QBDDT/Assets/BtnScript.cs

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
public class BtnScript : MonoBehaviour {
	public Button OkBtn;
	public Image img;
	public Text text;
	// Use this for initialization
	void Start () {

		OkBtn.onClick.AddListener (() => {
			Invoke("Onclick",5f);
			text.text = " ";
			img.color = new Color(255f,255f,255f,255f);
		});
	}
	
	// Update is called once per frame
	void Update () {
	
	}

	void Onclick(){
		Application.LoadLevel ("Scene/Main");

	}
}