--- a/static/tiles2.js	Wed Jan 06 16:41:26 2010 +0200
+++ b/static/tiles2.js	Wed Jan 06 16:45:33 2010 +0200
@@ -87,7 +87,11 @@
             if (pt.length) z = parseInt(pt.shift());
 
             // initial view
-            this.zoom_center_to(cx, cy, z);
+            this.zoom_scaled(
+                cx - this.center_offset_x, 
+                cy - this.center_offset_y, 
+                z
+            );
 
         } else {
             // this sets the scroll offsets, zoom level, and loads the tiles