diff --git a/openedx_cmi5_xblock/openedx_cmi5_xblock.py b/openedx_cmi5_xblock/openedx_cmi5_xblock.py
index 58aa1dc..16305ab 100644
--- a/openedx_cmi5_xblock/openedx_cmi5_xblock.py
+++ b/openedx_cmi5_xblock/openedx_cmi5_xblock.py
@@ -128,13 +128,6 @@ class CMI5XBlock(XBlock, CompletableXBlockMixin):
         scope=Scope.content,
     )
 
-    launch_methods = List(
-        display_name=_('Launch Methods'),
-        help=_('List of launch methods of AU URLs'),
-        default=[],
-        scope=Scope.content,
-    )
-
     current_au_index = Integer(
         display_name=_('Current AU Index'),
         help=_('Index of the currently displayed AU URL'),
@@ -200,7 +193,6 @@ def student_view(self, context=None):
                 'popup_width': self.width or 800,
                 'popup_height': self.height or 800,
                 'au_urls': self.au_urls,
-                'launch_methods': self.launch_methods,
                 'current_au_index': self.current_au_index,
                 'total_au_count': self.total_au_count,
             },
@@ -536,12 +528,19 @@ def update_package_fields(self):
 
         au_elements = root.findall('.//{prefix}au'.format(prefix=prefix))
         if au_elements:
-            au_urls = [au.find('./{prefix}url'.format(prefix=prefix)).text for au in au_elements]
-            launch_methods = [au.get('launchMethod', 'AnyWindow') for au in au_elements]
+            au_data_list = []
+            for au in au_elements:
+                au_url = au.find('./{prefix}url'.format(prefix=prefix)).text
+                launch_method = au.get('launchMethod', 'AnyWindow')
+                
+                au_data = {
+                    'url': self.launch_au_url(au_url),
+                    'launch_method': launch_method
+                }
+                au_data_list.append(au_data)
 
-            self.index_page_path = au_urls[0]
-            self.au_urls = [self.launch_au_url(url) for url in au_urls]
-            self.launch_methods = launch_methods
+            self.index_page_path = au_data_list[0]['url']
+            self.au_urls = au_data_list
             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/html/openedx_cmi5_xblock.html b/openedx_cmi5_xblock/static/html/openedx_cmi5_xblock.html
index 81e2a2e..2d2be58 100644
--- a/openedx_cmi5_xblock/static/html/openedx_cmi5_xblock.html
+++ b/openedx_cmi5_xblock/static/html/openedx_cmi5_xblock.html
@@ -3,15 +3,17 @@
 <div class="openedx_cmi5_xblock_block">
     <h3 class="xblock-title mb-2">{{title}}</h3>
     <br>
-    <h5 class="xblock-title mb-2">Available Assignables</h5>
+    
+    {% if index_page_url %}
+    <h5 class="xblock-title mb-2">Available Assignables:</h5>
     <ol>
         {% for au_url in cmi5_xblock.au_urls %}
             <li>
-                <a href="{{ au_url }}" target="_blank">AU No. {{ forloop.counter }}</a>
+                <a href="{{ au_url.url }}" target="_blank">AU No. {{ forloop.counter }}</a>
             </li>
         {% endfor %}
     </ol>
-    {% if index_page_url %}
+
     <div class="cmi5-content">
         <iframe
             class="cmi5-embedded"
@@ -20,8 +22,6 @@ <h5 class="xblock-title mb-2">Available Assignables</h5>
             height="{% if cmi5_xblock.height %}{{ cmi5_xblock.height }}{% else %}450{% endif %}"
         >
         </iframe>
-        <button id="nextButton">Next Assessment</button>
-        <button id="prevButton">Previous Assessment</button>
     </div>
     {% elif message %}
     <p>{{ message }}</p>
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 4d9b430..11dec21 100644
--- a/openedx_cmi5_xblock/static/js/src/openedx_cmi5_xblock.js
+++ b/openedx_cmi5_xblock/static/js/src/openedx_cmi5_xblock.js
@@ -11,7 +11,7 @@ function CMI5XBlock(runtime, element, settings) {
     /* Here's where you'd do things on page load. */
         var nextButton = $('#nextButton');
         var prevButton = $('#prevButton');
-        console.log("the launch_methods are : ", settings.launch_methods)
+        console.log("the au_urls are : ", settings.au_urls)
 
         prevButton.prop('disabled', true)
         
@@ -19,40 +19,27 @@ function CMI5XBlock(runtime, element, settings) {
           nextButton.prop('disabled', true)
         }
 
-        nextButton.click(function () {
-          
-          if(settings.current_au_index < settings.total_au_count-1){
-            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 () {
-           
-          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);
-            }
-          }            
-          $('.cmi5-embedded').attr('src', settings.au_urls[settings.current_au_index]);
-        });
 
         $('ol a').click(function (event) {
-          event.preventDefault(); // Prevent the default behavior of the link
-          var href = $(this).attr('href'); // Get the href attribute of the clicked link
-          updateIframeSrc(href); // Update the iframe src with the href value
+          event.preventDefault();
+          var href = $(this).attr('href');
+          updateIframeSrc(href);
       });
 
-      function updateIframeSrc(src) {
-          $('.cmi5-embedded').attr('src', src);
+      function updateIframeSrc(href) {
+          var index = settings.au_urls.findIndex(function (au) {
+              return au.url === href;
+          });
+
+          if (index !== -1) {
+              if (settings.au_urls[index].launch_method === 'OwnWindow') {
+                  // Open in a new browser window
+                  window.open(href, '_blank');
+              } else {
+                  // Display in the iframe
+                  $('.cmi5-embedded').attr('src', href);
+              }
+          }
       }
   });
 }