmp.className = "linow";

}

</script>

<style type="text/css">

* {font:12px/150% "宋体";}

.LeftM li { list-style:none; width:180px; height:20px; background-color:#CCc; border-bottom:#fff solid 2px;}

.LeftM a { color:#f01;}

.LeftM a:hover { position:relative; left:1px; top:1px;}

.linow a { color:#000;}

</style>

</head>

<body>

<ul class="LeftM">

	<li onClick="hc();"><a href="#">基本概念</a></li>

	<li onClick="hc()"><a href="#">基本概念</a></li>

	<li onClick="hc()"><a href="#">行政职业能力测试</a></li>

	<li onClick="hc()"><a href="#">申论</a></li>

</ul>

<br>

</body>

</html>

  

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