Address book import from yahoo, hotmail, gmail etc

anybody got a script where you import all the contacts from hotmail, yahoo etc and sites .... just like hi5 referral system



where a user enters his username and password and he selects where the email would goto and then the server sends them an invitation email.

im also looking for something like this.

It seems to be the only kinda scripts on the internet that have not been released to the good community.

anyone got one like hi5