Itween change paths at runtime?

Hello i am using itween plugin and also using itween path i have made 2 paths side by side how can i ride once path and then change to the other path but start where i left the other path? Is this possible is there any other way of doing this?
here is my code to ride the path:

using UnityEngine;
using System.Collections;

public class follow : MonoBehaviour {

	// Use this for initialization
	void Start () {
	iTween.MoveTo(gameObject, iTween.Hash("path", iTweenPath.GetPath("1"), "time", 5, "easetype", iTween.EaseType.easeInOutSine));

You can use iTween.PutOnPath() or iTween.PointOnPath() and manage the fraction value yourself using Mathf.Lerp() or something similar. Here is a answer with a script for someone who was trying to do something very similar: