11. The electronic device of claim 10 , further comprising a user input device configured to receive an input signal.
11. The electronic device of claim 10 , further comprising a user input device configured to receive an input signal. 14. The electronic device of claim 11 , wherein the user input device is further configured to detect a user gesture moving in a direction on the second electronic document, and wherein the at least one processor is further configured to move the second electronic document on the screen in the direction independently of the first electronic document in response to the detected user gesture.