http://jsfiddle.net/KNKKT/

http://webdeveloper.com/forum/showthread.php?t=227746

http://www.ryanscherf.net/demos/accordion/

<div class="tabStrip">
    <ul>
       <li><a href="javascript:openTab(1);" class="tabLinkActive" id="tabLink1">TabOne</a></li>
       <li><a href="javascript:openTab(2);" class="tabLink" id="tabLink2">TabTwo</a></li>
       <li><a href="javascript:openTab(3);" class="tabLink" id="tabLink3">TabThree</a></li>
    </ul>
</div>

<div class="tabContentActive" id="tabContent1">
    This is sample tab content (1).
</div>

<div class="tabContent" id="tabContent2">
    This is sample tab content (2).
</div>

<div class="tabContent" id="tabContent3">
    This is sample tab content (3).
</div>