I'm with Florence on Al-Anon. BSA, check out ALL the electronic and telephonic Al-Anon meetings available on their website (open full document) here:
Electronic Meeting List
Check out the parent stories and audio here:
For Parents
Check out the podcasts here:
First Steps to Recovery
&
Using Al-Anon's Steps in Our Personal Lives
I agree 100% with Tuffgirl on not giving away your power and focusing on you. And I also love what dandylion said about letting go of the "second nature" parenting when they get to be 18 and suffer from alcoholism and addiction.
I wish you serenity!