-Mousetrap.bind('n', function() { move_to_nondeleted(1); setpic(); });
-Mousetrap.bind('p', function() { move_to_nondeleted(-1); setpic(); });
-Mousetrap.bind('N', function() { input_index ++; say(input_index); setpic(); });
-Mousetrap.bind('P', function() { input_index --; say(input_index); setpic(); });
-Mousetrap.bind('b', function() { exposure ++; say_exposure(); setpic(); });
-Mousetrap.bind('d', function() { exposure --; say_exposure(); setpic(); });
+Mousetrap.bind(['n', 'l'], function() { move_to_nondeleted(1); });
+Mousetrap.bind(['p', 'h'], function() { move_to_nondeleted(-1); });
+Mousetrap.bind(['N', 'L'], function() { input_index ++; say(input_index); setpic(); });
+Mousetrap.bind(['P', 'H'], function() { input_index --; say(input_index); setpic(); });
+Mousetrap.bind(['b', 'k'], function() { change_exposure(1); });
+Mousetrap.bind(['d', 'j'], function() { change_exposure(-1); });