function toggleItemInfo(id_item, id_list) {
	var item = $(id_item);
	var current = item.style.display;
	var cat = $(id_list);
	
	
	if(current == 'none') {
		new Effect.BlindDown(id_item);		
		cat.addClassName('open');
	}	
	else {
		new Effect.BlindUp(id_item);
		cat.removeClassName('open')
	}
	return true;
}