<div id="a_tabbar" style="width:400;height:100"></div>
<script>
 
            tabbar=new dhtmlXTabBar("a_tabbar","top");
            tabbar.setImagePath("imgs/");
 
            tabbar.loadXML("tabs1.xml");
            ...
            tabbar.goToPrevTab();         // navigate to the previous tab
            tabbar.goToNextTab();         // navigate to the next tab
            var id=tabbar.getActiveTab();     // returns id of currently active tab
            tabbar.setLabel('new');         // set label of tab</script>