<div id="tab1" style="margin:20px; width:600px; height:300px; padding:10px;">
<div class="tablist">
<ul>
<li><a href="javascript:void(0)" onclick="selecttab(this)" class="selected">标签一</a></li>
<li><a href="javascript:void(0)" onclick="selecttab(this)">标签二</a></li>
<li><a href="javascript:void(0)" onclick="selecttab(this)">标签三</a></li>
</ul>
</div>
<div class="tabcontent">
<div class="tabvalue">内容一</div>
<div class="tabvalue" style="display:none">内容二</div>
<div class="tabvalue" style="display:none">内容三</div>
</div>
</div>