Term for pleasure or joy obtained on top of others' misery or unhappiness [duplicate]

Possible Duplicate:
An idiom for deriving pleasure from another's suffering

We often experience the following:

We feel happy when our fellow classmates get a bad grade and not necessarily when we ourselves get a good grade.

We feel excited when our opposing team plays really awful and not necessarily when we our team plays well.

We feel pleased when one person we hate experiences some kind of misfortune and not necessarily when we ourselves get good luck.

What is a word or phrase to describe the phenomenon above?

I am thinking of the word schadenfreude, which in fact is German but that is used in English as well.
Possible suggested replacements are gloating and slang lulz.

Sadism is enjoyment from watching another suffer.

Epicaricacy is joy at the pain of another.