demo.html

<!DOCTYPE HTML>
<html lang="en-GB">
<head>
    <meta charset="UTF-8">
    <title>jListify demo</title>

    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>
    <script src="jquery.listify.js"></script>
</head>
<body>
    <input id="my-list">
    <input id="my-list-with-suggestions">

    <a id="css-switcher" href="#">Toggle CSS</a>

    <script>
        $(document).ready(function()
        {
            $("#my-list").listify();
            $("#my-list-with-suggestions").listify(["Alabama", "Birmingham", "Dakota", "Georgia", "Illinois", "New Jersey"]);

            $("#css-switcher").click(function(e)
            {
                e.preventDefault();

                if ($("head link").length) {
                    $("head link").remove();
                } else {
                    $("head").append('<link rel="stylesheet" href="demo.css">');
                }
            });
        });
    </script>
</body>
</html>