diff --git a/test/navigatordemo.html b/test/navigatordemo.html
index 7aa2e57b..33c28f9a 100644
--- a/test/navigatordemo.html
+++ b/test/navigatordemo.html
@@ -6,8 +6,8 @@
     <style type="text/css">
       .openseadragon1
       {
-      width:      800px;
-      height:     600px;
+      width:      300px;
+      height:     700px;
       border:     1px solid black;
       color:      #333; /* text color for messages */
       background-color: black;
@@ -69,13 +69,13 @@
         tileSources:{
              Image:{
                 xmlns:"http://schemas.microsoft.com/deepzoom/2008",
-                Url:"data/testpattern_files/",
+                Url:"data/wide_files/",
                 Format:"jpg",
                 Overlap:"2",
                 TileSize:"256",
                 Size:{  
-                    Height:"1000",
-                    Width:"1000"
+                    Height:"500",
+                    Width:"2000"
                 }
             }
         }
@@ -88,13 +88,13 @@
         tileSources:{
              Image:{
                 xmlns:"http://schemas.microsoft.com/deepzoom/2008",
-                Url:"data/testpattern_files/",
+                Url:"data/wide_files/",
                 Format:"jpg",
                 Overlap:"2",
                 TileSize:"256",
                 Size:{
-                    Height:"1000",
-                    Width:"1000"
+                    Height:"500",
+                    Width:"2000"
                 }
             }
         }
@@ -107,13 +107,13 @@
         tileSources:{
              Image:{
                 xmlns:"http://schemas.microsoft.com/deepzoom/2008",
-                Url:"data/testpattern_files/",
+                Url:"data/tall_files/",
                 Format:"jpg",
                 Overlap:"2",
                 TileSize:"256",
                 Size:{
-                    Height:"1000",
-                    Width:"1000"
+                    Height:"2000",
+                    Width:"500"
                 }
             }
         }