Here are some helpful threads and articles in Pool School about how to open and close your pool.
Pool School - Closing (Winterizing) Your Above Ground Pool
Pool School - Closing an In Ground Pool
Pool School - Opening Your Winterized Above Ground Pool
Pool Openings
Pool School - Closing (Winterizing) Your Above Ground Pool
Pool School - Closing an In Ground Pool
Pool School - Opening Your Winterized Above Ground Pool
Pool Openings