unity de html iframe

using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using UnityEngine.UI;
public class getweb : MonoBehaviour {

	

	public Button reklam;
	public Text reklamadresi;
	
	string url = "http://www.siteadresiniz.com/reklambanneri.jpg";
	
	IEnumerator Start() {
		WWW www = new WWW(url);
		yield return www;
		//	img.sprite = Sprite.Create(www.texture, new Rect(0, 0, www.texture.width, www.texture.height), new Vector2(0, 0));
		reklam.image.sprite = Sprite.Create(www.texture, new Rect(0, 0, www.texture.width, www.texture.height), new Vector2(0, 0));

	}





}

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
public class reklamurlac : MonoBehaviour
{
	public Text webyazi;
	// Use this for initialization
	void Start () {
		float t_n = Time.time;
		string txt = LoadTextData("http://www.siteadresiniz.com/reklamurl.txt");
		//txt içinde tıklayınca açılacak url girin
		//Debug.Log(txt);

		webyazi.text ="" + txt;

	}

	// Update is called once per frame
	void Update () {

	}
	public void reklamcalistir()
	{
		Application.OpenURL(""+webyazi.text);
	}
	public string LoadTextData(string url)

	{

		WWW www = new WWW(url);

		while (!www.isDone)

		{

			Debug.Log("Loading...");

		}
		return www.text;

	}
}