         var geoRSSLayer:GeoRSSLayer = new GeoRSSLayer(layerCreationProperties.url);
 
         geoRSSLayer.alpha = layerCreationProperties.alpha;
-        geoRSSLayer.copyright = layerCreationProperties.copyright;
         geoRSSLayer.id = layerCreationProperties.label;
         geoRSSLayer.name = layerCreationProperties.label;
         geoRSSLayer.disableClientCaching = layerCreationProperties.disableClientCaching;
         geoRSSLayer.showInLegend = layerCreationProperties.showInLegend;
         geoRSSLayer.visible = layerCreationProperties.visible;
 
+        if (layerCreationProperties.copyright != null)
+        {
+            geoRSSLayer.copyright = layerCreationProperties.copyright;
+        }
         if (layerCreationProperties.serviceURL)
         {
             geoRSSLayer.serviceURL = layerCreationProperties.serviceURL;

        dynLayer.useMapTime = layerCreationProperties.useMapTime;
        dynLayer.disableClientCaching = layerCreationProperties.disableClientCaching;

        if (layerCreationProperties.showInLegend
            && layerCreationProperties.showInLegendHiddenLayers)
        {

        imgLayer.useMapTime = layerCreationProperties.useMapTime;
        imgLayer.disableClientCaching = layerCreationProperties.disableClientCaching;
        imgLayer.showInLegend = layerCreationProperties.showInLegend;
        if (layerCreationProperties.copyright != null)
        {
            imgLayer.copyright = layerCreationProperties.copyright;
        }
        if (layerCreationProperties.imageFormat)
        {
            imgLayer.imageFormat = layerCreationProperties.imageFormat;
