Facebook Connection Problem

[eluser]Bigil Michael[/eluser]
I want to do login with facebook account.
I have implemented this property by using this thread

Code:

Array ( [id] => 100001923642513 [name] => Bigil Michael [first_name] => Bigil [last_name] => Michael [link] =>...........)

But i want the email to complete the insertion/updation of database.
anybody know why email is not printing???????
help please......