diff --git a/SBH(intermediate Pages)/indexIntermediateCyber.html b/SBH(intermediate Pages)/indexIntermediateCyber.html
index a835e69..e166096 100644
--- a/SBH(intermediate Pages)/indexIntermediateCyber.html	
+++ b/SBH(intermediate Pages)/indexIntermediateCyber.html	
@@ -73,6 +73,7 @@ <h3>DDOS Attack</h3>
         </div>
     </section>
     <script src="script.js"></script>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/annyang/2.6.0/annyang.min.js"></script>
 
       <!-- Accessibility Mode Button -->
  <div class="accessibility-button hover-speak" onclick="toggleAccessibilityMenu()"
@@ -88,13 +89,14 @@ <h3>DDOS Attack</h3>
    <li><button class="hover-speak" onclick="toggleScreenReader()" id="screenReaderButton"
        onmouseover="speakText('click here to change the screen reader mode')" onmouseleave="stopSpeaking()">Enable
        Screen Reader</button></li>
-   <li><button onclick="toggleKeyboardNavigation()">Enable Keyboard Navigation</button></li>
+       <li><button onclick="toggleVoiceRecognition()" id="voiceRecognitionButton">Enable Voice Recognition</button></li>
  </ul>
 </div>
 
 <script>
     // accessibility js 
 var screenReaderEnabled = false;
+var voiceRecognitionEnabled = false;
 
 function toggleAccessibilityMenu() {
   var menu = document.getElementById("accessibilityMenu");
@@ -127,6 +129,101 @@ <h3>DDOS Attack</h3>
 function stopSpeaking() {
   window.speechSynthesis.cancel();
 }
+
+function toggleVoiceRecognition() {
+    voiceRecognitionEnabled = !voiceRecognitionEnabled;
+    var menuButton = document.getElementById("voiceRecognitionButton");
+    if (voiceRecognitionEnabled) {
+        startVoiceRecognition();
+        menuButton.innerText = "Disable voice recognition";
+    } else {
+        stopVoiceRecognition();
+        menuButton.innerText = "Enaable voice recognition";
+        toggleAccessibilityMenu();
+    }
+}
+
+function startVoiceRecognition() {
+    if (annyang) {
+        annyang.start();
+        speakText("Voice recognition enabled");
+    }
+}
+
+function stopVoiceRecognition() {
+    if (annyang) {
+        annyang.abort();
+        speakText("Voice recognition disabled");
+    }
+}
+
+// Voice commands
+if (annyang) {
+    var commands = {
+        'enable voice recognition': toggleVoiceRecognition,
+        'disable voice recognition': toggleVoiceRecognition,
+        'play quiz on cyber security': function() {
+            playquiz();
+            speakText('redirecting to Cyber Security quiz');
+        },
+        'play video one': function() {
+            playvideo1();
+            speakText('playing video on Basics of Cyber Security');
+        },
+        'play video two': function() {
+            playvideo2();
+            speakText('playing video on Ethical Hacking');
+        },
+        'play video three': function() {
+            playvideo3();
+            speakText('playing video on penetration Testing');
+        },
+        'play video four': function() {
+            playvideo4();
+            speakText('playing video on Cross-Site Scripting');
+        },
+        'play video five': function() {
+            playvideo5();
+            speakText('Playing video on Kali Linux Basics');
+        },
+        'play video six': function() {
+            playvideo6();
+            speakText('playing video on DDOS Attack');
+        },
+    };
+
+    annyang.addCommands(commands);
+    annyang.debug(true);
+
+    function playquiz() {
+        var url = '/Quizzes/indexquiz2cybersecurity.html';
+        window.location.href = url;
+    }
+    function playvideo1() {
+        var url = 'https://www.youtube.com/watch?v=njPY7pQTRWg';
+        window.location.href = url;
+    }
+    function playvideo2() {
+        var url = 'https://www.youtube.com/watch?v=cKEf8H9cQGM';
+        window.location.href = url;
+    }
+    function playvideo3() {
+        var url = 'https://www.youtube.com/watch?v=dqm-Lv03AN4';
+        window.location.href = url;
+    }
+    function playvideo4() {
+        var url = 'https://youtu.be/N-O4w6PynGY?si=vZ2jk4KyIt08B28D';
+        window.location.href = url;
+    }
+    function playvideo5() {
+        var url = 'https://youtu.be/l77LuRue_lM?si=LsXJyV1oTGhuoZR0';
+        window.location.href = url;
+    }
+    function playvideo6() {
+        var url = 'https://youtu.be/PTJ6UZz1pPQ?si=90laKqYcPheckEAp';
+        window.location.href = url;
+    }
+}
 </script>
 </body>
 </html>
\ No newline at end of file
diff --git a/SBH(intermediate Pages)/indexIntermediateJSPage.HTML b/SBH(intermediate Pages)/indexIntermediateJSPage.HTML
index b1784e1..c36cf01 100644
--- a/SBH(intermediate Pages)/indexIntermediateJSPage.HTML	
+++ b/SBH(intermediate Pages)/indexIntermediateJSPage.HTML	
@@ -90,13 +90,17 @@
    <li><button class="hover-speak" onclick="toggleScreenReader()" id="screenReaderButton"
        onmouseover="speakText('click here to change the screen reader mode')" onmouseleave="stopSpeaking()">Enable
        Screen Reader</button></li>
-   <li><button onclick="toggleKeyboardNavigation()">Enable Keyboard Navigation</button></li>
+    <li><button onclick="toggleVoiceRecognition()" id="voiceRecognitionButton">Enable Voice Recognition</button></li>
  </ul>
 </div>
 
+
+<script src="//cdnjs.cloudflare.com/ajax/libs/annyang/2.6.0/annyang.min.js"></script>
 <script>
     // accessibility js 
 var screenReaderEnabled = false;
+var voiceRecognitionEnabled = false;
+
 
 function toggleAccessibilityMenu() {
   var menu = document.getElementById("accessibilityMenu");
@@ -129,6 +133,101 @@ function speakText(text) {
 function stopSpeaking() {
   window.speechSynthesis.cancel();
 }
+
+function toggleVoiceRecognition() {
+    voiceRecognitionEnabled = !voiceRecognitionEnabled;
+    var menuButton = document.getElementById("voiceRecognitionButton");
+    if (voiceRecognitionEnabled) {
+        startVoiceRecognition();
+        menuButton.innerText = "Disable voice recognition";
+    } else {
+        stopVoiceRecognition();
+        menuButton.innerText = "Enaable voice recognition";
+        toggleAccessibilityMenu();
+    }
+}
+
+function startVoiceRecognition() {
+    if (annyang) {
+        annyang.start();
+        speakText("Voice recognition enabled");
+    }
+}
+
+function stopVoiceRecognition() {
+    if (annyang) {
+        annyang.abort();
+        speakText("Voice recognition disabled");
+    }
+}
+
+// Voice commands
+if (annyang) {
+    var commands = {
+        'enable voice recognition': toggleVoiceRecognition,
+        'disable voice recognition': toggleVoiceRecognition,
+        'play quiz on js': function() {
+            playquiz();
+            speakText('redirecting to JS quiz');
+        },
+        'play video one': function() {
+            playvideo1();
+            speakText('playing video on Variables and datatypes');
+        },
+        'play video two': function() {
+            playvideo2();
+            speakText('playing video on Strings in JS');
+        },
+        'play video three': function() {
+            playvideo3();
+            speakText('playing video on Array in JS');
+        },
+        'play video four': function() {
+            playvideo4();
+            speakText('playing video on Classes and Objects in JS');
+        },
+        'play video five': function() {
+            playvideo5();
+            speakText('Playing video on Functions in JS');
+        },
+        'play video six': function() {
+            playvideo6();
+            speakText('playing video on Events in JS');
+        },
+    };
+
+    annyang.addCommands(commands);
+    annyang.debug(true);
+
+    function playquiz() {
+        var url = '/Quizzes/indexquiz1JS.html';
+        window.location.href = url;
+    }
+    function playvideo1() {
+        var url = 'https://youtu.be/Q4p8vRQX8uY?si=jf8hldSNHRBfOUrY';
+        window.location.href = url;
+    }
+    function playvideo2() {
+        var url = 'https://youtu.be/fozwNnFunlo?si=zZTIGMMZSho7dM3J';
+        window.location.href = url;
+    }
+    function playvideo3() {
+        var url = 'https://youtu.be/cejBux2gtEE?si=FSCNpKKobH8Hut64';
+        window.location.href = url;
+    }
+    function playvideo4() {
+        var url = 'https://youtu.be/N-O4w6PynGY?si=vZ2jk4KyIt08B28D';
+        window.location.href = url;
+    }
+    function playvideo5() {
+        var url = 'https://youtu.be/a_gwOwkbhZ0?si=sWuNj6_c0FSYfp7m';
+        window.location.href = url;
+    }
+    function playvideo6() {
+        var url = 'https://youtu.be/d4PN2rJD98g?si=bdHFVSMfmtOAOogO';
+        window.location.href = url;
+    }
+}
 </script>
 </body>
 </html>
\ No newline at end of file
diff --git a/SBH(intermediate Pages)/index_intermediate(APT).html b/SBH(intermediate Pages)/index_intermediate(APT).html
index 4fc0454..3192283 100644
--- a/SBH(intermediate Pages)/index_intermediate(APT).html	
+++ b/SBH(intermediate Pages)/index_intermediate(APT).html	
@@ -72,6 +72,7 @@ <h3>Mixture and Alligation</h3>
         </div>
     </section>
     <script src="script.js"></script>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/annyang/2.6.0/annyang.min.js"></script>
 
      <!-- Accessibility Mode Button -->
  <div class="accessibility-button hover-speak" onclick="toggleAccessibilityMenu()"
@@ -87,13 +88,14 @@ <h3>Mixture and Alligation</h3>
    <li><button class="hover-speak" onclick="toggleScreenReader()" id="screenReaderButton"
        onmouseover="speakText('click here to change the screen reader mode')" onmouseleave="stopSpeaking()">Enable
        Screen Reader</button></li>
-   <li><button onclick="toggleKeyboardNavigation()">Enable Keyboard Navigation</button></li>
+       <li><button onclick="toggleVoiceRecognition()" id="voiceRecognitionButton">Enable Voice Recognition</button></li>
  </ul>
 </div>
 
 <script>
     // accessibility js 
 var screenReaderEnabled = false;
+var voiceRecognitionEnabled = false;
 
 function toggleAccessibilityMenu() {
   var menu = document.getElementById("accessibilityMenu");
@@ -126,6 +128,101 @@ <h3>Mixture and Alligation</h3>
 function stopSpeaking() {
   window.speechSynthesis.cancel();
 }
+
+function toggleVoiceRecognition() {
+    voiceRecognitionEnabled = !voiceRecognitionEnabled;
+    var menuButton = document.getElementById("voiceRecognitionButton");
+    if (voiceRecognitionEnabled) {
+        startVoiceRecognition();
+        menuButton.innerText = "Disable voice recognition";
+    } else {
+        stopVoiceRecognition();
+        menuButton.innerText = "Enaable voice recognition";
+        toggleAccessibilityMenu();
+    }
+}
+
+function startVoiceRecognition() {
+    if (annyang) {
+        annyang.start();
+        speakText("Voice recognition enabled");
+    }
+}
+
+function stopVoiceRecognition() {
+    if (annyang) {
+        annyang.abort();
+        speakText("Voice recognition disabled");
+    }
+}
+
+// Voice commands
+if (annyang) {
+    var commands = {
+        'enable voice recognition': toggleVoiceRecognition,
+        'disable voice recognition': toggleVoiceRecognition,
+        'play quiz on aptitude': function() {
+            playquiz();
+            speakText('redirecting to Aptitude quiz');
+        },
+        'play video one': function() {
+            playvideo1();
+            speakText('playing video on Fraction and Decimals');
+        },
+        'play video two': function() {
+            playvideo2();
+            speakText('playing video on Simplification');
+        },
+        'play video three': function() {
+            playvideo3();
+            speakText('playing video on Indices and Surds');
+        },
+        'play video four': function() {
+            playvideo4();
+            speakText('playing video on Permutation and Combination');
+        },
+        'play video five': function() {
+            playvideo5();
+            speakText('Playing video on Probability');
+        },
+        'play video six': function() {
+            playvideo6();
+            speakText('playing video on Mixture and Alligation');
+        },
+    };
+
+    annyang.addCommands(commands);
+    annyang.debug(true);
+
+    function playquiz() {
+        var url = '/Quizzes/indexquiz5aptitude.html';
+        window.location.href = url;
+    }
+    function playvideo1() {
+        var url = 'https://youtu.be/tnc9ojITRg4?si=HvhcCD6lL9GuBHqf';
+        window.location.href = url;
+    }
+    function playvideo2() {
+        var url = 'https://youtu.be/ZuMJFleXmiw?si=KJynMMSl_UeewRPG';
+        window.location.href = url;
+    }
+    function playvideo3() {
+        var url = 'https://youtu.be/jAbpPTpz2bQ?si=1VAVzAI6_3CGU2mz';
+        window.location.href = url;
+    }
+    function playvideo4() {
+        var url = 'https://youtu.be/ETiRE7N7pEI?si=Ta0E4Nyn3Z0ZoU8J';
+        window.location.href = url;
+    }
+    function playvideo5() {
+        var url = 'https://youtu.be/ximxxERGSUc?si=F9VQ0A8QK5t291UZ';
+        window.location.href = url;
+    }
+    function playvideo6() {
+        var url = 'https://youtu.be/OKSJDDAyqP0?si=3diTn4X6RScydVzs';
+        window.location.href = url;
+    }
+}
 </script>
 </body>
 </html>
\ No newline at end of file
diff --git a/SBH(intermediate Pages)/index_intermediate(ML).html b/SBH(intermediate Pages)/index_intermediate(ML).html
index 329f31c..28c4330 100644
--- a/SBH(intermediate Pages)/index_intermediate(ML).html	
+++ b/SBH(intermediate Pages)/index_intermediate(ML).html	
@@ -72,6 +72,8 @@ <h3>Linear vs Logistic Regression</h3>
         </div>
     </section>
     <script src="script.js"></script>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/annyang/2.6.0/annyang.min.js"></script>
+
 
                 <!-- Accessibility Mode Button -->
  <div class="accessibility-button hover-speak" onclick="toggleAccessibilityMenu()"
@@ -87,13 +89,14 @@ <h3>Linear vs Logistic Regression</h3>
    <li><button class="hover-speak" onclick="toggleScreenReader()" id="screenReaderButton"
        onmouseover="speakText('click here to change the screen reader mode')" onmouseleave="stopSpeaking()">Enable
        Screen Reader</button></li>
-   <li><button onclick="toggleKeyboardNavigation()">Enable Keyboard Navigation</button></li>
+       <li><button onclick="toggleVoiceRecognition()" id="voiceRecognitionButton">Enable Voice Recognition</button></li>
  </ul>
 </div>
 
 <script>
     // accessibility js 
 var screenReaderEnabled = false;
+var voiceRecognitionEnabled = false;
 
 function toggleAccessibilityMenu() {
   var menu = document.getElementById("accessibilityMenu");
@@ -126,6 +129,101 @@ <h3>Linear vs Logistic Regression</h3>
 function stopSpeaking() {
   window.speechSynthesis.cancel();
 }
+
+function toggleVoiceRecognition() {
+    voiceRecognitionEnabled = !voiceRecognitionEnabled;
+    var menuButton = document.getElementById("voiceRecognitionButton");
+    if (voiceRecognitionEnabled) {
+        startVoiceRecognition();
+        menuButton.innerText = "Disable voice recognition";
+    } else {
+        stopVoiceRecognition();
+        menuButton.innerText = "Enaable voice recognition";
+        toggleAccessibilityMenu();
+    }
+}
+
+function startVoiceRecognition() {
+    if (annyang) {
+        annyang.start();
+        speakText("Voice recognition enabled");
+    }
+}
+
+function stopVoiceRecognition() {
+    if (annyang) {
+        annyang.abort();
+        speakText("Voice recognition disabled");
+    }
+}
+
+// Voice commands
+if (annyang) {
+    var commands = {
+        'enable voice recognition': toggleVoiceRecognition,
+        'disable voice recognition': toggleVoiceRecognition,
+        'play quiz on ml': function() {
+            playquiz();
+            speakText('redirecting to ML quiz');
+        },
+        'play video one': function() {
+            playvideo1();
+            speakText('playing video on Introduction to ML');
+        },
+        'play video two': function() {
+            playvideo2();
+            speakText('playing video on Supervised Learning Algo');
+        },
+        'play video three': function() {
+            playvideo3();
+            speakText('playing video on Regression Introduction');
+        },
+        'play video four': function() {
+            playvideo4();
+            speakText('playing video on Linear Regression');
+        },
+        'play video five': function() {
+            playvideo5();
+            speakText('Playing video on Logistic Regression');
+        },
+        'play video six': function() {
+            playvideo6();
+            speakText('playing video on Linear vs Logistic Regression');
+        },
+    };
+
+    annyang.addCommands(commands);
+    annyang.debug(true);
+
+    function playquiz() {
+        var url = '/Quizzes/indexquiz6ML.html';
+        window.location.href = url;
+    }
+    function playvideo1() {
+        var url = 'https://youtu.be/kz184QIO4ZQ?si=-Z2oi9i5Kv-mgk-A';
+        window.location.href = url;
+    }
+    function playvideo2() {
+        var url = 'https://youtu.be/LKlOH8OLLcw?si=eNJdg9KyE2Gsi777';
+        window.location.href = url;
+    }
+    function playvideo3() {
+        var url = 'https://youtu.be/cHT-qLnRm0E?si=fGK-LCMWniOvwXcm';
+        window.location.href = url;
+    }
+    function playvideo4() {
+        var url = 'https://youtu.be/zUQr6HAAKp4?si=k2ikAoyByOJ07Z_d';
+        window.location.href = url;
+    }
+    function playvideo5() {
+        var url = 'https://youtu.be/r8OjlgWpAI0?si=PWvMN2jSUBlkS-3d';
+        window.location.href = url;
+    }
+    function playvideo6() {
+        var url = 'https://youtu.be/BVP1EDKb6_g?si=qrPG_wjJBhGrtoFS';
+        window.location.href = url;
+    }
+}
 </script>
 </body>
 </html>
\ No newline at end of file
diff --git a/SBH(intermediate Pages)/index_intermediateDigital.html b/SBH(intermediate Pages)/index_intermediateDigital.html
index b10f78d..fedb73b 100644
--- a/SBH(intermediate Pages)/index_intermediateDigital.html	
+++ b/SBH(intermediate Pages)/index_intermediateDigital.html	
@@ -72,6 +72,7 @@ <h3>Google adwords</h3>
         </div>
     </section>
     <script src="script.js"></script>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/annyang/2.6.0/annyang.min.js"></script>
 
     <!-- Accessibility Mode Button -->
  <div class="accessibility-button hover-speak" onclick="toggleAccessibilityMenu()"
@@ -87,13 +88,14 @@ <h3>Google adwords</h3>
    <li><button class="hover-speak" onclick="toggleScreenReader()" id="screenReaderButton"
        onmouseover="speakText('click here to change the screen reader mode')" onmouseleave="stopSpeaking()">Enable
        Screen Reader</button></li>
-   <li><button onclick="toggleKeyboardNavigation()">Enable Keyboard Navigation</button></li>
+       <li><button onclick="toggleVoiceRecognition()" id="voiceRecognitionButton">Enable Voice Recognition</button></li>
  </ul>
 </div>
 
 <script>
     // accessibility js 
 var screenReaderEnabled = false;
+var voiceRecognitionEnabled = false;
 
 function toggleAccessibilityMenu() {
   var menu = document.getElementById("accessibilityMenu");
@@ -126,6 +128,101 @@ <h3>Google adwords</h3>
 function stopSpeaking() {
   window.speechSynthesis.cancel();
 }
+
+function toggleVoiceRecognition() {
+    voiceRecognitionEnabled = !voiceRecognitionEnabled;
+    var menuButton = document.getElementById("voiceRecognitionButton");
+    if (voiceRecognitionEnabled) {
+        startVoiceRecognition();
+        menuButton.innerText = "Disable voice recognition";
+    } else {
+        stopVoiceRecognition();
+        menuButton.innerText = "Enaable voice recognition";
+        toggleAccessibilityMenu();
+    }
+}
+
+function startVoiceRecognition() {
+    if (annyang) {
+        annyang.start();
+        speakText("Voice recognition enabled");
+    }
+}
+
+function stopVoiceRecognition() {
+    if (annyang) {
+        annyang.abort();
+        speakText("Voice recognition disabled");
+    }
+}
+
+// Voice commands
+if (annyang) {
+    var commands = {
+        'enable voice recognition': toggleVoiceRecognition,
+        'disable voice recognition': toggleVoiceRecognition,
+        'play quiz on digital marketing': function() {
+            playquiz();
+            speakText('redirecting to Digital Marketing quiz');
+        },
+        'play video one': function() {
+            playvideo1();
+            speakText('playing video on How to start a blog?');
+        },
+        'play video two': function() {
+            playvideo2();
+            speakText('playing video on Affiliate Marketing Basics');
+        },
+        'play video three': function() {
+            playvideo3();
+            speakText('playing video on What is SEO?');
+        },
+        'play video four': function() {
+            playvideo4();
+            speakText('playing video on Youtube Marketing');
+        },
+        'play video five': function() {
+            playvideo5();
+            speakText('Playing video on Instagram Marketing');
+        },
+        'play video six': function() {
+            playvideo6();
+            speakText('playing video on Google adwords');
+        },
+    };
+
+    annyang.addCommands(commands);
+    annyang.debug(true);
+
+    function playquiz() {
+        var url = '/Quizzes/indexquiz2cybersecurity.html';
+        window.location.href = url;
+    }
+    function playvideo1() {
+        var url = 'https://youtu.be/ZjVoShBahRg?si=mJsPLH2DMuXWgoMC';
+        window.location.href = url;
+    }
+    function playvideo2() {
+        var url = 'https://youtu.be/SLE72I-2lv8?si=jSBBpCjMjR5TzBg5';
+        window.location.href = url;
+    }
+    function playvideo3() {
+        var url = 'https://youtu.be/N8DhIndTi6E?si=nyyPg7-6g7JlqNQC';
+        window.location.href = url;
+    }
+    function playvideo4() {
+        var url = 'https://youtu.be/wc0PV2z_04o?si=TxysHw80Hc9R57KW';
+        window.location.href = url;
+    }
+    function playvideo5() {
+        var url = 'https://youtu.be/7NHOzZyDqDw?si=-hMv3K7TV4uYo8Lq';
+        window.location.href = url;
+    }
+    function playvideo6() {
+        var url = 'https://youtu.be/fVJ1QS2_K4c?si=laT1LOswBxOv3JfR';
+        window.location.href = url;
+    }
+}
 </script>
 </body>
 </html>
\ No newline at end of file
diff --git a/SBH(intermediate Pages)/index_intermeditate(CC).html b/SBH(intermediate Pages)/index_intermeditate(CC).html
index 9aec69b..805bd7e 100644
--- a/SBH(intermediate Pages)/index_intermeditate(CC).html	
+++ b/SBH(intermediate Pages)/index_intermeditate(CC).html	
@@ -72,6 +72,7 @@ <h3>Characteristics of CC</h3>
         </div>
     </section>
     <script src="script.js"></script>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/annyang/2.6.0/annyang.min.js"></script>
 
     
                 <!-- Accessibility Mode Button -->
@@ -88,13 +89,14 @@ <h3>Characteristics of CC</h3>
    <li><button class="hover-speak" onclick="toggleScreenReader()" id="screenReaderButton"
        onmouseover="speakText('click here to change the screen reader mode')" onmouseleave="stopSpeaking()">Enable
        Screen Reader</button></li>
-   <li><button onclick="toggleKeyboardNavigation()">Enable Keyboard Navigation</button></li>
+       <li><button onclick="toggleVoiceRecognition()" id="voiceRecognitionButton">Enable Voice Recognition</button></li>
  </ul>
 </div>
 
 <script>
     // accessibility js 
 var screenReaderEnabled = false;
+var voiceRecognitionEnabled = false;
 
 function toggleAccessibilityMenu() {
   var menu = document.getElementById("accessibilityMenu");
@@ -127,6 +129,101 @@ <h3>Characteristics of CC</h3>
 function stopSpeaking() {
   window.speechSynthesis.cancel();
 }
+
+function toggleVoiceRecognition() {
+    voiceRecognitionEnabled = !voiceRecognitionEnabled;
+    var menuButton = document.getElementById("voiceRecognitionButton");
+    if (voiceRecognitionEnabled) {
+        startVoiceRecognition();
+        menuButton.innerText = "Disable voice recognition";
+    } else {
+        stopVoiceRecognition();
+        menuButton.innerText = "Enaable voice recognition";
+        toggleAccessibilityMenu();
+    }
+}
+
+function startVoiceRecognition() {
+    if (annyang) {
+        annyang.start();
+        speakText("Voice recognition enabled");
+    }
+}
+
+function stopVoiceRecognition() {
+    if (annyang) {
+        annyang.abort();
+        speakText("Voice recognition disabled");
+    }
+}
+
+// Voice commands
+if (annyang) {
+    var commands = {
+        'enable voice recognition': toggleVoiceRecognition,
+        'disable voice recognition': toggleVoiceRecognition,
+        'play quiz on cloud computing': function() {
+            playquiz();
+            speakText('redirecting to Cloud computing quiz');
+        },
+        'play video one': function() {
+            playvideo1();
+            speakText('playing video on Cloud Computing Introduction');
+        },
+        'play video two': function() {
+            playvideo2();
+            speakText('playing video on Platform as a Service(PAAS)');
+        },
+        'play video three': function() {
+            playvideo3();
+            speakText('playing video on Software as a Service(SAAS)');
+        },
+        'play video four': function() {
+            playvideo4();
+            speakText('playing video on Cloud Deployment Models');
+        },
+        'play video five': function() {
+            playvideo5();
+            speakText('Playing video on Cloud Computing Benefits');
+        },
+        'play video six': function() {
+            playvideo6();
+            speakText('playing video on Characteristics of CC');
+        },
+    };
+
+    annyang.addCommands(commands);
+    annyang.debug(true);
+
+    function playquiz() {
+        var url = '/Quizzes/indexquiz3cloudcomputing.html';
+        window.location.href = url;
+    }
+    function playvideo1() {
+        var url = 'https://www.youtube.com/watch?v=njPY7pQTRWg';
+        window.location.href = url;
+    }
+    function playvideo2() {
+        var url = 'https://www.youtube.com/watch?v=cKEf8H9cQGM';
+        window.location.href = url;
+    }
+    function playvideo3() {
+        var url = 'https://www.youtube.com/watch?v=dqm-Lv03AN4';
+        window.location.href = url;
+    }
+    function playvideo4() {
+        var url = 'https://youtu.be/N-O4w6PynGY?si=vZ2jk4KyIt08B28D';
+        window.location.href = url;
+    }
+    function playvideo5() {
+        var url = 'https://youtu.be/l77LuRue_lM?si=LsXJyV1oTGhuoZR0';
+        window.location.href = url;
+    }
+    function playvideo6() {
+        var url = 'https://youtu.be/PTJ6UZz1pPQ?si=90laKqYcPheckEAp';
+        window.location.href = url;
+    }
+}
 </script>
 </body>
 </html>
\ No newline at end of file