Only Jock should be able to access this url .

UPDATE:  It looks like I might have managed to do this - so well done me for delving into the PHP and riting a load of new code.  SOmething I am not expert at.

So I can now get back to proper blogging and hope thath someone links to a post of mine before too long and I can find out if it has worked! 

If you want to  see what I've done - you can have a look at http://drupal.org/node/175805