Thanks for any sensible offers of help.
uglyb0b: Download from here
Just enter the details in the drop down boxes. The New Zealand one is 2degrees (nzc)
Just out of interest, why do you think rooting it is draining the battery? Having root access does not do anything to the battery life, its most likely an app that is repeatedly asking for root privileges (this is assuming it has only happened after you rooted it). Have you installed any new apps recently? Or have any apps that offer additional functions for root users?