+static int google_download ( MapCoord *src, const gchar *dest_fn );
+static int google_trans_download ( MapCoord *src, const gchar *dest_fn );
+static int google_kh_download ( MapCoord *src, const gchar *dest_fn );
+static void google_mapcoord_to_center_coord ( MapCoord *src, VikCoord *dest );
+static gboolean google_coord_to_mapcoord ( const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest );
+