一个不错的CSS模拟的按钮效果

<style type="text/css">

<!--

.btnOFF{padding:3px;border:1px outset;cursor:pointer;background-color: green;width:100px;height:16px;text-align:center;}

.btnON{padding:3px;border:1px inset;background-color: #CCCC33;width:100px;height:16px;text-align:center;color:red;}

-->

</style>

<script language="JavaScript">

<!--

function setEffect(link_id)

{

var i;

for(i=0;i<link.length;i++)

{

if(i != link_id)

{

link[i].className = "btnOFF";

}

else

{

link[i].className = "btnON";

}

}

}

//-->

</script>

<p align=center><span id="link" class="btnOFF" onclick="setEffect(0)">Google</span><span id="link" class="btnOFF" onclick="setEffect(1)">Baidu</span><span id="link" class="btnOFF" onclick="setEffect(2)">Sina</span><span id="link" class="btnOFF" onclick="setEffect(3)">Sohu</span><span id="link" class="btnOFF" onclick="setEffect(4)">CSDN</span><span id="link" class="btnOFF" onclick="setEffect(5)">Webjx</span></p>

[Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行]