IEnumerator ChangeImage()
    {
        string mCode = readFile.getMeetingCode();

        string url = "http://" + readFile.GetFileServerIdentifier() + ":" + readFile.GetFileServerPort() + "/" + mCode + "/" + currentSlideNumber + ".jpg";

        using (WWW www = new WWW(url))
        {
            yield return(www);

            if (!string.IsNullOrEmpty(www.error))
            {
                //End of the slides must've been reached
                if (www.error.Contains("404"))
                {
                    SetMaxSlideNumber(currentSlideNumber);
                    FixSlideNumber();
                }
            }
            else
            {
                pBoard.GetComponent <Renderer>().material.mainTexture = www.texture;
            }
        }
    }