function switchTab(list_1,menu_1,list_2,menu_2,list_3) {

	var listStyle_1=document.getElementById(list_1).style;
	var listStyle_2=document.getElementById(list_2).style;
	var listStyle_3=document.getElementById(list_3).style;
	var menuStyle_1=document.getElementById(menu_1);
	var menuStyle_2=document.getElementById(menu_2);
	
	listStyle_1.display="block";
	listStyle_2.display="none";
	listStyle_3.display="none";
	menuStyle_1.setAttribute((document.all ? 'className' : 'class'),'activo');
	menuStyle_2.setAttribute((document.all ? 'className' : 'class'),'inactivo');
	
}

function switchSubMenu(list_1,list_2,list_3) {

	var listStyle_1=document.getElementById(list_1).style;
	var listStyle_2=document.getElementById(list_2).style;
	var listStyle_3=document.getElementById(list_3).style;
	
	listStyle_1.display="block";
	listStyle_2.display="none";
	listStyle_3.display="none";
}