meet diagnostic and statistical manual of the american psychiatric association - 4th edition (dsm-iv) criteria for major depressive disorder,

internet access + printer access,

australian resident,

fluent in written and spoken english.

current substance abuse/dependence,

psychotic mental illness (bipolar or schizophrenia),

current or planned psychological treatment during study duration,

change in medication during last 1 month or intended change during study duration,

use of benzodiazepines,

suicidal.