Exclusivo para las pestañas, cuando éstas cogen el foco.

	<group name="pestana1" id="1" onfocus="ExecuteNode(onfocus(1))" />
	<group name="pestana2" id="2" onfocus="ExecuteNode(onfocus(2))" />
	<group name="pestana3" id="3" onfocus="ExecuteNode(onfocus(3))" />