Node = {"item": null, "next": null}
Node.init = function(item)
	node = new Node
	node.item = item
	return node
end function

LinkedList = {"head": null, "tail": null}
LinkedList.append = function(item)
	newNode = Node.init(item)
	if self.head == null then
		self.head = newNode
		self.tail = self.head
	else
		self.tail.next = newNode
		self.tail = self.tail.next
	end if
end function

LinkedList.insert = function(aftItem, item)
	newNode = Node.init(item)
	cursor = self.head
	while cursor.item != aftItem
		print cursor.item
		cursor = cursor.next
	end while
	newNode.next = cursor.next
	cursor.next = newNode
end function

LinkedList.traverse = function
	cursor = self.head
	while cursor != null
		// do stuff
		print cursor.item
		cursor = cursor.next
	end while
end function

test = new LinkedList
test.append("A")
test.append("B")
test.insert("A","C")

test.traverse