function iniciar(numSeccion) {
    var myAccordion = new Accordion($('accordion'), '.conApartados h2', '.zonaApartados', {
		opacity: false,
		alwaysHide: true,
		show:numSeccion,
		onActive: function(toggler, element){
			toggler.setStyle('background-position', '0px -200px')
		},
		onBackground: function(toggler, element){
			toggler.setStyle('background-position', '0px 0px')
		}
	});    
}