relay diagram to make headlights blink

hey whats up everybody, i need some help on to make my headlight and tail lights blink constantly like the cop, ambulance, etc.. cars.  my friend had hes lights hooked up like that for show pursposes and i thought it looked pretty kool.  im worndering if anyone can help me get a diagrams like that.  My friend gave me a diagram but i lost it.  i apreciate any help. thank you.

Thanks alot man for the diagram i apreciate your help.  much helpful.

awesome im gonna wire up my brights like that now