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document.getElementsByClassName('animation-column');\n\n\n\n\n  TweenMax.staggerTo(itemHome, 0.4, {opacity: 1, delay: 0.1, ease: Sine.easeInOut},0.6);\n   TweenMax.staggerTo(barHome, 0.3, {width: \"100%\", delay: 1.1});\n    TweenMax.staggerTo(smHome, 0.3, {opacity: 1, delay: 0.2}, 0.6);\n\n  TweenMax.staggerTo(bibItem, 0.4, {opacity: 1, delay: 0.1, ease: Sine.easeInOut},0.2);\n\n\n","\t$(window).on('scroll', function(){\n    if($(window).scrollTop() > 54){\n    \t$('.logo').html('AC');\n    } else {\n    \t\t$('.logo').html('Angelo Candiano');\n  \t}\n \t});\n","/*!\n * skrollr core\n *\n * Alexander Prinzhorn - https://github.com/Prinzhorn/skrollr\n *\n * Free to use under terms of MIT license\n */\n(function(window, document, undefined) {\n\t'use strict';\n\n\t/*\n\t * Global api.\n\t */\n\tvar skrollr = {\n\t\tget: function() {\n\t\t\treturn _instance;\n\t\t},\n\t\t//Main entry point.\n\t\tinit: function(options) {\n\t\t\treturn _instance || new Skrollr(options);\n\t\t},\n\t\tVERSION: '0.6.30'\n\t};\n\n\t//Minify optimization.\n\tvar hasProp = Object.prototype.hasOwnProperty;\n\tvar Math = window.Math;\n\tvar getStyle = window.getComputedStyle;\n\n\t//They will be filled when skrollr gets initialized.\n\tvar documentElement;\n\tvar body;\n\n\tvar EVENT_TOUCHSTART = 'touchstart';\n\tvar EVENT_TOUCHMOVE = 'touchmove';\n\tvar EVENT_TOUCHCANCEL = 'touchcancel';\n\tvar EVENT_TOUCHEND = 'touchend';\n\n\tvar SKROLLABLE_CLASS = 'skrollable';\n\tvar SKROLLABLE_BEFORE_CLASS = SKROLLABLE_CLASS + '-before';\n\tvar SKROLLABLE_BETWEEN_CLASS = SKROLLABLE_CLASS + '-between';\n\tvar SKROLLABLE_AFTER_CLASS = SKROLLABLE_CLASS + '-after';\n\n\tvar SKROLLR_CLASS = 'skrollr';\n\tvar NO_SKROLLR_CLASS = 'no-' + SKROLLR_CLASS;\n\tvar SKROLLR_DESKTOP_CLASS = SKROLLR_CLASS + '-desktop';\n\tvar SKROLLR_MOBILE_CLASS = SKROLLR_CLASS + '-mobile';\n\n\tvar DEFAULT_EASING = 'linear';\n\tvar DEFAULT_DURATION = 1000;//ms\n\tvar DEFAULT_MOBILE_DECELERATION = 0.004;//pixel/ms²\n\n\tvar DEFAULT_SKROLLRBODY = 'skrollr-body';\n\n\tvar DEFAULT_SMOOTH_SCROLLING_DURATION = 200;//ms\n\n\tvar ANCHOR_START = 'start';\n\tvar ANCHOR_END = 'end';\n\tvar ANCHOR_CENTER = 'center';\n\tvar ANCHOR_BOTTOM = 'bottom';\n\n\t//The property which will be added to the DOM element to hold the ID of the skrollable.\n\tvar SKROLLABLE_ID_DOM_PROPERTY = '___skrollable_id';\n\n\tvar rxTouchIgnoreTags = /^(?:input|textarea|button|select)$/i;\n\n\tvar rxTrim = /^\\s+|\\s+$/g;\n\n\t//Find all data-attributes. data-[_constant]-[offset]-[anchor]-[anchor].\n\tvar rxKeyframeAttribute = /^data(?:-(_\\w+))?(?:-?(-?\\d*\\.?\\d+p?))?(?:-?(start|end|top|center|bottom))?(?:-?(top|center|bottom))?$/;\n\n\tvar rxPropValue = /\\s*(@?[\\w\\-\\[\\]]+)\\s*:\\s*(.+?)\\s*(?:;|$)/gi;\n\n\t//Easing function names follow the property in square brackets.\n\tvar rxPropEasing = /^(@?[a-z\\-]+)\\[(\\w+)\\]$/;\n\n\tvar rxCamelCase = /-([a-z0-9_])/g;\n\tvar rxCamelCaseFn = function(str, letter) {\n\t\treturn letter.toUpperCase();\n\t};\n\n\t//Numeric values with optional sign.\n\tvar rxNumericValue = /[\\-+]?[\\d]*\\.?[\\d]+/g;\n\n\t//Used to replace occurences of {?} with a number.\n\tvar rxInterpolateString = /\\{\\?\\}/g;\n\n\t//Finds rgb(a) colors, which don't use the percentage notation.\n\tvar rxRGBAIntegerColor = /rgba?\\(\\s*-?\\d+\\s*,\\s*-?\\d+\\s*,\\s*-?\\d+/g;\n\n\t//Finds all gradients.\n\tvar rxGradient = /[a-z\\-]+-gradient/g;\n\n\t//Vendor prefix. Will be set once skrollr gets initialized.\n\tvar theCSSPrefix = '';\n\tvar theDashedCSSPrefix = '';\n\n\t//Will be called once (when skrollr gets initialized).\n\tvar detectCSSPrefix = function() {\n\t\t//Only relevant prefixes. May be extended.\n\t\t//Could be dangerous if there will ever be a CSS property which actually starts with \"ms\". Don't hope so.\n\t\tvar rxPrefixes = /^(?:O|Moz|webkit|ms)|(?:-(?:o|moz|webkit|ms)-)/;\n\n\t\t//Detect prefix for current browser by finding the first property using a prefix.\n\t\tif(!getStyle) {\n\t\t\treturn;\n\t\t}\n\n\t\tvar style = getStyle(body, null);\n\n\t\tfor(var k in style) {\n\t\t\t//We check the key and if the key is a number, we check the value as well, because safari's getComputedStyle returns some weird array-like thingy.\n\t\t\ttheCSSPrefix = (k.match(rxPrefixes) || (+k == k && style[k].match(rxPrefixes)));\n\n\t\t\tif(theCSSPrefix) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\n\t\t//Did we even detect a prefix?\n\t\tif(!theCSSPrefix) {\n\t\t\ttheCSSPrefix = theDashedCSSPrefix = '';\n\n\t\t\treturn;\n\t\t}\n\n\t\ttheCSSPrefix = theCSSPrefix[0];\n\n\t\t//We could have detected either a dashed prefix or this camelCaseish-inconsistent stuff.\n\t\tif(theCSSPrefix.slice(0,1) === '-') {\n\t\t\ttheDashedCSSPrefix = theCSSPrefix;\n\n\t\t\t//There's no logic behind these. Need a look up.\n\t\t\ttheCSSPrefix = ({\n\t\t\t\t'-webkit-': 'webkit',\n\t\t\t\t'-moz-': 'Moz',\n\t\t\t\t'-ms-': 'ms',\n\t\t\t\t'-o-': 'O'\n\t\t\t})[theCSSPrefix];\n\t\t} else {\n\t\t\ttheDashedCSSPrefix = '-' + theCSSPrefix.toLowerCase() + '-';\n\t\t}\n\t};\n\n\tvar polyfillRAF = function() {\n\t\tvar requestAnimFrame = window.requestAnimationFrame || window[theCSSPrefix.toLowerCase() + 'RequestAnimationFrame'];\n\n\t\tvar lastTime = _now();\n\n\t\tif(_isMobile || !requestAnimFrame) {\n\t\t\trequestAnimFrame = function(callback) {\n\t\t\t\t//How long did it take to render?\n\t\t\t\tvar deltaTime = _now() - lastTime;\n\t\t\t\tvar delay = Math.max(0, 1000 / 60 - deltaTime);\n\n\t\t\t\treturn window.setTimeout(function() {\n\t\t\t\t\tlastTime = _now();\n\t\t\t\t\tcallback();\n\t\t\t\t}, delay);\n\t\t\t};\n\t\t}\n\n\t\treturn requestAnimFrame;\n\t};\n\n\tvar polyfillCAF = function() {\n\t\tvar cancelAnimFrame = window.cancelAnimationFrame || window[theCSSPrefix.toLowerCase() + 'CancelAnimationFrame'];\n\n\t\tif(_isMobile || !cancelAnimFrame) {\n\t\t\tcancelAnimFrame = function(timeout) {\n\t\t\t\treturn window.clearTimeout(timeout);\n\t\t\t};\n\t\t}\n\n\t\treturn cancelAnimFrame;\n\t};\n\n\t//Built-in easing functions.\n\tvar easings = {\n\t\tbegin: function() {\n\t\t\treturn 0;\n\t\t},\n\t\tend: function() {\n\t\t\treturn 1;\n\t\t},\n\t\tlinear: function(p) {\n\t\t\treturn p;\n\t\t},\n\t\tquadratic: function(p) {\n\t\t\treturn p * p;\n\t\t},\n\t\tcubic: function(p) {\n\t\t\treturn p * p * p;\n\t\t},\n\t\tswing: function(p) {\n\t\t\treturn (-Math.cos(p * Math.PI) / 2) + 0.5;\n\t\t},\n\t\tsqrt: function(p) {\n\t\t\treturn Math.sqrt(p);\n\t\t},\n\t\toutCubic: function(p) {\n\t\t\treturn (Math.pow((p - 1), 3) + 1);\n\t\t},\n\t\t//see https://www.desmos.com/calculator/tbr20s8vd2 for how I did this\n\t\tbounce: function(p) {\n\t\t\tvar a;\n\n\t\t\tif(p <= 0.5083) {\n\t\t\t\ta = 3;\n\t\t\t} else if(p <= 0.8489) {\n\t\t\t\ta = 9;\n\t\t\t} else if(p <= 0.96208) {\n\t\t\t\ta = 27;\n\t\t\t} else if(p <= 0.99981) {\n\t\t\t\ta = 91;\n\t\t\t} else {\n\t\t\t\treturn 1;\n\t\t\t}\n\n\t\t\treturn 1 - Math.abs(3 * Math.cos(p * a * 1.028) / a);\n\t\t}\n\t};\n\n\t/**\n\t * Constructor.\n\t */\n\tfunction Skrollr(options) {\n\t\tdocumentElement = document.documentElement;\n\t\tbody = document.body;\n\n\t\tdetectCSSPrefix();\n\n\t\t_instance = this;\n\n\t\toptions = options || {};\n\n\t\t_constants = options.constants || {};\n\n\t\t//We allow defining custom easings or overwrite existing.\n\t\tif(options.easing) {\n\t\t\tfor(var e in options.easing) {\n\t\t\t\teasings[e] = options.easing[e];\n\t\t\t}\n\t\t}\n\n\t\t_edgeStrategy = options.edgeStrategy || 'set';\n\n\t\t_listeners = {\n\t\t\t//Function to be called right before rendering.\n\t\t\tbeforerender: options.beforerender,\n\n\t\t\t//Function to be called right after finishing rendering.\n\t\t\trender: options.render,\n\n\t\t\t//Function to be called whenever an element with the `data-emit-events` attribute passes a keyframe.\n\t\t\tkeyframe: options.keyframe\n\t\t};\n\n\t\t//forceHeight is true by default\n\t\t_forceHeight = options.forceHeight !== false;\n\n\t\tif(_forceHeight) {\n\t\t\t_scale = options.scale || 1;\n\t\t}\n\n\t\t_mobileDeceleration = options.mobileDeceleration || DEFAULT_MOBILE_DECELERATION;\n\n\t\t_smoothScrollingEnabled = options.smoothScrolling !== false;\n\t\t_smoothScrollingDuration = options.smoothScrollingDuration || DEFAULT_SMOOTH_SCROLLING_DURATION;\n\n\t\t//Dummy object. Will be overwritten in the _render method when smooth scrolling is calculated.\n\t\t_smoothScrolling = {\n\t\t\ttargetTop: _instance.getScrollTop()\n\t\t};\n\n\t\t//A custom check function may be passed.\n\t\t_isMobile = ((options.mobileCheck || function() {\n\t\t\treturn (/Android|iPhone|iPad|iPod|BlackBerry/i).test(navigator.userAgent || navigator.vendor || window.opera);\n\t\t})());\n\n\t\tif(_isMobile) {\n\t\t\t_skrollrBody = document.getElementById(options.skrollrBody || DEFAULT_SKROLLRBODY);\n\n\t\t\t//Detect 3d transform if there's a skrollr-body (only needed for #skrollr-body).\n\t\t\tif(_skrollrBody) {\n\t\t\t\t_detect3DTransforms();\n\t\t\t}\n\n\t\t\t_initMobile();\n\t\t\t_updateClass(documentElement, [SKROLLR_CLASS, SKROLLR_MOBILE_CLASS], [NO_SKROLLR_CLASS]);\n\t\t} else {\n\t\t\t_updateClass(documentElement, [SKROLLR_CLASS, SKROLLR_DESKTOP_CLASS], [NO_SKROLLR_CLASS]);\n\t\t}\n\n\t\t//Triggers parsing of elements and a first reflow.\n\t\t_instance.refresh();\n\n\t\t_addEvent(window, 'resize orientationchange', function() {\n\t\t\tvar width = documentElement.clientWidth;\n\t\t\tvar height = documentElement.clientHeight;\n\n\t\t\t//Only reflow if the size actually changed (#271).\n\t\t\tif(height !== _lastViewportHeight || width !== _lastViewportWidth) {\n\t\t\t\t_lastViewportHeight = height;\n\t\t\t\t_lastViewportWidth = width;\n\n\t\t\t\t_requestReflow = true;\n\t\t\t}\n\t\t});\n\n\t\tvar requestAnimFrame = polyfillRAF();\n\n\t\t//Let's go.\n\t\t(function animloop(){\n\t\t\t_render();\n\t\t\t_animFrame = requestAnimFrame(animloop);\n\t\t}());\n\n\t\treturn _instance;\n\t}\n\n\t/**\n\t * (Re)parses some or all elements.\n\t */\n\tSkrollr.prototype.refresh = function(elements) {\n\t\tvar elementIndex;\n\t\tvar elementsLength;\n\t\tvar ignoreID = false;\n\n\t\t//Completely reparse anything without argument.\n\t\tif(elements === undefined) {\n\t\t\t//Ignore that some elements may already have a skrollable ID.\n\t\t\tignoreID = true;\n\n\t\t\t_skrollables = [];\n\t\t\t_skrollableIdCounter = 0;\n\n\t\t\telements = document.getElementsByTagName('*');\n\t\t} else if(elements.length === undefined) {\n\t\t\t//We also accept a single element as parameter.\n\t\t\telements = [elements];\n\t\t}\n\n\t\telementIndex = 0;\n\t\telementsLength = elements.length;\n\n\t\tfor(; elementIndex < elementsLength; elementIndex++) {\n\t\t\tvar el = elements[elementIndex];\n\t\t\tvar anchorTarget = el;\n\t\t\tvar keyFrames = [];\n\n\t\t\t//If this particular element should be smooth scrolled.\n\t\t\tvar smoothScrollThis = _smoothScrollingEnabled;\n\n\t\t\t//The edge strategy for this particular element.\n\t\t\tvar edgeStrategy = _edgeStrategy;\n\n\t\t\t//If this particular element should emit keyframe events.\n\t\t\tvar emitEvents = false;\n\n\t\t\t//If we're reseting the counter, remove any old element ids that may be hanging around.\n\t\t\tif(ignoreID && SKROLLABLE_ID_DOM_PROPERTY in el) {\n\t\t\t\tdelete el[SKROLLABLE_ID_DOM_PROPERTY];\n\t\t\t}\n\n\t\t\tif(!el.attributes) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t//Iterate over all attributes and search for key frame attributes.\n\t\t\tvar attributeIndex = 0;\n\t\t\tvar attributesLength = el.attributes.length;\n\n\t\t\tfor (; attributeIndex < attributesLength; attributeIndex++) {\n\t\t\t\tvar attr = el.attributes[attributeIndex];\n\n\t\t\t\tif(attr.name === 'data-anchor-target') {\n\t\t\t\t\tanchorTarget = document.querySelector(attr.value);\n\n\t\t\t\t\tif(anchorTarget === null) {\n\t\t\t\t\t\tthrow 'Unable to find anchor target \"' + attr.value + '\"';\n\t\t\t\t\t}\n\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\t//Global smooth scrolling can be overridden by the element attribute.\n\t\t\t\tif(attr.name === 'data-smooth-scrolling') {\n\t\t\t\t\tsmoothScrollThis = attr.value !== 'off';\n\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\t//Global edge strategy can be overridden by the element attribute.\n\t\t\t\tif(attr.name === 'data-edge-strategy') {\n\t\t\t\t\tedgeStrategy = attr.value;\n\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\t//Is this element tagged with the `data-emit-events` attribute?\n\t\t\t\tif(attr.name === 'data-emit-events') {\n\t\t\t\t\temitEvents = true;\n\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\tvar match = attr.name.match(rxKeyframeAttribute);\n\n\t\t\t\tif(match === null) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\tvar kf = {\n\t\t\t\t\tprops: attr.value,\n\t\t\t\t\t//Point back to the element as well.\n\t\t\t\t\telement: el,\n\t\t\t\t\t//The name of the event which this keyframe will fire, if emitEvents is\n\t\t\t\t\teventType: attr.name.replace(rxCamelCase, rxCamelCaseFn)\n\t\t\t\t};\n\n\t\t\t\tkeyFrames.push(kf);\n\n\t\t\t\tvar constant = match[1];\n\n\t\t\t\tif(constant) {\n\t\t\t\t\t//Strip the underscore prefix.\n\t\t\t\t\tkf.constant = constant.substr(1);\n\t\t\t\t}\n\n\t\t\t\t//Get the key frame offset.\n\t\t\t\tvar offset = match[2];\n\n\t\t\t\t//Is it a percentage offset?\n\t\t\t\tif(/p$/.test(offset)) {\n\t\t\t\t\tkf.isPercentage = true;\n\t\t\t\t\tkf.offset = (offset.slice(0, -1) | 0) / 100;\n\t\t\t\t} else {\n\t\t\t\t\tkf.offset = (offset | 0);\n\t\t\t\t}\n\n\t\t\t\tvar anchor1 = match[3];\n\n\t\t\t\t//If second anchor is not set, the first will be taken for both.\n\t\t\t\tvar anchor2 = match[4] || anchor1;\n\n\t\t\t\t//\"absolute\" (or \"classic\") mode, where numbers mean absolute scroll offset.\n\t\t\t\tif(!anchor1 || anchor1 === ANCHOR_START || anchor1 === ANCHOR_END) {\n\t\t\t\t\tkf.mode = 'absolute';\n\n\t\t\t\t\t//data-end needs to be calculated after all key frames are known.\n\t\t\t\t\tif(anchor1 === ANCHOR_END) {\n\t\t\t\t\t\tkf.isEnd = true;\n\t\t\t\t\t} else if(!kf.isPercentage) {\n\t\t\t\t\t\t//For data-start we can already set the key frame w/o calculations.\n\t\t\t\t\t\t//#59: \"scale\" options should only affect absolute mode.\n\t\t\t\t\t\tkf.offset = kf.offset * _scale;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t//\"relative\" mode, where numbers are relative to anchors.\n\t\t\t\telse {\n\t\t\t\t\tkf.mode = 'relative';\n\t\t\t\t\tkf.anchors = [anchor1, anchor2];\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t//Does this element have key frames?\n\t\t\tif(!keyFrames.length) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t//Will hold the original style and class attributes before we controlled the element (see #80).\n\t\t\tvar styleAttr, classAttr;\n\n\t\t\tvar id;\n\n\t\t\tif(!ignoreID && SKROLLABLE_ID_DOM_PROPERTY in el) {\n\t\t\t\t//We already have this element under control. Grab the corresponding skrollable id.\n\t\t\t\tid = el[SKROLLABLE_ID_DOM_PROPERTY];\n\t\t\t\tstyleAttr = _skrollables[id].styleAttr;\n\t\t\t\tclassAttr = _skrollables[id].classAttr;\n\t\t\t} else {\n\t\t\t\t//It's an unknown element. Asign it a new skrollable id.\n\t\t\t\tid = (el[SKROLLABLE_ID_DOM_PROPERTY] = _skrollableIdCounter++);\n\t\t\t\tstyleAttr = el.style.cssText;\n\t\t\t\tclassAttr = _getClass(el);\n\t\t\t}\n\n\t\t\t_skrollables[id] = {\n\t\t\t\telement: el,\n\t\t\t\tstyleAttr: styleAttr,\n\t\t\t\tclassAttr: classAttr,\n\t\t\t\tanchorTarget: anchorTarget,\n\t\t\t\tkeyFrames: keyFrames,\n\t\t\t\tsmoothScrolling: smoothScrollThis,\n\t\t\t\tedgeStrategy: edgeStrategy,\n\t\t\t\temitEvents: emitEvents,\n\t\t\t\tlastFrameIndex: -1\n\t\t\t};\n\n\t\t\t_updateClass(el, [SKROLLABLE_CLASS], []);\n\t\t}\n\n\t\t//Reflow for the first time.\n\t\t_reflow();\n\n\t\t//Now that we got all key frame numbers right, actually parse the properties.\n\t\telementIndex = 0;\n\t\telementsLength = elements.length;\n\n\t\tfor(; elementIndex < elementsLength; elementIndex++) {\n\t\t\tvar sk = _skrollables[elements[elementIndex][SKROLLABLE_ID_DOM_PROPERTY]];\n\n\t\t\tif(sk === undefined) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t//Parse the property string to objects\n\t\t\t_parseProps(sk);\n\n\t\t\t//Fill key frames with missing properties from left and right\n\t\t\t_fillProps(sk);\n\t\t}\n\n\t\treturn _instance;\n\t};\n\n\t/**\n\t * Transform \"relative\" mode to \"absolute\" mode.\n\t * That is, calculate anchor position and offset of element.\n\t */\n\tSkrollr.prototype.relativeToAbsolute = function(element, viewportAnchor, elementAnchor) {\n\t\tvar viewportHeight = documentElement.clientHeight;\n\t\tvar box = element.getBoundingClientRect();\n\t\tvar absolute = box.top;\n\n\t\t//#100: IE doesn't supply \"height\" with getBoundingClientRect.\n\t\tvar boxHeight = box.bottom - box.top;\n\n\t\tif(viewportAnchor === ANCHOR_BOTTOM) {\n\t\t\tabsolute -= viewportHeight;\n\t\t} else if(viewportAnchor === ANCHOR_CENTER) {\n\t\t\tabsolute -= viewportHeight / 2;\n\t\t}\n\n\t\tif(elementAnchor === ANCHOR_BOTTOM) {\n\t\t\tabsolute += boxHeight;\n\t\t} else if(elementAnchor === ANCHOR_CENTER) {\n\t\t\tabsolute += boxHeight / 2;\n\t\t}\n\n\t\t//Compensate scrolling since getBoundingClientRect is relative to viewport.\n\t\tabsolute += _instance.getScrollTop();\n\n\t\treturn (absolute + 0.5) | 0;\n\t};\n\n\t/**\n\t * Animates scroll top to new position.\n\t */\n\tSkrollr.prototype.animateTo = function(top, options) {\n\t\toptions = options || {};\n\n\t\tvar now = _now();\n\t\tvar scrollTop = _instance.getScrollTop();\n\t\tvar duration = options.duration === undefined ? DEFAULT_DURATION : options.duration;\n\n\t\t//Setting this to a new value will automatically cause the current animation to stop, if any.\n\t\t_scrollAnimation = {\n\t\t\tstartTop: scrollTop,\n\t\t\ttopDiff: top - scrollTop,\n\t\t\ttargetTop: top,\n\t\t\tduration: duration,\n\t\t\tstartTime: now,\n\t\t\tendTime: now + duration,\n\t\t\teasing: easings[options.easing || DEFAULT_EASING],\n\t\t\tdone: options.done\n\t\t};\n\n\t\t//Don't queue the animation if there's nothing to animate.\n\t\tif(!_scrollAnimation.topDiff) {\n\t\t\tif(_scrollAnimation.done) {\n\t\t\t\t_scrollAnimation.done.call(_instance, false);\n\t\t\t}\n\n\t\t\t_scrollAnimation = undefined;\n\t\t}\n\n\t\treturn _instance;\n\t};\n\n\t/**\n\t * Stops animateTo animation.\n\t */\n\tSkrollr.prototype.stopAnimateTo = function() {\n\t\tif(_scrollAnimation && _scrollAnimation.done) {\n\t\t\t_scrollAnimation.done.call(_instance, true);\n\t\t}\n\n\t\t_scrollAnimation = undefined;\n\t};\n\n\t/**\n\t * Returns if an animation caused by animateTo is currently running.\n\t */\n\tSkrollr.prototype.isAnimatingTo = function() {\n\t\treturn !!_scrollAnimation;\n\t};\n\n\tSkrollr.prototype.isMobile = function() {\n\t\treturn _isMobile;\n\t};\n\n\tSkrollr.prototype.setScrollTop = function(top, force) {\n\t\t_forceRender = (force === true);\n\n\t\tif(_isMobile) {\n\t\t\t_mobileOffset = Math.min(Math.max(top, 0), _maxKeyFrame);\n\t\t} else {\n\t\t\twindow.scrollTo(0, top);\n\t\t}\n\n\t\treturn _instance;\n\t};\n\n\tSkrollr.prototype.getScrollTop = function() {\n\t\tif(_isMobile) {\n\t\t\treturn _mobileOffset;\n\t\t} else {\n\t\t\treturn window.pageYOffset || documentElement.scrollTop || body.scrollTop || 0;\n\t\t}\n\t};\n\n\tSkrollr.prototype.getMaxScrollTop = function() {\n\t\treturn _maxKeyFrame;\n\t};\n\n\tSkrollr.prototype.on = function(name, fn) {\n\t\t_listeners[name] = fn;\n\n\t\treturn _instance;\n\t};\n\n\tSkrollr.prototype.off = function(name) {\n\t\tdelete _listeners[name];\n\n\t\treturn _instance;\n\t};\n\n\tSkrollr.prototype.destroy = function() {\n\t\tvar cancelAnimFrame = polyfillCAF();\n\t\tcancelAnimFrame(_animFrame);\n\t\t_removeAllEvents();\n\n\t\t_updateClass(documentElement, [NO_SKROLLR_CLASS], [SKROLLR_CLASS, SKROLLR_DESKTOP_CLASS, SKROLLR_MOBILE_CLASS]);\n\n\t\tvar skrollableIndex = 0;\n\t\tvar skrollablesLength = _skrollables.length;\n\n\t\tfor(; skrollableIndex < skrollablesLength; skrollableIndex++) {\n\t\t\t_reset(_skrollables[skrollableIndex].element);\n\t\t}\n\n\t\tdocumentElement.style.overflow = body.style.overflow = '';\n\t\tdocumentElement.style.height = body.style.height = '';\n\n\t\tif(_skrollrBody) {\n\t\t\tskrollr.setStyle(_skrollrBody, 'transform', 'none');\n\t\t}\n\n\t\t_instance = undefined;\n\t\t_skrollrBody = undefined;\n\t\t_listeners = undefined;\n\t\t_forceHeight = undefined;\n\t\t_maxKeyFrame = 0;\n\t\t_scale = 1;\n\t\t_constants = undefined;\n\t\t_mobileDeceleration = undefined;\n\t\t_direction = 'down';\n\t\t_lastTop = -1;\n\t\t_lastViewportWidth = 0;\n\t\t_lastViewportHeight = 0;\n\t\t_requestReflow = false;\n\t\t_scrollAnimation = undefined;\n\t\t_smoothScrollingEnabled = undefined;\n\t\t_smoothScrollingDuration = undefined;\n\t\t_smoothScrolling = undefined;\n\t\t_forceRender = undefined;\n\t\t_skrollableIdCounter = 0;\n\t\t_edgeStrategy = undefined;\n\t\t_isMobile = false;\n\t\t_mobileOffset = 0;\n\t\t_translateZ = undefined;\n\t};\n\n\t/*\n\t\tPrivate methods.\n\t*/\n\n\tvar _initMobile = function() {\n\t\tvar initialElement;\n\t\tvar initialTouchY;\n\t\tvar initialTouchX;\n\t\tvar currentElement;\n\t\tvar currentTouchY;\n\t\tvar currentTouchX;\n\t\tvar lastTouchY;\n\t\tvar deltaY;\n\n\t\tvar initialTouchTime;\n\t\tvar currentTouchTime;\n\t\tvar lastTouchTime;\n\t\tvar deltaTime;\n\n\t\t_addEvent(documentElement, [EVENT_TOUCHSTART, EVENT_TOUCHMOVE, EVENT_TOUCHCANCEL, EVENT_TOUCHEND].join(' '), function(e) {\n\t\t\tvar touch = e.changedTouches[0];\n\n\t\t\tcurrentElement = e.target;\n\n\t\t\t//We don't want text nodes.\n\t\t\twhile(currentElement.nodeType === 3) {\n\t\t\t\tcurrentElement = currentElement.parentNode;\n\t\t\t}\n\n\t\t\tcurrentTouchY = touch.clientY;\n\t\t\tcurrentTouchX = touch.clientX;\n\t\t\tcurrentTouchTime = e.timeStamp;\n\n\t\t\tif(!rxTouchIgnoreTags.test(currentElement.tagName)) {\n\t\t\t\te.preventDefault();\n\t\t\t}\n\n\t\t\tswitch(e.type) {\n\t\t\t\tcase EVENT_TOUCHSTART:\n\t\t\t\t\t//The last element we tapped on.\n\t\t\t\t\tif(initialElement) {\n\t\t\t\t\t\tinitialElement.blur();\n\t\t\t\t\t}\n\n\t\t\t\t\t_instance.stopAnimateTo();\n\n\t\t\t\t\tinitialElement = currentElement;\n\n\t\t\t\t\tinitialTouchY = lastTouchY = currentTouchY;\n\t\t\t\t\tinitialTouchX = currentTouchX;\n\t\t\t\t\tinitialTouchTime = currentTouchTime;\n\n\t\t\t\t\tbreak;\n\t\t\t\tcase EVENT_TOUCHMOVE:\n\t\t\t\t\t//Prevent default event on touchIgnore elements in case they don't have focus yet.\n\t\t\t\t\tif(rxTouchIgnoreTags.test(currentElement.tagName) && document.activeElement !== currentElement) {\n\t\t\t\t\t\te.preventDefault();\n\t\t\t\t\t}\n\n\t\t\t\t\tdeltaY = currentTouchY - lastTouchY;\n\t\t\t\t\tdeltaTime = currentTouchTime - lastTouchTime;\n\n\t\t\t\t\t_instance.setScrollTop(_mobileOffset - deltaY, true);\n\n\t\t\t\t\tlastTouchY = currentTouchY;\n\t\t\t\t\tlastTouchTime = currentTouchTime;\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\tcase EVENT_TOUCHCANCEL:\n\t\t\t\tcase EVENT_TOUCHEND:\n\t\t\t\t\tvar distanceY = initialTouchY - currentTouchY;\n\t\t\t\t\tvar distanceX = initialTouchX - currentTouchX;\n\t\t\t\t\tvar distance2 = distanceX * distanceX + distanceY * distanceY;\n\n\t\t\t\t\t//Check if it was more like a tap (moved less than 7px).\n\t\t\t\t\tif(distance2 < 49) {\n\t\t\t\t\t\tif(!rxTouchIgnoreTags.test(initialElement.tagName)) {\n\t\t\t\t\t\t\tinitialElement.focus();\n\n\t\t\t\t\t\t\t//It was a tap, click the element.\n\t\t\t\t\t\t\tvar clickEvent = document.createEvent('MouseEvents');\n\t\t\t\t\t\t\tclickEvent.initMouseEvent('click', true, true, e.view, 1, touch.screenX, touch.screenY, touch.clientX, touch.clientY, e.ctrlKey, e.altKey, e.shiftKey, e.metaKey, 0, null);\n\t\t\t\t\t\t\tinitialElement.dispatchEvent(clickEvent);\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\treturn;\n\t\t\t\t\t}\n\n\t\t\t\t\tinitialElement = undefined;\n\n\t\t\t\t\tvar speed = deltaY / deltaTime;\n\n\t\t\t\t\t//Cap speed at 3 pixel/ms.\n\t\t\t\t\tspeed = Math.max(Math.min(speed, 3), -3);\n\n\t\t\t\t\tvar duration = Math.abs(speed / _mobileDeceleration);\n\t\t\t\t\tvar targetOffset = speed * duration + 0.5 * _mobileDeceleration * duration * duration;\n\t\t\t\t\tvar targetTop = _instance.getScrollTop() - targetOffset;\n\n\t\t\t\t\t//Relative duration change for when scrolling above bounds.\n\t\t\t\t\tvar targetRatio = 0;\n\n\t\t\t\t\t//Change duration proportionally when scrolling would leave bounds.\n\t\t\t\t\tif(targetTop > _maxKeyFrame) {\n\t\t\t\t\t\ttargetRatio = (_maxKeyFrame - targetTop) / targetOffset;\n\n\t\t\t\t\t\ttargetTop = _maxKeyFrame;\n\t\t\t\t\t} else if(targetTop < 0) {\n\t\t\t\t\t\ttargetRatio = -targetTop / targetOffset;\n\n\t\t\t\t\t\ttargetTop = 0;\n\t\t\t\t\t}\n\n\t\t\t\t\tduration = duration * (1 - targetRatio);\n\n\t\t\t\t\t_instance.animateTo((targetTop + 0.5) | 0, {easing: 'outCubic', duration: duration});\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t});\n\n\t\t//Just in case there has already been some native scrolling, reset it.\n\t\twindow.scrollTo(0, 0);\n\t\tdocumentElement.style.overflow = body.style.overflow = 'hidden';\n\t};\n\n\t/**\n\t * Updates key frames which depend on others / need to be updated on resize.\n\t * That is \"end\" in \"absolute\" mode and all key frames in \"relative\" mode.\n\t * Also handles constants, because they may change on resize.\n\t */\n\tvar _updateDependentKeyFrames = function() {\n\t\tvar viewportHeight = documentElement.clientHeight;\n\t\tvar processedConstants = _processConstants();\n\t\tvar skrollable;\n\t\tvar element;\n\t\tvar anchorTarget;\n\t\tvar keyFrames;\n\t\tvar keyFrameIndex;\n\t\tvar keyFramesLength;\n\t\tvar kf;\n\t\tvar skrollableIndex;\n\t\tvar skrollablesLength;\n\t\tvar offset;\n\t\tvar constantValue;\n\n\t\t//First process all relative-mode elements and find the max key frame.\n\t\tskrollableIndex = 0;\n\t\tskrollablesLength = _skrollables.length;\n\n\t\tfor(; skrollableIndex < skrollablesLength; skrollableIndex++) {\n\t\t\tskrollable = _skrollables[skrollableIndex];\n\t\t\telement = skrollable.element;\n\t\t\tanchorTarget = skrollable.anchorTarget;\n\t\t\tkeyFrames = skrollable.keyFrames;\n\n\t\t\tkeyFrameIndex = 0;\n\t\t\tkeyFramesLength = keyFrames.length;\n\n\t\t\tfor(; keyFrameIndex < keyFramesLength; keyFrameIndex++) {\n\t\t\t\tkf = keyFrames[keyFrameIndex];\n\n\t\t\t\toffset = kf.offset;\n\t\t\t\tconstantValue = processedConstants[kf.constant] || 0;\n\n\t\t\t\tkf.frame = offset;\n\n\t\t\t\tif(kf.isPercentage) {\n\t\t\t\t\t//Convert the offset to percentage of the viewport height.\n\t\t\t\t\toffset = offset * viewportHeight;\n\n\t\t\t\t\t//Absolute + percentage mode.\n\t\t\t\t\tkf.frame = offset;\n\t\t\t\t}\n\n\t\t\t\tif(kf.mode === 'relative') {\n\t\t\t\t\t_reset(element);\n\n\t\t\t\t\tkf.frame = _instance.relativeToAbsolute(anchorTarget, kf.anchors[0], kf.anchors[1]) - offset;\n\n\t\t\t\t\t_reset(element, true);\n\t\t\t\t}\n\n\t\t\t\tkf.frame += constantValue;\n\n\t\t\t\t//Only search for max key frame when forceHeight is enabled.\n\t\t\t\tif(_forceHeight) {\n\t\t\t\t\t//Find the max key frame, but don't use one of the data-end ones for comparison.\n\t\t\t\t\tif(!kf.isEnd && kf.frame > _maxKeyFrame) {\n\t\t\t\t\t\t_maxKeyFrame = kf.frame;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t//#133: The document can be larger than the maxKeyFrame we found.\n\t\t_maxKeyFrame = Math.max(_maxKeyFrame, _getDocumentHeight());\n\n\t\t//Now process all data-end keyframes.\n\t\tskrollableIndex = 0;\n\t\tskrollablesLength = _skrollables.length;\n\n\t\tfor(; skrollableIndex < skrollablesLength; skrollableIndex++) {\n\t\t\tskrollable = _skrollables[skrollableIndex];\n\t\t\tkeyFrames = skrollable.keyFrames;\n\n\t\t\tkeyFrameIndex = 0;\n\t\t\tkeyFramesLength = keyFrames.length;\n\n\t\t\tfor(; keyFrameIndex < keyFramesLength; keyFrameIndex++) {\n\t\t\t\tkf = keyFrames[keyFrameIndex];\n\n\t\t\t\tconstantValue = processedConstants[kf.constant] || 0;\n\n\t\t\t\tif(kf.isEnd) {\n\t\t\t\t\tkf.frame = _maxKeyFrame - kf.offset + constantValue;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tskrollable.keyFrames.sort(_keyFrameComparator);\n\t\t}\n\t};\n\n\t/**\n\t * Calculates and sets the style properties for the element at the given frame.\n\t * @param fakeFrame The frame to render at when smooth scrolling is enabled.\n\t * @param actualFrame The actual frame we are at.\n\t */\n\tvar _calcSteps = function(fakeFrame, actualFrame) {\n\t\t//Iterate over all skrollables.\n\t\tvar skrollableIndex = 0;\n\t\tvar skrollablesLength = _skrollables.length;\n\n\t\tfor(; skrollableIndex < skrollablesLength; skrollableIndex++) {\n\t\t\tvar skrollable = _skrollables[skrollableIndex];\n\t\t\tvar element = skrollable.element;\n\t\t\tvar frame = skrollable.smoothScrolling ? fakeFrame : actualFrame;\n\t\t\tvar frames = skrollable.keyFrames;\n\t\t\tvar framesLength = frames.length;\n\t\t\tvar firstFrame = frames[0];\n\t\t\tvar lastFrame = frames[frames.length - 1];\n\t\t\tvar beforeFirst = frame < firstFrame.frame;\n\t\t\tvar afterLast = frame > lastFrame.frame;\n\t\t\tvar firstOrLastFrame = beforeFirst ? firstFrame : lastFrame;\n\t\t\tvar emitEvents = skrollable.emitEvents;\n\t\t\tvar lastFrameIndex = skrollable.lastFrameIndex;\n\t\t\tvar key;\n\t\t\tvar value;\n\n\t\t\t//If we are before/after the first/last frame, set the styles according to the given edge strategy.\n\t\t\tif(beforeFirst || afterLast) {\n\t\t\t\t//Check if we already handled this edge case last time.\n\t\t\t\t//Note: using setScrollTop it's possible that we jumped from one edge to the other.\n\t\t\t\tif(beforeFirst && skrollable.edge === -1 || afterLast && skrollable.edge === 1) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\t//Add the skrollr-before or -after class.\n\t\t\t\tif(beforeFirst) {\n\t\t\t\t\t_updateClass(element, [SKROLLABLE_BEFORE_CLASS], [SKROLLABLE_AFTER_CLASS, SKROLLABLE_BETWEEN_CLASS]);\n\n\t\t\t\t\t//This handles the special case where we exit the first keyframe.\n\t\t\t\t\tif(emitEvents && lastFrameIndex > -1) {\n\t\t\t\t\t\t_emitEvent(element, firstFrame.eventType, _direction);\n\t\t\t\t\t\tskrollable.lastFrameIndex = -1;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\t_updateClass(element, [SKROLLABLE_AFTER_CLASS], [SKROLLABLE_BEFORE_CLASS, SKROLLABLE_BETWEEN_CLASS]);\n\n\t\t\t\t\t//This handles the special case where we exit the last keyframe.\n\t\t\t\t\tif(emitEvents && lastFrameIndex < framesLength) {\n\t\t\t\t\t\t_emitEvent(element, lastFrame.eventType, _direction);\n\t\t\t\t\t\tskrollable.lastFrameIndex = framesLength;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t//Remember that we handled the edge case (before/after the first/last keyframe).\n\t\t\t\tskrollable.edge = beforeFirst ? -1 : 1;\n\n\t\t\t\tswitch(skrollable.edgeStrategy) {\n\t\t\t\t\tcase 'reset':\n\t\t\t\t\t\t_reset(element);\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\tcase 'ease':\n\t\t\t\t\t\t//Handle this case like it would be exactly at first/last keyframe and just pass it on.\n\t\t\t\t\t\tframe = firstOrLastFrame.frame;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tdefault:\n\t\t\t\t\tcase 'set':\n\t\t\t\t\t\tvar props = firstOrLastFrame.props;\n\n\t\t\t\t\t\tfor(key in props) {\n\t\t\t\t\t\t\tif(hasProp.call(props, key)) {\n\t\t\t\t\t\t\t\tvalue = _interpolateString(props[key].value);\n\n\t\t\t\t\t\t\t\t//Set style or attribute.\n\t\t\t\t\t\t\t\tif(key.indexOf('@') === 0) {\n\t\t\t\t\t\t\t\t\telement.setAttribute(key.substr(1), value);\n\t\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\t\tskrollr.setStyle(element, key, value);\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\t//Did we handle an edge last time?\n\t\t\t\tif(skrollable.edge !== 0) {\n\t\t\t\t\t_updateClass(element, [SKROLLABLE_CLASS, SKROLLABLE_BETWEEN_CLASS], [SKROLLABLE_BEFORE_CLASS, SKROLLABLE_AFTER_CLASS]);\n\t\t\t\t\tskrollable.edge = 0;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t//Find out between which two key frames we are right now.\n\t\t\tvar keyFrameIndex = 0;\n\n\t\t\tfor(; keyFrameIndex < framesLength - 1; keyFrameIndex++) {\n\t\t\t\tif(frame >= frames[keyFrameIndex].frame && frame <= frames[keyFrameIndex + 1].frame) {\n\t\t\t\t\tvar left = frames[keyFrameIndex];\n\t\t\t\t\tvar right = frames[keyFrameIndex + 1];\n\n\t\t\t\t\tfor(key in left.props) {\n\t\t\t\t\t\tif(hasProp.call(left.props, key)) {\n\t\t\t\t\t\t\tvar progress = (frame - left.frame) / (right.frame - left.frame);\n\n\t\t\t\t\t\t\t//Transform the current progress using the given easing function.\n\t\t\t\t\t\t\tprogress = left.props[key].easing(progress);\n\n\t\t\t\t\t\t\t//Interpolate between the two values\n\t\t\t\t\t\t\tvalue = _calcInterpolation(left.props[key].value, right.props[key].value, progress);\n\n\t\t\t\t\t\t\tvalue = _interpolateString(value);\n\n\t\t\t\t\t\t\t//Set style or attribute.\n\t\t\t\t\t\t\tif(key.indexOf('@') === 0) {\n\t\t\t\t\t\t\t\telement.setAttribute(key.substr(1), value);\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\tskrollr.setStyle(element, key, value);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\t//Are events enabled on this element?\n\t\t\t\t\t//This code handles the usual cases of scrolling through different keyframes.\n\t\t\t\t\t//The special cases of before first and after last keyframe are handled above.\n\t\t\t\t\tif(emitEvents) {\n\t\t\t\t\t\t//Did we pass a new keyframe?\n\t\t\t\t\t\tif(lastFrameIndex !== keyFrameIndex) {\n\t\t\t\t\t\t\tif(_direction === 'down') {\n\t\t\t\t\t\t\t\t_emitEvent(element, left.eventType, _direction);\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\t_emitEvent(element, right.eventType, _direction);\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tskrollable.lastFrameIndex = keyFrameIndex;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t};\n\n\t/**\n\t * Renders all elements.\n\t */\n\tvar _render = function() {\n\t\tif(_requestReflow) {\n\t\t\t_requestReflow = false;\n\t\t\t_reflow();\n\t\t}\n\n\t\t//We may render something else than the actual scrollbar position.\n\t\tvar renderTop = _instance.getScrollTop();\n\n\t\t//If there's an animation, which ends in current render call, call the callback after rendering.\n\t\tvar afterAnimationCallback;\n\t\tvar now = _now();\n\t\tvar progress;\n\n\t\t//Before actually rendering handle the scroll animation, if any.\n\t\tif(_scrollAnimation) {\n\t\t\t//It's over\n\t\t\tif(now >= _scrollAnimation.endTime) {\n\t\t\t\trenderTop = _scrollAnimation.targetTop;\n\t\t\t\tafterAnimationCallback = _scrollAnimation.done;\n\t\t\t\t_scrollAnimation = undefined;\n\t\t\t} else {\n\t\t\t\t//Map the current progress to the new progress using given easing function.\n\t\t\t\tprogress = _scrollAnimation.easing((now - _scrollAnimation.startTime) / _scrollAnimation.duration);\n\n\t\t\t\trenderTop = (_scrollAnimation.startTop + progress * _scrollAnimation.topDiff) | 0;\n\t\t\t}\n\n\t\t\t_instance.setScrollTop(renderTop, true);\n\t\t}\n\t\t//Smooth scrolling only if there's no animation running and if we're not forcing the rendering.\n\t\telse if(!_forceRender) {\n\t\t\tvar smoothScrollingDiff = _smoothScrolling.targetTop - renderTop;\n\n\t\t\t//The user scrolled, start new smooth scrolling.\n\t\t\tif(smoothScrollingDiff) {\n\t\t\t\t_smoothScrolling = {\n\t\t\t\t\tstartTop: _lastTop,\n\t\t\t\t\ttopDiff: renderTop - _lastTop,\n\t\t\t\t\ttargetTop: renderTop,\n\t\t\t\t\tstartTime: _lastRenderCall,\n\t\t\t\t\tendTime: _lastRenderCall + _smoothScrollingDuration\n\t\t\t\t};\n\t\t\t}\n\n\t\t\t//Interpolate the internal scroll position (not the actual scrollbar).\n\t\t\tif(now <= _smoothScrolling.endTime) {\n\t\t\t\t//Map the current progress to the new progress using easing function.\n\t\t\t\tprogress = easings.sqrt((now - _smoothScrolling.startTime) / _smoothScrollingDuration);\n\n\t\t\t\trenderTop = (_smoothScrolling.startTop + progress * _smoothScrolling.topDiff) | 0;\n\t\t\t}\n\t\t}\n\n\t\t//Did the scroll position even change?\n\t\tif(_forceRender || _lastTop !== renderTop) {\n\t\t\t//Remember in which direction are we scrolling?\n\t\t\t_direction = (renderTop > _lastTop) ? 'down' : (renderTop < _lastTop ? 'up' : _direction);\n\n\t\t\t_forceRender = false;\n\n\t\t\tvar listenerParams = {\n\t\t\t\tcurTop: renderTop,\n\t\t\t\tlastTop: _lastTop,\n\t\t\t\tmaxTop: _maxKeyFrame,\n\t\t\t\tdirection: _direction\n\t\t\t};\n\n\t\t\t//Tell the listener we are about to render.\n\t\t\tvar continueRendering = _listeners.beforerender && _listeners.beforerender.call(_instance, listenerParams);\n\n\t\t\t//The beforerender listener function is able the cancel rendering.\n\t\t\tif(continueRendering !== false) {\n\t\t\t\t//Now actually interpolate all the styles.\n\t\t\t\t_calcSteps(renderTop, _instance.getScrollTop());\n\n\t\t\t\t//That's were we actually \"scroll\" on mobile.\n\t\t\t\tif(_isMobile && _skrollrBody) {\n\t\t\t\t\t//Set the transform (\"scroll it\").\n\t\t\t\t\tskrollr.setStyle(_skrollrBody, 'transform', 'translate(0, ' + -(_mobileOffset) + 'px) ' + _translateZ);\n\t\t\t\t}\n\n\t\t\t\t//Remember when we last rendered.\n\t\t\t\t_lastTop = renderTop;\n\n\t\t\t\tif(_listeners.render) {\n\t\t\t\t\t_listeners.render.call(_instance, listenerParams);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif(afterAnimationCallback) {\n\t\t\t\tafterAnimationCallback.call(_instance, false);\n\t\t\t}\n\t\t}\n\n\t\t_lastRenderCall = now;\n\t};\n\n\t/**\n\t * Parses the properties for each key frame of the given skrollable.\n\t */\n\tvar _parseProps = function(skrollable) {\n\t\t//Iterate over all key frames\n\t\tvar keyFrameIndex = 0;\n\t\tvar keyFramesLength = skrollable.keyFrames.length;\n\n\t\tfor(; keyFrameIndex < keyFramesLength; keyFrameIndex++) {\n\t\t\tvar frame = skrollable.keyFrames[keyFrameIndex];\n\t\t\tvar easing;\n\t\t\tvar value;\n\t\t\tvar prop;\n\t\t\tvar props = {};\n\n\t\t\tvar match;\n\n\t\t\twhile((match = rxPropValue.exec(frame.props)) !== null) {\n\t\t\t\tprop = match[1];\n\t\t\t\tvalue = match[2];\n\n\t\t\t\teasing = prop.match(rxPropEasing);\n\n\t\t\t\t//Is there an easing specified for this prop?\n\t\t\t\tif(easing !== null) {\n\t\t\t\t\tprop = easing[1];\n\t\t\t\t\teasing = easing[2];\n\t\t\t\t} else {\n\t\t\t\t\teasing = DEFAULT_EASING;\n\t\t\t\t}\n\n\t\t\t\t//Exclamation point at first position forces the value to be taken literal.\n\t\t\t\tvalue = value.indexOf('!') ? _parseProp(value) : [value.slice(1)];\n\n\t\t\t\t//Save the prop for this key frame with his value and easing function\n\t\t\t\tprops[prop] = {\n\t\t\t\t\tvalue: value,\n\t\t\t\t\teasing: easings[easing]\n\t\t\t\t};\n\t\t\t}\n\n\t\t\tframe.props = props;\n\t\t}\n\t};\n\n\t/**\n\t * Parses a value extracting numeric values and generating a format string\n\t * for later interpolation of the new values in old string.\n\t *\n\t * @param val The CSS value to be parsed.\n\t * @return Something like [\"rgba(?%,?%, ?%,?)\", 100, 50, 0, .7]\n\t * where the first element is the format string later used\n\t * and all following elements are the numeric value.\n\t */\n\tvar _parseProp = function(val) {\n\t\tvar numbers = [];\n\n\t\t//One special case, where floats don't work.\n\t\t//We replace all occurences of rgba colors\n\t\t//which don't use percentage notation with the percentage notation.\n\t\trxRGBAIntegerColor.lastIndex = 0;\n\t\tval = val.replace(rxRGBAIntegerColor, function(rgba) {\n\t\t\treturn rgba.replace(rxNumericValue, function(n) {\n\t\t\t\treturn n / 255 * 100 + '%';\n\t\t\t});\n\t\t});\n\n\t\t//Handle prefixing of \"gradient\" values.\n\t\t//For now only the prefixed value will be set. Unprefixed isn't supported anyway.\n\t\tif(theDashedCSSPrefix) {\n\t\t\trxGradient.lastIndex = 0;\n\t\t\tval = val.replace(rxGradient, function(s) {\n\t\t\t\treturn theDashedCSSPrefix + s;\n\t\t\t});\n\t\t}\n\n\t\t//Now parse ANY number inside this string and create a format string.\n\t\tval = val.replace(rxNumericValue, function(n) {\n\t\t\tnumbers.push(+n);\n\t\t\treturn '{?}';\n\t\t});\n\n\t\t//Add the formatstring as first value.\n\t\tnumbers.unshift(val);\n\n\t\treturn numbers;\n\t};\n\n\t/**\n\t * Fills the key frames with missing left and right hand properties.\n\t * If key frame 1 has property X and key frame 2 is missing X,\n\t * but key frame 3 has X again, then we need to assign X to key frame 2 too.\n\t *\n\t * @param sk A skrollable.\n\t */\n\tvar _fillProps = function(sk) {\n\t\t//Will collect the properties key frame by key frame\n\t\tvar propList = {};\n\t\tvar keyFrameIndex;\n\t\tvar keyFramesLength;\n\n\t\t//Iterate over all key frames from left to right\n\t\tkeyFrameIndex = 0;\n\t\tkeyFramesLength = sk.keyFrames.length;\n\n\t\tfor(; keyFrameIndex < keyFramesLength; keyFrameIndex++) {\n\t\t\t_fillPropForFrame(sk.keyFrames[keyFrameIndex], propList);\n\t\t}\n\n\t\t//Now do the same from right to fill the last gaps\n\n\t\tpropList = {};\n\n\t\t//Iterate over all key frames from right to left\n\t\tkeyFrameIndex = sk.keyFrames.length - 1;\n\n\t\tfor(; keyFrameIndex >= 0; keyFrameIndex--) {\n\t\t\t_fillPropForFrame(sk.keyFrames[keyFrameIndex], propList);\n\t\t}\n\t};\n\n\tvar _fillPropForFrame = function(frame, propList) {\n\t\tvar key;\n\n\t\t//For each key frame iterate over all right hand properties and assign them,\n\t\t//but only if the current key frame doesn't have the property by itself\n\t\tfor(key in propList) {\n\t\t\t//The current frame misses this property, so assign it.\n\t\t\tif(!hasProp.call(frame.props, key)) {\n\t\t\t\tframe.props[key] = propList[key];\n\t\t\t}\n\t\t}\n\n\t\t//Iterate over all props of the current frame and collect them\n\t\tfor(key in frame.props) {\n\t\t\tpropList[key] = frame.props[key];\n\t\t}\n\t};\n\n\t/**\n\t * Calculates the new values for two given values array.\n\t */\n\tvar _calcInterpolation = function(val1, val2, progress) {\n\t\tvar valueIndex;\n\t\tvar val1Length = val1.length;\n\n\t\t//They both need to have the same length\n\t\tif(val1Length !== val2.length) {\n\t\t\tthrow 'Can\\'t interpolate between \"' + val1[0] + '\" and \"' + val2[0] + '\"';\n\t\t}\n\n\t\t//Add the format string as first element.\n\t\tvar interpolated = [val1[0]];\n\n\t\tvalueIndex = 1;\n\n\t\tfor(; valueIndex < val1Length; valueIndex++) {\n\t\t\t//That's the line where the two numbers are actually interpolated.\n\t\t\tinterpolated[valueIndex] = val1[valueIndex] + ((val2[valueIndex] - val1[valueIndex]) * progress);\n\t\t}\n\n\t\treturn interpolated;\n\t};\n\n\t/**\n\t * Interpolates the numeric values into the format string.\n\t */\n\tvar _interpolateString = function(val) {\n\t\tvar valueIndex = 1;\n\n\t\trxInterpolateString.lastIndex = 0;\n\n\t\treturn val[0].replace(rxInterpolateString, function() {\n\t\t\treturn val[valueIndex++];\n\t\t});\n\t};\n\n\t/**\n\t * Resets the class and style attribute to what it was before skrollr manipulated the element.\n\t * Also remembers the values it had before reseting, in order to undo the reset.\n\t */\n\tvar _reset = function(elements, undo) {\n\t\t//We accept a single element or an array of elements.\n\t\telements = [].concat(elements);\n\n\t\tvar skrollable;\n\t\tvar element;\n\t\tvar elementsIndex = 0;\n\t\tvar elementsLength = elements.length;\n\n\t\tfor(; elementsIndex < elementsLength; elementsIndex++) {\n\t\t\telement = elements[elementsIndex];\n\t\t\tskrollable = _skrollables[element[SKROLLABLE_ID_DOM_PROPERTY]];\n\n\t\t\t//Couldn't find the skrollable for this DOM element.\n\t\t\tif(!skrollable) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tif(undo) {\n\t\t\t\t//Reset class and style to the \"dirty\" (set by skrollr) values.\n\t\t\t\telement.style.cssText = skrollable.dirtyStyleAttr;\n\t\t\t\t_updateClass(element, skrollable.dirtyClassAttr);\n\t\t\t} else {\n\t\t\t\t//Remember the \"dirty\" (set by skrollr) class and style.\n\t\t\t\tskrollable.dirtyStyleAttr = element.style.cssText;\n\t\t\t\tskrollable.dirtyClassAttr = _getClass(element);\n\n\t\t\t\t//Reset class and style to what it originally was.\n\t\t\t\telement.style.cssText = skrollable.styleAttr;\n\t\t\t\t_updateClass(element, skrollable.classAttr);\n\t\t\t}\n\t\t}\n\t};\n\n\t/**\n\t * Detects support for 3d transforms by applying it to the skrollr-body.\n\t */\n\tvar _detect3DTransforms = function() {\n\t\t_translateZ = 'translateZ(0)';\n\t\tskrollr.setStyle(_skrollrBody, 'transform', _translateZ);\n\n\t\tvar computedStyle = getStyle(_skrollrBody);\n\t\tvar computedTransform = computedStyle.getPropertyValue('transform');\n\t\tvar computedTransformWithPrefix = computedStyle.getPropertyValue(theDashedCSSPrefix + 'transform');\n\t\tvar has3D = (computedTransform && computedTransform !== 'none') || (computedTransformWithPrefix && computedTransformWithPrefix !== 'none');\n\n\t\tif(!has3D) {\n\t\t\t_translateZ = '';\n\t\t}\n\t};\n\n\t/**\n\t * Set the CSS property on the given element. Sets prefixed properties as well.\n\t */\n\tskrollr.setStyle = function(el, prop, val) {\n\t\tvar style = el.style;\n\n\t\t//Camel case.\n\t\tprop = prop.replace(rxCamelCase, rxCamelCaseFn).replace('-', '');\n\n\t\t//Make sure z-index gets a <integer>.\n\t\t//This is the only <integer> case we need to handle.\n\t\tif(prop === 'zIndex') {\n\t\t\tif(isNaN(val)) {\n\t\t\t\t//If it's not a number, don't touch it.\n\t\t\t\t//It could for example be \"auto\" (#351).\n\t\t\t\tstyle[prop] = val;\n\t\t\t} else {\n\t\t\t\t//Floor the number.\n\t\t\t\tstyle[prop] = '' + (val | 0);\n\t\t\t}\n\t\t}\n\t\t//#64: \"float\" can't be set across browsers. Needs to use \"cssFloat\" for all except IE.\n\t\telse if(prop === 'float') {\n\t\t\tstyle.styleFloat = style.cssFloat = val;\n\t\t}\n\t\telse {\n\t\t\t//Need try-catch for old IE.\n\t\t\ttry {\n\t\t\t\t//Set prefixed property if there's a prefix.\n\t\t\t\tif(theCSSPrefix) {\n\t\t\t\t\tstyle[theCSSPrefix + prop.slice(0,1).toUpperCase() + prop.slice(1)] = val;\n\t\t\t\t}\n\n\t\t\t\t//Set unprefixed.\n\t\t\t\tstyle[prop] = val;\n\t\t\t} catch(ignore) {}\n\t\t}\n\t};\n\n\t/**\n\t * Cross browser event handling.\n\t */\n\tvar _addEvent = skrollr.addEvent = function(element, names, callback) {\n\t\tvar intermediate = function(e) {\n\t\t\t//Normalize IE event stuff.\n\t\t\te = e || window.event;\n\n\t\t\tif(!e.target) {\n\t\t\t\te.target = e.srcElement;\n\t\t\t}\n\n\t\t\tif(!e.preventDefault) {\n\t\t\t\te.preventDefault = function() {\n\t\t\t\t\te.returnValue = false;\n\t\t\t\t\te.defaultPrevented = true;\n\t\t\t\t};\n\t\t\t}\n\n\t\t\treturn callback.call(this, e);\n\t\t};\n\n\t\tnames = names.split(' ');\n\n\t\tvar name;\n\t\tvar nameCounter = 0;\n\t\tvar namesLength = names.length;\n\n\t\tfor(; nameCounter < namesLength; nameCounter++) {\n\t\t\tname = names[nameCounter];\n\n\t\t\tif(element.addEventListener) {\n\t\t\t\telement.addEventListener(name, callback, false);\n\t\t\t} else {\n\t\t\t\telement.attachEvent('on' + name, intermediate);\n\t\t\t}\n\n\t\t\t//Remember the events to be able to flush them later.\n\t\t\t_registeredEvents.push({\n\t\t\t\telement: element,\n\t\t\t\tname: name,\n\t\t\t\tlistener: callback\n\t\t\t});\n\t\t}\n\t};\n\n\tvar _removeEvent = skrollr.removeEvent = function(element, names, callback) {\n\t\tnames = names.split(' ');\n\n\t\tvar nameCounter = 0;\n\t\tvar namesLength = names.length;\n\n\t\tfor(; nameCounter < namesLength; nameCounter++) {\n\t\t\tif(element.removeEventListener) {\n\t\t\t\telement.removeEventListener(names[nameCounter], callback, false);\n\t\t\t} else {\n\t\t\t\telement.detachEvent('on' + names[nameCounter], callback);\n\t\t\t}\n\t\t}\n\t};\n\n\tvar _removeAllEvents = function() {\n\t\tvar eventData;\n\t\tvar eventCounter = 0;\n\t\tvar eventsLength = _registeredEvents.length;\n\n\t\tfor(; eventCounter < eventsLength; eventCounter++) {\n\t\t\teventData = _registeredEvents[eventCounter];\n\n\t\t\t_removeEvent(eventData.element, eventData.name, eventData.listener);\n\t\t}\n\n\t\t_registeredEvents = [];\n\t};\n\n\tvar _emitEvent = function(element, name, direction) {\n\t\tif(_listeners.keyframe) {\n\t\t\t_listeners.keyframe.call(_instance, element, name, direction);\n\t\t}\n\t};\n\n\tvar _reflow = function() {\n\t\tvar pos = _instance.getScrollTop();\n\n\t\t//Will be recalculated by _updateDependentKeyFrames.\n\t\t_maxKeyFrame = 0;\n\n\t\tif(_forceHeight && !_isMobile) {\n\t\t\t//un-\"force\" the height to not mess with the calculations in _updateDependentKeyFrames (#216).\n\t\t\tbody.style.height = '';\n\t\t}\n\n\t\t_updateDependentKeyFrames();\n\n\t\tif(_forceHeight && !_isMobile) {\n\t\t\t//\"force\" the height.\n\t\t\tbody.style.height = (_maxKeyFrame + documentElement.clientHeight) + 'px';\n\t\t}\n\n\t\t//The scroll offset may now be larger than needed (on desktop the browser/os prevents scrolling farther than the bottom).\n\t\tif(_isMobile) {\n\t\t\t_instance.setScrollTop(Math.min(_instance.getScrollTop(), _maxKeyFrame));\n\t\t} else {\n\t\t\t//Remember and reset the scroll pos (#217).\n\t\t\t_instance.setScrollTop(pos, true);\n\t\t}\n\n\t\t_forceRender = true;\n\t};\n\n\t/*\n\t * Returns a copy of the constants object where all functions and strings have been evaluated.\n\t */\n\tvar _processConstants = function() {\n\t\tvar viewportHeight = documentElement.clientHeight;\n\t\tvar copy = {};\n\t\tvar prop;\n\t\tvar value;\n\n\t\tfor(prop in _constants) {\n\t\t\tvalue = _constants[prop];\n\n\t\t\tif(typeof value === 'function') {\n\t\t\t\tvalue = value.call(_instance);\n\t\t\t}\n\t\t\t//Percentage offset.\n\t\t\telse if((/p$/).test(value)) {\n\t\t\t\tvalue = (value.slice(0, -1) / 100) * viewportHeight;\n\t\t\t}\n\n\t\t\tcopy[prop] = value;\n\t\t}\n\n\t\treturn copy;\n\t};\n\n\t/*\n\t * Returns the height of the document.\n\t */\n\tvar _getDocumentHeight = function() {\n\t\tvar skrollrBodyHeight = 0;\n\t\tvar bodyHeight;\n\n\t\tif(_skrollrBody) {\n\t\t\tskrollrBodyHeight = Math.max(_skrollrBody.offsetHeight, _skrollrBody.scrollHeight);\n\t\t}\n\n\t\tbodyHeight = Math.max(skrollrBodyHeight, body.scrollHeight, body.offsetHeight, documentElement.scrollHeight, documentElement.offsetHeight, documentElement.clientHeight);\n\n\t\treturn bodyHeight - documentElement.clientHeight;\n\t};\n\n\t/**\n\t * Returns a string of space separated classnames for the current element.\n\t * Works with SVG as well.\n\t */\n\tvar _getClass = function(element) {\n\t\tvar prop = 'className';\n\n\t\t//SVG support by using className.baseVal instead of just className.\n\t\tif(window.SVGElement && element instanceof window.SVGElement) {\n\t\t\telement = element[prop];\n\t\t\tprop = 'baseVal';\n\t\t}\n\n\t\treturn element[prop];\n\t};\n\n\t/**\n\t * Adds and removes a CSS classes.\n\t * Works with SVG as well.\n\t * add and remove are arrays of strings,\n\t * or if remove is ommited add is a string and overwrites all classes.\n\t */\n\tvar _updateClass = function(element, add, remove) {\n\t\tvar prop = 'className';\n\n\t\t//SVG support by using className.baseVal instead of just className.\n\t\tif(window.SVGElement && element instanceof window.SVGElement) {\n\t\t\telement = element[prop];\n\t\t\tprop = 'baseVal';\n\t\t}\n\n\t\t//When remove is ommited, we want to overwrite/set the classes.\n\t\tif(remove === undefined) {\n\t\t\telement[prop] = add;\n\t\t\treturn;\n\t\t}\n\n\t\t//Cache current classes. We will work on a string before passing back to DOM.\n\t\tvar val = element[prop];\n\n\t\t//All classes to be removed.\n\t\tvar classRemoveIndex = 0;\n\t\tvar removeLength = remove.length;\n\n\t\tfor(; classRemoveIndex < removeLength; classRemoveIndex++) {\n\t\t\tval = _untrim(val).replace(_untrim(remove[classRemoveIndex]), ' ');\n\t\t}\n\n\t\tval = _trim(val);\n\n\t\t//All classes to be added.\n\t\tvar classAddIndex = 0;\n\t\tvar addLength = add.length;\n\n\t\tfor(; classAddIndex < addLength; classAddIndex++) {\n\t\t\t//Only add if el not already has class.\n\t\t\tif(_untrim(val).indexOf(_untrim(add[classAddIndex])) === -1) {\n\t\t\t\tval += ' ' + add[classAddIndex];\n\t\t\t}\n\t\t}\n\n\t\telement[prop] = _trim(val);\n\t};\n\n\tvar _trim = function(a) {\n\t\treturn a.replace(rxTrim, '');\n\t};\n\n\t/**\n\t * Adds a space before and after the string.\n\t */\n\tvar _untrim = function(a) {\n\t\treturn ' ' + a + ' ';\n\t};\n\n\tvar _now = Date.now || function() {\n\t\treturn +new Date();\n\t};\n\n\tvar _keyFrameComparator = function(a, b) {\n\t\treturn a.frame - b.frame;\n\t};\n\n\t/*\n\t * Private variables.\n\t */\n\n\t//Singleton\n\tvar _instance;\n\n\t/*\n\t\tA list of all elements which should be animated associated with their the metadata.\n\t\tExmaple skrollable with two key frames animating from 100px width to 20px:\n\t\tskrollable = {\n\t\t\telement: <the DOM element>,\n\t\t\tstyleAttr: <style attribute of the element before skrollr>,\n\t\t\tclassAttr: <class attribute of the element before skrollr>,\n\t\t\tkeyFrames: [\n\t\t\t\t{\n\t\t\t\t\tframe: 100,\n\t\t\t\t\tprops: {\n\t\t\t\t\t\twidth: {\n\t\t\t\t\t\t\tvalue: ['{?}px', 100],\n\t\t\t\t\t\t\teasing: <reference to easing function>\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\t\t\t\t\tmode: \"absolute\"\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tframe: 200,\n\t\t\t\t\tprops: {\n\t\t\t\t\t\twidth: {\n\t\t\t\t\t\t\tvalue: ['{?}px', 20],\n\t\t\t\t\t\t\teasing: <reference to easing function>\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\t\t\t\t\tmode: \"absolute\"\n\t\t\t\t}\n\t\t\t]\n\t\t};\n\t*/\n\tvar _skrollables;\n\n\tvar _skrollrBody;\n\n\tvar _listeners;\n\tvar _forceHeight;\n\tvar _maxKeyFrame = 0;\n\n\tvar _scale = 1;\n\tvar _constants;\n\n\tvar _mobileDeceleration;\n\n\t//Current direction (up/down).\n\tvar _direction = 'down';\n\n\t//The last top offset value. Needed to determine direction.\n\tvar _lastTop = -1;\n\n\t//The last time we called the render method (doesn't mean we rendered!).\n\tvar _lastRenderCall = _now();\n\n\t//For detecting if it actually resized (#271).\n\tvar _lastViewportWidth = 0;\n\tvar _lastViewportHeight = 0;\n\n\tvar _requestReflow = false;\n\n\t//Will contain data about a running scrollbar animation, if any.\n\tvar _scrollAnimation;\n\n\tvar _smoothScrollingEnabled;\n\n\tvar _smoothScrollingDuration;\n\n\t//Will contain settins for smooth scrolling if enabled.\n\tvar _smoothScrolling;\n\n\t//Can be set by any operation/event to force rendering even if the scrollbar didn't move.\n\tvar _forceRender;\n\n\t//Each skrollable gets an unique ID incremented for each skrollable.\n\t//The ID is the index in the _skrollables array.\n\tvar _skrollableIdCounter = 0;\n\n\tvar _edgeStrategy;\n\n\n\t//Mobile specific vars. Will be stripped by UglifyJS when not in use.\n\tvar _isMobile = false;\n\n\t//The virtual scroll offset when using mobile scrolling.\n\tvar _mobileOffset = 0;\n\n\t//If the browser supports 3d transforms, this will be filled with 'translateZ(0)' (empty string otherwise).\n\tvar _translateZ;\n\n\t//Will contain data about registered events by skrollr.\n\tvar _registeredEvents = [];\n\n\t//Animation frame id returned by RequestAnimationFrame (or timeout when RAF is not supported).\n\tvar _animFrame;\n\n\t//Expose skrollr as either a global variable or a require.js module.\n\tif(typeof define === 'function' && define.amd) {\n\t\tdefine([], function () {\n\t\t\treturn skrollr;\n\t\t});\n\t} else if (typeof module !== 'undefined' && module.exports) {\n\t\tmodule.exports = skrollr;\n\t} else {\n\t\twindow.skrollr = skrollr;\n\t}\n\n}(window, document));"]}