rearrange loading structure to account for ve libraries not being loaded and for the mozilla match bug

git-svn-id: http://svn.openlayers.org/trunk/openlayers@954 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/VirtualEarth.js

@@ -75,7 +75,23 @@ OpenLayers.Layer.VirtualEarth.prototype =
 
             // create VEMap, hide nav controls
             this.vemap = new VEMap(this.name);
-            this.vemap.LoadMap();
+        } catch (e) {
+            // do nothing this is to keep from crashing
+            // if the VE library was not loaded. 
+        }
+
+        
+        if (this.vemap == null) {
+            this.loadWarningMessage();
+        } else {
+
+
+            try {
+                this.vemap.LoadMap();
+            } catch (e) {
+                // this is to catch a Mozilla bug without falling apart
+            }
+
             this.vemap.HideDashboard();
     
             // catch pans and zooms from VE Map
@@ -83,8 +99,6 @@ OpenLayers.Layer.VirtualEarth.prototype =
                                    this.catchPanZoom.bindAsEventListener(this)); 
             this.vemap.AttachEvent("onendzoom", 
                                    this.catchPanZoom.bindAsEventListener(this)); 
-        } catch (e) {
-            this.loadWarningMessage();
         }
  
     },
@@ -143,6 +157,7 @@ OpenLayers.Layer.VirtualEarth.prototype =
      * @param {event} e
      */
     catchPanZoom: function(e) { 
+        
         var veCenter = this.vemap.GetCenter();
         var veZoom = this.vemap.GetZoomLevel();