FIX - check for $extra before echoing out in edit.php


git-svn-id: http://svn.montala.net/svn/resourcespace@6063 c08608d7-6e46-0410-86ca-f2a6f1370df5
ADD accessibility plugin - High contrast plugin for partially blind users


git-svn-id: http://svn.montala.net/svn/resourcespace@6064 c08608d7-6e46-0410-86ca-f2a6f1370df5