private String selectedRadioButton(){
		JRadioButton selected=null;
		for (Enumeration<AbstractButton> buttons = choices.getElements(); buttons.hasMoreElements();){
			AbstractButton b = buttons.nextElement();
			if (!b.isEnabled())
				continue;
			if (b.isSelected() && selected==null){
				selected = (JRadioButton)b;
				selected.setEnabled(false);
			}
		}
		for (Enumeration<AbstractButton> buttons = choices.getElements(); buttons.hasMoreElements();){
			AbstractButton b = buttons.nextElement();
			if (!b.isEnabled())
				continue;
			b.setSelected(true);
			break;
		}
		
		
		
		return selected.getText();
	}