talk, auto, collide, gridCollide, gridLeave

talk
	Script runs when the player stands in front of the sprite and "talks".

auto
	Script begins immediately.

collide
	Script runs when the player either bumps into this sprite,
	or when the player steps on top of this sprite  (sprite.noCollide = true)

gridCollide
	Script runs when the player steps onto it.  (not continuous)

gridLeave
	Script runs when the player steps off of it.  (not continuous)

