install 2.6.3 now errors on post write pages

I have lost visual editor buttons and the below code comes up in my source code, I have tried reloading 2.6.3 files and no joy.

Any help out there..

src=’http://www.the-bathroom-designer.co.uk/wp-includes/js/jquery/jquery.schedule.js?ver=20′></script&gt;
<script type=’text/javascript’>
/* <![CDATA[ */
wpAjax = {
noPerm: “You do not have permission to do that.”,
broken: “An unidentified error has occurred.”
}
/* ]]> */