Untitled

<!DOCTYPE html>
<head>
        <title>JavaScript YT BOT</title>
        <script src="http://code.jquery.com/jquery-1.8.3.min.js"></script>
        <script>
        $(function(){
            function cargarVideo(){
                var videoId= "LBKtF6bB72Y?autoplay=1&mute=1"
                $(".actualyoutube iframe").remove();
                $('<iframe width="420" height="315" frameborder="0" allowfullscreen></iframe>')
            .attr("src", "http://www.youtube.com/embed/" + videoId)
            .appendTo(".actualyoutube")
        }
        $("#bntiniciar").click(function(){
            setInterval(cargarVideo,5000)
        });
        });
        </script>
</head>
<body>
    <input id="bntiniciar" type="button" value="Iniciar bot"/>
    <div class="actualyoutube">
        <iframe width="560" height="315" src="https://www.youtube.com/embed/LBKtF6bB72Y" frameborder="0" allowfullscreen></iframe>
    </div>

</body>
</html>