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public override void ShowResponses (Subtitle subtitle, Response[] responses, float timeout) {
			base.ShowResponses(subtitle, responses, timeout);
			SetButtonsNav();
			if (autoFocus) dialogue.responseMenu.AutoFocus(); 
		}
		void SetButtonsNav()
		{
			List<GameObject> buttons = dialogue.responseMenu.instantiatedButtons;
			Debug.Log (buttons.Count);
			int totals = buttons.Count;
			for(int i = 0; i < totals; i++)
			{
				Navigation current = buttons[i].GetComponent<Button>().navigation;
				current.selectOnUp = (i == 0)? buttons[totals-1].GetComponent<Button>(): buttons[i-1].GetComponent<Button>();
				current.selectOnDown = (i == totals)? buttons[0].GetComponent<Button>(): buttons[i+1].GetComponent<Button>();
			}
		}