From aa78dd4ea42e52d7777560a9a4edefd1e3352c6a Mon Sep 17 00:00:00 2001
From: Developer <developer@Mac-mini-di-Developer.local>
Date: Mon, 18 Jul 2016 16:09:44 +0200
Subject: [PATCH] fixed #153

---
 source/layouts/layout.erb | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/source/layouts/layout.erb b/source/layouts/layout.erb
index 70ce05f..904a864 100644
--- a/source/layouts/layout.erb
+++ b/source/layouts/layout.erb
@@ -40,6 +40,7 @@ under the License.
     <script>
 	function start() {
    	   var languagesTags='<div class="lang-selector">';
+       <% if current_page.data.language_tabs %>
    		<% current_page.data.language_tabs.each do |lang| %>
    			<% if lang.is_a? Hash %>
    				languagesTags += '<a href="#" data-language-name="<%= lang.keys[0] %>"><%= lang.values[0] %></a>';
@@ -47,6 +48,7 @@ under the License.
    				languagesTags += '<a href="#" data-language-name="<%= lang %>"><%= lang %></a>';
    			<% end %>
    		<% end %>
+      <% end %>
    		languagesTags += '</div>';
    		console.log(languagesTags);
    	  	$(".highlight").before(languagesTags)
@@ -84,14 +86,14 @@ under the License.
           <% end %>
         ]);
       }
-	
+
 	  function after_main(){
   		$(".lang-selector").each(function(){
   			var display=$(this).next().css("display");
   			$(this).css("display",display);
   		});
 	  }
-	
+
       $(function(){
 		  $.when(start()).done(after_main());
       });
@@ -163,7 +165,7 @@ under the License.
     </div>
     <div class="page-wrapper">
       <div class="content">
-        <%= yield %> 
+        <%= yield %>
 		<% if current_page.data.includes %>
           <% current_page.data.includes.each do |include| %>
             <%= partial "includes/#{include}" %>