Executing jQuery code on Project Server 2010

Hello,
I am trying to limit the length of the "Project Notes" Custom Field in Project Details Page (PDP) using Project Server 2010.
I am using the following jQuery in a Content Editor Web Part added to the PDP:
   

<script src="http://code.jquery.com/jquery-latest.js" type="text/javascript"></script>    <script>        $(document).ready(function(){             var textArea = $("textarea[title$='Project Notes']");            textArea.keypress(function()             {                var text = textArea.text();                if(text.length > 10)                {                     alert("Project Notes cannot exceed 100 characters in length.");                     textArea.val(text.substring(0,9));                 }             });         });    </script>

However, when the user types into the text area nothing is happening.The event does not fire. I have tried various modifications to the code but the same result.
Please let me know what I am missing.

Thank you.