.emacs

(defun mouse-avoidance-banish-destination ()
  "The position to which Mouse-Avoidance mode `banish' moves the mouse.
You can redefine this if you want the mouse banished to a different corner."
  (let* ((pos (window-edges)))
    (cons (- (nth 2 pos) 2)
	  (+ (nth 1 pos) 1))))