diff --git a/src/viewport.js b/src/viewport.js
index 916c05f5..31f658a4 100644
--- a/src/viewport.js
+++ b/src/viewport.js
@@ -676,7 +676,7 @@ $.Viewport.prototype = {
 
 
     /**
-     * Convert a delta (translation vector) from image pixels coordinates to viewport coordinates
+     * Convert a delta (translation vector) from pixels coordinates to viewport coordinates
      * @function
      * @param {Boolean} current - Pass true for the current location; defaults to false (target location).
      */
@@ -687,7 +687,7 @@ $.Viewport.prototype = {
     },
 
     /**
-     * Convert a delta (translation vector) from viewport coordinates to image pixels coordinates.
+     * Convert a delta (translation vector) from viewport coordinates to pixels coordinates.
      * @function
      * @param {Boolean} current - Pass true for the current location; defaults to false (target location).
      */
@@ -836,7 +836,7 @@ $.Viewport.prototype = {
     },
 
     /**
-     * Convert a pixel coordinates relative to the viewer element to image
+     * Convert pixel coordinates relative to the viewer element to image
      * coordinates.
      * @param {OpenSeadragon.Point} pixel
      * @returns {OpenSeadragon.Point}
@@ -847,7 +847,7 @@ $.Viewport.prototype = {
     },
 
     /**
-     * Convert a pixel coordinates relative to the image to
+     * Convert pixel coordinates relative to the image to
      * viewer element coordinates.
      * @param {OpenSeadragon.Point} point
      * @returns {OpenSeadragon.Point}
@@ -858,7 +858,7 @@ $.Viewport.prototype = {
     },
 
     /**
-     * Convert a pixel coordinates relative to the window to image coordinates.
+     * Convert pixel coordinates relative to the window to image coordinates.
      * @param {OpenSeadragon.Point} pixel
      * @returns {OpenSeadragon.Point}
      */
@@ -869,7 +869,7 @@ $.Viewport.prototype = {
     },
 
     /**
-     * Convert an image coordinates to pixel coordinates relative to the window.
+     * Convert image coordinates to pixel coordinates relative to the window.
      * @param {OpenSeadragon.Point} pixel
      * @returns {OpenSeadragon.Point}
      */
@@ -880,7 +880,7 @@ $.Viewport.prototype = {
     },
 
     /**
-     * Convert a pixel coordinates relative to the viewer element to viewport
+     * Convert pixel coordinates relative to the viewer element to viewport
      * coordinates.
      * @param {OpenSeadragon.Point} pixel
      * @returns {OpenSeadragon.Point}
@@ -890,7 +890,7 @@ $.Viewport.prototype = {
     },
 
     /**
-     * Convert viewport coordinates to a pixel coordinates relative to the
+     * Convert viewport coordinates to pixel coordinates relative to the
      * viewer element.
      * @param {OpenSeadragon.Point} point
      * @returns {OpenSeadragon.Point}
@@ -900,7 +900,7 @@ $.Viewport.prototype = {
     },
 
     /**
-     * Convert a pixel coordinates relative to the window to viewport coordinates.
+     * Convert pixel coordinates relative to the window to viewport coordinates.
      * @param {OpenSeadragon.Point} pixel
      * @returns {OpenSeadragon.Point}
      */
@@ -911,7 +911,7 @@ $.Viewport.prototype = {
     },
 
     /**
-     * Convert viewport coordinates to a pixel coordinates relative to the window.
+     * Convert viewport coordinates to pixel coordinates relative to the window.
      * @param {OpenSeadragon.Point} point
      * @returns {OpenSeadragon.Point}
      */
diff --git a/test/demo/basic.html b/test/demo/basic.html
index be8cbb4c..19572b86 100644
--- a/test/demo/basic.html
+++ b/test/demo/basic.html
@@ -18,24 +18,6 @@
         Simple demo page to show a default OpenSeadragon viewer.
     </div>
     <div id="contentDiv" class="openseadragon1"></div>
-    <div>
-        <table border="1">
-            <tr>
-                <th></th>
-                <th>Window (pixel)</th>
-                <th>Container (pixel)</th>
-                <th>Image (pixel)</th>
-                <th>Viewport (point)</th>
-            </tr>
-            <tr>
-                <th>Cursor position</th>
-                <td id="windowPosition"></td>
-                <td id="containerPosition"></td>
-                <td id="imagePosition"></td>
-                <td id="viewportPosition"></td>
-            <tr>
-        </table>
-    </div>
     <script type="text/javascript">
 
         var viewer = OpenSeadragon({
@@ -46,32 +28,6 @@
             showNavigator:true
         });
 
-        function pointToString(point) {
-            return point.x.toPrecision(4) + "," + point.y.toPrecision(4);
-        }
-
-        var onMouseTrackerMove = function(eventSender, eventData) {
-            var viewerX = eventData.position.x;
-            var viewerY = eventData.position.y;
-            var windowPoint = new OpenSeadragon.Point(viewerX, viewerY);
-            $("#windowPosition").text( pointToString(windowPoint));
-
-            var containerPoint = windowPoint.minus(
-                    OpenSeadragon.getElementPosition(viewer.element));
-            $("#containerPosition").text( pointToString(containerPoint));
-
-            var imagePoint = viewer.viewport.windowToImageCoordinates(windowPoint);
-            $("#imagePosition").text( pointToString(imagePoint));
-
-            var viewportPoint = viewer.viewport.windowToViewportCoordinates(windowPoint);
-            $("#viewportPosition").text( pointToString(viewportPoint));
-        };
-
-        mouseTracker = new OpenSeadragon.MouseTracker({
-            element: document,
-            moveHandler: onMouseTrackerMove
-        }).setTracking(true);
-
     </script>
 </body>
 </html>
diff --git a/test/demo/coordinates.html b/test/demo/coordinates.html
new file mode 100644
index 00000000..be8cbb4c
--- /dev/null
+++ b/test/demo/coordinates.html
@@ -0,0 +1,77 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>OpenSeadragon Basic Demo</title>
+    <script type="text/javascript" src='../../build/openseadragon/openseadragon.js'></script>
+    <script type="text/javascript" src='../lib/jquery-1.9.1.min.js'></script>
+    <style type="text/css">
+
+      .openseadragon1 {
+          width: 800px;
+          height: 600px;
+      }
+
+    </style>
+</head>
+<body>
+    <div>
+        Simple demo page to show a default OpenSeadragon viewer.
+    </div>
+    <div id="contentDiv" class="openseadragon1"></div>
+    <div>
+        <table border="1">
+            <tr>
+                <th></th>
+                <th>Window (pixel)</th>
+                <th>Container (pixel)</th>
+                <th>Image (pixel)</th>
+                <th>Viewport (point)</th>
+            </tr>
+            <tr>
+                <th>Cursor position</th>
+                <td id="windowPosition"></td>
+                <td id="containerPosition"></td>
+                <td id="imagePosition"></td>
+                <td id="viewportPosition"></td>
+            <tr>
+        </table>
+    </div>
+    <script type="text/javascript">
+
+        var viewer = OpenSeadragon({
+            // debugMode: true,
+            id: "contentDiv",
+            prefixUrl: "../../build/openseadragon/images/",
+            tileSources: "../data/testpattern.dzi",
+            showNavigator:true
+        });
+
+        function pointToString(point) {
+            return point.x.toPrecision(4) + "," + point.y.toPrecision(4);
+        }
+
+        var onMouseTrackerMove = function(eventSender, eventData) {
+            var viewerX = eventData.position.x;
+            var viewerY = eventData.position.y;
+            var windowPoint = new OpenSeadragon.Point(viewerX, viewerY);
+            $("#windowPosition").text( pointToString(windowPoint));
+
+            var containerPoint = windowPoint.minus(
+                    OpenSeadragon.getElementPosition(viewer.element));
+            $("#containerPosition").text( pointToString(containerPoint));
+
+            var imagePoint = viewer.viewport.windowToImageCoordinates(windowPoint);
+            $("#imagePosition").text( pointToString(imagePoint));
+
+            var viewportPoint = viewer.viewport.windowToViewportCoordinates(windowPoint);
+            $("#viewportPosition").text( pointToString(viewportPoint));
+        };
+
+        mouseTracker = new OpenSeadragon.MouseTracker({
+            element: document,
+            moveHandler: onMouseTrackerMove
+        }).setTracking(true);
+
+    </script>
+</body>
+</html>
diff --git a/test/test.css b/test/test.css
index a7693328..eb651b16 100644
--- a/test/test.css
+++ b/test/test.css
@@ -16,4 +16,4 @@
 #unitsexample {
     height: 500px;
     width: 500px;
-}
\ No newline at end of file
+}
diff --git a/test/units.js b/test/units.js
index eb2b70ac..1417b801 100644
--- a/test/units.js
+++ b/test/units.js
@@ -106,6 +106,7 @@
 
             viewer.addHandler('animationfinish', zoomHandler);
             viewport.zoomTo(2);
+            start();
         });
 
         viewer.open('/test/data/testpattern.dzi');