+
+Mousetrap.bind('z', function() { toggle_zoom(); setpic(); });
+Mousetrap.bind('Z', function() { $("#pic").toggleClass("fit_view"); });
+Mousetrap.bind('n', function() { move_to_nondeleted(1); setpic(); });
+Mousetrap.bind('p', function() { move_to_nondeleted(-1); setpic(); });
+Mousetrap.bind('N', function() { input_index ++; setpic(); });
+Mousetrap.bind('P', function() { input_index --; setpic(); });
+Mousetrap.bind('b', function() { exposure ++; setpic(); });
+Mousetrap.bind('d', function() { exposure --; setpic(); });
+Mousetrap.bind('x', function() { mark_deleted(); });
+Mousetrap.bind('X', function() { mark_not_deleted(); });