function init_tutorial(keyboardLayout = 'qwerty') {

$('.screen_view').each(function() {

var G = VIM_GENERIC;

var context = $(this);

var doc = create_VIM_DOCUMENT(context);

var messager = create_VIM_MESSAGER();

var context_help = create_VIM_CONTEXT_HELP(context);

var executor = create_VIM_EXECUTOR(doc, context);

var interpreter = create_VIM_INTERPRETER(doc, executor, context_help, messager);

var view = create_VIM_VIEW(interpreter.environment, messager, context);

create_VIM_VISUAL_COMMANDS(interpreter.environment, messager, doc);

create_VIM_VISUALBLOCK_COMMANDS(interpreter.environment, messager, doc);

create_VIM_SEARCH_COMMANDS(interpreter.environment, messager);

var timesCommansd = create_VIM_TIMESCOMMANDS(interpreter.environment, messager);

create_VIM_COMMANDS(interpreter.environment, timesCommansd);

function isActiveContext() { return context.hasClass('active_context'); }

create_VIM_EVENTLISTENER(interpreter.interpretOneCommand, interpreter.environment, messager, isActiveContext);

create_VIM_CURSOR_BLINKING(context, 700, messager).blink();

var keyboard = create_VIM_VIRTUAL_KEYBOARD(keyboardLayout);

$('.keyboard_wrapper').append(keyboard.keyboardAsDom);

create_VIM_BLINKING('waiting_to_be_pressed', keyboard.keyboardAsDom, 500, messager).blink();

messager.listenTo('abort_section', function() {

keyboard.removeClass('waiting_to_be_pressed');

});

messager.listenTo('waiting_for_code', function(message) {

keyboard.removeClass('waiting_to_be_pressed');

if(!message.end) {

$('.keyboard_wrapper').show();

var code = message.code;

if(code === 'ctrl-v') {

keyboard.addClass('waiting_to_be_pressed', 'ctrl');

keyboard.addClass('waiting_to_be_pressed', 'v');

} else if(code === "#") {

keyboard.addClass('waiting_to_be_pressed', 'shift');

keyboard.addClass('waiting_to_be_pressed', '3');

} else if(code === '/') {

keyboard.addClass('waiting_to_be_pressed', 'shift');

keyboard.addClass('waiting_to_be_pressed', '7');

} else if(code === '%') {

keyboard.addClass('waiting_to_be_pressed', 'shift');

keyboard.addClass('waiting_to_be_pressed', '5');

} else if(code === "$") {

keyboard.addClass('waiting_to_be_pressed', 'shift'); // XXX: en-US keyboard setting is preferred for now

keyboard.addClass('waiting_to_be_pressed', '4');

} else if(code.length === 1 && code >= 'A' && code <= 'Z') {

var code2 = code.toLowerCase();

keyboard.addClass('waiting_to_be_pressed', 'shift');

keyboard.addClass('waiting_to_be_pressed', code2);

} else {

keyboard.addClass('waiting_to_be_pressed', code);

}

}

});

updateModifierKeys();

var tutorial = createTutorial($(this), interpreter, messager, doc);

register_VIM_TUTORIAL_SECTIONS(interpreter, messager,

tutorial.createSection, tutorial.registerSection, tutorial.showCommandOneByOne, doc);

tutorial.startTutorial();

$('.toggle_siblings').live('click', function() {

$(this).siblings(':not(.headline)').toggle();

$(this).closest('.section_menu').toggleClass('shrinkMenu');

});

});

}

function updateModifierKeys() {

addSizeClass('caps', 'medium');

addSizeClass('Enter', 'medium');

addSizeClass('shift', 'large');

addSizeClass('Space', 'space');

}

function addSizeClass(key, size){

$(".keyButton:contains('" + key + "')").addClass(size);

}