private void setSelectedIndex(JComboBox cb, int iSelected, boolean execute) {
		if (execute) {
			cb.setSelectedIndex(iSelected);
		}
		else {
			ActionListener[] al = cb.getActionListeners();
			if (al != null)
				for (ActionListener x : al)
					cb.removeActionListener(x);
			ItemListener[] il = cb.getItemListeners();
			if (il != null)
				for (ItemListener x : il)
					cb.removeItemListener(x);
			cb.setSelectedIndex(iSelected);
			if (al != null)
				for (ActionListener x : al)
					cb.addActionListener(x);
			if (il != null)
				for (ItemListener x : il)
					cb.addItemListener(x);
		}
	}