Fixed problem with colour key and trailer shifting downwards during a booking resize in IE.  See SF Bugs #300

git-svn-id: http://svn.code.sf.net/p/mrbs/code/mrbs/trunk@2836 25f7e783-145e-4f2d-a9f8-dd7182bfe9c7
Fixed problem with resizing bookings in IE.   See SF Bugs #293 and #300.


git-svn-id: http://svn.code.sf.net/p/mrbs/code/mrbs/trunk@2837 25f7e783-145e-4f2d-a9f8-dd7182bfe9c7