This article from Bankrate.com provides 6 ways to sabotage your career. In this economy, here are the things to avoid. The list includes:

• Bash your employer in public.
• Mix pleasure with business.
• Fudge the truth.
• Be real regardless of the culture.
• Just say no to new opportunities.
• React poorly to stress or fear.

The article provides lots of detail on each of these. An interesting read.