Organize site mode keyboard bindings

         document.querySelector('body').style.backgroundImage = 'url(/static/measure.png)'
         cookies.set('rhythm', 'on')
       }
-    } else if (ev.key == 'f') showKeyboardFollowLinks() // f   show "follow links"
+    } else if (ev.key == '?') goHelp()                  // ?   show help
+    else if (ev.key == 'f') showKeyboardFollowLinks()   // f   show "follow links"
     else if (ev.key == 'm') goHome()                    // m   go home
-    else if (ev.key == '?') goHelp()                    // ?   show help
     else if (ev.key == 'h') goBack()                    // h   go back
     else if (ev.key == 'j') scrollDown()                // j   scroll down 3 EMs
     else if (ev.key == 'k') scrollUp()                  // k   scroll up 3 EMs
     else if (ev.key == 'l') goForward()                 // l   go forward
+    else if (ev.key == 'u') goUp()                      // u   follow rel=up
+    else if (ev.key == 'p') goPrevious()                // p   follow rel=prev
+    else if (ev.key == 'n') goNext()                    // n   follow rel=next
     else if (ev.key == '[') pageUp()                    // [   scroll page up
     else if (ev.key == ']') pageDown()                  // ]   scroll page down
     else if (ev.key == '{') scrollTop()                 // {   scroll to top
     else if (ev.key == '}') scrollBottom()              // }   scroll to bottom
-    else if (ev.key == 'u') goUp()                      // u   follow rel=up
-    else if (ev.key == 'p') goPrevious()                // p   follow rel=prev
-    else if (ev.key == 'n') goNext()                    // n   follow rel=next
   }, false)
 })