Well since you've already gotten pretty far along, there's no reason to go back and get your map centered at (0, 0) - just go with the (-70, 125). Use a getBounds() to find the extent of your map.
http://code.google.com/apis/maps/documentation/javascript/reference.html#Map -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-maps-js-api-v3/-/EQsmMU36RcgJ. To post to this group, send email to google-maps-js-api-v3@googlegroups.com. To unsubscribe from this group, send email to google-maps-js-api-v3+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-maps-js-api-v3?hl=en.