even if the wrong key is provided to gmaps, it still loads the GMap2 object. When you try to instantiate it, however, it errors. So we use a try statement and on error, we display the warning message. Nice

git-svn-id: http://svn.openlayers.org/trunk/openlayers@944 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/Google.js

@@ -134,18 +134,10 @@ OpenLayers.Layer.Google.prototype = Object.extend( new OpenLayers.Layer(), {
     loadGMap:function() {
         
         //has gmaps library has been loaded?
-        var gmapsLoaded = (typeof GMap2) != "undefined";
+        try {
-        if (!gmapsLoaded) {
-            this.loadWarningMessage();
-        } else {
-
             // create GMap, hide nav controls
             this.gmap = new GMap2(this.div);
         
-            if (this.gmap == null) {
-                this.loadWarningMessage();
-            } else {
-        
             // this causes the GMap to set itself to Map's center/zoom
             this.moveTo();
     
@@ -170,7 +162,8 @@ OpenLayers.Layer.Google.prototype = Object.extend( new OpenLayers.Layer(), {
             GEvent.addListener(this.gmap, 
                                "drag", 
                                this.catchPanZoom.bindAsEventListener(this)); 
-            }
+        } catch (e) {
+            this.loadWarningMessage();
         }
     },