See attached image. This is after champion selection, but prior to game launch. As you can see there's a chat window. It is, however, impossible to chat in it, which begs the question: Why is it there?
:-)

yea seriously... why is it there? I always try 2 say something but it is physically impossible! instead it should show ur enemy's team, or the map of the level your in

you forgot to add the left side where the champions are HUGE and your 5th guy is cut off at the bottom. this pages seems like a placeholder for now.