Parse location hash to allow direct linking to profile visualizations

_layouts/default.html

@@ -59,7 +59,8 @@ <h2 class="project-tagline slide-in-left">{{ site.description | default: site.gi
         closeProfileViewer();
     }
     function openProfileViewer(event, relative_path) {
-      event.stopPropagation();
+      if (event)
+        event.stopPropagation();
       profileIframeContainer.classList.remove('fade-out');
       profileIframeContainer.classList.toggle('fade-in', true);
       profileIframe.setAttribute('src', relative_path);
@@ -73,6 +74,14 @@ <h2 class="project-tagline slide-in-left">{{ site.description | default: site.gi
     }
   </script>
 
+  <script type="text/javascript">
+    if (location.hash) {
+      const relative_path = location.hash.slice(1);
+      if (relative_path.match('^profiles\/\w+.html$'))
+        openProfileViewer(null, relative_path);
+    }
+  </script>
+
   <script type="text/javascript" src="js/lightbox.js"></script>
   <link rel="stylesheet" href="css/lightbox.css">
   {% if site.google_analytics %}