the observance of halloween,which dates back to celtic rituals thousands of years ago,has long been associated with images of witches,ghosts,devils and hobgoblins. over the years,halloween customs and rituals have changed dramatically. today,many of the young and youg at haert take a more ligt-spirited approach. theydon scary disguises or onse that may dring on smiles when the go door to door for treats,or attend or host a halloween party