index.html

<!DOCTYPE html>
<html lang="en">
    <head>
        <script class="jsbin" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
        <meta http-equiv="content-type" content="text/html; charset=utf-8" />
        <meta name="author" content="Dominik Kukacka" />

        <title>KonamiCode</title>

        <script src="jquery.konamicode.1.3.js"></script>
        <script>
        $(document).ready(function(){


            $(window).konamicode({
                speed: 3500,
                correctCombination: [UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, B, A],
                onCorrectCombination: function(){
                    $('img').fadeOut(250).fadeIn(250).fadeOut(250).fadeIn(250);
                }
            });


            $('.kc').css({
                margin: ( window.innerHeight / 2 - $('.kc').height()/2) + 'px auto',
                'text-align': 'center'

            });
        });
        </script>
    </head>

    <body>
        <div class='kc'>
            <img src='konami-code.jpg' height="45" style='display: block;margin: 0 auto;' /><br />
            Type it as fast as you can! You don't have much time!<
        </div>
    </body>
</html>