window.addEvent('domready', function() {
	
	var myAccordion = new Accordion($('accordion'), 'div.plesy_item', 'div.plesy_popis', {
	  display: -1,
		opacity: true,
		alwaysHide: true,
		onActive: function(toggler, element){
			toggler.setStyle('color', 'white');
			toggler.setStyle('background', '#5b656c');
		},
		onBackground: function(toggler, element){
			toggler.setStyle('color', 'black');
			toggler.setStyle('background', 'none');
		}
	});
});