(function() {
	// Check if target matches to an element.
	function awpbusinesspressTargetMatches(selector) {
		return event.target.matches ? event.target.matches(selector) : event.target.msMatchesSelector(selector);
	}

	// Get next sibling.
	function awpbusinesspressNextSibling(element) {
		do {
			element = element.nextSibling;
		} while (element && element.nodeType !== 1);
		return element;
	}

	// Handle sub-menu arrow clicks.
	function awpbusinesspressSubMenuArrowClick(subMenuArrow, subMenuArrows, subMenus) {
		var awpbusinesspressSubMenu = awpbusinesspressNextSibling(subMenuArrow);
		if(awpbusinesspressSubMenu) {
			// Accessibility support for dropdown menu.
			var awpbusinesspressSubMenuLink = subMenuArrow.previousSibling;

			awpbusinesspressSetTabIndex(subMenus, -1);

			if(awpbusinesspressSubMenu.classList.contains('sub-menu--open')) {
				subMenuArrow.classList.remove('sub-menu-show');
				awpbusinesspressSubMenu.classList.remove('sub-menu--open');
				awpbusinesspressSubMenuLink.setAttribute('aria-expanded', 'false');
				subMenuArrow.getElementsByClassName('menu-arrow-button-hide')[0].setAttribute('aria-hidden', 'true');
				subMenuArrow.getElementsByClassName('menu-arrow-button-show')[0].setAttribute('aria-hidden', 'false');
			} else {
				if(subMenus.length) {
					[].forEach.call(subMenus, function(el) {
						el.classList.remove('sub-menu--open');
					});
				}
				if(subMenuArrows.length) {
					for(var i = 0; i < subMenuArrows.length; i++) {
						subMenuArrows[i].classList.remove('sub-menu-show');
						subMenuArrows[i].previousSibling.setAttribute('aria-expanded', 'false');
						subMenuArrows[i].getElementsByClassName('menu-arrow-button-hide')[0].setAttribute('aria-hidden', 'true');
						subMenuArrows[i].getElementsByClassName('menu-arrow-button-show')[0].setAttribute('aria-hidden', 'false');
					}
				}

				subMenuArrow.classList.add('sub-menu-show');
				awpbusinesspressSubMenu.classList.add('sub-menu--open');
				awpbusinesspressSubMenuLink.setAttribute('aria-expanded', 'true');
				subMenuArrow.getElementsByClassName('menu-arrow-button-hide')[0].setAttribute('aria-hidden', 'false');
				subMenuArrow.getElementsByClassName('menu-arrow-button-show')[0].setAttribute('aria-hidden', 'true');
				awpbusinesspressSetTabIndex(awpbusinesspressSubMenu, 0);
				awpbusinesspressSetTabIndex(awpbusinesspressSubMenu.querySelectorAll('.sub-menu'), -1);
			}
		}
	}

	// Setup mobile menu.
	function awpbusinesspressMobileMenu() {
		document.addEventListener('click', function(event) {
			if(awpbusinesspressTargetMatches('.menu-toggle')) {
				event.preventDefault();
				var awpbusinesspressNavIcon = event.target || event.srcElement;
				var awpbusinesspressMainNav = document.querySelector('.main-navigation > .primary-menu-container');

				// Slide mobile menu.
				awpbusinesspressNavIcon.classList.toggle('menu-toggle--open');
				awpbusinesspressMainNav.classList.toggle('primary-menu-container--open');

				if(awpbusinesspressNavIcon.classList.contains('menu-toggle--open')) {
					awpbusinesspressNavIcon.setAttribute('aria-expanded', 'true');
					awpbusinesspressSetTabIndex(document.querySelector('.main-navigation .menu'), 0);
					awpbusinesspressSetTabIndex(document.querySelectorAll('.main-navigation .sub-menu'), -1);
				} else {
					awpbusinesspressNavIcon.setAttribute('aria-expanded', 'false');
				}

			} else if(awpbusinesspressTargetMatches('.main-navigation .menu .sub-menu li.menu-item-has-children > .menu-arrow-button')) {
				event.preventDefault();
				var awpbusinesspressSubMenuArrow1 = event.target || event.srcElement;

				var awpbusinesspressSubMenuArrows1 = document.querySelectorAll('.main-navigation .menu .sub-menu > li.menu-item-has-children > .menu-arrow-button');
				var awpbusinesspressSubMenus1 = document.querySelectorAll('.main-navigation .menu .sub-menu > li.menu-item-has-children > .sub-menu');

				awpbusinesspressSubMenuArrowClick(awpbusinesspressSubMenuArrow1, awpbusinesspressSubMenuArrows1, awpbusinesspressSubMenus1);

			} else if(awpbusinesspressTargetMatches('.main-navigation .menu li.menu-item-has-children > .menu-arrow-button')) {
				event.preventDefault();
				var awpbusinesspressSubMenuArrow2 = event.target || event.srcElement;

				var awpbusinesspressSubMenuArrows2 = document.querySelectorAll('.main-navigation .menu > li.menu-item-has-children > .menu-arrow-button');
				var awpbusinesspressSubMenus2 = document.querySelectorAll('.main-navigation .menu > li.menu-item-has-children > .sub-menu');

				awpbusinesspressSubMenuArrowClick(awpbusinesspressSubMenuArrow2, awpbusinesspressSubMenuArrows2, awpbusinesspressSubMenus2);

			} else {
				var awpbusinesspressSubMenuArrows3 = document.querySelectorAll('.main-navigation .menu > li.menu-item-has-children > .menu-arrow-button');
				var awpbusinesspressSubMenus3 = document.querySelectorAll('.main-navigation .menu > li.menu-item-has-children > .sub-menu');
				if(awpbusinesspressSubMenus3.length) {
					[].forEach.call(awpbusinesspressSubMenus3, function(el) {
						el.classList.remove('sub-menu--open');
					});
				}
				if(awpbusinesspressSubMenuArrows3.length) {
					for(var i = 0; i < awpbusinesspressSubMenuArrows3.length; i++) {
						awpbusinesspressSubMenuArrows3[i].classList.remove('sub-menu-show');
						awpbusinesspressSubMenuArrows3[i].previousSibling.setAttribute('aria-expanded', 'false');
						awpbusinesspressSubMenuArrows3[i].getElementsByClassName('menu-arrow-button-hide')[0].setAttribute('aria-hidden', 'true');
						awpbusinesspressSubMenuArrows3[i].getElementsByClassName('menu-arrow-button-show')[0].setAttribute('aria-hidden', 'false');
					}
				}
				awpbusinesspressSetTabIndex(document.querySelectorAll('.main-navigation .sub-menu'), -1);
			}
		});
	}

	// Mobile menu.
	awpbusinesspressMobileMenu();

	var awpbusinesspressFocusableElements = 'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])';

	// Set tabindex of focusable elements.
	function awpbusinesspressSetTabIndex(element, value) {
		if(NodeList.prototype.isPrototypeOf(element)) {
			[].forEach.call(element, function(el) {
				[].forEach.call(el.querySelectorAll(awpbusinesspressFocusableElements), function(el) {
					el.setAttribute('tabindex', value);
				});
			});

		} else {
			[].forEach.call(element.querySelectorAll(awpbusinesspressFocusableElements), function(el) {
				el.setAttribute('tabindex', value);
			});
		}
	}

	awpbusinesspressSetTabIndex(document.querySelectorAll('.main-navigation .sub-menu'), -1);

	document.addEventListener('keydown', function(event) {
		var awpbusinesspressIsTabPressed = ('Tab' === event.key || 9 === event.keyCode);
		if(!awpbusinesspressIsTabPressed) {
			return;
		}

		var awpbusinesspressNavIcon = document.querySelector('.menu-toggle');
		if(awpbusinesspressNavIcon && ('none' !== getComputedStyle(awpbusinesspressNavIcon, null).display)) {
			if(!awpbusinesspressNavIcon.classList.contains('menu-toggle--open')) {
				awpbusinesspressSetTabIndex(document.querySelector('.main-navigation .menu'), -1);
			}

			if(!event.shiftKey) {
				if(!document.activeElement.classList || !document.activeElement.classList.contains('sub-menu-show')) {
					var awpbusinesspressActiveElementArrow = awpbusinesspressNextSibling(document.activeElement);
					if(!awpbusinesspressActiveElementArrow || (awpbusinesspressActiveElementArrow.classList && !awpbusinesspressActiveElementArrow.classList.contains('menu-arrow-button'))) {
						var awpbusinesspressActiveElementSibling = awpbusinesspressNextSibling(document.activeElement.parentNode);
						if(!awpbusinesspressActiveElementSibling && document.activeElement.parentNode.parentNode.id && 'primary-menu' === document.activeElement.parentNode.parentNode.id) {
							var awpbusinesspressMenuFocusableElements = document.activeElement.parentNode.parentNode.querySelectorAll(awpbusinesspressFocusableElements);
							if(awpbusinesspressMenuFocusableElements.length > 0) {
								event.preventDefault();
								awpbusinesspressNavIcon.focus();
							}
						}
					}
				}
			} else {
				if(document.activeElement.classList && document.activeElement.classList.contains('menu-toggle--open')) {
					var awpbusinesspressLastMenuItemArrowButton = document.querySelector('.main-navigation .menu > li:last-child > .menu-arrow-button');
					if(awpbusinesspressLastMenuItemArrowButton) {
						awpbusinesspressLastMenuItemArrowButton.focus();
						event.preventDefault();
					} else {
						var awpbusinesspressLastMenuItemAnchor = document.querySelector('.main-navigation .menu > li:last-child > a');
						if(awpbusinesspressLastMenuItemAnchor) {
							awpbusinesspressLastMenuItemAnchor.focus();
							event.preventDefault();
						}
					}
				}
			}
		}

		if(!event.shiftKey) {
			if(!document.activeElement.classList || !document.activeElement.classList.contains('sub-menu-show')) {
				var awpbusinesspressActiveElementArrow = awpbusinesspressNextSibling(document.activeElement);
				if(!awpbusinesspressActiveElementArrow || (awpbusinesspressActiveElementArrow.classList && !awpbusinesspressActiveElementArrow.classList.contains('menu-arrow-button'))) {
					var awpbusinesspressActiveElementSibling = awpbusinesspressNextSibling(document.activeElement.parentNode);
					if(!awpbusinesspressActiveElementSibling && document.activeElement.parentNode.parentNode.classList && document.activeElement.parentNode.parentNode.classList.contains('sub-menu--open')) {
						var subMenuFocusableElements = document.activeElement.parentNode.parentNode.querySelectorAll(awpbusinesspressFocusableElements);
						if(subMenuFocusableElements.length > 0) {
							event.preventDefault();
							subMenuFocusableElements[0].focus();
						}
					}
				}
			}
		}
	});

	// Sticky menu.
	var awpbusinesspressMainMenuSticky = document.querySelector('.site-menu-content--sticky');
	if(awpbusinesspressMainMenuSticky) {
		var awpbusinesspressAfterMainMenu = awpbusinesspressNextSibling(awpbusinesspressMainMenuSticky);
		if(awpbusinesspressAfterMainMenu) {
			var awpbusinesspressSiteContent = awpbusinesspressAfterMainMenu;
		} else {
			var awpbusinesspressSiteContent = document.querySelector('.site-content');
		}

		var awpbusinesspressSiteContentMarginTop = window.getComputedStyle(awpbusinesspressSiteContent).marginTop;

		var awpbusinesspressStickyMenuHeight = awpbusinesspressMainMenuSticky.offsetHeight;
		var awpbusinesspressStickyMenuClass = 'sticky-menu';
		var awpbusinesspressContainerMenuClass = 'container';
		var awpbusinesspressStickyMenuInViewClass = 'sticky-menu-in-view';
		var awpbusinesspressHeaderHeight = document.querySelector('.site-header').offsetHeight;
		window.addEventListener('scroll', function() {
			if(window.pageYOffset > awpbusinesspressHeaderHeight) {
				awpbusinesspressMainMenuSticky.classList.add(awpbusinesspressStickyMenuClass);
				awpbusinesspressSiteContent.style.marginTop = awpbusinesspressStickyMenuHeight + 'px';
			} else {
				awpbusinesspressMainMenuSticky.classList.remove(awpbusinesspressStickyMenuClass);
				awpbusinesspressSiteContent.style.marginTop = awpbusinesspressSiteContentMarginTop;
			}
			if(window.pageYOffset > (awpbusinesspressHeaderHeight * 3)) {
				awpbusinesspressMainMenuSticky.classList.add(awpbusinesspressStickyMenuInViewClass);
				awpbusinesspressMainMenuSticky.classList.remove(awpbusinesspressContainerMenuClass);
			} else {
				awpbusinesspressMainMenuSticky.classList.remove(awpbusinesspressStickyMenuInViewClass);
				awpbusinesspressMainMenuSticky.classList.add(awpbusinesspressContainerMenuClass);
			}
		});
	}

	// Utility function.
	function awpbusinesspressUtil() {}

	// Smooth scroll.
	awpbusinesspressUtil.scrollTo = function(final, duration, cb) {
		var awpbusinesspressStart = window.scrollY || document.documentElement.scrollTop,
			awpbusinesspressCurrentTime = null;

		var awpbusinesspressAnimateScroll = function(timestamp) {
			if(!awpbusinesspressCurrentTime) {
				awpbusinesspressCurrentTime = timestamp;
			}

			var awpbusinesspressProgress = timestamp - awpbusinesspressCurrentTime;

			if(awpbusinesspressProgress > duration) {
				awpbusinesspressProgress = duration;
			}

			var awpbusinesspressVal = Math.easeInOutQuad(awpbusinesspressProgress, awpbusinesspressStart, final - awpbusinesspressStart, duration);

			window.scrollTo(0, awpbusinesspressVal);
			if(awpbusinesspressProgress < duration) {
				window.requestAnimationFrame(awpbusinesspressAnimateScroll);
			} else {
				cb && cb();
			}
		};

		window.requestAnimationFrame(awpbusinesspressAnimateScroll);
	};

	// Animation curves.
	Math.easeInOutQuad = function (t, b, c, d) {
		t /= d/2;
		if(t < 1) return c/2*t*t + b;
		t--;
		return -c/2 * (t*(t-2) - 1) + b;
	};

	// Back to top.
	var awpbusinesspressBackTop = document.querySelector('.back-to-top');
	if(awpbusinesspressBackTop) {
		var awpbusinesspressOffset = 300;
		var awpbusinesspressOffsetOpacity = 1200;
		var awpbusinesspressScrollDuration = 700;
		var awpbusinesspressScrolling = false;
		window.addEventListener('scroll', function() {
			if(!awpbusinesspressScrolling) {
				awpbusinesspressScrolling = true;
				(!window.requestAnimationFrame) ? setTimeout(awpbusinesspressCheckBackToTop, 250) : window.requestAnimationFrame(awpbusinesspressCheckBackToTop);
			}
		});

		document.addEventListener('click', function(event) {
			if(awpbusinesspressTargetMatches('.back-to-top')) {
				event.preventDefault();
				(!window.requestAnimationFrame) ? window.scrollTo(0, 0) : awpbusinesspressUtil.scrollTo(0, awpbusinesspressScrollDuration);
			}
		});
	}

	function awpbusinesspressCheckBackToTop() {
		var awpbusinesspressWindowTop = window.scrollY || document.documentElement.scrollTop;
		( awpbusinesspressWindowTop > awpbusinesspressOffset ) ? awpbusinesspressBackTop.classList.add('back-to-top--show') : awpbusinesspressBackTop.classList.remove('back-to-top--show', 'back-to-top--fade-out');
		( awpbusinesspressWindowTop > awpbusinesspressOffsetOpacity ) && awpbusinesspressBackTop.classList.add('back-to-top--fade-out');
		awpbusinesspressScrolling = false;
	}

})();