how to edit password of users

Hi, I am admin of my wiki, recently installed, I want to know how can I update password of some user already existing In case if someone has forgot his password. And also want to know How can the user himself change his password. Early reply is very much appreciated! cheers anurag chitlangia The only thing I like about the stones that come in my way is, Once I pass across them, they automatically become my Milestones. .- -. ..- .-. .- --. This message and the information contained herein is proprietary and confidential and subject to the Amdocs policy statement, you may review at http://www.amdocs.com/email_disclaimer.asp