Something

<html>
	<head>
		<link rel="stylesheet" type="text/css" href="./yui/tabview/assets/tabview.css">
		<link rel="stylesheet" type="text/css" href="./yui/tabview/assets/border_tabs.css">	
		<script type="text/javascript" src="./yui/yahoo/yahoo-debug.js"></script>
		<script type="text/javascript" src="./yui/yahoo-dom-event/yahoo-dom-event-debug.js"></script>
		<script type="text/javascript" src="./yui/element/element-beta-debug.js"></script>
		<script type="text/javascript" src="./yui/connection/connection-debug.js"></script>
		<script type="text/javascript" src="./yui/tabview/tabview-debug.js"></script>
		<script type="text/javascript" src="./yui/event/event-debug.js"></script>
		<script type="text/javascript" src="./yui/dom/dom-debug.js"></script>

		<script type="text/javascript">
			function go(){
	    var myTabs = new YAHOO.widget.TabView("demo");
		
	    myTabs.addTab( new YAHOO.widget.Tab({
	        label: 'Tab One Label',
	        content: '<p>Tab One Content</p>',
	        active: true
	    }));
	    
	    myTabs.addTab( new YAHOO.widget.Tab({
	        label: 'Tab Two Label',
	        content: '<p>Tab Two Content</p>'
	    }));
	    
	    myTabs.addTab( new YAHOO.widget.Tab({
	        label: 'Tab Three Label',
	        content: '<p>Tab Three Content</p>'
	    }));
	    
	    myTabs.appendTo(document.body);
	  }
		</script> 
	</head>
	
	<body onload="go()">
	</body>
</html>