diff --git a/02/index.php b/02/index.php
index cbde027c..8e4def15 100644
--- a/02/index.php
+++ b/02/index.php
@@ -6,13 +6,19 @@
 	include($path."/src/parsedown/Parsedown.php");
 
 	echo '
-	<div class="header"><p><a href="http://patriciogonzalezvivo.com/2015/thebookofshaders/">The Book of Shaders</a> by <a href="http://patriciogonzalezvivo.com">Patricio Gonzalez Vivo</a></p></div>
+	<div class="header">
+		<p><a href="http://patriciogonzalezvivo.com/2015/thebookofshaders/">The Book of Shaders</a> by <a href="http://patriciogonzalezvivo.com">Patricio Gonzalez Vivo</a> </p>
+		<p>Translations: <a href=".">English</a> - <a href="?lan=jp">Japanese</a></p>
+	</div>
 	<hr>
 	<div id="content">
 	';
 
+	$README = "README";
+	if(!empty($_GET['lan'])) 
+		$README .= '-'.$_GET['lan'];
 	$Parsedown = new Parsedown();
-	echo $Parsedown->text(file_get_contents ('README.md'));
+	echo $Parsedown->text(file_get_contents($README.'.md'));
 
 	echo '
 	</div>
diff --git a/03/index.php b/03/index.php
index 4e67d927..19de56e9 100644
--- a/03/index.php
+++ b/03/index.php
@@ -6,13 +6,19 @@
 	include($path."/src/parsedown/Parsedown.php");
 
 	echo '
-	<div class="header"><p><a href="http://patriciogonzalezvivo.com/2015/thebookofshaders/">The Book of Shaders</a> by <a href="http://patriciogonzalezvivo.com">Patricio Gonzalez Vivo</a></p></div>
+	<div class="header">
+		<p><a href="http://patriciogonzalezvivo.com/2015/thebookofshaders/">The Book of Shaders</a> by <a href="http://patriciogonzalezvivo.com">Patricio Gonzalez Vivo</a> </p>
+		<p>Translations: <a href=".">English</a> - <a href="?lan=jp">Japanese</a></p>
+	</div>
 	<hr>
 	<div id="content">
 	';
 
+	$README = "README";
+	if(!empty($_GET['lan'])) 
+		$README .= '-'.$_GET['lan'];
 	$Parsedown = new Parsedown();
-	echo $Parsedown->text(file_get_contents ('README.md'));
+	echo $Parsedown->text(file_get_contents($README.'.md'));
 
 	echo '
 	</div>
diff --git a/04/index.php b/04/index.php
index 0eff319b..0adc855e 100644
--- a/04/index.php
+++ b/04/index.php
@@ -6,13 +6,19 @@
 	include($path."/src/parsedown/Parsedown.php");
 
 	echo '
-	<div class="header"><p><a href="http://patriciogonzalezvivo.com/2015/thebookofshaders/">The Book of Shaders</a> by <a href="http://patriciogonzalezvivo.com">Patricio Gonzalez Vivo</a></p></div>
+	<div class="header">
+		<p><a href="http://patriciogonzalezvivo.com/2015/thebookofshaders/">The Book of Shaders</a> by <a href="http://patriciogonzalezvivo.com">Patricio Gonzalez Vivo</a> </p>
+		<p>Translations: <a href=".">English</a> - <a href="?lan=jp">Japanese</a></p>
+	</div>
 	<hr>
 	<div id="content">
 	';
 
+	$README = "README";
+	if(!empty($_GET['lan'])) 
+		$README .= '-'.$_GET['lan'];
 	$Parsedown = new Parsedown();
-	echo $Parsedown->text(file_get_contents ('README.md'));
+	echo $Parsedown->text(file_get_contents($README.'.md'));
 
 	echo '
 	</div>