/*
 * SmartMenus jQuery v0.9.4
 * http://www.smartmenus.org/
 *
 * Copyright 2013 Vasil Dinkov, Vadikom Web Ltd.
 * http://vadikom.com/
 *
 * Released under the MIT license:
 * http://www.opensource.org/licenses/MIT
 */

(function($) {

	var menuTrees = [],
		IE = !!window.createPopup, // we need to detect it, unfortunately
		IElt9 = IE && !document.defaultView,
		IElt8 = IE && !document.querySelector,
		IE6 = IE && typeof document.documentElement.currentStyle.minWidth == 'undefined',
		mouse = false, // optimize for touch by default - we will detect for mouse input
		mouseDetectionEnabled = false;

	// Handle detection for mouse input (i.e. desktop browsers, tablets with a mouse, etc.)
	function initMouseDetection(disable) {
		if (!mouseDetectionEnabled && !disable) {
			// if we get two consecutive mousemoves within 2 pixels from each other and within 300ms, we assume a real mouse/cursor is present
			// in practice, this seems like impossible to trick unintentianally with a real mouse and a pretty safe detection on touch devices (even with older browsers that do not support touch events)
			var firstTime = true,
				lastMove = null;
			$(document).bind({
				'mousemove.smartmenus_mouse': function(e) {
					var thisMove = { x: e.pageX, y: e.pageY, timeStamp: new Date().getTime() };
					if (lastMove) {
						var deltaX = Math.abs(lastMove.x - thisMove.x),
							deltaY = Math.abs(lastMove.y - thisMove.y);
	 					if ((deltaX > 0 || deltaY > 0) && deltaX <= 2 && deltaY <= 2 && thisMove.timeStamp - lastMove.timeStamp <= 300) {
							mouse = true;
							// if this is the first check after page load, check if we are not over some item by chance and call the mouseenter handler if yes
							if (firstTime) {
								var $a = $(e.target);
								if (!$a.is('a')) {
									$a = $a.parentsUntil('a').parent();
								}
								if ($a.is('a')) {
									$.each(menuTrees, function() {
										if ($.contains(this.$root[0], $a[0])) {
											this.itemEnter({ currentTarget: $a[0] });
											return false;
										}
									});
								}
								firstTime = false;
							}
						}
					}
					lastMove = thisMove;
				},
				'touchstart.smartmenus_mouse pointerover.smartmenus_mouse MSPointerOver.smartmenus_mouse': function(e) {
					if (!/^(4|mouse)$/.test(e.originalEvent.pointerType)) {
						mouse = false;
					}
				}
			});
			mouseDetectionEnabled = true;
		} else if (mouseDetectionEnabled && disable) {
			$(document).unbind('.smartmenus_mouse');
			mouseDetectionEnabled = false;
		}
	};

	$.SmartMenus = function(elm, options) {
		this.$root = $(elm);
		this.opts = options;
		this.rootId = ''; // internal
		this.$subArrow = null;
		this.subMenus = []; // all sub menus in the tree (UL elms) in no particular order (only real - e.g. UL's in mega sub menus won't be counted)
		this.activatedItems = []; // stores last activated A's for each level
		this.visibleSubMenus = []; // stores visible sub menus UL's
		this.showTimeout = 0;
		this.hideTimeout = 0;
		this.scrollTimeout = 0;
		this.clickActivated = false;
		this.zIndexInc = 0;
		this.$firstLink = null; // we'll use these for some tests
		this.$firstSub = null; // at runtime so we'll cache them
		this.disabled = false;
		this.$disableOverlay = null;
		this.init();
	};

	$.extend($.SmartMenus, {
		hideAll: function() {
			$.each(menuTrees, function() {
				this.menuHideAll();
			});
		},
		destroy: function() {
			while (menuTrees.length) {
				menuTrees[0].destroy();
			}
			initMouseDetection(true);
		},
		prototype: {
			init: function(refresh) {
				var self = this;

				if (!refresh) {
					menuTrees.push(this);

					this.rootId = (new Date().getTime() + Math.random() + '').replace(/\D/g, '');

					if (this.$root.hasClass('sm-rtl')) {
						this.opts.rightToLeftSubMenus = true;
					}

					// init root (main menu)
					this.$root
						.data('smartmenus', this)
						.attr('data-smartmenus-id', this.rootId)
						.dataSM('level', 1)
						.bind({
							'mouseover.smartmenus focusin.smartmenus': $.proxy(this.rootOver, this),
							'mouseout.smartmenus focusout.smartmenus': $.proxy(this.rootOut, this)
						})
						.delegate('a', {
							'mouseenter.smartmenus': $.proxy(this.itemEnter, this),
							'mouseleave.smartmenus': $.proxy(this.itemLeave, this),
							'mousedown.smartmenus': $.proxy(this.itemDown, this),
							'focus.smartmenus': $.proxy(this.itemFocus, this),
							'blur.smartmenus': $.proxy(this.itemBlur, this),
							'click.smartmenus': $.proxy(this.itemClick, this),
							'touchend.smartmenus': $.proxy(this.itemTouchEnd, this)
						});

					var eNamespace = '.smartmenus' + this.rootId;
					// hide menus on tap or click outside the root UL
					if (this.opts.hideOnClick) {
						$(document).bind('touchstart' + eNamespace, $.proxy(this.docTouchStart, this))
							.bind('touchmove' + eNamespace, $.proxy(this.docTouchMove, this))
							.bind('touchend' + eNamespace, $.proxy(this.docTouchEnd, this))
							// for Opera Mobile < 11.5, webOS browser, etc. we'll check click too
							.bind('click' + eNamespace, $.proxy(this.docClick, this));
					}
					// hide sub menus on resize
					$(window).bind('resize' + eNamespace + ' orientationchange' + eNamespace, $.proxy(this.winResize, this));

					if (this.opts.subIndicators) {
						this.$subArrow = $('<span/>').addClass('sub-arrow');
						if (this.opts.subIndicatorsText) {
							this.$subArrow.html(this.opts.subIndicatorsText);
						}
					}

					// make sure mouse detection is enabled
					initMouseDetection();
				}

				// init sub menus
				this.$firstSub = this.$root.find('ul').each(function() { self.menuInit($(this)); }).eq(0);

				this.$firstLink = this.$root.find('a').eq(0);

				// find current item
				if (this.opts.markCurrentItem) {
					var reDefaultDoc = /(index|default)\.[^#\?\/]*/i,
						reHash = /#.*/,
						locHref = window.location.href.replace(reDefaultDoc, ''),
						locHrefNoHash = locHref.replace(reHash, '');
					this.$root.find('a').each(function() {
						var href = this.href.replace(reDefaultDoc, ''),
							$this = $(this);
						if (href == locHref || href == locHrefNoHash) {
							$this.addClass('current');
							if (self.opts.markCurrentTree) {
								$this.parents('li').each(function() {
									var $this = $(this);
									if ($this.dataSM('sub')) {
										$this.children('a').addClass('current');
									}
								});
							}
						}
					});
				}
			},
			destroy: function() {
				this.menuHideAll();
				this.$root
					.removeData('smartmenus')
					.removeAttr('data-smartmenus-id')
					.removeDataSM('level')
					.unbind('.smartmenus')
					.undelegate('.smartmenus');
				var eNamespace = '.smartmenus' + this.rootId;
				$(document).unbind(eNamespace);
				$(window).unbind(eNamespace);
				if (this.opts.subIndicators) {
					this.$subArrow = null;
				}
				var self = this;
				$.each(this.subMenus, function() {
					if (this.hasClass('mega-menu')) {
						this.find('ul').removeDataSM('in-mega');
					}
					if (this.dataSM('shown-before')) {
						if (IElt8) {
							this.children().css({ styleFloat: '', width: '' });
						}
						if (self.opts.subMenusMinWidth || self.opts.subMenusMaxWidth) {
							if (!IE6) {
								this.css({ width: '', minWidth: '', maxWidth: '' }).removeClass('sm-nowrap');
							} else {
								this.css({ width: '', overflowX: '', overflowY: '' }).children().children('a').css('white-space', '');
							}
						}
						if (this.dataSM('scroll-arrows')) {
							this.dataSM('scroll-arrows').remove();
						}
						this.css({ zIndex: '', top: '', left: '', marginLeft: '', marginTop: '', display: '' });
					}
					if (self.opts.subIndicators) {
						this.dataSM('parent-a').removeClass('has-submenu').children('span.sub-arrow').remove();
					}
					this.removeDataSM('shown-before')
						.removeDataSM('ie-shim')
						.removeDataSM('scroll-arrows')
						.removeDataSM('parent-a')
						.removeDataSM('level')
						.removeDataSM('beforefirstshowfired')
						.parent().removeDataSM('sub');
				});
				if (this.opts.markCurrentItem) {
					this.$root.find('a.current').removeClass('current');
				}
				this.$root = null;
				this.$firstLink = null;
				this.$firstSub = null;
				if (this.$disableOverlay) {
					this.$disableOverlay.remove();
					this.$disableOverlay = null;
				}
				menuTrees.splice($.inArray(this, menuTrees), 1);
			},
			disable: function(noOverlay) {
				if (!this.disabled) {
					this.menuHideAll();
					// display overlay over the menu to prevent interaction
					if (!noOverlay && !this.opts.isPopup && this.$root.is(':visible')) {
						var pos = this.$root.offset();
						this.$disableOverlay = $('<div class="sm-jquery-disable-overlay"/>').css({
							position: 'absolute',
							top: pos.top,
							left: pos.left,
							width: this.$root.outerWidth(),
							height: this.$root.outerHeight(),
							zIndex: this.getStartZIndex() + 1,
							opacity: 0
						}).appendTo(document.body);
					}
					this.disabled = true;
				}
			},
			docClick: function(e) {
				// hide on any click outside the menu or on a menu link
				if (this.visibleSubMenus.length && !$.contains(this.$root[0], e.target) || $(e.target).is('a')) {
					this.menuHideAll();
				}
			},
			docTouchEnd: function(e) {
				if (!this.lastTouch) {
					return;
				}
				if (this.visibleSubMenus.length && (this.lastTouch.x2 === undefined || this.lastTouch.x1 == this.lastTouch.x2) && (this.lastTouch.y2 === undefined || this.lastTouch.y1 == this.lastTouch.y2) && (!this.lastTouch.target || !$.contains(this.$root[0], this.lastTouch.target))) {
					if (this.hideTimeout) {
						clearTimeout(this.hideTimeout);
						this.hideTimeout = 0;
					}
					// hide with a delay to prevent triggering accidental unwanted click on some page element
					var self = this;
					this.hideTimeout = setTimeout(function() { self.menuHideAll(); }, 350);
				}
				this.lastTouch = null;
			},
			docTouchMove: function(e) {
				if (!this.lastTouch) {
					return;
				}
				var touchPoint = e.originalEvent.touches[0];
				this.lastTouch.x2 = touchPoint.pageX;
				this.lastTouch.y2 = touchPoint.pageY;
			},
			docTouchStart: function(e) {
				var touchPoint = e.originalEvent.touches[0];
				this.lastTouch = { x1: touchPoint.pageX, y1: touchPoint.pageY, target: touchPoint.target };
			},
			enable: function() {
				if (this.disabled) {
					if (this.$disableOverlay) {
						this.$disableOverlay.remove();
						this.$disableOverlay = null;
					}
					this.disabled = false;
				}
			},
			getHeight: function($elm) {
				return this.getOffset($elm, true);
			},
			// returns precise width/height float values in IE9+, FF4+, recent WebKit
			// http://vadikom.com/dailies/offsetwidth-offsetheight-useless-in-ie9-firefox4/
			getOffset: function($elm, height) {
				var old;
				if ($elm.css('display') == 'none') {
					old = { position: $elm[0].style.position, visibility: $elm[0].style.visibility };
					$elm.css({ position: 'absolute', visibility: 'hidden' }).show();
				}
				var defaultView = $elm[0].ownerDocument.defaultView,
					compStyle = defaultView && defaultView.getComputedStyle && defaultView.getComputedStyle($elm[0], null),
					val = compStyle && parseFloat(compStyle[height ? 'height' : 'width']);
				if (val) {
					val += parseFloat(compStyle[height ? 'paddingTop' : 'paddingLeft'])
	 					+ parseFloat(compStyle[height ? 'paddingBottom' : 'paddingRight'])
	 					+ parseInt(compStyle[height ? 'borderTopWidth' : 'borderLeftWidth'])
	 					+ parseInt(compStyle[height ? 'borderBottomWidth' : 'borderRightWidth']);
				} else {
					val = height ? $elm[0].offsetHeight : $elm[0].offsetWidth;
				}
				if (old) {
					$elm.hide().css(old);
				}
				return val;
			},
			getWidth: function($elm) {
				return this.getOffset($elm);
			},
			getStartZIndex: function() {
				var zIndex = parseInt(this.$root.css('z-index'));
				return !isNaN(zIndex) ? zIndex : 1;
			},
			handleEvents: function() {
				return !this.disabled && this.isCSSOn();
			},
			handleItemEvents: function($a) {
				return this.handleEvents() && !this.isLinkInMegaMenu($a);
			},
			isCollapsible: function() {
				return this.$firstSub.css('position') == 'static';
			},
			isCSSOn: function() {
				return this.$firstLink.css('display') == 'block';
			},
			isFixed: function() {
				return this.$root.css('position') == 'fixed';
			},
			isLinkInMegaMenu: function($a) {
				return !$a.parent().parent().dataSM('level');
			},
			isTouchMode: function() {
				return !mouse || this.isCollapsible();
			},
			itemActivate: function($a) {
				var $li = $a.parent(),
					$ul = $li.parent(),
					level = $ul.dataSM('level');
				// if for some reason the parent item is not activated (e.g. this is an API call to activate the item), activate all parent items first
				if (level > 1 && (!this.activatedItems[level - 2] || this.activatedItems[level - 2][0] != $ul.dataSM('parent-a')[0])) {
					var self = this;
					$($ul.parentsUntil('[data-smartmenus-id]', 'ul').get().reverse()).add($ul).each(function() {
						self.itemActivate($(this).dataSM('parent-a'));
					});
				}
				// hide any visible deeper level sub menus
				if (this.visibleSubMenus.length > level) {
					for (var i = this.visibleSubMenus.length - 1, l = !this.activatedItems[level - 1] || this.activatedItems[level - 1][0] != $a[0] ? level - 1 : level; i > l; i--) {
						this.menuHide(this.visibleSubMenus[i]);
					}
				}
				// save new active item and sub menu for this level
				this.activatedItems[level - 1] = $a;
				this.visibleSubMenus[level - 1] = $ul;
				if (this.$root.triggerHandler('activate.smapi', $a[0]) === false) {
					return;
				}
				// show the sub menu if this item has one
				var $sub = $li.dataSM('sub');
				if ($sub && (this.isTouchMode() || (!this.opts.showOnClick || this.clickActivated))) {
					this.menuShow($sub);
				}
			},
			itemBlur: function(e) {
				var $a = $(e.currentTarget);
				if (!this.handleItemEvents($a)) {
					return;
				}
				this.$root.triggerHandler('blur.smapi', $a[0]);
			},
			itemClick: function(e) {
				var $a = $(e.currentTarget);
				if (!this.handleItemEvents($a)) {
					return;
				}
				$a.removeDataSM('mousedown');
				if (this.$root.triggerHandler('click.smapi', $a[0]) === false) {
					return false;
				}
				var $sub = $a.parent().dataSM('sub');
				if (this.isTouchMode()) {
					// undo fix: prevent the address bar on iPhone from sliding down when expanding a sub menu
					if ($a.dataSM('href')) {
						$a.attr('href', $a.dataSM('href')).removeDataSM('href');
					}
					// if the sub is not visible
					if ($sub && (!$sub.dataSM('shown-before') || !$sub.is(':visible'))) {
						// try to activate the item and show the sub
						this.itemActivate($a);
						// if "itemActivate" showed the sub, prevent the click so that the link is not loaded
						// if it couldn't show it, then the sub menus are disabled with an !important declaration (e.g. via mobile styles) so let the link get loaded
						if ($sub.is(':visible')) {
							return false;
						}
					}
				} else if (this.opts.showOnClick && $a.parent().parent().dataSM('level') == 1 && $sub) {
					this.clickActivated = true;
					this.menuShow($sub);
					return false;
				}
				if ($a.hasClass('disabled')) {
					return false;
				}
				if (this.$root.triggerHandler('select.smapi', $a[0]) === false) {
					return false;
				}
			},
			itemDown: function(e) {
				var $a = $(e.currentTarget);
				if (!this.handleItemEvents($a)) {
					return;
				}
				$a.dataSM('mousedown', true);
			},
			itemEnter: function(e) {
				var $a = $(e.currentTarget);
				if (!this.handleItemEvents($a)) {
					return;
				}
				if (!this.isTouchMode()) {
					if (this.showTimeout) {
						clearTimeout(this.showTimeout);
						this.showTimeout = 0;
					}
					var self = this;
					this.showTimeout = setTimeout(function() { self.itemActivate($a); }, this.opts.showOnClick && $a.parent().parent().dataSM('level') == 1 ? 1 : this.opts.showTimeout);
				}
				this.$root.triggerHandler('mouseenter.smapi', $a[0]);
			},
			itemFocus: function(e) {
				var $a = $(e.currentTarget);
				if (!this.handleItemEvents($a)) {
					return;
				}
				// fix (the mousedown check): in some browsers a tap/click produces consecutive focus + click events so we don't need to activate the item on focus
				if ((!this.isTouchMode() || !$a.dataSM('mousedown')) && (!this.activatedItems.length || this.activatedItems[this.activatedItems.length - 1][0] != $a[0])) {
					this.itemActivate($a);
				}
				this.$root.triggerHandler('focus.smapi', $a[0]);
			},
			itemLeave: function(e) {
				var $a = $(e.currentTarget);
				if (!this.handleItemEvents($a)) {
					return;
				}
				if (!this.isTouchMode()) {
					if ($a[0].blur) {
						$a[0].blur();
					}
					if (this.showTimeout) {
						clearTimeout(this.showTimeout);
						this.showTimeout = 0;
					}
				}
				$a.removeDataSM('mousedown');
				this.$root.triggerHandler('mouseleave.smapi', $a[0]);
			},
			itemTouchEnd: function(e) {
				var $a = $(e.currentTarget);
				if (!this.handleItemEvents($a)) {
					return;
				}
				// prevent the address bar on iPhone from sliding down when expanding a sub menu
				var $sub = $a.parent().dataSM('sub');
				if ($a.attr('href').charAt(0) !== '#' && $sub && (!$sub.dataSM('shown-before') || !$sub.is(':visible'))) {
					$a.dataSM('href', $a.attr('href'));
					$a.attr('href', '#');
				}
			},
			menuFixLayout: function($ul) {
				// fixes a menu that is being shown for the first time
				if (!$ul.dataSM('shown-before')) {
					$ul.hide().dataSM('shown-before', true);
					// fix the layout of the items in IE<8
					if (IElt8) {
						$ul.children().css({ styleFloat: 'left', width: '100%' });
					}
				}
			},
			menuHide: function($sub) {
				if (this.$root.triggerHandler('beforehide.smapi', $sub[0]) === false) {
					return;
				}
				$sub.stop(true, true);
				if ($sub.is(':visible')) {
					var complete = function() {
						// unset z-index
						if (IElt9) {
							$sub.parent().css('z-index', '');
						} else {
							$sub.css('z-index', '');
						}
					};
					// if sub is collapsible (mobile view)
					if (this.isCollapsible()) {
						if (this.opts.collapsibleHideFunction) {
							this.opts.collapsibleHideFunction.call(this, $sub, complete);
						} else {
							$sub.hide(this.opts.collapsibleHideDuration, complete);
						}
					} else {
						if (this.opts.hideFunction) {
							this.opts.hideFunction.call(this, $sub, complete);
						} else {
							$sub.hide(this.opts.hideDuration, complete);
						}
					}
					// remove IE iframe shim
					if ($sub.dataSM('ie-shim')) {
						$sub.dataSM('ie-shim').remove();
					}
					// deactivate scrolling if it is activated for this sub
					if ($sub.dataSM('scroll')) {
						$sub.unbind('.smartmenus_scroll').removeDataSM('scroll').dataSM('scroll-arrows').hide();
					}
					// unhighlight parent item
					$sub.dataSM('parent-a').removeClass('highlighted');
					var level = $sub.dataSM('level');
					this.activatedItems.splice(level - 1, 1);
					this.visibleSubMenus.splice(level - 1, 1);
					this.$root.triggerHandler('hide.smapi', $sub[0]);
				}
			},
			menuHideAll: function() {
				if (this.showTimeout) {
					clearTimeout(this.showTimeout);
					this.showTimeout = 0;
				}
				// hide all subs
				for (var i = this.visibleSubMenus.length - 1; i > 0; i--) {
					this.menuHide(this.visibleSubMenus[i]);
				}
				// hide root if it's popup
				if (this.opts.isPopup) {
					this.$root.stop(true, true);
					if (this.$root.is(':visible')) {
						if (this.opts.hideFunction) {
							this.opts.hideFunction.call(this, this.$root);
						} else {
							this.$root.hide(this.opts.hideDuration);
						}
						// remove IE iframe shim
						if (this.$root.dataSM('ie-shim')) {
							this.$root.dataSM('ie-shim').remove();
						}
					}
				}
				this.activatedItems = [];
				this.visibleSubMenus = [];
				this.clickActivated = false;
				// reset z-index increment
				this.zIndexInc = 0;
			},
			menuIframeShim: function($ul) {
				// create iframe shim for the menu
				if (IE && this.opts.overlapControlsInIE && !$ul.dataSM('ie-shim')) {
					$ul.dataSM('ie-shim', $('<iframe/>').attr({ src: 'javascript:0', tabindex: -9 })
						.css({ position: 'absolute', top: 'auto', left: '0', opacity: 0, border: '0' })
					);
				}
			},
			menuInit: function($ul) {
				if (!$ul.dataSM('in-mega')) {
					this.subMenus.push($ul);
					// mark UL's in mega drop downs (if any) so we can neglect them
					if ($ul.hasClass('mega-menu')) {
						$ul.find('ul').dataSM('in-mega', true);
					}
					// get level (much faster than, for example, using parentsUntil)
					var level = 2,
						par = $ul[0];
					while ((par = par.parentNode.parentNode) != this.$root[0]) {
						level++;
					}
					// cache stuff
					$ul.dataSM('parent-a', $ul.prevAll('a'))
						.dataSM('level', level)
						.parent().dataSM('sub', $ul);
					// add sub indicator to parent item
					if (this.opts.subIndicators) {
						$ul.dataSM('parent-a').addClass('has-submenu')[this.opts.subIndicatorsPos](this.$subArrow.clone());
					}
				}
			},
			menuPosition: function($sub) {
				var $a = $sub.dataSM('parent-a'),
					$ul = $sub.parent().parent(),
					level = $sub.dataSM('level'),
					subW = this.getWidth($sub),
					subH = this.getHeight($sub),
					itemOffset = $a.offset(),
					itemX = itemOffset.left,
					itemY = itemOffset.top,
					itemW = this.getWidth($a),
					itemH = this.getHeight($a),
					$win = $(window),
					winX = $win.scrollLeft(),
					winY = $win.scrollTop(),
					winW = $win.width(),
					winH = $win.height(),
					horizontalParent = $ul.hasClass('sm') && !$ul.hasClass('sm-vertical'),
					subOffsetX = level == 2 ? this.opts.mainMenuSubOffsetX : this.opts.subMenusSubOffsetX,
					subOffsetY = level == 2 ? this.opts.mainMenuSubOffsetY : this.opts.subMenusSubOffsetY,
					x, y;
				if (horizontalParent) {
					x = this.opts.rightToLeftSubMenus ? itemW - subW - subOffsetX : subOffsetX;
					y = this.opts.bottomToTopSubMenus ? -subH - subOffsetX : itemH + subOffsetY;
				} else {
					x = this.opts.rightToLeftSubMenus ? subOffsetX - subW : itemW - subOffsetX;
					y = this.opts.bottomToTopSubMenus ? itemH - subOffsetY - subH : subOffsetY;
				}
				if (this.opts.keepInViewport && !this.isCollapsible()) {
					if (this.isFixed()) {
						itemX -= winX;
						itemY -= winY;
						winX = winY = 0;
					}
					var absX = itemX + x,
						absY = itemY + y;
					if (this.opts.rightToLeftSubMenus && absX < winX) {
						x = horizontalParent ? winX - absX + x : itemW - subOffsetX;
					} else if (!this.opts.rightToLeftSubMenus && absX + subW > winX + winW) {
						x = horizontalParent ? winX + winW - subW - absX + x : subOffsetX - subW;
					}
					if (!horizontalParent) {
						if (subH < winH && absY + subH > winY + winH) {
							y += winY + winH - subH - absY;
						} else if (subH >= winH || absY < winY) {
							y += winY - absY;
						}
					}
					// do we need scrolling?
					// 0.49 added for the sake of IE9/FF4+ where we might be dealing with float numbers for "subH"
					if (mouse && (horizontalParent && (absY + subH > winY + winH + 0.49 || absY < winY) || !horizontalParent && subH > winH + 0.49)) {
						var self = this;
						if (!$sub.dataSM('scroll-arrows')) {
							$sub.dataSM('scroll-arrows', $([$('<span class="scroll-up"><span class="scroll-up-arrow"></span></span>')[0], $('<span class="scroll-down"><span class="scroll-down-arrow"></span></span>')[0]])
								.bind({
									mouseenter: function() { self.menuScroll($sub, $(this).hasClass('scroll-up')); },
									mouseleave: function(e) {
										self.menuScrollStop($sub);
										self.menuScrollOut($sub, e);
									},
									'mousewheel DOMMouseScroll': function(e) { e.preventDefault(); }
								})
								.insertAfter($sub)
							);
						}
						// bind events to show/hide arrows on hover and save scrolling data for this sub
						var vportY = winY - (itemY + itemH);
						$sub.dataSM('scroll', {
								vportY: vportY,
								subH: subH,
								winH: winH,
								step: 1
							})
							.bind({
								'mouseover.smartmenus_scroll': function(e) { self.menuScrollOver($sub, e); },
								'mouseout.smartmenus_scroll': function(e) { self.menuScrollOut($sub, e); },
								'mousewheel.smartmenus_scroll DOMMouseScroll.smartmenus_scroll': function(e) { self.menuScrollMousewheel($sub, e); }
							})
							.dataSM('scroll-arrows').css({ top: 'auto', left: '0', marginLeft: x + (parseInt($sub.css('border-left-width')) || 0), width: this.getWidth($sub) - (parseInt($sub.css('border-left-width')) || 0) - (parseInt($sub.css('border-right-width')) || 0), zIndex: this.getStartZIndex() + this.zIndexInc })
							.eq(0).css('margin-top', vportY).end()
							.eq(1).css('margin-top', vportY + winH - this.getHeight($sub.dataSM('scroll-arrows').eq(1))).end()
							.eq(horizontalParent && this.opts.bottomToTopSubMenus ? 0 : 1).show();
					}
				}
				$sub.css({ top: 'auto', left: '0', marginLeft: x, marginTop: y - itemH });
				// IE iframe shim
				this.menuIframeShim($sub);
				if ($sub.dataSM('ie-shim')) {
					$sub.dataSM('ie-shim').css({ zIndex: $sub.css('z-index'), width: subW, height: subH, marginLeft: x, marginTop: y - itemH });
				}
			},
			menuScroll: function($sub, up, wheel) {
				var y = parseFloat($sub.css('margin-top')),
					scroll = $sub.dataSM('scroll'),
					end = scroll.vportY + (up ? 0 : scroll.winH - scroll.subH),
					step = wheel || !this.opts.scrollAccelerate ? this.opts.scrollStep : Math.floor($sub.dataSM('scroll').step);
				$sub.add($sub.dataSM('ie-shim')).css('margin-top', Math.abs(end - y) > step ? y + (up ? step : -step) : end);
				y = parseFloat($sub.css('margin-top'));
				// show opposite arrow if appropriate
				if (up && y + scroll.subH > scroll.vportY + scroll.winH || !up && y < scroll.vportY) {
					$sub.dataSM('scroll-arrows').eq(up ? 1 : 0).show();
				}
				// accelerate when not using mousewheel to scroll
				if (!wheel && this.opts.scrollAccelerate && $sub.dataSM('scroll').step < this.opts.scrollStep) {
					$sub.dataSM('scroll').step += 0.5;
				}
				// "y" and "end" might be float numbers in IE9/FF4+ so this weird way to check is used
				if (Math.abs(y - end) < 1) {
					$sub.dataSM('scroll-arrows').eq(up ? 0 : 1).hide();
					$sub.dataSM('scroll').step = 1;
				} else if (!wheel) {
					var self = this;
					this.scrollTimeout = setTimeout(function() { self.menuScroll($sub, up); }, this.opts.scrollInterval);
				}
			},
			menuScrollMousewheel: function($sub, e) {
				var $closestSub = $(e.target).closest('ul');
				while ($closestSub.dataSM('in-mega')) {
					$closestSub = $closestSub.parent().closest('ul');
				}
				if ($closestSub[0] == $sub[0]) {
					var up = (e.originalEvent.wheelDelta || -e.originalEvent.detail) > 0;
					if ($sub.dataSM('scroll-arrows').eq(up ? 0 : 1).is(':visible')) {
						this.menuScroll($sub, up, true);
					}
				}
				e.preventDefault();
			},
			menuScrollOut: function($sub, e) {
				var reClass = /^scroll-(up|down)/,
					$closestSub = $(e.relatedTarget).closest('ul');
				while ($closestSub.dataSM('in-mega')) {
					$closestSub = $closestSub.parent().closest('ul');
				}
				if (!reClass.test((e.relatedTarget || '').className) && ($sub[0] != e.relatedTarget && !$.contains($sub[0], e.relatedTarget) || $closestSub[0] != $sub[0])) {
					$sub.dataSM('scroll-arrows').css('visibility', 'hidden');
				}
			},
			menuScrollOver: function($sub, e) {
				var reClass = /^scroll-(up|down)/,
					$closestSub = $(e.target).closest('ul');
				while ($closestSub.dataSM('in-mega')) {
					$closestSub = $closestSub.parent().closest('ul');
				}
				if (!reClass.test(e.target.className) && $closestSub[0] == $sub[0]) {
					$sub.dataSM('scroll-arrows').css('visibility', 'visible');
				}
			},
			menuScrollStop: function($sub) {
				if (this.scrollTimeout) {
					clearTimeout(this.scrollTimeout);
					this.scrollTimeout = 0;
					$sub.dataSM('scroll').step = 1;
				}
			},
			menuShow: function($sub) {
				if (!$sub.dataSM('beforefirstshowfired')) {
					$sub.dataSM('beforefirstshowfired', true);
					if (this.$root.triggerHandler('beforefirstshow.smapi', $sub[0]) === false) {
						return;
					}
				}
				if (this.$root.triggerHandler('beforeshow.smapi', $sub[0]) === false) {
					return;
				}
				this.menuFixLayout($sub);
				$sub.stop(true, true);
				if (!$sub.is(':visible')) {
					// set z-index - for IE < 9 set it to the parent LI
					var zIndex = this.getStartZIndex() + (++this.zIndexInc);
					if (IElt9) {
						$sub.parent().css('z-index', zIndex);
					} else {
						$sub.css('z-index', zIndex);
					}
					// highlight parent item
					if (this.opts.keepHighlighted || this.isCollapsible()) {
						$sub.dataSM('parent-a').addClass('highlighted');
					}
					// min/max-width fix - no way to rely purely on CSS as all UL's are nested
					if (this.opts.subMenusMinWidth || this.opts.subMenusMaxWidth) {
						if (!IElt8) {
							$sub.css({ width: 'auto', minWidth: '', maxWidth: '' }).addClass('sm-nowrap');
							if (this.opts.subMenusMinWidth) {
							 	$sub.css('min-width', this.opts.subMenusMinWidth);
							}
							if (this.opts.subMenusMaxWidth) {
							 	var noMaxWidth = this.getWidth($sub);
							 	$sub.css('max-width', this.opts.subMenusMaxWidth);
								if (noMaxWidth > this.getWidth($sub)) {
									$sub.removeClass('sm-nowrap').css('width', this.opts.subMenusMaxWidth);
								}
							}
						// IE6,7
 						} else {
							$sub.children().css('styleFloat', 'none');
							if (IE6) {
								$sub.width(this.opts.subMenusMinWidth ? this.opts.subMenusMinWidth : 1)
									.children().children('a').css('white-space', 'nowrap');
							} else { // IE7
								$sub.css({ width: 'auto', minWidth: '', maxWidth: '' }).addClass('sm-nowrap');
								if (this.opts.subMenusMinWidth) {
							         	$sub.css('min-width', this.opts.subMenusMinWidth);
								}
							}
							if (this.opts.subMenusMaxWidth) {
								var noMaxWidth = $sub.width();
								if (IE6) {
							 		var maxWidth = $sub.css({ width: this.opts.subMenusMaxWidth, overflowX: 'hidden', overflowY: 'hidden' }).width();
									if (noMaxWidth > maxWidth) {
										$sub.css({ width: maxWidth, overflowX: 'visible', overflowY: 'visible' }).children().children('a').css('white-space', '');
									} else {
										$sub.css({ width: noMaxWidth, overflowX: 'visible', overflowY: 'visible' });
									}
								} else { // IE7
									$sub.css('max-width', this.opts.subMenusMaxWidth);
									if (noMaxWidth > $sub.width()) {
										$sub.removeClass('sm-nowrap').css('width', this.opts.subMenusMaxWidth);
									} else {
										$sub.width(noMaxWidth);
									}
								}
							} else {
							 	$sub.width($sub.width());
							}
							$sub.children().css('styleFloat', 'left');
						}
					}
					this.menuPosition($sub);
					// insert IE iframe shim
					if ($sub.dataSM('ie-shim')) {
						$sub.dataSM('ie-shim').insertBefore($sub);
					}
					var complete = function() {
						// fix: "overflow: hidden;" is not reset on animation complete in jQuery < 1.9.0 in Chrome when global "box-sizing: border-box;" is used
						$sub.css('overflow', '');
					};
					// if sub is collapsible (mobile view)
					if (this.isCollapsible()) {
						if (this.opts.collapsibleShowFunction) {
							this.opts.collapsibleShowFunction.call(this, $sub, complete);
						} else {
							$sub.show(this.opts.collapsibleShowDuration, complete);
						}
					} else {
						if (this.opts.showFunction) {
							this.opts.showFunction.call(this, $sub, complete);
						} else {
							$sub.show(this.opts.showDuration, complete);
						}
					}
					// save new sub menu for this level
					this.visibleSubMenus[$sub.dataSM('level') - 1] = $sub;
					this.$root.triggerHandler('show.smapi', $sub[0]);
				}
			},
			popupHide: function(noHideTimeout) {
				if (this.hideTimeout) {
					clearTimeout(this.hideTimeout);
					this.hideTimeout = 0;
				}
				var self = this;
				this.hideTimeout = setTimeout(function() {
					self.menuHideAll();
				}, noHideTimeout ? 1 : this.opts.hideTimeout);
			},
			popupShow: function(left, top) {
				if (!this.opts.isPopup) {
					alert('SmartMenus jQuery Error:\n\nIf you want to show this menu via the "popupShow" method, set the isPopup:true option.');
					return;
				}
				if (this.hideTimeout) {
					clearTimeout(this.hideTimeout);
					this.hideTimeout = 0;
				}
				this.menuFixLayout(this.$root);
				this.$root.stop(true, true);
				if (!this.$root.is(':visible')) {
					this.$root.css({ left: left, top: top });
					// IE iframe shim
					this.menuIframeShim(this.$root);
					if (this.$root.dataSM('ie-shim')) {
						this.$root.dataSM('ie-shim').css({ zIndex: this.$root.css('z-index'), width: this.getWidth(this.$root), height: this.getHeight(this.$root), left: left, top: top }).insertBefore(this.$root);
					}
					// show menu
					if (this.opts.showFunction) {
						this.opts.showFunction.call(this, this.$root);
					} else {
						this.$root.show(this.opts.showDuration);
					}
					this.visibleSubMenus[0] = this.$root;
				}
			},
			refresh: function() {
				this.menuHideAll();
				this.$root.find('ul').each(function() {
						var $this = $(this);
						if ($this.dataSM('scroll-arrows')) {
							$this.dataSM('scroll-arrows').remove();
						}
					})
					.removeDataSM('in-mega')
					.removeDataSM('shown-before')
					.removeDataSM('ie-shim')
					.removeDataSM('scroll-arrows')
					.removeDataSM('parent-a')
					.removeDataSM('level')
					.removeDataSM('beforefirstshowfired');
				this.$root.find('a.has-submenu').removeClass('has-submenu')
					.parent().removeDataSM('sub');
				if (this.opts.subIndicators) {
					this.$root.find('span.sub-arrow').remove();
				}
				if (this.opts.markCurrentItem) {
					this.$root.find('a.current').removeClass('current');
				}
				this.subMenus = [];
				this.init(true);
			},
			rootOut: function(e) {
				if (!this.handleEvents() || this.isTouchMode() || e.target == this.$root[0]) {
					return;
				}
				if (this.hideTimeout) {
					clearTimeout(this.hideTimeout);
					this.hideTimeout = 0;
				}
				if (!this.opts.showOnClick || !this.opts.hideOnClick) {
					var self = this;
					this.hideTimeout = setTimeout(function() { self.menuHideAll(); }, this.opts.hideTimeout);
				}
			},
			rootOver: function(e) {
				if (!this.handleEvents() || this.isTouchMode() || e.target == this.$root[0]) {
					return;
				}
				if (this.hideTimeout) {
					clearTimeout(this.hideTimeout);
					this.hideTimeout = 0;
				}
			},
			winResize: function(e) {
				if (!this.handleEvents()) {
					// we still need to resize the disable overlay if it's visible
					if (this.$disableOverlay) {
						var pos = this.$root.offset();
	 					this.$disableOverlay.css({
							top: pos.top,
							left: pos.left,
							width: this.$root.outerWidth(),
							height: this.$root.outerHeight()
						});
					}
					return;
				}
				// hide sub menus on resize - on mobile do it only on orientation change
				if (!this.isCollapsible() && (!('onorientationchange' in window) || e.type == 'orientationchange')) {
					if (this.activatedItems.length) {
						this.activatedItems[this.activatedItems.length - 1][0].blur();
					}
					this.menuHideAll();
				}
			}
		}
	});

	$.fn.dataSM = function(key, val) {
		if (val) {
			return this.data(key + '_smartmenus', val);
		}
		return this.data(key + '_smartmenus');
	}

	$.fn.removeDataSM = function(key) {
		return this.removeData(key + '_smartmenus');
	}

	$.fn.smartmenus = function(options) {
		if (typeof options == 'string') {
			var args = arguments,
				method = options;
			Array.prototype.shift.call(args);
			return this.each(function() {
				var smartmenus = $(this).data('smartmenus');
				if (smartmenus && smartmenus[method]) {
					smartmenus[method].apply(smartmenus, args);
				}
			});
		}
		var opts = $.extend({}, $.fn.smartmenus.defaults, options);
		return this.each(function() {
			new $.SmartMenus(this, opts);
		});
	}

	// default settings
	$.fn.smartmenus.defaults = {
		isPopup:		false,		// is this a popup menu (can be shown via the popupShow/popupHide methods) or a permanent menu bar
		mainMenuSubOffsetX:	0,		// pixels offset from default position
		mainMenuSubOffsetY:	0,		// pixels offset from default position
		subMenusSubOffsetX:	0,		// pixels offset from default position
		subMenusSubOffsetY:	0,		// pixels offset from default position
		subMenusMinWidth:	'10em',		// min-width for the sub menus (any CSS unit) - if set, the fixed width set in CSS will be ignored
		subMenusMaxWidth:	'20em',		// max-width for the sub menus (any CSS unit) - if set, the fixed width set in CSS will be ignored
		subIndicators: 		true,		// create sub menu indicators - creates a SPAN and inserts it in the A
		subIndicatorsPos: 	'prepend',	// position of the SPAN relative to the menu item content ('prepend', 'append')
		subIndicatorsText:	'+',		// [optionally] add text in the SPAN (e.g. '+') (you may want to check the CSS for the sub indicators too)
		scrollStep: 		30,		// pixels step when scrolling long sub menus that do not fit in the viewport height
		scrollInterval:		30,		// interval between each scrolling step
		scrollAccelerate:	true,		// accelerate scrolling or use a fixed step
		showTimeout:		250,		// timeout before showing the sub menus
		hideTimeout:		500,		// timeout before hiding the sub menus
		showDuration:		0,		// duration for show animation - set to 0 for no animation - matters only if showFunction:null
		showFunction:		null,		// custom function to use when showing a sub menu (the default is the jQuery 'show')
							// don't forget to call complete() at the end of whatever you do
							// e.g.: function($ul, complete) { $ul.fadeIn(250, complete); }
		hideDuration:		0,		// duration for hide animation - set to 0 for no animation - matters only if hideFunction:null
		hideFunction:		function($ul, complete) { $ul.fadeOut(200, complete); },	// custom function to use when hiding a sub menu (the default is the jQuery 'hide')
							// don't forget to call complete() at the end of whatever you do
							// e.g.: function($ul, complete) { $ul.fadeOut(250, complete); }
		collapsibleShowDuration:0,		// duration for show animation for collapsible sub menus - matters only if collapsibleShowFunction:null
		collapsibleShowFunction:function($ul, complete) { $ul.slideDown(200, complete); },	// custom function to use when showing a collapsible sub menu
							// (i.e. when mobile styles are used to make the sub menus collapsible)
		collapsibleHideDuration:0,		// duration for hide animation for collapsible sub menus - matters only if collapsibleHideFunction:null
		collapsibleHideFunction:function($ul, complete) { $ul.slideUp(200, complete); },	// custom function to use when hiding a collapsible sub menu
							// (i.e. when mobile styles are used to make the sub menus collapsible)
		showOnClick:		false,		// show the first-level sub menus onclick instead of onmouseover (matters only for mouse input)
		hideOnClick:		true,		// hide the sub menus on click/tap anywhere on the page
		keepInViewport:		true,		// reposition the sub menus if needed to make sure they always appear inside the viewport
		keepHighlighted:	true,		// keep all ancestor items of the current sub menu highlighted (adds the 'highlighted' class to the A's)
		markCurrentItem:	false,		// automatically add the 'current' class to the A element of the item linking to the current URL
		markCurrentTree:	true,		// add the 'current' class also to the A elements of all ancestor items of the current item
		rightToLeftSubMenus:	false,		// right to left display of the sub menus (check the CSS for the sub indicators' position)
		bottomToTopSubMenus:	false,		// bottom to top display of the sub menus
		overlapControlsInIE:	true		// make sure sub menus appear on top of special OS controls in IE (i.e. SELECT, OBJECT, EMBED, etc.)
	};

})(jQuery);