Sample: dhtmlxTabbar Loading by AJAX (init form html) dhtmlxTabbar main page
X

You can load tab content from server and automaticaly place it on page using ajax.

Force loading of second tab
Change first tab href

 
    <div hrefmode="ajax" id="a_tabbar" class="dhtmlxTabBar" imgpath="../../codebase/imgs/" style="width:390; height:390;"  skinColors="#FCFBFC,#F4F3EE" >
            <div id="b1" width="100" name="google" href="slow_ajax.php?num=0"></div>
            <div id="b2" width="100" name="yahoo" href="slow_ajax.php?num=1"></div>
    </div>