The InvI class is used for inventory items.
Prints the inventory item's name and view in a dialog window. If the description property is set, it displays that as well.
Returns TRUE is the user's input "Said" the name of the inventory item. Otherwise, FALSE.
Returns TRUE if the inventory item is owned by anObject. Otherwise, FALSE.
Sets the inventory item's owner to newOwner and returns a pointer to itself.
If the script property is set, it changes the script's state to newState.