public void PrintButton(MagazineResourcesManager mrm)
	{
		var url = mrm.ReturnPDFUrl ();
		if (url.Equals (""))
			Debug.Log ("No se ha especificado la URL del pdf a imprimir");
		else
		   Application.OpenURL(url);	//URL DEL VIDEO
	}
	public void ToggleVideoPages(MagazineResourcesManager mrm)
	{
		int children = thumb.gameObject.transform.childCount;


		List<GameObject> videopages = mrm.ReturnVideoPages ();
		if (!_onlyvid) {
			//Desactivamos todos
			for (int i = 0; i < children; i++)
			{
				thumb.gameObject.transform.GetChild(i).gameObject.SetActive(false);
			}
			//Activamos los que tengamos el indice
			for(int vid = 0; vid < videopages.Count; vid++)
			{
				int index = int.Parse(videopages[vid].name.Substring(4));
				thumb.gameObject.transform.GetChild(index).gameObject.SetActive(true);

			}


			_onlyvid = true;
			videoImg.color = _on;
			// Mostrar solo las paginas con videos

		} else {
			for (int i = 0; i < children; i++)
			{
				thumb.gameObject.transform.GetChild(i).gameObject.SetActive(true);
			}
			_onlyvid = false;
			videoImg.color = _off;

			//Mostrar todas las paginas

		}
	}