always start the map extent on the right of the dateline

lib/OpenLayers/Map.js

@@ -1941,6 +1941,17 @@ OpenLayers.Map = OpenLayers.Class({
         if (lonlat != null) {
             var maxExtent = this.getMaxExtent();
             valid = maxExtent.containsLonLat(lonlat);
+            if (!valid && this.baseLayer.wrapDateLine) {
+                lonlat = lonlat.clone();
+                var worldWidth = maxExtent.getWidth();
+                while(lonlat.lon > maxExtent.right) {
+                    lonlat.lon -= worldWidth;
+                    valid = maxExtent.containsLonLat(lonlat);
+                    if (valid) {
+                        break;
+                    }
+                }
+            }
         }
         return valid;
     },
@@ -2254,12 +2265,9 @@ OpenLayers.Map = OpenLayers.Class({
             }
             //if the bounds was straddling (see above), then the center point 
             // we got from it was wrong. So we take our new bounds and ask it
-            // for the center. Because our new bounds is at least partially 
+            // for the center.
-            // outside the bounds of maxExtent, the new calculated center 
-            // might also be. We don't want to pass a bad center value to 
-            // setCenter, so we have it wrap itself across the date line.
             //
-            center = bounds.getCenterLonLat().wrapDateLine(maxExtent);
+            center = bounds.getCenterLonLat();
         }
         this.setCenter(center, this.getZoomForExtent(bounds, closest));
     },