source from http://entrepreneurs.about.com

1. Don't Excel
If you excel at your job, you'll get noticed. Your co-workers will notice that you are doing well and start talking to the boss about it. They'll gang up on you to try and take you down. They'll look for some evidence which poses you in some negative light, and use it as an excuse to get rid of you. Any excuse works in this climate. So don't excel. Excellence makes you different, and "difference" is a negative. Don't be different.
2. Don't Do Poorly
Don't let yourself slack off in any way either. They will use any excuse in a change in your job habits in order to red circle your position. Don't give them any kind of excuse. However, make sure that you also always follow rule one: don't do any more or less that what is expected of you, if you do you'll stick out, and that's the last thing you need right now. Keep on steaming at that exact same clip; don't vary your speed in any way.