Here is a collection of online wellness resources:

Workplace Wellness Pathfinder

MedlinePlus Health Check Tools

Wellness Councils of America

State Employee Wellness Initiatives (pdf)

Times Online's "Get Fit at Your Desk" Video Series

Drug-Free Workplace Kit

Mayo Clinic Health Tools

Office Stretches from the Mayo Clinic

DOHS Ergonomics

American Council on Exercise Health and Fitness Tips