Load data in tabbar through iframes

Source
<link rel="STYLESHEET" type="text/css" href="../../codebase/dhtmlxtabbar.css">
<script  src="../../codebase/dhtmlxcommon.js"></script>
<script  src="../../codebase/dhtmlxtabbar.js"></script>
 
<h1 id="init_tabbar_from_script">Load data in tabbar through iframes</h1>
<div id="a_tabbar" style="width:395px; height:390px;"/>
<script>tabbar = new dhtmlXTabBar("a_tabbar", "top");
tabbar.setSkin('dhx_skyblue');
tabbar.setImagePath("../../codebase/imgs/");
tabbar.addTab("a1", "Google", "100px");
tabbar.addTab("a2", "Yahoo", "100px");
tabbar.addTab("a3", "DHTMLX", "100px");
tabbar.setHrefMode("iframes-on-demand");
tabbar.setContentHref("a1", "http://google.com");
tabbar.setContentHref("a2", "http://yahoo.com");
tabbar.setContentHref("a3", "http://dhtmlx.com");
tabbar.setTabActive("a1");</script>