I can't tell if this is a joke or not. Lots of indicators of humor in there but just in case... Please don't do this. Please stop the trend of making computers as inefficient as possible for end-users.
Since when does the End key have anything to do with up/down scrolling anyways? It's always been for moving to the end of a line of text (i.e. left/right).
I propose instead using CTRL+PgDn. You know, so it actually makes sense.