Update 404.html

Author: jywarren

404.html

@@ -24,7 +24,7 @@
     <script>
       if (window.location == "https://mapknitter.org/") {
         window.location = "https://publiclab.github.io/Leaflet.DistortableImage/examples/archive/";
-      } else if (window.location.split('/')[4] == "embed") {
+      } else if (window.location.href.split('/')[4] == "embed") {
         var path = "https://publiclab.github.io/Leaflet.DistortableImage/examples/archive?json=https://archive.org/download/mapknitter-wayback/" + document.location.href.split('.org/embed/')[1];
         window.location.replace("https://publiclab.github.io/Leaflet.DistortableImage/" + path);
       } else {