I found this here. It's very good, I think.
http://www.metanoia.org/suicide/Suicide is not chosen; it happens when pain exceeds resources for coping with pain.
MetanoiaYou can survive suicidal feelings if you do either of two things: (1) find a way to reduce your pain, or (2) find a way to increase your coping resources. Both are possible.
Send an anonymous e-mail to The Samaritans:
http://www.metanoia.org/suicide/samaritans.htmin the U.S. Call 1-800-SUICIDE
Teenagers, call Covenant House NineLine, 1-800-999-9999
Look in the front of your phone book for a crisis line
Call a psychotherapist
Carefully choose a friend or a minister or rabbi, someone who is likely to listen and call them.