How to use single Sign-On in deferent sites developed using deferent platform. How to configure this single sign on in MOSS 2007

Can we use single sign on virtual PC

I have developed one JSP application. We need to collaborate that JSP application in MOSS 2007 by using concept of Single Sign-On

Can any one provide information regarding this Issue.

Can u provide documentation related to this Issue.

Can any one provide sample code related to this Issue.

Please advice me asap.

Best Regards