diff --git a/Frontend/patient_manager/web/index.html b/Frontend/patient_manager/web/index.html
index 8deeccd8..3401ef68 100644
--- a/Frontend/patient_manager/web/index.html
+++ b/Frontend/patient_manager/web/index.html
@@ -96,6 +96,10 @@
       document.body.style.background = "transparent";
     }
   </script>
+  <!-- Splash screen -->
+  <!-- <script>
+    var dartPdfJsBaseUrl = "https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.2.146/";
+  </script> -->
   <!--------------------->
 </head>
 
@@ -141,119 +145,119 @@
     });
   </script> -->
 
-<script defer>
-  var serviceWorkerVersion = '{{flutter_service_worker_version}}';
-  var scriptLoaded = false;
-  function loadMainDartJs() {
-    console.log('Loading app...');
-    if (scriptLoaded) {
-      return;
-    }
-    scriptLoaded = true;
-    {{flutter_js}}
-    {{flutter_build_config}}
-    _flutter.loader.load({
-      serviceWorker: {
-        serviceWorkerVersion: serviceWorkerVersion,
-      },
-    onEntrypointLoaded: function (engineInitializer) {
-      engineInitializer.initializeEngine().then(function (appRunner) {
-        appRunner.runApp();
+  <script defer>
+    var serviceWorkerVersion = '{{flutter_service_worker_version}}';
+    var scriptLoaded = false;
+    function loadMainDartJs() {
+      console.log('Loading app...');
+      if (scriptLoaded) {
+        return;
+      }
+      scriptLoaded = true;
+      {{flutter_js}}
+      {{flutter_build_config}}
+      _flutter.loader.load({
+        serviceWorker: {
+          serviceWorkerVersion: serviceWorkerVersion,
+        },
+        onEntrypointLoaded: function (engineInitializer) {
+          engineInitializer.initializeEngine().then(function (appRunner) {
+            appRunner.runApp();
+          });
+        }
       });
     }
-    });
-  }
 
-  if ('serviceWorker' in navigator) {
-    var startLoad = new Date();
-    // Service workers are supported. Use them.
-    window.addEventListener('load', function () {
-      // Wait for registration to finish before dropping the <script> tag.
-      // Otherwise, the browser will load the script multiple times,
-      // potentially different versions.
-      var serviceWorkerUrl = 'flutter_service_worker.js?v=' + serviceWorkerVersion;
-      navigator.serviceWorker.register(serviceWorkerUrl)
-        .then((reg) => {
+    if ('serviceWorker' in navigator) {
+      var startLoad = new Date();
+      // Service workers are supported. Use them.
+      window.addEventListener('load', function () {
+        // Wait for registration to finish before dropping the <script> tag.
+        // Otherwise, the browser will load the script multiple times,
+        // potentially different versions.
+        var serviceWorkerUrl = 'flutter_service_worker.js?v=' + serviceWorkerVersion;
+        navigator.serviceWorker.register(serviceWorkerUrl)
+          .then((reg) => {
 
-          function waitForActivation(serviceWorker) {
-            serviceWorker.addEventListener('statechange', () => {
-              if (serviceWorker.state == 'activated') {
-                console.log('Installed new service worker.');
-                loadMainDartJs();
-              }
-            });
-          }
+            function waitForActivation(serviceWorker) {
+              serviceWorker.addEventListener('statechange', () => {
+                if (serviceWorker.state == 'activated') {
+                  console.log('Installed new service worker.');
+                  loadMainDartJs();
+                }
+              });
+            }
 
-          console.log('Active Service Worker URL: ' + reg.active.scriptURL);
-          const currentSWVersion = reg.active.scriptURL.split("=")[1].replaceAll("%22", "");;
-          console.log('Active Service Worker Version: ' + serviceWorkerVersion.replaceAll("\"", ""));
-          console.log('Latest Service Worker Version: ' + currentSWVersion);
-          const isMatch = currentSWVersion === serviceWorkerVersion.replaceAll("\"", "");
-          console.log('Latest Service Worker Installed: ' + isMatch);
+            console.log('Active Service Worker URL: ' + reg.active.scriptURL);
+            const currentSWVersion = reg.active.scriptURL.split("=")[1].replaceAll("%22", "");;
+            console.log('Active Service Worker Version: ' + serviceWorkerVersion.replaceAll("\"", ""));
+            console.log('Latest Service Worker Version: ' + currentSWVersion);
+            const isMatch = currentSWVersion === serviceWorkerVersion.replaceAll("\"", "");
+            console.log('Latest Service Worker Installed: ' + isMatch);
 
-          if (!reg.active && (reg.installing || reg.waiting)) {
-            // No active web worker and we have installed or are installing
-            // one for the first time. Simply wait for it to activate.
-            console.log('No Service Worker Available - Installing New Service Worker.');
-            waitForActivation(reg.installing || reg.waiting);
-          } else if (!isMatch) {
-            // When the app updates the serviceWorkerVersion changes, so we
-            // need to ask the service worker to update.
-            console.log('New service worker available.');
-            reg.update();
-            waitForActivation(reg.installing);
-          } else {
-            // Existing service worker is still good.
-            console.log('Service Worker up-to-date, Loading app.');
+            if (!reg.active && (reg.installing || reg.waiting)) {
+              // No active web worker and we have installed or are installing
+              // one for the first time. Simply wait for it to activate.
+              console.log('No Service Worker Available - Installing New Service Worker.');
+              waitForActivation(reg.installing || reg.waiting);
+            } else if (!isMatch) {
+              // When the app updates the serviceWorkerVersion changes, so we
+              // need to ask the service worker to update.
+              console.log('New service worker available.');
+              reg.update();
+              waitForActivation(reg.installing);
+            } else {
+              // Existing service worker is still good.
+              console.log('Service Worker up-to-date, Loading app.');
+              loadMainDartJs();
+            }
+          });
+
+        // If service worker doesn't succeed in a reasonable amount of time,
+        // fallback to plaint <script> tag.
+        setTimeout(() => {
+          if (!scriptLoaded) {
+            console.warn(
+              'Failed to load app from a service worker. Falling back to plain <script> tag.',
+            );
             loadMainDartJs();
           }
-        });
-
-      // If service worker doesn't succeed in a reasonable amount of time,
-      // fallback to plaint <script> tag.
-      setTimeout(() => {
-        if (!scriptLoaded) {
-          console.warn(
-            'Failed to load app from a service worker. Falling back to plain <script> tag.',
-          );
-          loadMainDartJs();
-        }
-      }, 4000);
-      var finishLoad = new Date();
-      var loadTime = (finishLoad.getTime() - startLoad.getTime());
-      console.log("Load Time: " + loadTime);
-    });
+        }, 4000);
+        var finishLoad = new Date();
+        var loadTime = (finishLoad.getTime() - startLoad.getTime());
+        console.log("Load Time: " + loadTime);
+      });
 
 
 
-    if (navigator.serviceWorker.state == 'activated') {
-      console.log('Installed new service worker.');
-      loadMainDartJs();
-      // if there's an existing controller (previous Service Worker), show the prompt 
-      // you can tweak this and delay the notification once the page is load you can show a notification and ask for a new refresh
-      if (navigator.serviceWorker.controller) {
-        // you have a better UI here, reloading is not a great user experince here.
-        const confirmed = alert('New version of the app is available. Refresh now');
-        if (confirmed == true) {
-          window.location.reload();
+      if (navigator.serviceWorker.state == 'activated') {
+        console.log('Installed new service worker.');
+        loadMainDartJs();
+        // if there's an existing controller (previous Service Worker), show the prompt 
+        // you can tweak this and delay the notification once the page is load you can show a notification and ask for a new refresh
+        if (navigator.serviceWorker.controller) {
+          // you have a better UI here, reloading is not a great user experince here.
+          const confirmed = alert('New version of the app is available. Refresh now');
+          if (confirmed == true) {
+            window.location.reload();
+          }
         }
       }
+
+    }
+    else {
+      // Service workers not supported. Just drop the <script> tag.
+      console.log('Service Not Supported.');
+      loadMainDartJs();
     }
 
-  }
-  else {
-    // Service workers not supported. Just drop the <script> tag.
-    console.log('Service Not Supported.');
-    loadMainDartJs();
-  }
-
-</script>
+  </script>
 
 </body>
 <!-- File Picker & PDF viewer -->
-<script id="pdfjs-lib" src="//cdnjs.cloudflare.com/ajax/libs/pdf.js/2.11.338/pdf.min.js" defer></script>
+<script id="pdfjs-lib" src="//cdnjs.cloudflare.com/ajax/libs/pdf.js/3.2.146/pdf.min.js" defer></script>
 <script id="pdfjs-worker" type="text/javascript"
-  src="//cdnjs.cloudflare.com/ajax/libs/pdf.js/2.11.338/pdf.worker.min.js" defer></script>
+  src="//cdnjs.cloudflare.com/ajax/libs/pdf.js/3.2.146/pdf.worker.min.js" defer></script> 
 <!--------------------->
 
 </html>
\ No newline at end of file