Have you read through the stickies at the top of the forum?
This one should cover the basics
Basic Bodybuilding Information - gettin' started
There are tons of websites out there as well as quite a few good books. Body for Life is pretty good and the recent "New Rules of Lifting for Women" is pretty popular around here.
My generic advice for someone who has never used weights before is to get at least one session with a personal trainer. You can work on form yourself but it is helpful to have someone guide you who has been working with weights.