Description:
Executes a sprite event.
Parameters:
MovieControllerID:
Target movieControllerID.
TrackIdentifier:
Sprite track index or name.
SpriteID:
ID of sprite that has the event (this should be modified to accept a name as well).
EventType:
(mouseUp, mouseDown, mouseClick, mouseEnter, mouseExit, mouseMoved, CustomEventID)
Return:
empty or error