diff --git a/openedx_cmi5_xblock/openedx_cmi5_xblock.py b/openedx_cmi5_xblock/openedx_cmi5_xblock.py
index 200e2f7..1ce9827 100644
--- a/openedx_cmi5_xblock/openedx_cmi5_xblock.py
+++ b/openedx_cmi5_xblock/openedx_cmi5_xblock.py
@@ -198,7 +198,6 @@ def student_view(self, context=None):
             },
         )
         return frag
-        
 
     @XBlock.handler
     def lrs_endpoint(self, request, _suffix):
@@ -296,7 +295,7 @@ def launch_au_url(self, url):
         else:
             folder = self.extract_folder_path
             lms_cmi5_url = requests.utils.unquote(self.storage.url(os.path.join(folder, url)))
-        
+
         params_joining_symbol = '&' if is_params_exist(lms_cmi5_url) else '?'
         lms_cmi5_url = lms_cmi5_url + params_joining_symbol + self.get_launch_url_params()
         return lms_cmi5_url
@@ -438,7 +437,6 @@ def index_page_url(self):
         lms_cmi5_url = lms_cmi5_url + params_joining_symbol
         return lms_cmi5_url + self.get_launch_url_params()
 
-
     @property
     def extract_folder_path(self):
         """
@@ -532,7 +530,7 @@ def update_package_fields(self):
         if au_urls is not None:
             self.index_page_path = au_urls[0].text
             self.au_urls = [self.launch_au_url(au_url.text) for au_url in au_urls]
-            self.total_au_count = len(self.au_urls) 
+            self.total_au_count = len(self.au_urls)
         else:
             self.index_page_path = self.find_relative_file_path('index.html')
 
diff --git a/openedx_cmi5_xblock/static/js/src/openedx_cmi5_xblock.js b/openedx_cmi5_xblock/static/js/src/openedx_cmi5_xblock.js
index ee98851..697b2e8 100644
--- a/openedx_cmi5_xblock/static/js/src/openedx_cmi5_xblock.js
+++ b/openedx_cmi5_xblock/static/js/src/openedx_cmi5_xblock.js
@@ -1,7 +1,6 @@
 /* Javascript for CMI5XBlock. */
 function CMI5XBlock(runtime, element, settings) {
 
-
   $(function ($) {
     /*
     Use `gettext` provided by django-statici18n for static translations
@@ -13,52 +12,35 @@ function CMI5XBlock(runtime, element, settings) {
         var nextButton = $('#nextButton');
         var prevButton = $('#prevButton');
         prevButton.prop('disabled', true)
+        
         if(settings.total_au_count === 1){
           nextButton.prop('disabled', true)
         }
 
         nextButton.click(function () {
           
-          console.log("the au_urls are : ", settings.au_urls)
-          console.log("total au count : ", settings.total_au_count)
-          console.log("current au index: ", settings.current_au_index)
-
-          
-          
           if(settings.current_au_index < settings.total_au_count-1){
-          settings.current_au_index+=1
-          prevButton.prop('disabled', false)
-          
+            settings.current_au_index+=1
+            prevButton.prop('disabled', false)
+            
             if(settings.current_au_index === settings.total_au_count-1){
               nextButton.prop('disabled', true)
             }
-
           }
-        
-          
           $('.cmi5-embedded').attr('src', settings.au_urls[settings.current_au_index]);
+        });
 
-          });
-
-          prevButton.click(function () {
-          
-            console.log("the au_urls are : ", settings.au_urls)
-            console.log("total au count : ", settings.total_au_count)
-            console.log("current au index: ", settings.current_au_index)
-            
-            if(settings.current_au_index > 0){
+        prevButton.click(function () {
+           
+          if(settings.current_au_index > 0){
             settings.current_au_index-=1
             nextButton.prop('disabled', false)
 
-              if(settings.current_au_index === 0){
-                prevButton.prop('disabled', true);
-              }
+            if(settings.current_au_index === 0){
+              prevButton.prop('disabled', true);
             }
-            
-            
-            $('.cmi5-embedded').attr('src', settings.au_urls[settings.current_au_index]);
-  
-            });
-
+          }            
+          $('.cmi5-embedded').attr('src', settings.au_urls[settings.current_au_index]);
+        });
   });
 }