Pullup commits from trunk to 2.6 branch:

* virtualStyle typo (Closes #1495)
 * JSON fix for Safari 3.1 (Closes #1493)
 * panzoombar off-by-one (Closes #1486)
 * Handler Hover exception (Closes #1480)
 * Popup.framedcloud exception (Closes #1479)
 * VML Renderer when including namespace in page (Closes #1477)
 * SLD/Rule/Filter changes -- most of this commit (Closes #1492)


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.6@6819 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

examples/spherical-mercator.html

@@ -121,7 +121,7 @@
             map.addControl(new OpenLayers.Control.EditingToolbar(vector));
             map.addControl(new OpenLayers.Control.Permalink());
             map.addControl(new OpenLayers.Control.MousePosition());
-            map.zoomToMaxExtent()
+            if (!map.getCenter()) {map.zoomToMaxExtent()}
         }
 
         function osm_getTileURL(bounds) {