Right click off on youtube video embed in asp.net

I have youtube video in asp.net page. I want right click off so that nobody can download it. plz help me. I have tried

<script language="javascript" type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
    </script>
    <script type="text/javascript" language="javascript">
        $(function () {
            $(this).bind("contextmenu", function (e) {
                e.preventDefault();
            });
        });
    </script>

this in head section of my page. It is preventing right click on other things but not on video.