I really wish people would read
this before posting... It's there for a reason. Not to single you out Carlos, but there have been many posts like yours that could have been answered by exploring the links there. And yes, the aforementioned posts are correct.
# 406.1 - A mana ability is either (a) an activated ability that could put mana into a player's mana pool when it resolves or (b) a triggered ability that triggers from a mana ability and could produce additional mana. A mana ability can generate other effects at the same time it produces mana. [CompRules 2003/07/01]
# 406.4 - A mana ability can be activated or triggered. Mana abilities are played and resolved like other abilities, but they don't go on the stack, so they can't be countered or responded to. See Rule 411, "Playing Mana Abilities," and Rule 408.2, "Actions That Don't Use the Stack." [CompRules 2003/07/01]