document.documentElement.id = 'js';

$(
	function(){
		var navigation_items = $('#main_navigation > li');

		  $(".sldown").show();

		navigation_items.find('>a').click(
			function(evt){
				var element = $(this).parent();

                $(".sldown").slideUp(300);
                $(".sldown").removeClass('sldown');

				element.toggleClass('expanded');

				if(!element.hasClass('expanded')){
					element.find('>ul').slideUp(300);
				} else {
					element.find('>ul').slideDown(500);
					navigation_items.not(element).filter('.expanded').find('>a').click();
				}

				return false;
			}
		);


		var events = $('.main_event .event'),
			current_event = 0;

		var timer_event = null;
		var timer_delay = 5000; // Интервал между слайдами (5000 = 5 секунд)

		var slide_show_event = function(){

			events.eq(current_event).fadeOut(600,
				function(){
					if(current_event == events.length - 1){
						current_event = 0;
					} else {
						current_event++;
					}

					$(this).addClass('hidden-event');

					events.eq(current_event).fadeIn(600
					).removeClass('hidden-event');
				}
			);

		};

		if(events.length > 1){
			timer_event = setInterval(slide_show_event, timer_delay);
			$('.main_event').hover(function() {
				clearInterval(timer_event);
			}, function() {
				timer_event = setInterval(slide_show_event, timer_delay);
			});
		}

	}
);