TabNavigation in Flex

<?xml version="1.0"?>
<!-- Simple example to demonstrate the TabBar control. -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">

    <mx:Script>
        <![CDATA[

            import mx.events.ItemClickEvent;
            import mx.controls.TabBar;

            [Bindable]
            public var STATE_ARRAY:Array = [{label:"Alabama", data:"Montgomery"},
                {label:"Alaska", data:"Juneau"},
                {label:"Arkansas", data:"LittleRock"}
            ];
           
            private function clickEvt(event:ItemClickEvent):void {
                // Access target TabBar control.
                var targetComp:TabBar = TabBar(event.currentTarget);
                forClick.text="label is: " + event.label + ", index is: " +
                    event.index + ", capital is: " +
                    targetComp.dataProvider[event.index].data;
            }               
       ]]>
    </mx:Script>

    <mx:Panel title="TabBar Control Example" height="75%" width="75%"
        paddingTop="10" paddingBottom="10" paddingLeft="10" paddingRight="10">

        <mx:Label width="100%" color="blue"
            text="Select a tab to change the current panel."/>

        <mx:TabBar itemClick="clickEvt(event);">
            <mx:dataProvider>{STATE_ARRAY}</mx:dataProvider>
        </mx:TabBar>

        <mx:TextArea id="forClick" height="100%" width="100%"/>

    </mx:Panel>
</mx:Application>