back button issue

 ok seems this isnt just me
im using firefox and back button works fin except
when you get to the top post of a thread and hit back to return to the forum post list, 
you are prevented from going any further back as its set to reload the same page, but using the dropdown on back button you can navigate past that to the forum thread section
not important but a bit of a hindrance
and it to your list of
got to sort out sometime soon but not straight away