Is it Bipolar, BPD or ADHD?
http://www.biologicalunhappiness.com/BP-Bi-AD.htm

Diagnosing Bipolar VS. ADHD
http://www.adhdnews.com/bipolar.htm

ADHD and Bipolar Disorder
http://add.about.com/od/comorbidconditions/a/adhdbipolar.htm

McMan's Depression and Bipolar Web
http://www.mcmanweb.com/

Could It Be Bipolar - Seroquel
http://www.coulditbebipolar.com/mini_c/CouldItBeBipolar/mdq/takeMood.asp

Links page for research:
http://www.psycom.net/depression.central.bipolar.html

Chart your mood swings:
http://www.lamictal.com/bipolar/patients/mood_chart.html

Learn the terms:
http://www.lamictal.com/bipolar/patients/bipolar_disorder_glossary.html