Fixing image-layer example

examples/image-layer.html

@@ -19,14 +19,12 @@
         function init(){
             map = new OpenLayers.Map('map');
 
-            var options = {numZoomLevels: 3};
-
             var graphic = new OpenLayers.Layer.Image(
                 'City Lights',
-                'http://earthtrends.wri.org/images/maps/4_m_citylights_lg.gif',
+                'data/4_m_citylights_lg.gif',
                 new OpenLayers.Bounds(-180, -88.759, 180, 88.759),
                 new OpenLayers.Size(580, 288),
-                options
+                {numZoomLevels: 3}
             );
             
             graphic.events.on({
@@ -38,9 +36,12 @@
                 }
             });
 
-            var jpl_wms = new OpenLayers.Layer.WMS( "NASA Global Mosaic",
-                "http://t1.hypercube.telascience.org/cgi-bin/landsat7", 
-                {layers: "landsat7"}, options);
+            var jpl_wms = new OpenLayers.Layer.WMS(
+                "Global Imagery",
+                "http://demo.opengeo.org/geoserver/wms",
+                {layers: "bluemarble"},
+                {maxExtent: [-160, -88.759, 160, 88.759], numZoomLevels: 3}
+            );
 
             map.addLayers([graphic, jpl_wms]);
             map.addControl(new OpenLayers.Control.LayerSwitcher());