主题:帮忙解释下javascript程序
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>滑动门技术</title>
<style media="screen" type="text/css">
<!--
*{font-size:12px;}
html,body{margin:0;text-align:center;over-flow:hidden;height:100%;width:100%;}
UL{list-style-type:none; margin:0px;}
/* 标准盒模型 */
.ttl{height:18px;}
.ctt{height:auto;padding:6px;clear:both;border:1px solid #064ca1;border-top:0;text-align:left;}
.w936{margin:2px 0;clear:both;width:936px;/*这里调整整个滑动门的宽度*/}
/* TAB 切换效果 */
.tb_{background-image: url('http://bbs.blueidea.com/attachments/2007/4/29/20070429_b6d924afad052649402dWs8adqAyLtgi.gif'); background-repeat: repeat-x;background-color: #E6F2FF;}
.tb_ ul{height:24px;}
.tb_ li{float:left;height: 24px;line-height:1.9;width: 94px;cursor:pointer;}
/* 用于控制显示与隐藏的css类 */
.normaltab { background-image:url('http://bbs.blueidea.com/attachments/2007/4/29/20070429_1bd9c293199c87ac974auuJXlsPMeKDq.gif'); background-repeat: no-repeat; color:#1F3A87 ;}
.hovertab { background-image: url('http://bbs.blueidea.com/attachments/2007/4/29/20070429_55976880c7b020703a18yOxpDn5WBaHd.gif'); background-repeat: no-repeat; color:#1F3A87; font-weight:bold }
.dis{display:block;}
.undis{display:none;}
-->
</style>
[color=FF0000][b]<script type="text/javascript" language="javascript">
//<!CDATA[
function g(o){return document.getElementById(o);}
function HoverLi(n){
//如果有N个标签,就将i<=N;
//本功能非常OK,兼容IE7,FF,IE6
for(var i=1;i<=6;i++){g('tb_'+i).className='normaltab';g('tbc_0'+i).className='undis';}g('tbc_0'+n).className='dis';g('tb_'+n).className='hovertab';
}
//如果要做成点击后再转到请将<li>中的onmouseover 改成 onclick;
//]]>
</script>[/b][/color]
</head>
<body>
<div class="w936">
<div id="tb_" class="tb_">
<ul>
<li id="tb_1" class="hovertab" onmouseover="x:HoverLi(1);">
流行音乐</li>
<li id="tb_2" class="normaltab" onmouseover="i:HoverLi(2);">
美女写真</li>
<li id="tb_3" class="normaltab" onmouseover="a:HoverLi(3);">
平面设计</li>
<li id="tb_4" class="normaltab" onmouseover="HoverLi(4);">
网络学堂</li>
<li id="tb_5" class="normaltab" onmouseover="g:HoverLi(5);">
恋爱宝典</li>
<li id="tb_6" class="normaltab" onmouseover="z:HoverLi(6);">
站长学院</li>
</ul>
</div>
<div class="ctt">
<div class="dis" id="tbc_01">流行音乐 的内容</div>
<div class="undis" id="tbc_02">美女写真 的内容</div>
<div class="undis" id="tbc_03">平面设计 的内容</div>
<div class="undis" id="tbc_04">网络学堂 的内容</div>
<div class="undis" id="tbc_05">恋爱宝典 的内容</div>
<div class="undis" id="tbc_06">站长学院 的内容</div>
</div>
</div>
</body>
</html>
在线等,谢谢了,解释下javascript程序
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>滑动门技术</title>
<style media="screen" type="text/css">
<!--
*{font-size:12px;}
html,body{margin:0;text-align:center;over-flow:hidden;height:100%;width:100%;}
UL{list-style-type:none; margin:0px;}
/* 标准盒模型 */
.ttl{height:18px;}
.ctt{height:auto;padding:6px;clear:both;border:1px solid #064ca1;border-top:0;text-align:left;}
.w936{margin:2px 0;clear:both;width:936px;/*这里调整整个滑动门的宽度*/}
/* TAB 切换效果 */
.tb_{background-image: url('http://bbs.blueidea.com/attachments/2007/4/29/20070429_b6d924afad052649402dWs8adqAyLtgi.gif'); background-repeat: repeat-x;background-color: #E6F2FF;}
.tb_ ul{height:24px;}
.tb_ li{float:left;height: 24px;line-height:1.9;width: 94px;cursor:pointer;}
/* 用于控制显示与隐藏的css类 */
.normaltab { background-image:url('http://bbs.blueidea.com/attachments/2007/4/29/20070429_1bd9c293199c87ac974auuJXlsPMeKDq.gif'); background-repeat: no-repeat; color:#1F3A87 ;}
.hovertab { background-image: url('http://bbs.blueidea.com/attachments/2007/4/29/20070429_55976880c7b020703a18yOxpDn5WBaHd.gif'); background-repeat: no-repeat; color:#1F3A87; font-weight:bold }
.dis{display:block;}
.undis{display:none;}
-->
</style>
[color=FF0000][b]<script type="text/javascript" language="javascript">
//<!CDATA[
function g(o){return document.getElementById(o);}
function HoverLi(n){
//如果有N个标签,就将i<=N;
//本功能非常OK,兼容IE7,FF,IE6
for(var i=1;i<=6;i++){g('tb_'+i).className='normaltab';g('tbc_0'+i).className='undis';}g('tbc_0'+n).className='dis';g('tb_'+n).className='hovertab';
}
//如果要做成点击后再转到请将<li>中的onmouseover 改成 onclick;
//]]>
</script>[/b][/color]
</head>
<body>
<div class="w936">
<div id="tb_" class="tb_">
<ul>
<li id="tb_1" class="hovertab" onmouseover="x:HoverLi(1);">
流行音乐</li>
<li id="tb_2" class="normaltab" onmouseover="i:HoverLi(2);">
美女写真</li>
<li id="tb_3" class="normaltab" onmouseover="a:HoverLi(3);">
平面设计</li>
<li id="tb_4" class="normaltab" onmouseover="HoverLi(4);">
网络学堂</li>
<li id="tb_5" class="normaltab" onmouseover="g:HoverLi(5);">
恋爱宝典</li>
<li id="tb_6" class="normaltab" onmouseover="z:HoverLi(6);">
站长学院</li>
</ul>
</div>
<div class="ctt">
<div class="dis" id="tbc_01">流行音乐 的内容</div>
<div class="undis" id="tbc_02">美女写真 的内容</div>
<div class="undis" id="tbc_03">平面设计 的内容</div>
<div class="undis" id="tbc_04">网络学堂 的内容</div>
<div class="undis" id="tbc_05">恋爱宝典 的内容</div>
<div class="undis" id="tbc_06">站长学院 的内容</div>
</div>
</div>
</body>
</html>
在线等,谢谢了,解释下javascript程序