Start the week slowly, even though the pace of change is rapid. Your first inclination will be to help people adjust, but make sure to focus on your own tasks first. Midweek you'll know exactly what needs to happen, even if most of your coworkers are deeply confused. Spread the word -- people will listen to you, and you'll attract some positive attention from above. Friday might be a little confusing for you, so try to take your time with communication so you say exactly what you mean to. Things will get better by Sunday at the latest.