use a triac with arduino megs 2560

i have buy this triac nte5646 for use with pwm but and current 220V AC i don't have a electronic circuit for use this
you have a circuit for use this?
thank you

Well, I hit 'Playground' up there in the toolbar,
then I typed triac in the search block there,
resulting a list of related links, the first of which was --
http://playground.arduino.cc/Main/ACPhaseControl

Amazing