catch me if you can bg.html

<script src="catch me.js"></script>
<!DOCTYPE html>
    <html>
    <head>
        <style type="text/css">
            .block
            {
                position: absolute;
                left: 50px;
                width: 130px;
                height: 30px;
                margin: 5px;
            }
            body {
                background-color: red;
            }
        </style>
        <script src="ReferencetoYourJqueryFile" type="text/javascript"></script>
    </head>
    <body>
        <div class="block">
            <input type="button" name="btnClick" value="Catch me" style="width: 100px;
                height: 100px;border: 4px solid black; background-color: yellow" />
        </div>
        <script type="text/javascript">
            $(".block").mouseover(function () {
                $(".block").animate({ 
                        left:(Math.random()*1000),
                        top:(Math.random()*450),
                 }, "fast");
            });
        </script>
    </body>
    </html>