change themes to nederburg

public/plugins/headroom/headroom.js

@@ -0,0 +1,15 @@
+/*!
+ * headroom.js v0.7.0 - Give your page some headroom. Hide your header until you need it
+ * Copyright (c) 2014 Nick Williams - http://wicky.nillia.ms/headroom.js
+ * License: MIT
+ */
+
+!function (a, b) { "use strict"; function c(a) { this.callback = a, this.ticking = !1 } function d(b) { return b && "undefined" != typeof a && (b === a || b.nodeType) } function e(a) { if (arguments.length <= 0) throw new Error("Missing arguments in extend function"); var b, c, f = a || {}; for (c = 1; c < arguments.length; c++) { var g = arguments[c] || {}; for (b in g) f[b] = "object" != typeof f[b] || d(f[b]) ? f[b] || g[b] : e(f[b], g[b]) } return f } function f(a) { return a === Object(a) ? a : { down: a, up: a } } function g(a, b) { b = e(b, g.options), this.lastKnownScrollY = 0, this.elem = a, this.debouncer = new c(this.update.bind(this)), this.tolerance = f(b.tolerance), this.classes = b.classes, this.offset = b.offset, this.scroller = b.scroller, this.initialised = !1, this.onPin = b.onPin, this.onUnpin = b.onUnpin, this.onTop = b.onTop, this.onNotTop = b.onNotTop } var h = { bind: !!function () { }.bind, classList: "classList" in b.documentElement, rAF: !!(a.requestAnimationFrame || a.webkitRequestAnimationFrame || a.mozRequestAnimationFrame) }; a.requestAnimationFrame = a.requestAnimationFrame || a.webkitRequestAnimationFrame || a.mozRequestAnimationFrame, c.prototype = { constructor: c, update: function () { this.callback && this.callback(), this.ticking = !1 }, requestTick: function () { this.ticking || (requestAnimationFrame(this.rafCallback || (this.rafCallback = this.update.bind(this))), this.ticking = !0) }, handleEvent: function () { this.requestTick() } }, g.prototype = { constructor: g, init: function () { return g.cutsTheMustard ? (this.elem.classList.add(this.classes.initial), setTimeout(this.attachEvent.bind(this), 100), this) : void 0 }, destroy: function () { var a = this.classes; this.initialised = !1, this.elem.classList.remove(a.unpinned, a.pinned, a.top, a.initial), this.scroller.removeEventListener("scroll", this.debouncer, !1) }, attachEvent: function () { this.initialised || (this.lastKnownScrollY = this.getScrollY(), this.initialised = !0, this.scroller.addEventListener("scroll", this.debouncer, !1), this.debouncer.handleEvent()) }, unpin: function () { var a = this.elem.classList, b = this.classes; (a.contains(b.pinned) || !a.contains(b.unpinned)) && (a.add(b.unpinned), a.remove(b.pinned), this.onUnpin && this.onUnpin.call(this)) }, pin: function () { var a = this.elem.classList, b = this.classes; a.contains(b.unpinned) && (a.remove(b.unpinned), a.add(b.pinned), this.onPin && this.onPin.call(this)) }, top: function () { var a = this.elem.classList, b = this.classes; a.contains(b.top) || (a.add(b.top), a.remove(b.notTop), this.onTop && this.onTop.call(this)) }, notTop: function () { var a = this.elem.classList, b = this.classes; a.contains(b.notTop) || (a.add(b.notTop), a.remove(b.top), this.onNotTop && this.onNotTop.call(this)) }, getScrollY: function () { return void 0 !== this.scroller.pageYOffset ? this.scroller.pageYOffset : void 0 !== this.scroller.scrollTop ? this.scroller.scrollTop : (b.documentElement || b.body.parentNode || b.body).scrollTop }, getViewportHeight: function () { return a.innerHeight || b.documentElement.clientHeight || b.body.clientHeight }, getDocumentHeight: function () { var a = b.body, c = b.documentElement; return Math.max(a.scrollHeight, c.scrollHeight, a.offsetHeight, c.offsetHeight, a.clientHeight, c.clientHeight) }, getElementHeight: function (a) { return Math.max(a.scrollHeight, a.offsetHeight, a.clientHeight) }, getScrollerHeight: function () { return this.scroller === a || this.scroller === b.body ? this.getDocumentHeight() : this.getElementHeight(this.scroller) }, isOutOfBounds: function (a) { var b = 0 > a, c = a + this.getViewportHeight() > this.getScrollerHeight(); return b || c }, toleranceExceeded: function (a, b) { return Math.abs(a - this.lastKnownScrollY) >= this.tolerance[b] }, shouldUnpin: function (a, b) { var c = a > this.lastKnownScrollY, d = a >= this.offset; return c && d && b }, shouldPin: function (a, b) { var c = a < this.lastKnownScrollY, d = a <= this.offset; return c && b || d }, update: function () { var a = this.getScrollY(), b = a > this.lastKnownScrollY ? "down" : "up", c = this.toleranceExceeded(a, b); this.isOutOfBounds(a) || (a <= this.offset ? this.top() : this.notTop(), this.shouldUnpin(a, c) ? this.unpin() : this.shouldPin(a, c) && this.pin(), this.lastKnownScrollY = a) } }, g.options = { tolerance: { up: 0, down: 0 }, offset: 0, scroller: a, classes: { pinned: "headroom--pinned", unpinned: "headroom--unpinned", top: "headroom--top", notTop: "headroom--not-top", initial: "headroom" } }, g.cutsTheMustard = "undefined" != typeof h && h.rAF && h.bind && h.classList, a.Headroom = g }(window, document);
+
+/*!
+ * headroom.js v0.7.0 - Give your page some headroom. Hide your header until you need it
+ * Copyright (c) 2014 Nick Williams - http://wicky.nillia.ms/headroom.js
+ * License: MIT
+ */
+
+!function (a) { a && (a.fn.headroom = function (b) { return this.each(function () { var c = a(this), d = c.data("headroom"), e = "object" == typeof b && b; e = a.extend(!0, {}, Headroom.options, e), d || (d = new Headroom(this, e), d.init(), c.data("headroom", d)), "string" == typeof b && d[b]() }) }, a("[data-headroom]").each(function () { var b = a(this); b.headroom(b.data()) })) }(window.Zepto || window.jQuery);

public/plugins/reading-time/readingTime.min.js

@@ -0,0 +1,12 @@
+/*!
+
+Name: Reading Time
+Dependencies: jQuery
+Author: Michael Lynch
+Author URL: http://michaelynch.com
+Date Created: August 14, 2013
+Date Updated: June 10, 2014
+Licensed under the MIT license
+
+*/
+;(function(a){a.fn.readingTime=function(r){if(!this.length){return this}var h={readingTimeTarget:".eta",wordCountTarget:null,wordsPerMinute:100,round:true,lang:"en",lessThanAMinuteString:"",prependTimeString:"",prependWordString:"",remotePath:null,remoteTarget:null};var i=this;var c=a(this);i.settings=a.extend({},h,r);var e=i.settings.readingTimeTarget;var d=i.settings.wordCountTarget;var k=i.settings.wordsPerMinute;var p=i.settings.round;var b=i.settings.lang;var l=i.settings.lessThanAMinuteString;var o=i.settings.prependTimeString;var f=i.settings.prependWordString;var g=i.settings.remotePath;var n=i.settings.remoteTarget;if(b=="it"){var m=l||"Meno di un minuto";var q="min"}else{if(b=="fr"){var m=l||"Moins d'une minute";var q="min"}else{if(b=="de"){var m=l||"Weniger als eine Minute";var q="min"}else{if(b=="es"){var m=l||"Menos de un minuto";var q="min"}else{if(b=="nl"){var m=l||"Minder dan een minuut";var q="min"}else{var m=l||"Less than a minute";var q="min"}}}}}var j=function(y){var v=y.trim().split(/\s+/g).length;var u=k/60;var s=v/u;if(p===true){var x=Math.round(s/60)}else{var x=Math.floor(s/60)}var w=Math.round(s-x*60);if(p===true){if(x>0){a(e).text(o+x+" "+q)}else{a(e).text(o+m)}}else{var t=x+":"+w;a(e).text(o+t)}if(d!==""&&d!==undefined){a(d).text(f+v)}};c.each(function(){if(g!=null&&n!=null){a.get(g,function(s){j(a("<div>").html(s).find(n).text())})}else{j(c.text())}})}})(jQuery);

public/plugins/search/search.js

@@ -0,0 +1,106 @@
+summaryInclude=60;
+var fuseOptions = {
+  shouldSort: true,
+  includeMatches: true,
+  threshold: 0.0,
+  tokenize:true,
+  location: 0,
+  distance: 100,
+  maxPatternLength: 32,
+  minMatchCharLength: 1,
+  keys: [
+    {name:"title",weight:0.8},
+    {name:"contents",weight:0.5},
+    {name:"tags",weight:0.3},
+    {name:"categories",weight:0.3}
+  ]
+};
+
+
+var searchQuery = param("s");
+if(searchQuery){
+  $("#search-query").val(searchQuery);
+  executeSearch(searchQuery);
+}
+
+
+
+function executeSearch(searchQuery){
+  $.getJSON( indexURL, function( data ) {
+    var pages = data;
+    var fuse = new Fuse(pages, fuseOptions);
+    var result = fuse.search(searchQuery);
+    console.log({"matches":result});
+    if(result.length > 0){
+      populateResults(result);
+    }else{
+      $('#search-results').append("<h3 class=\"text-center\">No matches found</h3>");
+    }
+  });
+}
+
+function populateResults(result){
+  $.each(result,function(key,value){
+    var contents= value.item.contents;
+    var snippet = "";
+    var snippetHighlights=[];
+    var tags =[];
+    if( fuseOptions.tokenize ){
+      snippetHighlights.push(searchQuery);
+    }else{
+      $.each(value.matches,function(matchKey,mvalue){
+        if(mvalue.key == "tags" || mvalue.key == "categories" ){
+          snippetHighlights.push(mvalue.value);
+        }else if(mvalue.key == "contents"){
+          start = mvalue.indices[0][0]-summaryInclude>0?mvalue.indices[0][0]-summaryInclude:0;
+          end = mvalue.indices[0][1]+summaryInclude<contents.length?mvalue.indices[0][1]+summaryInclude:contents.length;
+          snippet += contents.substring(start,end);
+          snippetHighlights.push(mvalue.value.substring(mvalue.indices[0][0],mvalue.indices[0][1]-mvalue.indices[0][0]+1));
+        }
+      });
+    }
+
+    if(snippet.length<1){
+      snippet += contents.substring(0,summaryInclude*2);
+    }
+    //pull template from hugo templarte definition
+    var templateDefinition = $('#search-result-template').html();
+    //replace values
+    var output = render(templateDefinition,{key:key,title:value.item.title,link:value.item.permalink,tags:value.item.tags,categories:value.item.categories,snippet:snippet});
+    $('#search-results').append(output);
+
+    $.each(snippetHighlights,function(snipkey,snipvalue){
+      $("#summary-"+key).mark(snipvalue);
+    });
+
+  });
+}
+
+function param(name) {
+    return decodeURIComponent((location.search.split(name + '=')[1] || '').split('&')[0]).replace(/\+/g, ' ');
+}
+
+function render(templateString, data) {
+  var conditionalMatches,conditionalPattern,copy;
+  conditionalPattern = /\$\{\s*isset ([a-zA-Z]*) \s*\}(.*)\$\{\s*end\s*}/g;
+  //since loop below depends on re.lastInxdex, we use a copy to capture any manipulations whilst inside the loop
+  copy = templateString;
+  while ((conditionalMatches = conditionalPattern.exec(templateString)) !== null) {
+    if(data[conditionalMatches[1]]){
+      //valid key, remove conditionals, leave contents.
+      copy = copy.replace(conditionalMatches[0],conditionalMatches[2]);
+    }else{
+      //not valid, remove entire section
+      copy = copy.replace(conditionalMatches[0],'');
+    }
+  }
+  templateString = copy;
+  //now any conditionals removed we can do simple substitution
+  var key, find, re;
+  for (key in data) {
+    find = '\\$\\{\\s*' + key + '\\s*\\}';
+    re = new RegExp(find, 'g');
+    templateString = templateString.replace(re, data[key]);
+  }
+  return templateString;
+}

public/plugins/slick/fonts/slick.svg

@@ -0,0 +1,14 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg">
+<metadata>Generated by Fontastic.me</metadata>
+<defs>
+<font id="slick" horiz-adv-x="512">
+<font-face font-family="slick" units-per-em="512" ascent="480" descent="-32"/>
+<missing-glyph horiz-adv-x="512" />
+
+<glyph unicode="&#8594;" d="M241 113l130 130c4 4 6 8 6 13 0 5-2 9-6 13l-130 130c-3 3-7 5-12 5-5 0-10-2-13-5l-29-30c-4-3-6-7-6-12 0-5 2-10 6-13l87-88-87-88c-4-3-6-8-6-13 0-5 2-9 6-12l29-30c3-3 8-5 13-5 5 0 9 2 12 5z m234 143c0-40-9-77-29-110-20-34-46-60-80-80-33-20-70-29-110-29-40 0-77 9-110 29-34 20-60 46-80 80-20 33-29 70-29 110 0 40 9 77 29 110 20 34 46 60 80 80 33 20 70 29 110 29 40 0 77-9 110-29 34-20 60-46 80-80 20-33 29-70 29-110z"/>
+<glyph unicode="&#8592;" d="M296 113l29 30c4 3 6 7 6 12 0 5-2 10-6 13l-87 88 87 88c4 3 6 8 6 13 0 5-2 9-6 12l-29 30c-3 3-8 5-13 5-5 0-9-2-12-5l-130-130c-4-4-6-8-6-13 0-5 2-9 6-13l130-130c3-3 7-5 12-5 5 0 10 2 13 5z m179 143c0-40-9-77-29-110-20-34-46-60-80-80-33-20-70-29-110-29-40 0-77 9-110 29-34 20-60 46-80 80-20 33-29 70-29 110 0 40 9 77 29 110 20 34 46 60 80 80 33 20 70 29 110 29 40 0 77-9 110-29 34-20 60-46 80-80 20-33 29-70 29-110z"/>
+<glyph unicode="&#8226;" d="M475 256c0-40-9-77-29-110-20-34-46-60-80-80-33-20-70-29-110-29-40 0-77 9-110 29-34 20-60 46-80 80-20 33-29 70-29 110 0 40 9 77 29 110 20 34 46 60 80 80 33 20 70 29 110 29 40 0 77-9 110-29 34-20 60-46 80-80 20-33 29-70 29-110z"/>
+<glyph unicode="&#97;" d="M475 439l0-128c0-5-1-9-5-13-4-4-8-5-13-5l-128 0c-8 0-13 3-17 11-3 7-2 14 4 20l40 39c-28 26-62 39-100 39-20 0-39-4-57-11-18-8-33-18-46-32-14-13-24-28-32-46-7-18-11-37-11-57 0-20 4-39 11-57 8-18 18-33 32-46 13-14 28-24 46-32 18-7 37-11 57-11 23 0 44 5 64 15 20 9 38 23 51 42 2 1 4 3 7 3 3 0 5-1 7-3l39-39c2-2 3-3 3-6 0-2-1-4-2-6-21-25-46-45-76-59-29-14-60-20-93-20-30 0-58 5-85 17-27 12-51 27-70 47-20 19-35 43-47 70-12 27-17 55-17 85 0 30 5 58 17 85 12 27 27 51 47 70 19 20 43 35 70 47 27 12 55 17 85 17 28 0 55-5 81-15 26-11 50-26 70-45l37 37c6 6 12 7 20 4 8-4 11-9 11-17z"/>
+</font></defs></svg>

public/plugins/slick/slick.css

@@ -0,0 +1 @@
+.slick-list,.slick-slider,.slick-track{position:relative;display:block}.slick-loading .slick-slide,.slick-loading .slick-track{visibility:hidden}.slick-slider{box-sizing:border-box;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-touch-callout:none;-khtml-user-select:none;-ms-touch-action:pan-y;touch-action:pan-y;-webkit-tap-highlight-color:transparent}.slick-list{overflow:hidden;margin:0;padding:0}.slick-list:focus{outline:0}.slick-list.dragging{cursor:pointer;cursor:hand}.slick-slider .slick-list,.slick-slider .slick-track{-webkit-transform:translate3d(0,0,0);-moz-transform:translate3d(0,0,0);-ms-transform:translate3d(0,0,0);-o-transform:translate3d(0,0,0);transform:translate3d(0,0,0)}.slick-track{top:0;left:0;margin-left:auto;margin-right:auto}.slick-track:after,.slick-track:before{display:table;content:''}.slick-track:after{clear:both}.slick-slide{display:none;float:left;height:100%;min-height:1px}[dir=rtl] .slick-slide{float:right}.slick-slide img{display:block}.slick-slide.slick-loading img{display:none}.slick-slide.dragging img{pointer-events:none}.slick-initialized .slick-slide{display:block}.slick-vertical .slick-slide{display:block;height:auto;border:1px solid transparent}.slick-arrow.slick-hidden{display:none}

public/plugins/smooth-scroll/smooth-scroll.js

@@ -0,0 +1,750 @@
+//
+// SmoothScroll for websites v1.4.6 (Balazs Galambosi)
+// http://www.smoothscroll.net/
+//
+// Licensed under the terms of the MIT license.
+//
+// You may use it in your theme if you credit me. 
+// It is also free to use on any individual website.
+//
+// Exception:
+// The only restriction is to not publish any  
+// extension for browsers or native application
+// without getting a written permission first.
+//
+
+(function () {
+
+    // Scroll Variables (tweakable)
+    var defaultOptions = {
+
+        // Scrolling Core
+        frameRate: 60, // [Hz]
+        animationTime: 1000, // [ms]
+        stepSize: 80, // [px]
+
+        // Pulse (less tweakable)
+        // ratio of "tail" to "acceleration"
+        pulseAlgorithm: true,
+        pulseScale: 4,
+        pulseNormalize: 1,
+
+        // Acceleration
+        accelerationDelta: 50,  // 50
+        accelerationMax: 3,   // 3
+
+        // Keyboard Settings
+        keyboardSupport: true,  // option
+        arrowScroll: 50,    // [px]
+
+        // Other
+        fixedBackground: true,
+        excluded: ''
+    };
+
+    var options = defaultOptions;
+
+
+    // Other Variables
+    var isExcluded = false;
+    var isFrame = false;
+    var direction = { x: 0, y: 0 };
+    var initDone = false;
+    var root = document.documentElement;
+    var activeElement;
+    var observer;
+    var refreshSize;
+    var deltaBuffer = [];
+    var isMac = /^Mac/.test(navigator.platform);
+
+    var key = {
+        left: 37, up: 38, right: 39, down: 40, spacebar: 32,
+        pageup: 33, pagedown: 34, end: 35, home: 36
+    };
+    var arrowKeys = { 37: 1, 38: 1, 39: 1, 40: 1 };
+
+    /***********************************************
+     * INITIALIZE
+     ***********************************************/
+
+    /**
+     * Tests if smooth scrolling is allowed. Shuts down everything if not.
+     */
+    function initTest() {
+        if (options.keyboardSupport) {
+            addEvent('keydown', keydown);
+        }
+    }
+
+    /**
+     * Sets up scrolls array, determines if frames are involved.
+     */
+    function init() {
+
+        if (initDone || !document.body) return;
+
+        initDone = true;
+
+        var body = document.body;
+        var html = document.documentElement;
+        var windowHeight = window.innerHeight;
+        var scrollHeight = body.scrollHeight;
+
+        // check compat mode for root element
+        root = (document.compatMode.indexOf('CSS') >= 0) ? html : body;
+        activeElement = body;
+
+        initTest();
+
+        // Checks if this script is running in a frame
+        if (top != self) {
+            isFrame = true;
+        }
+
+        /**
+         * Safari 10 fixed it, Chrome fixed it in v45:
+         * This fixes a bug where the areas left and right to 
+         * the content does not trigger the onmousewheel event
+         * on some pages. e.g.: html, body { height: 100% }
+         */
+        else if (isOldSafari &&
+            scrollHeight > windowHeight &&
+            (body.offsetHeight <= windowHeight ||
+                html.offsetHeight <= windowHeight)) {
+
+            var fullPageElem = document.createElement('div');
+            fullPageElem.style.cssText = 'position:absolute; z-index:-10000; ' +
+                'top:0; left:0; right:0; height:' +
+                root.scrollHeight + 'px';
+            document.body.appendChild(fullPageElem);
+
+            // DOM changed (throttled) to fix height
+            var pendingRefresh;
+            refreshSize = function () {
+                if (pendingRefresh) return; // could also be: clearTimeout(pendingRefresh);
+                pendingRefresh = setTimeout(function () {
+                    if (isExcluded) return; // could be running after cleanup
+                    fullPageElem.style.height = '0';
+                    fullPageElem.style.height = root.scrollHeight + 'px';
+                    pendingRefresh = null;
+                }, 500); // act rarely to stay fast
+            };
+
+            setTimeout(refreshSize, 10);
+
+            addEvent('resize', refreshSize);
+
+            // TODO: attributeFilter?
+            var config = {
+                attributes: true,
+                childList: true,
+                characterData: false
+                // subtree: true
+            };
+
+            observer = new MutationObserver(refreshSize);
+            observer.observe(body, config);
+
+            if (root.offsetHeight <= windowHeight) {
+                var clearfix = document.createElement('div');
+                clearfix.style.clear = 'both';
+                body.appendChild(clearfix);
+            }
+        }
+
+        // disable fixed background
+        if (!options.fixedBackground && !isExcluded) {
+            body.style.backgroundAttachment = 'scroll';
+            html.style.backgroundAttachment = 'scroll';
+        }
+    }
+
+    /**
+     * Removes event listeners and other traces left on the page.
+     */
+    function cleanup() {
+        observer && observer.disconnect();
+        removeEvent(wheelEvent, wheel);
+        removeEvent('mousedown', mousedown);
+        removeEvent('keydown', keydown);
+        removeEvent('resize', refreshSize);
+        removeEvent('load', init);
+    }
+
+
+    /************************************************
+     * SCROLLING 
+     ************************************************/
+
+    var que = [];
+    var pending = false;
+    var lastScroll = Date.now();
+
+    /**
+     * Pushes scroll actions to the scrolling queue.
+     */
+    function scrollArray(elem, left, top) {
+
+        directionCheck(left, top);
+
+        if (options.accelerationMax != 1) {
+            var now = Date.now();
+            var elapsed = now - lastScroll;
+            if (elapsed < options.accelerationDelta) {
+                var factor = (1 + (50 / elapsed)) / 2;
+                if (factor > 1) {
+                    factor = Math.min(factor, options.accelerationMax);
+                    left *= factor;
+                    top *= factor;
+                }
+            }
+            lastScroll = Date.now();
+        }
+
+        // push a scroll command
+        que.push({
+            x: left,
+            y: top,
+            lastX: (left < 0) ? 0.99 : -0.99,
+            lastY: (top < 0) ? 0.99 : -0.99,
+            start: Date.now()
+        });
+
+        // don't act if there's a pending queue
+        if (pending) {
+            return;
+        }
+
+        var scrollWindow = (elem === document.body);
+
+        var step = function (time) {
+
+            var now = Date.now();
+            var scrollX = 0;
+            var scrollY = 0;
+
+            for (var i = 0; i < que.length; i++) {
+
+                var item = que[i];
+                var elapsed = now - item.start;
+                var finished = (elapsed >= options.animationTime);
+
+                // scroll position: [0, 1]
+                var position = (finished) ? 1 : elapsed / options.animationTime;
+
+                // easing [optional]
+                if (options.pulseAlgorithm) {
+                    position = pulse(position);
+                }
+
+                // only need the difference
+                var x = (item.x * position - item.lastX) >> 0;
+                var y = (item.y * position - item.lastY) >> 0;
+
+                // add this to the total scrolling
+                scrollX += x;
+                scrollY += y;
+
+                // update last values
+                item.lastX += x;
+                item.lastY += y;
+
+                // delete and step back if it's over
+                if (finished) {
+                    que.splice(i, 1); i--;
+                }
+            }
+
+            // scroll left and top
+            if (scrollWindow) {
+                window.scrollBy(scrollX, scrollY);
+            }
+            else {
+                if (scrollX) elem.scrollLeft += scrollX;
+                if (scrollY) elem.scrollTop += scrollY;
+            }
+
+            // clean up if there's nothing left to do
+            if (!left && !top) {
+                que = [];
+            }
+
+            if (que.length) {
+                requestFrame(step, elem, (1000 / options.frameRate + 1));
+            } else {
+                pending = false;
+            }
+        };
+
+        // start a new queue of actions
+        requestFrame(step, elem, 0);
+        pending = true;
+    }
+
+
+    /***********************************************
+     * EVENTS
+     ***********************************************/
+
+    /**
+     * Mouse wheel handler.
+     * @param {Object} event
+     */
+    function wheel(event) {
+
+        if (!initDone) {
+            init();
+        }
+
+        var target = event.target;
+
+        // leave early if default action is prevented   
+        // or it's a zooming event with CTRL 
+        if (event.defaultPrevented || event.ctrlKey) {
+            return true;
+        }
+
+        // leave embedded content alone (flash & pdf)
+        if (isNodeName(activeElement, 'embed') ||
+            (isNodeName(target, 'embed') && /\.pdf/i.test(target.src)) ||
+            isNodeName(activeElement, 'object') ||
+            target.shadowRoot) {
+            return true;
+        }
+
+        var deltaX = -event.wheelDeltaX || event.deltaX || 0;
+        var deltaY = -event.wheelDeltaY || event.deltaY || 0;
+
+        if (isMac) {
+            if (event.wheelDeltaX && isDivisible(event.wheelDeltaX, 120)) {
+                deltaX = -120 * (event.wheelDeltaX / Math.abs(event.wheelDeltaX));
+            }
+            if (event.wheelDeltaY && isDivisible(event.wheelDeltaY, 120)) {
+                deltaY = -120 * (event.wheelDeltaY / Math.abs(event.wheelDeltaY));
+            }
+        }
+
+        // use wheelDelta if deltaX/Y is not available
+        if (!deltaX && !deltaY) {
+            deltaY = -event.wheelDelta || 0;
+        }
+
+        // line based scrolling (Firefox mostly)
+        if (event.deltaMode === 1) {
+            deltaX *= 40;
+            deltaY *= 40;
+        }
+
+        var overflowing = overflowingAncestor(target);
+
+        // nothing to do if there's no element that's scrollable
+        if (!overflowing) {
+            // except Chrome iframes seem to eat wheel events, which we need to 
+            // propagate up, if the iframe has nothing overflowing to scroll
+            if (isFrame && isChrome) {
+                // change target to iframe element itself for the parent frame
+                Object.defineProperty(event, "target", { value: window.frameElement });
+                return parent.wheel(event);
+            }
+            return true;
+        }
+
+        // check if it's a touchpad scroll that should be ignored
+        if (isTouchpad(deltaY)) {
+            return true;
+        }
+
+        // scale by step size
+        // delta is 120 most of the time
+        // synaptics seems to send 1 sometimes
+        if (Math.abs(deltaX) > 1.2) {
+            deltaX *= options.stepSize / 120;
+        }
+        if (Math.abs(deltaY) > 1.2) {
+            deltaY *= options.stepSize / 120;
+        }
+
+        scrollArray(overflowing, deltaX, deltaY);
+        event.preventDefault();
+        scheduleClearCache();
+    }
+
+    /**
+     * Keydown event handler.
+     * @param {Object} event
+     */
+    function keydown(event) {
+
+        var target = event.target;
+        var modifier = event.ctrlKey || event.altKey || event.metaKey ||
+            (event.shiftKey && event.keyCode !== key.spacebar);
+
+        // our own tracked active element could've been removed from the DOM
+        if (!document.body.contains(activeElement)) {
+            activeElement = document.activeElement;
+        }
+
+        // do nothing if user is editing text
+        // or using a modifier key (except shift)
+        // or in a dropdown
+        // or inside interactive elements
+        var inputNodeNames = /^(textarea|select|embed|object)$/i;
+        var buttonTypes = /^(button|submit|radio|checkbox|file|color|image)$/i;
+        if (event.defaultPrevented ||
+            inputNodeNames.test(target.nodeName) ||
+            isNodeName(target, 'input') && !buttonTypes.test(target.type) ||
+            isNodeName(activeElement, 'video') ||
+            isInsideYoutubeVideo(event) ||
+            target.isContentEditable ||
+            modifier) {
+            return true;
+        }
+
+        // [spacebar] should trigger button press, leave it alone
+        if ((isNodeName(target, 'button') ||
+            isNodeName(target, 'input') && buttonTypes.test(target.type)) &&
+            event.keyCode === key.spacebar) {
+            return true;
+        }
+
+        // [arrwow keys] on radio buttons should be left alone
+        if (isNodeName(target, 'input') && target.type == 'radio' &&
+            arrowKeys[event.keyCode]) {
+            return true;
+        }
+
+        var shift, x = 0, y = 0;
+        var overflowing = overflowingAncestor(activeElement);
+
+        if (!overflowing) {
+            // Chrome iframes seem to eat key events, which we need to 
+            // propagate up, if the iframe has nothing overflowing to scroll
+            return (isFrame && isChrome) ? parent.keydown(event) : true;
+        }
+
+        var clientHeight = overflowing.clientHeight;
+
+        if (overflowing == document.body) {
+            clientHeight = window.innerHeight;
+        }
+
+        switch (event.keyCode) {
+            case key.up:
+                y = -options.arrowScroll;
+                break;
+            case key.down:
+                y = options.arrowScroll;
+                break;
+            case key.spacebar: // (+ shift)
+                shift = event.shiftKey ? 1 : -1;
+                y = -shift * clientHeight * 0.9;
+                break;
+            case key.pageup:
+                y = -clientHeight * 0.9;
+                break;
+            case key.pagedown:
+                y = clientHeight * 0.9;
+                break;
+            case key.home:
+                y = -overflowing.scrollTop;
+                break;
+            case key.end:
+                var scroll = overflowing.scrollHeight - overflowing.scrollTop;
+                var scrollRemaining = scroll - clientHeight;
+                y = (scrollRemaining > 0) ? scrollRemaining + 10 : 0;
+                break;
+            case key.left:
+                x = -options.arrowScroll;
+                break;
+            case key.right:
+                x = options.arrowScroll;
+                break;
+            default:
+                return true; // a key we don't care about
+        }
+
+        scrollArray(overflowing, x, y);
+        event.preventDefault();
+        scheduleClearCache();
+    }
+
+    /**
+     * Mousedown event only for updating activeElement
+     */
+    function mousedown(event) {
+        activeElement = event.target;
+    }
+
+
+    /***********************************************
+     * OVERFLOW
+     ***********************************************/
+
+    var uniqueID = (function () {
+        var i = 0;
+        return function (el) {
+            return el.uniqueID || (el.uniqueID = i++);
+        };
+    })();
+
+    var cache = {}; // cleared out after a scrolling session
+    var clearCacheTimer;
+
+    //setInterval(function () { cache = {}; }, 10 * 1000);
+
+    function scheduleClearCache() {
+        clearTimeout(clearCacheTimer);
+        clearCacheTimer = setInterval(function () { cache = {}; }, 1 * 1000);
+    }
+
+    function setCache(elems, overflowing) {
+        for (var i = elems.length; i--;)
+            cache[uniqueID(elems[i])] = overflowing;
+        return overflowing;
+    }
+
+    //  (body)                (root)
+    //         | hidden | visible | scroll |  auto  |
+    // hidden  |   no   |    no   |   YES  |   YES  |
+    // visible |   no   |   YES   |   YES  |   YES  |
+    // scroll  |   no   |   YES   |   YES  |   YES  |
+    // auto    |   no   |   YES   |   YES  |   YES  |
+
+    function overflowingAncestor(el) {
+        var elems = [];
+        var body = document.body;
+        var rootScrollHeight = root.scrollHeight;
+        do {
+            var cached = cache[uniqueID(el)];
+            if (cached) {
+                return setCache(elems, cached);
+            }
+            elems.push(el);
+            if (rootScrollHeight === el.scrollHeight) {
+                var topOverflowsNotHidden = overflowNotHidden(root) && overflowNotHidden(body);
+                var isOverflowCSS = topOverflowsNotHidden || overflowAutoOrScroll(root);
+                if (isFrame && isContentOverflowing(root) ||
+                    !isFrame && isOverflowCSS) {
+                    return setCache(elems, getScrollRoot());
+                }
+            } else if (isContentOverflowing(el) && overflowAutoOrScroll(el)) {
+                return setCache(elems, el);
+            }
+        } while (el = el.parentElement);
+    }
+
+    function isContentOverflowing(el) {
+        return (el.clientHeight + 10 < el.scrollHeight);
+    }
+
+    // typically for <body> and <html>
+    function overflowNotHidden(el) {
+        var overflow = getComputedStyle(el, '').getPropertyValue('overflow-y');
+        return (overflow !== 'hidden');
+    }
+
+    // for all other elements
+    function overflowAutoOrScroll(el) {
+        var overflow = getComputedStyle(el, '').getPropertyValue('overflow-y');
+        return (overflow === 'scroll' || overflow === 'auto');
+    }
+
+
+    /***********************************************
+     * HELPERS
+     ***********************************************/
+
+    function addEvent(type, fn) {
+        window.addEventListener(type, fn, false);
+    }
+
+    function removeEvent(type, fn) {
+        window.removeEventListener(type, fn, false);
+    }
+
+    function isNodeName(el, tag) {
+        return (el.nodeName || '').toLowerCase() === tag.toLowerCase();
+    }
+
+    function directionCheck(x, y) {
+        x = (x > 0) ? 1 : -1;
+        y = (y > 0) ? 1 : -1;
+        if (direction.x !== x || direction.y !== y) {
+            direction.x = x;
+            direction.y = y;
+            que = [];
+            lastScroll = 0;
+        }
+    }
+
+    var deltaBufferTimer;
+
+    if (window.localStorage && localStorage.SS_deltaBuffer) {
+        try { // #46 Safari throws in private browsing for localStorage 
+            deltaBuffer = localStorage.SS_deltaBuffer.split(',');
+        } catch (e) { }
+    }
+
+    function isTouchpad(deltaY) {
+        if (!deltaY) return;
+        if (!deltaBuffer.length) {
+            deltaBuffer = [deltaY, deltaY, deltaY];
+        }
+        deltaY = Math.abs(deltaY);
+        deltaBuffer.push(deltaY);
+        deltaBuffer.shift();
+        clearTimeout(deltaBufferTimer);
+        deltaBufferTimer = setTimeout(function () {
+            try { // #46 Safari throws in private browsing for localStorage
+                localStorage.SS_deltaBuffer = deltaBuffer.join(',');
+            } catch (e) { }
+        }, 1000);
+        return !allDeltasDivisableBy(120) && !allDeltasDivisableBy(100);
+    }
+
+    function isDivisible(n, divisor) {
+        return (Math.floor(n / divisor) == n / divisor);
+    }
+
+    function allDeltasDivisableBy(divisor) {
+        return (isDivisible(deltaBuffer[0], divisor) &&
+            isDivisible(deltaBuffer[1], divisor) &&
+            isDivisible(deltaBuffer[2], divisor));
+    }
+
+    function isInsideYoutubeVideo(event) {
+        var elem = event.target;
+        var isControl = false;
+        if (document.URL.indexOf('www.youtube.com/watch') != -1) {
+            do {
+                isControl = (elem.classList &&
+                    elem.classList.contains('html5-video-controls'));
+                if (isControl) break;
+            } while (elem = elem.parentNode);
+        }
+        return isControl;
+    }
+
+    var requestFrame = (function () {
+        return (window.requestAnimationFrame ||
+            window.webkitRequestAnimationFrame ||
+            window.mozRequestAnimationFrame ||
+            function (callback, element, delay) {
+                window.setTimeout(callback, delay || (1000 / 60));
+            });
+    })();
+
+    var MutationObserver = (window.MutationObserver ||
+        window.WebKitMutationObserver ||
+        window.MozMutationObserver);
+
+    var getScrollRoot = (function () {
+        var SCROLL_ROOT;
+        return function () {
+            if (!SCROLL_ROOT) {
+                var dummy = document.createElement('div');
+                dummy.style.cssText = 'height:10000px;width:1px;';
+                document.body.appendChild(dummy);
+                var bodyScrollTop = document.body.scrollTop;
+                var docElScrollTop = document.documentElement.scrollTop;
+                window.scrollBy(0, 3);
+                if (document.body.scrollTop != bodyScrollTop)
+                    (SCROLL_ROOT = document.body);
+                else
+                    (SCROLL_ROOT = document.documentElement);
+                window.scrollBy(0, -3);
+                document.body.removeChild(dummy);
+            }
+            return SCROLL_ROOT;
+        };
+    })();
+
+
+    /***********************************************
+     * PULSE (by Michael Herf)
+     ***********************************************/
+
+    /**
+     * Viscous fluid with a pulse for part and decay for the rest.
+     * - Applies a fixed force over an interval (a damped acceleration), and
+     * - Lets the exponential bleed away the velocity over a longer interval
+     * - Michael Herf, http://stereopsis.com/stopping/
+     */
+    function pulse_(x) {
+        var val, start, expx;
+        // test
+        x = x * options.pulseScale;
+        if (x < 1) { // acceleartion
+            val = x - (1 - Math.exp(-x));
+        } else {     // tail
+            // the previous animation ended here:
+            start = Math.exp(-1);
+            // simple viscous drag
+            x -= 1;
+            expx = 1 - Math.exp(-x);
+            val = start + (expx * (1 - start));
+        }
+        return val * options.pulseNormalize;
+    }
+
+    function pulse(x) {
+        if (x >= 1) return 1;
+        if (x <= 0) return 0;
+
+        if (options.pulseNormalize == 1) {
+            options.pulseNormalize /= pulse_(1);
+        }
+        return pulse_(x);
+    }
+
+
+    /***********************************************
+     * FIRST RUN
+     ***********************************************/
+
+    var userAgent = window.navigator.userAgent;
+    var isEdge = /Edge/.test(userAgent); // thank you MS
+    var isChrome = /chrome/i.test(userAgent) && !isEdge;
+    var isSafari = /safari/i.test(userAgent) && !isEdge;
+    var isMobile = /mobile/i.test(userAgent);
+    var isIEWin7 = /Windows NT 6.1/i.test(userAgent) && /rv:11/i.test(userAgent);
+    var isOldSafari = isSafari && (/Version\/8/i.test(userAgent) || /Version\/9/i.test(userAgent));
+    var isEnabledForBrowser = (isChrome || isSafari || isIEWin7) && !isMobile;
+
+    var wheelEvent;
+    if ('onwheel' in document.createElement('div'))
+        wheelEvent = 'wheel';
+    else if ('onmousewheel' in document.createElement('div'))
+        wheelEvent = 'mousewheel';
+
+    if (wheelEvent && isEnabledForBrowser) {
+        addEvent(wheelEvent, wheel);
+        addEvent('mousedown', mousedown);
+        addEvent('load', init);
+    }
+
+
+    /***********************************************
+     * PUBLIC INTERFACE
+     ***********************************************/
+
+    function SmoothScroll(optionsToSet) {
+        for (var key in optionsToSet)
+            if (defaultOptions.hasOwnProperty(key))
+                options[key] = optionsToSet[key];
+    }
+    SmoothScroll.destroy = cleanup;
+
+    if (window.SmoothScrollOptions) // async API
+        SmoothScroll(window.SmoothScrollOptions);
+
+    if (typeof define === 'function' && define.amd)
+        define(function () {
+            return SmoothScroll;
+        });
+    else if ('object' == typeof exports)
+        module.exports = SmoothScroll;
+    else
+        window.SmoothScroll = SmoothScroll;
+
+})();