雅虎的新版右侧有个tab切换的效果，是不是非常酷的效果
这个是不是非常酷呢？用在自己的网站上一定很时尚吧！以下就是模仿的代码。
运行代码框<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head> <meta http-equiv="content-type" content="application/xhtml+xml; charset=gb2312" /> <meta http-equiv="content-language" content="zh-cn" /> <meta name="robots" content="all" /> <meta name="keywords" content="关键字描述" /> <meta name="description" content="站点描述" /> <meta name="author" content="顾振宇,zy.e@163.com" /> <meta name="copyright" content="版权所有" /> <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" /> <link rel="bookmark" href="/favicon.ico" type="image/x-icon" /> <title>obruch.com</title> <style type="text/css"> *{ margin:0; padding:0; border:none;} body{font:12px/130% verdana,geneva,arial,helvetica,sans-serif,瀹嬩綋; height:100%;}li{list-style:none;} html{ height:100%;} .clearfix:after{content:" ";display:block;height:0;clear:both;visibility:hidden;}.clearfix{display:inline-block;} a:link{ color:#000; text-decoration:none; } a:visited{ color:#000; text-decoration:none; } a:hover{ color:#000; text-decoration:none; } .rrow{width:224px; float:left;} .login{ background:url(/img/quickbg.png); height:210px;width:224px; overflow:hidden;} .login h2{ color:#fff; font-size:14px; padding:4px 12px; line-height: 30px;height:24px; overflow:hidden; } .login h2 span{ font-size:12px; float:right;margin:-31px 23px 0 0;line-height: 32px;font-weight:400; cursor:pointer;} .rrow ul{ margin:5px 6px; } .rrow ul li {width:216px; height:31px;margin-bottom: 5px; overflow:hidden; float:left;} .rrow ul li a,.rrow ul li span{ cursor:pointer; display:block; float:left; margin-right: 4px; background:url(http://www.w3css.com/img/btn.gif) 0 -152px; width:69px;padding-left:35px; height:31px; overflow:hidden; line-height: 32px; font-weight:700;} .rrow ul li .lhover{ display:block; float:left; margin-right: 4px; background:url(http://www.w3css.com/img/btn.gif) 0 -183px; width:69px;padding-left:35px; height:37px; overflow:hidden; line-height: 32px; font-weight:700;} .rrow ul li .yhzc{ background:url(http://www.w3css.com/img/btn.gif) 0 -152px;} #yhzc{background:url(http://www.w3css.com/img/btn.gif) 0 -183px;height:37px;} .rrow ul li .hysj{ background:url(http://www.w3css.com/img/btn.gif) -104px -152px; } #hysj{ background:url(http://www.w3css.com/img/btn.gif) -104px -183px;height:37px;} .rrow ul li .fbxx{ background:url(http://www.w3css.com/img/btn.gif) 0 -220px; } #fbxx{ background:url(http://www.w3css.com/img/btn.gif) 0 -251px;height:37px;} .rrow ul li .gstg{ background:url(http://www.w3css.com/img/btn.gif) -104px -220px; } #gstg{ background:url(http://www.w3css.com/img/btn.gif) -104px -251px;height:37px;} .rrow ul li .xzmj{ background:url(http://www.w3css.com/img/btn.gif) 0 -288px; } #xzmj{ background:url(http://www.w3css.com/img/btn.gif) 0 -319px;height:37px;} .rrow ul li .bzzx{ background:url(http://www.w3css.com/img/btn.gif) -104px -288px; } #bzzx{ background:url(http://www.w3css.com/img/btn.gif) -104px -319px;height:37px;} .rrow ul .hoverli{background:url(http://www.w3css.com/img/btn.gif) 0 -357px;height:92px; overflow:hidden; line-height: 32px; font-weight:700;} .qlogin{height:92px; width:210px; line-height: 32px; margin:5px 0 0 10px; display:none;} .qlogin dt{ height:0; overflow:hidden; } .qlogin dd{ padding:4px; width:210px; height:22px; text-align:left; float:left;clear:both;overflow:hidden;} .qlogin dd .passw,.qlogin a:hover.passw{ margin: -4px 12px 0 0; float:right;} .rrow ul li div{ margin-top: 5px; width:210px; display:none;} .rrow ul li div a,.rrow ul li div a:hover{background:url(http://www.w3css.com/img/btn.gif) -80px -1px; height:20px; line-height: 20px; clear:both; font-weight: 400; width:170px;} .rrow ul li div a:hover{ text-decoration:underline; } .rrow ul li .block,.rrow .block{ display:block; } .rrow ul .none{ display:none; } .btn{font-size:12px; font-family:宋体; float:left; width:57px; height:20px; overflow:hidden; background:url(http://www.w3css.com/img/btn.gif); line-height: 21px;padding-left:18px;margin-right: 10px; } a:hover.btn{background:url(http://www.w3css.com/img/btn.gif) 0 -20px;} #btn4{background:url(http://www.w3css.com/img/btn.gif);width:75px; margin-left: 48px; cursor:pointer;} .input2{font-size:12px; border:1px solid #999; width:140px; height:16px; padding:1px 2px 0 2px; } </style> </head> <body> <div class="rrow"> <div id="login" class="login"> <h2>便捷入口<span><a class="w" title="快速登陆">快速登陆</a></span></h2> <dl class="qlogin clearfix"><dt>快速登陆</dt> <dd>用户名：<input class="input2" type="text" /></dd> <dd>密 码：<input class="input2" type="password" /></dd> <dd><input class="btn" id="btn4" type="submit" value="立即登陆" /><a class="passw" href="">忘记密码？</a></dd> </dl> <ul> <li id="btype1" class="hoverli"><span class="yhzc" id="yhzc" href="" title="用户注册">用户注册</span><span class="hysj" href="" title="会员升级">会员升级</span> <div class="block"><a href="">我要寻求帮助1...</a><a href="">网上贸易从此开始1...</a></div> <div><a href="">我要寻求帮助2...</a><a href="">网上贸易从此开始2...</a></div> </li> <li id="btype2"><span class="fbxx" href="" title="发布信息">发布信息</span><span class="gstg" href="" title="公司推广">公司推广</span> <div><a href="">我要寻求帮助3...</a><a href="">网上贸易从此开始3...</a></div> <div><a href="">我要寻求帮助4...</a><a href="">网上贸易从此开始4...</a></div> </li> <li id="btype3"><span class="xzmj" href="" title="寻找买家">寻找买家</span><span class="bzzx" href="" title="帮助中心">帮助中心</span> <div><a href="">我要寻求帮助5...</a><a href="">网上贸易从此开始5...</a></div> <div><a href="">我要寻求帮助6...</a><a href="">网上贸易从此开始6...</a></div> </li> </ul> </div><!-- login --> <script type="text/javascript"> <!-- var login = document.getElementById("login"); var yhzc = document.getElementById("yhzc"); var h2 = login.getElementsByTagName("h2"); var dl = login.getElementsByTagName("dl"); var ul = login.getElementsByTagName("ul"); var lis = ul[0].getElementsByTagName("li"); var allspan = ul[0].getElementsByTagName("span"); var qlog = h2[0].getElementsByTagName("a"); var divs = login.getElementsByTagName("div"); qlog[0].onclick = function() { for(var i = 0; i < divs.length; i++) {divs[i].className = null;} for(var i = 0; i < allspan.length; i++) {allspan[i].id = null;} lis[0].className = "none"; dl[0].className = "qlogin block"; } for(var x = 1; x < 4; x++) {show();} function show() { var test = "btype" +x; var btype = document.getElementById("btype" + x); var as = btype.getElementsByTagName("a"); var bdivs = btype.getElementsByTagName("div"); var spans = btype.getElementsByTagName("span"); for(var i = 0; i < spans.length; i++) { spans[i].num = i; spans[i].onmouseover = type; } function type() { for(var i = 0; i < lis.length; i++) {lis[i].className = null;} for(var i = 0; i < allspan.length; i++) {allspan[i].id = null;} for(var i = 0; i < divs.length; i++) {divs[i].className = null;} dl[0].className = "qlogin"; yhzc.id = null; spans[this.num].id = spans[this.num].className; bdivs[this.num].className = "block"; btype.className = "hoverli"; } } --> </script> </div> </body> </html> [Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行]
