jquery(document).ready(function($){
	var $lateral_menu_trigger = $('#cd-menu-trigger'),
		$content_wrapper = $('.cd-main-content'),
		$navigation = $('.menup');

	//open-close lateral menu clicking on the menu icon
	$lateral_menu_trigger.on('click', function(event){
		event.preventdefault();
		
		$lateral_menu_trigger.toggleclass('is-clicked');
		$navigation.toggleclass('lateral-menu-is-open');
		$content_wrapper.toggleclass('lateral-menu-is-open').one('webkittransitionend otransitionend otransitionend mstransitionend transitionend', function(){
			// firefox transitions break when parent overflow is changed, so we need to wait for the end of the trasition to give the body an overflow hidden
			$('body').toggleclass('overflow-hidden');
		});
		$('#cd-lateral-nav').toggleclass('lateral-menu-is-open');
		
		//check if transitions are not supported - i.e. in ie9
		if($('html').hasclass('no-csstransitions')) {
			$('body').toggleclass('overflow-hidden');
		}
	});

	//点击空白区域，关闭菜单close lateral menu clicking outside the menu itself
$content_wrapper.on('click', function(event){
		if( !$(event.target).is('#cd-menu-trigger, #cd-menu-trigger span, #menup.lateral-menu-is-open') ) {
			$lateral_menu_trigger.removeclass('is-clicked');
			$navigation.removeclass('lateral-menu-is-open');
			$content_wrapper.removeclass('lateral-menu-is-open')
			.one('webkittransitionend otransitionend otransitionend mstransitionend transitionend', function(){
			//$('body').removeclass('overflow-hidden');
			});
			$('#cd-lateral-nav').removeclass('lateral-menu-is-open');
			//check if transitions are not supported
			if($('html').hasclass('no-csstransitions')) {
			//$('body').removeclass('overflow-hidden');
			}

		}
	});

	//open (or close) submenu items in the lateral menu. close all the other open submenu items.
	$('.item-has-children').children('a').on('click', function(event){
		event.preventdefault();
		$(this).toggleclass('submenu-open').next('.sub-menu').slidetoggle(200).end().parent('.item-has-children').siblings('.item-has-children').children('a').removeclass('submenu-open').next('.sub-menu').slideup(200);
	});
});