[OpenLayers-Users] pink tiles?

[Imran Rajjad]

Hi list,

I`m new to open layers. I`m using Geoserver 1.7.7 in Weblogic 10.3 on
Solaris Sparc V9. Im trying to load a basemap and an overlay, but I
get pink tiles. I followed the instructions at
http://trac.openlayers.org/wiki/TroubleshootingTips . I tried the url
of a single tile and I`m getting the image seperately. However there
are only pink tiles in OpenLayers. My code is as below

  map = new OpenLayers.Map('map', { // initializing map div
                    controls: [ // adding controls
                        new OpenLayers.Control.Navigation(), //buttoms
                        new OpenLayers.Control.PanZoomBar(),//bar
                        new OpenLayers.Control.ScaleLine(),
                        new OpenLayers.Control.MousePosition(), //
mouse position will be displayed
                        new OpenLayers.Control.KeyboardDefaults() //
keyboard pan
                    ],
                    numZoomLevels: 20

                });




            var pakter_wms = new OpenLayers.Layer.WMS(
                "Pakistan Terrain",
                "http://http://10.0.80.41:7004/geoserver/wms",
                {layers: 'topp:pak-terain',
                	format: "image/gif"}
            );

            var admin_wms = new OpenLayers.Layer.WMS(
                "General Layers",
                "http://http://10.0.80.41:7004/geoserver/wms",
                {layers:
"topp:province,topp:district,topp:tehsil,topp:pakistan_highway,topp:urban,topp:Rural,topp:isb123,topp:parceldata,topp:pakistan_poi",
                	format: "image/gif"}
            );

            var network_wms = new OpenLayers.Layer.WMS(
                "Network Data",
                "http://http://10.0.80.41:7004/geoserver/wms",
                {
                    layers: "topp:networkcoverage",
                    transparent: "true",
                    format: "image/gif"
                },
                {isBaseLayer: false, visibility: false} // will be
treated as overlay because it is not baselayer
            );




            map.addLayers([pakter_wms, admin_wms, network_wms]);
            map.addControl(new OpenLayers.Control.LayerSwitcher());
            map.zoomToMaxExtent();


what am i doing wrong here

thanks

-- 
I.R