It is easy Passing Credentials To Imanager as an Example
https://imanager.yourdomain.com:8443/nps/servlet/portal?render=on&username=admin.novell.com&tree=192.168.1.88&password=password
We have used this on several sites where the passing was done from a WEB SSO application.
This allowed use to Passing Credentials To Imanager and the people using Imanager never knew of the password.