Organ donation

Hello, I have a few questions on organ donation. I need these questions answered by Monday Nov. 9/09.
1. Waht are the Jewish views on organ doantion? positive. it is a mitzvah
2.If someone were to come to you, asking if they were able to donate what would you say? yes
3.Are there any circumstances where organ donation would not be allowed? If so what are they? no, unless the donor was still alive. can't kill someone to get an organ.
4.Do you believe that it should be up to the next of kin to decide whether or not ones organs should be donated ? First up to the donor, if he can't, then yes.

Thank you very much for your help. I really appreciate it.