aui tab切换页

HTML代码：
<div class="aui-tab aui-border-b" id="tab">
                <div class="aui-tab-item aui-active">哆啦小梦</div>
                <div class="aui-tab-item">啦啦啦啦</div>
            </div>
            <div class="aui-padded-5 " id="tab1-con">
                <div id="tab1-con1">春江潮水连海平，海上明月共潮生。 </div>
                <div class="aui-hide" id="tab1-con2">人生没有彩排，每天都是直播，不仅收视率低，而且工资不高。</div>
            </div>

JS代码

<script type="text/javascript" src="../script/api.js"></script>
 <script type="text/javascript" src="../script/aui-tab.js"></script>
    <script type="text/javascript"> apiready = function() { api.parseTapmode(); } var tab = new auiTab({ element: document.getElementById("tab"), }, function(ret) { if (ret) { //定义获取对象的所有兄弟节点的函数，
                function siblings(elm) { var a = []; var p = elm.parentNode.children; for (var i = 0, pl = p.length; i < pl; i++) { if (p[i] !== elm) a.push(p[i]); } return a; } var index = ret.index; var activeC = document.getElementById("tab1-con" + index); activeC.className = ""; for (var i = 0; i < siblings(activeC).length; i++) { siblings(activeC)[i].className = "aui-hide"; } } }); </script>