Squashed commit of the following:

commit 3f9e9185fe7ee51f2fe55f0fc0d4fffdc4f289dc
Author: Nathan Hsieh <hsieh.nathan@gmail.com>
Date:   Mon Oct 6 10:57:35 2014 -0700

    changed the title of back buttons

commit f86934424e85931ec293e711ceaa93ee920828fb
Author: Nathan Hsieh <hsieh.nathan@gmail.com>
Date:   Mon Oct 6 10:53:15 2014 -0700

    Finished level 2, refactored tests

commit 8f502bce05293cccaf200b69ce5f5826eee72484
Author: Nathan Hsieh <hsieh.nathan@gmail.com>
Date:   Mon Oct 6 08:52:37 2014 -0700

    stylized better and added level 2

commit 07b2276b346c34c0cc0faa57500c40e120e77888
Author: Nathan Hsieh <hsieh.nathan@gmail.com>
Date:   Fri Oct 3 18:17:29 2014 -0700

    broke tutorial tests styles

commit 35d84147dc2f65b0ffeea5faf304add903219b1e
Author: Nathan Hsieh <hsieh.nathan@gmail.com>
Date:   Fri Oct 3 17:23:48 2014 -0700

    structured test level1 md file

commit 808d01b0d55d67eb1017f290a29da6c7d38565f2
Author: Nathan Hsieh <hsieh.nathan@gmail.com>
Date:   Fri Oct 3 17:15:46 2014 -0700

    Modified files and integrated tutorial through new page

commit 0f0093f2882489c3eeb6f8870f2b8aa64dc939a3
Author: Nathan Hsieh <hsieh.nathan@gmail.com>
Date:   Thu Oct 2 14:34:44 2014 -0700

    more refactoring

commit 5a9b98e55ebd455ccf2c0ced20f984545a0b6d71
Author: Nathan Hsieh <hsieh.nathan@gmail.com>
Date:   Thu Oct 2 11:46:58 2014 -0700

    clean js code

commit af3bbd8d5e1dffdaa1780f83b909ff566906e513
Author: Nathan Hsieh <hsieh.nathan@gmail.com>
Date:   Thu Oct 2 11:26:39 2014 -0700

    level 1 cleanup

commit c4852a7766ab4fbd978d65c8352ace05eb427ef5
Author: Nathan Hsieh <hsieh.nathan@gmail.com>
Date:   Thu Oct 2 11:20:17 2014 -0700

    fixed up fill-in level1

commit 7f02d80942549dec9c05f784b777fcb32d5bb81b
Author: Nathan Hsieh <hsieh.nathan@gmail.com>
Date:   Wed Oct 1 17:45:42 2014 -0700

    added dockerfile tut, stylized lesson1 Questions

Signed-off-by: Nathan Hsieh <hsieh.nathan@gmail.com>

docs/mkdocs.yml

@@ -59,6 +59,8 @@ pages:
 - ['userguide/dockerlinks.md', 'User Guide', 'Linking containers together' ]
 - ['userguide/dockervolumes.md', 'User Guide', 'Managing data in containers' ]
 - ['userguide/dockerrepos.md', 'User Guide', 'Working with Docker Hub' ]
+- ['userguide/level1.md', '**HIDDEN**' ]
+- ['userguide/level2.md', '**HIDDEN**' ]
 
 # Docker Hub docs:
 - ['docker-hub/index.md', 'Docker Hub', 'Docker Hub' ]

docs/sources/userguide/dockerimages.md

@@ -168,6 +168,8 @@ update and create images.
 1. We can update a container created from an image and commit the results to an image.
 2. We can use a `Dockerfile` to specify instructions to create an image.
 
+Test your understanding [here](/userguide/level1)!
+
 ### Updating and committing an image
 
 To update an image we first need to create a container from the image
@@ -478,6 +480,10 @@ We can then create a container from our new image.
 > To help you write a clear, readable, maintainable `Dockerfile`, we've also
 > written a [`Dockerfile` Best Practices guide](/articles/dockerfile_best-practices).
 
+### Test your understanding
+
+See how well you understand the material by taking [this short quiz](/userguide/level1)!
+
 ## Setting tags on an image
 
 You can also add a tag to an existing image after you commit or build it. We
@@ -535,3 +541,4 @@ by linking together multiple Docker containers.
 
 Go to [Linking Containers Together](/userguide/dockerlinks).
 
+

docs/sources/userguide/level1.md

@@ -0,0 +1,72 @@
+page_title: Docker Images Test
+page_description: How to work with Docker images.
+page_keywords: documentation, docs, the docker guide, docker guide, docker, docker platform, virtualization framework, docker.io, Docker images, Docker image, image management, Docker repos, Docker repositories, docker, docker tag, docker tags, Docker Hub, collaboration
+
+<a title="back" class="btn btn-primary back" href="/userguide/dockerimages/#creating-our-own-images">Back</a>
+
+# Test Yourself
+
+## Test your Dockerfile skills - Level 1
+
+### Questions
+
+<div name="level1_questions">
+	What is the Dockerfile instruction to specify the base image ?<br />
+	<input type="text" class="level" id="level1_q0"/>
+	<div class="alert alert-error level_error" id="level1_error0" style="display:none;">The right answer was <code>FROM</code></div>
+	<br>
+	What is the Dockerfile instruction to execute any commands on the current image and commit the results?<br />
+	<input type="text" class="level" id="level1_q1"/>
+	<div class="alert alert-error level_error" id="level1_error1" style="display:none;">The right answer was <code>RUN</code></div>
+	<br>
+	What is the Dockerfile instruction to specify the maintainer of the Dockerfile?<br />
+	<input type="text" class="level" id="level1_q2"/>
+	<div class="alert alert-error level_error" id="level1_error2" style="display:none;">The right answer was <code>MAINTAINER</code></div>
+	<br>
+	What is the character used to add comment in Dockerfiles?<br />
+	<input type="text" class="level" id="level1_q3"/>
+	<div class="alert alert-error level_error" id="level1_error3" style="display:none;">The right answer was <code>#</code></div>
+	<p>
+	<div class="alert alert-success" id="all_good" style="display:none;">Congratulations, you made no mistake!<br />
+	Tell the world <a href="https://twitter.com/share" class="twitter-share-button" data-url="http://www.docker.io/learn/dockerfile/level1/" data-text="I just successfully answered questions of the #Dockerfile tutorial Level 1. What's your score?" data-via="docker" >Tweet</a><br />
+	And try the next challenge: <a href="#fill_the_dockerfile">Fill the Dockerfile</a>
+	</div>
+	<div class="alert alert-error" id="no_good" style="display:none;">Your Dockerfile skills are not yet perfect, try to take the time to read this tutorial again.</div>
+	<div class="alert alert-block" id="some_good" style="display:none;">You're almost there! Read carefully the sections corresponding to your errors, and take the test again!</div>
+	</p>
+	<button class="btn btn-primary" id="check_level1_questions">Check your answers</button>
+</div>
+
+### Fill the Dockerfile
+Your best friend Eric Bardin sent you a Dockerfile, but some parts were lost in the ocean. Can you find the missing parts?
+<div class="form-inline">
+<pre>
+&#35; This is a Dockerfile to create an image with Memcached and Emacs installed. <br>
+&#35; VERSION       1.0<br>
+&#35; use the ubuntu base image provided by dotCloud
+<input type="text" class="l_fill" id="from" /> ub<input type="text" class="l_fill" id="ubuntu" /><br>
+<input type="text" class="l_fill" id="maintainer" /> E<input type="text" class="l_fill" id="eric" /> B<input type="text" class="l_fill" id="bardin" />, eric.bardin@dotcloud.com<br>
+&#35; make sure the package repository is up to date
+<input type="text" class="l_fill" id="run0"/> echo "deb http://archive.ubuntu.com/ubuntu precise main universe" > /etc/apt/sources.list
+<input type="text" class="l_fill" id="run1" /> apt-get update<br>
+&#35; install memcached
+RUN apt-get install -y <input type="text" class="l_fill" id="memcached" /><br>
+&#35; install emacs
+<input type="text" class="l_fill" id="run2"/> apt-get install -y emacs23
+</pre>
+</div>
+
+<div class="alert alert-success" id="dockerfile_ok" style="display:none;">Congratulations, you successfully restored Eric's Dockerfile! You are ready to containerize the world!.<br />
+Tell the world! <a href="https://twitter.com/share" class="twitter-share-button" data-url="https://www.docker.io/learn/dockerfile/level1/" data-text="I just successfully completed the 'Fill the Dockerfile' challenge of the #Dockerfile tutorial Level 1" data-via="docker" >Tweet</a>
+</div>
+<div class="alert alert-error" id="dockerfile_ko" style="display:none;">Wooops, there are one or more errors in the Dockerfile. Try again.</div>
+<br>
+<button class="btn btn-primary" id="check_level1_fill">Check the Dockerfile</button></p>
+
+## What's next?
+
+<p>In the next level, we will go into more detail about how to specify which command should be executed when the container starts,
+which user to use, and how expose a particular port.</p>
+
+<a title="back" class="btn btn-primary back" href="/userguide/dockerimages/#creating-our-own-images">Back</a>
+<a title="next level" class="btn btn-primary" href="/userguide/level2">Go to the next level</a>

docs/sources/userguide/level2.md

@@ -0,0 +1,97 @@
+page_title: Docker Images Test
+page_description: How to work with Docker images.
+page_keywords: documentation, docs, the docker guide, docker guide, docker, docker platform, virtualization framework, docker.io, Docker images, Docker image, image management, Docker repos, Docker repositories, docker, docker tag, docker tags, Docker Hub, collaboration
+
+<a title="back" class="btn btn-primary back" href="/userguide/dockerimages/#creating-our-own-images">Back</a>
+
+#Test Yourself
+
+## Test your Dockerfile skills - Level 2
+
+### Questions:
+
+<div class="level_questions">
+What is the Dockerfile instruction to specify the base image?<br>
+	<input type="text" class="level">
+	<div style="display:none;" id="level2_error0" class="alert alert-error level_error">The right answer was <code>FROM</code></div><br>
+	Which Dockerfile instruction sets the default command for your image?<br>
+	<input type="text" class="level">
+	<div style="display:none;" id="level2_error4" class="alert alert-error level_error">The right answer was <code>ENTRYPOINT</code> or <code>CMD</code></div><br>
+	What is the character used to add comments in Dockerfiles?<br>
+	<input type="text" class="level">
+	<div style="display:none;" id="level2_error3" class="alert alert-error level_error">The right answer was <code>#</code></div><br>
+    Which Dockerfile instruction sets the username to use when running the image?<br>
+	<input type="text" class="level">
+	<div style="display:none;" id="level2_error5" class="alert alert-error level_error">The right answer was <code>USER</code></div><br>
+	What is the Dockerfile instruction to execute any command on the current image and commit the results?<br>
+	<input type="text" class="level">
+	<div style="display:none;" id="level2_error1" class="alert alert-error level_error">The right answer was <code>RUN</code></div><br>
+	Which Dockerfile instruction sets ports to be exposed when running the image?<br>
+	<input type="text" class="level">
+	<div style="display:none;" id="level2_error6" class="alert alert-error level_error">The right answer was <code>EXPOSE</code></div><br>
+	What is the Dockerfile instruction to specify the maintainer of the Dockerfile?<br>
+	<input type="text" class="level">
+	<div style="display:none;" id="level2_error2" class="alert alert-error level_error">The right answer was <code>MAINTAINER</code></div><br>
+	Which Dockerfile instruction lets you trigger a command as soon as the container starts?<br>
+	<input type="text" class="level">
+	<div style="display:none;" id="level2_error7" class="alert alert-error level_error">The right answer was <code>ENTRYPOINT</code> or <code>CMD</code></div><br>
+	<p>
+	
+	<div class="alert alert-success" id="all_good" style="display:none;">Congratulations, you made no mistake!<br />
+	Tell the world <a href="https://twitter.com/share" class="twitter-share-button" data-url="http://www.docker.io/learn/dockerfile/level1/" data-text="I just successfully answered questions of the #Dockerfile tutorial Level 1. What's your score?" data-via="docker" >Tweet</a><br />
+	And try the next challenge: <a href="#fill_the_dockerfile">Fill the Dockerfile</a>
+	</div>
+	<div class="alert alert-error" id="no_good" style="display:none;">Your Dockerfile skills are not yet perfect, try to take the time to read this tutorial again.</div>
+	<div class="alert alert-block" id="some_good" style="display:none;">You're almost there! Read carefully the sections corresponding to your errors, and take the test again!</div>
+	</p>
+	<button class="btn btn-primary" id="check_level2_questions">Check your answers</button>
+</div>
+
+### Fill the Dockerfile
+<br>
+Your best friend Roberto Hashioka sent you a Dockerfile, but some parts were lost in the ocean. Can you find the missing parts?
+<div class="form-inline">
+<pre>
+&#35; Redis
+&#35;
+&#35; VERSION       0.42
+&#35;
+&#35; use the ubuntu base image provided by dotCloud
+<input id="from" class="l_fill" type="text">  ub<input id="ubuntu" class="l_fill" type="text"><br>
+MAINT<input id="maintainer" class="l_fill" type="text"> Ro<input id="roberto" class="l_fill" type="text"> Ha<input id="hashioka" class="l_fill" type="text"> roberto.hashioka@dotcloud.com<br>
+&#35; make sure the package repository is up to date
+<input id="run0" class="l_fill" type="text"> echo "deb http://archive.ubuntu.com/ubuntu precise main universe" > /etc/apt/sources.list
+<input id="run1" class="l_fill" type="text"> apt-get update<br>
+&#35; install wget (required for redis installation)
+<input id="run2" class="l_fill" type="text"> apt-get install -y wget<br>
+&#35; install make (required for redis installation)
+<input id="run3" class="l_fill" type="text"> apt-get install -y make<br>
+&#35; install gcc (required for redis installation)
+RUN apt-get install -y <input id="gcc" class="l_fill" type="text"><br>
+&#35; install apache2
+<input id="run4" class="l_fill" type="text"> wget http://download.redis.io/redis-stable.tar.gz
+<input id="run5" class="l_fill" type="text">tar xvzf redis-stable.tar.gz
+<input id="run6" class="l_fill" type="text">cd redis-stable && make && make install<br>
+&#35; launch redis when starting the image
+<input id="entrypoint" class="l_fill" type="text"> ["redis-server"]<br>
+&#35; run as user dameon
+<input id="user" class="l_fill" type="text"> daemon<br>
+&#35; expose port 6379
+<input id="expose" class="l_fill" type="text"> 6379
+</pre>
+<div class="alert alert-success" id="dockerfile_ok" style="display:none;">Congratulations, you successfully restored Roberto's Dockerfile! You are ready to containerize the world!.<br />
+    Tell the world! <a href="https://twitter.com/share" class="twitter-share-button" data-url="http://www.docker.io/learn/dockerfile/level2/" data-text="I just successfully completed the 'Dockerfill' challenge of the #Dockerfile tutorial Level 2" data-via="docker" >Tweet</a>
+</div>
+<div class="alert alert-error" id="dockerfile_ko" style="display:none;">Wooops, there are one or more errors in the Dockerfile. Try again.</div>
+<br>
+<button class="btn btn-primary" id="check_level2_fill">Check the Dockerfile</button></p>
+</div>
+    
+## What's next?
+<p>
+Thanks for going through our tutorial! We will be posting Level 3 shortly. Follow us on twitter<br>
+<a href="https://twitter.com/docker" class="twitter-follow-button" data-show-count="false">Follow @docker</a>
+<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
+</p>
+<p>In the meantime, check out this <a href="http://crosbymichael.com/dockerfile-best-practices.html">blog post</a> by Michael Crosby that describes Dockerfile Best Practices.</p>
+<a title="creating our own images" class="btn btn-primary" href="/userguide/dockerimages/#creating-our-own-images">Back to the Docs!</a>

docs/theme/mkdocs/base.html

@@ -17,6 +17,7 @@
   <link href="/css/bootstrap-custom.css" rel="stylesheet">
   <link href="/css/main.css" rel="stylesheet">
   <link href="/css/prettify-1.0.css" rel="stylesheet">
+  <link rel="stylesheet" type="text/css" href="/css/dockerfile_tutorial.css">
   <link href="/tipuesearch/tipuesearch.css" rel="stylesheet">
   <link href="/css/docs.css" rel="stylesheet">
   <link rel="shortcut icon" href="{{ site_favicon }}">
@@ -102,9 +103,12 @@
 {% include "footer.html" %}
 
 <script src="/js/jquery-1.10.2.min.js"></script>
+<script src="/js/jquery.cookie.js" ></script>
 <script src="/js/jquery-scrolltofixed-min.js"></script>
 <script src="/js/bootstrap-3.0.3.min.js"></script>
 <script src="/js/prettify-1.0.min.js"></script>
+<script src="/js/dockerfile_tutorial.js"></script>
+<script src="/js/dockerfile_tutorial_level.js"></script>
 <script src="/js/base.js"></script>
 <script src="/tipuesearch/tipuesearch_set.js"></script>
 <script src="/tipuesearch/tipuesearch.min.js"></script>

docs/theme/mkdocs/css/dockerfile_tutorial.css

@@ -0,0 +1,59 @@
+pre {
+    background-color: #F5F5F5;
+    border: 1px solid rgba(0, 0, 0, 0.15);
+    border-radius: 4px 4px 4px 4px;
+    display: block;
+    font-size: 13px;
+    line-height: 20px;
+    margin: 0 0 10px;
+    padding: 9.5px;
+    white-space: pre-wrap;
+    word-break: break-all;
+    word-wrap: break-word;
+}
+code, pre {
+    border-radius: 3px 3px 3px 3px;
+    color: #333333;
+    font-family: Monaco,Menlo,Consolas,"Courier New",monospace;
+    font-size: 12px;
+    padding: 0 3px 2px;
+}
+
+.terminal {
+	color: #AAAAAA;
+	background-color: black;
+}
+
+.terminal  span.command {
+	color: white;
+	font-weight: bold;
+}
+
+.error_input {
+    border-color: #B94A48 !important;
+    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075) inset !important;
+}
+
+input.level {
+    width: 150px;
+    height: 2.5em;
+    display: inline-block;
+}
+div.level_error {
+    width: 300px;
+    display: inline-block;
+    padding: 7px 12px;
+}
+.alert {
+    text-align:center;
+}
+#check_level_questions {
+    margin-top: 10px;
+}
+.form-inline input.l_fill {
+    height: 20px;
+    border-radius: 0;
+    width: 90px;
+    margin-right: 0;
+    padding: 0 0 2px 0;
+}

docs/theme/mkdocs/js/dockerfile_tutorial.js

@@ -0,0 +1,74 @@
+function clean_input(i) {
+    return i.replace(/^\s+|\s+$/g, '');
+}
+
+function clean_up(str){
+    return clean_input(str).toUpperCase();
+}
+
+function dockerfile_log(level, item, errors)
+{
+	var logUrl = '/tutorial/api/dockerfile_event/';
+	$.ajax({
+			url: logUrl,
+			type: "POST",
+			cache:false,
+			data: {
+				'errors': errors,
+				'level': level,
+				'item': item,
+			},
+		}).done( function() { } );
+}
+
+function validate_email(email)
+{ 
+	var re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
+	return re.test(email);
+} 
+
+$(document).ready(function() {
+
+    /* prepare to send the csrf-token on each ajax-request */
+    var csrftoken = $.cookie('csrftoken');
+    $.ajaxSetup({
+        headers: { 'X-CSRFToken': csrftoken }
+    });
+
+    $("#send_email").click( function()
+    {
+        $('#email_invalid').hide();
+        $('#email_already_registered').hide();
+        $('#email_registered').hide();
+
+        email = $('#email').val();
+        if (!validate_email(email))
+        {
+            $('#email_invalid').show();
+            return (false);
+        }
+
+        var emailUrl = '/tutorial/api/subscribe/';
+
+        $.ajax({
+                url: emailUrl,
+                type: "POST",
+                cache:false,
+                data: {
+                    'email': email,
+                    'from_level': $(this).data('level')
+                },
+            }).done( function(data ) {
+                    if (data == 1) // already registered
+                    {
+                        $('#email_already_registered').show();
+                    }
+                    else if (data == 0) // registered ok
+                    {
+                        $('#email_registered').show();
+                    }
+
+                } );
+        return (true);
+    });
+})

docs/theme/mkdocs/js/dockerfile_tutorial_level.js

@@ -0,0 +1,176 @@
+function check_form1 ()
+{
+	$('#level1_error0').hide();
+	$('#level1_error1').hide();
+	$('#level1_error2').hide();
+	$('#level1_error3').hide();
+	
+	$('#no_good').hide();	
+	$('#some_good').hide();		
+	$('#all_good').hide();
+
+	var a = clean_input($('#level1_q0').val()).toUpperCase();
+	var b = clean_input($('#level1_q1').val()).toUpperCase();
+	var c = clean_input($('#level1_q2').val()).toUpperCase();
+	var d = clean_input($('#level1_q3').val());
+	var points = 0;
+	
+	if (a == 'FROM'){
+		points = points + 1;
+	} else {
+		$('#level1_error0').show();
+	}
+	if (b == 'RUN') {
+		points = points + 1;
+	} else {
+		$('#level1_error1').show();
+	}
+	if (c == 'MAINTAINER') {
+		points = points + 1;
+	} else {
+		$('#level1_error2').show();
+	}
+	if (d == '#') {
+		points = points + 1;
+	} else {
+		$('#level1_error3').show();
+	}
+	if (points == 4) {// all good
+		$('#all_good').show();
+	} else if (points == 0) { // nothing good
+		$('#no_good').show();	
+	} else {// some good some bad
+		$('#some_good').show();
+	}
+	return (4 - points);
+}
+
+function check_form2 ()
+{
+    $('.level_questions .alert').hide();
+
+    var answers = {};
+    answers[0] = ['FROM'];
+    answers[1] = ['ENTRYPOINT', 'CMD'];
+    answers[2] = ['#'];
+    answers[3] = ['USER'];
+    answers[4] = ['RUN'];
+    answers[5] = ['EXPOSE'];
+    answers[6] = ['MAINTAINER'];
+    answers[7] = ['ENTRYPOINT', 'CMD'];
+
+	var points = 0;
+
+    $.each($(".level"), function(num, input){
+        var cleaned = clean_up(input.value);
+        if ($.inArray(cleaned, answers[num]) == -1) {
+            $( $(".level_error")[num]).show()
+            $(input).addClass("error_input");
+        } else {
+            $( $(".level_error")[num]).hide()
+            $(input).removeClass("error_input");
+            points += 1;
+        }
+    })
+	if (points == 8) // all good
+	{
+		$('#all_good').show();
+	}
+	else if (points == 0) // nothing good
+	{
+		$('#no_good').show();
+	}
+	else // some good some bad
+	{
+		$('#some_good').show();
+	}
+	return (8- points);
+}
+
+function check_fill(answers)
+{
+	$('#dockerfile_ok').hide();
+	$('#dockerfile_ko').hide();
+
+	var errors = 0;
+
+    $.each($(".l_fill"), function(num, input){
+        var cleaned = clean_up(input.value);
+        var id = input.id;
+        if (answers[id] != cleaned) {
+            $(input).addClass("error_input");
+            errors += 1;
+        } else {
+            $(input).removeClass("error_input");
+        }
+    });
+
+	if (errors != 0)
+	{
+		$('#dockerfile_ko').show();
+	}
+	else
+	{
+		$('#dockerfile_ok').show();
+	}
+	return (errors);
+}
+
+$(document).ready(function() {
+
+    $("#check_level1_questions").click( function(){
+        errors = check_form1();
+        dockerfile_log(1, '1_questions', errors);
+       }
+    );
+
+    $("#check_level1_fill").click( function(){
+        var answers = {};
+        answers['from'] = 'FROM';
+        answers['ubuntu'] = 'UNTU';
+        answers['maintainer'] = 'MAINTAINER';
+        answers['eric'] = 'RIC';
+        answers['bardin'] = 'ARDIN';
+        answers['run0'] = 'RUN';
+        answers['run1'] = 'RUN';
+        answers['run2'] = 'RUN';
+        answers['memcached'] = 'MEMCACHED';
+
+        var errors = check_fill(answers);
+        dockerfile_log(1, '2_fill', errors);
+    });
+
+    $("#check_level2_questions").click( function(){
+        errors = check_form2();
+        dockerfile_log(2, '1_questions', errors);
+       }
+    );
+
+    $("#check_level2_fill").click( function(){
+        var answers = {};
+        answers['from'] = "FROM";
+        answers['ubuntu'] = "UNTU";
+        answers['maintainer'] = "AINER";
+        answers['roberto'] = "BERTO";
+        answers['hashioka'] = "SHIOKA";
+        answers['run0'] = "RUN";
+        answers['run1'] = "RUN";
+        answers['run2'] = "RUN";
+        answers['run3'] = "RUN";
+        answers['run4'] = "RUN";
+        answers['run5'] = "RUN";
+        answers['run6'] = "RUN";
+        answers['entrypoint'] = "ENTRYPOINT";
+        answers['user'] = "USER";
+        answers['expose'] = "EXPOSE";
+        answers['gcc'] = "GCC";
+
+        var errors = check_fill(answers);
+        dockerfile_log(2, '2_fill', errors);
+    });
+
+    $(".btn.btn-primary.back").click( function(event){
+        event.preventDefault();
+        window.history.back();
+    })
+});

docs/theme/mkdocs/js/jquery.cookie.js

@@ -0,0 +1,90 @@
+/*!
+ * jQuery Cookie Plugin v1.3.1
+ * https://github.com/carhartl/jquery-cookie
+ *
+ * Copyright 2013 Klaus Hartl
+ * Released under the MIT license
+ */
+(function ($, document, undefined) {
+
+	var pluses = /\+/g;
+
+	function raw(s) {
+		return s;
+	}
+
+	function decoded(s) {
+		return unRfc2068(decodeURIComponent(s.replace(pluses, ' ')));
+	}
+
+	function unRfc2068(value) {
+		if (value.indexOf('"') === 0) {
+			// This is a quoted cookie as according to RFC2068, unescape
+			value = value.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\');
+		}
+		return value;
+	}
+
+	function fromJSON(value) {
+		return config.json ? JSON.parse(value) : value;
+	}
+
+	var config = $.cookie = function (key, value, options) {
+
+		// write
+		if (value !== undefined) {
+			options = $.extend({}, config.defaults, options);
+
+			if (value === null) {
+				options.expires = -1;
+			}
+
+			if (typeof options.expires === 'number') {
+				var days = options.expires, t = options.expires = new Date();
+				t.setDate(t.getDate() + days);
+			}
+
+			value = config.json ? JSON.stringify(value) : String(value);
+
+			return (document.cookie = [
+				encodeURIComponent(key), '=', config.raw ? value : encodeURIComponent(value),
+				options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
+				options.path    ? '; path=' + options.path : '',
+				options.domain  ? '; domain=' + options.domain : '',
+				options.secure  ? '; secure' : ''
+			].join(''));
+		}
+
+		// read
+		var decode = config.raw ? raw : decoded;
+		var cookies = document.cookie.split('; ');
+		var result = key ? null : {};
+		for (var i = 0, l = cookies.length; i < l; i++) {
+			var parts = cookies[i].split('=');
+			var name = decode(parts.shift());
+			var cookie = decode(parts.join('='));
+
+			if (key && key === name) {
+				result = fromJSON(cookie);
+				break;
+			}
+
+			if (!key) {
+				result[name] = fromJSON(cookie);
+			}
+		}
+
+		return result;
+	};
+
+	config.defaults = {};
+
+	$.removeCookie = function (key, options) {
+		if ($.cookie(key) !== null) {
+			$.cookie(key, null, options);
+			return true;
+		}
+		return false;
+	};
+
+})(jQuery, document);