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From 2014.igem.org

/*! UIkit 2.3.1 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */ /*jshint new: true */ /*global $, jQuery, document, window, navigator*/

(function ($, doc, global) {

   "use strict";

   var UI = $.UIkit || {}, $html = $("html"), $win = $(window);

   if (UI.fn) {
       return;
   }

   UI.fn = function (command, options) {

       var args = arguments, cmd = command.match(/^([a-z\-]+)(?:\.([a-z]+))?/i), component = cmd[1], method = cmd[2];

       if (!UI[component]) {
           $.error("UIkit component [" + component + "] does not exist.");
           return this;
       }

       return this.each(function () {
           var $this = $(this), data = $this.data(component);
           if (!data) {
               $this.data(component, (data = new UI[component](this, method ? undefined : options)));
           }
           if (method) {
               data[method].apply(data, Array.prototype.slice.call(args, 1));
           }
       });
   };

   UI.support = {};

   UI.support.requestAnimationFrame = global.requestAnimationFrame || global.webkitRequestAnimationFrame || global.mozRequestAnimationFrame || global.msRequestAnimationFrame || global.oRequestAnimationFrame || function (callback) { global.setTimeout(callback, 1000 / 60); };
   UI.support.touch                 = (
       ('ontouchstart' in window && navigator.userAgent.toLowerCase().match(/mobile|tablet/)) ||
       (global.DocumentTouch && document instanceof global.DocumentTouch)  ||
       (global.navigator['msPointerEnabled'] && global.navigator['msMaxTouchPoints'] > 0) || //IE 10
       (global.navigator['pointerEnabled'] && global.navigator['maxTouchPoints'] > 0) || //IE >=11
       false
   );
   UI.support.mutationobserver      = (global.MutationObserver || global.WebKitMutationObserver || global.MozMutationObserver || null);

   UI.Utils = {};

   UI.Utils.debounce = function (func, wait, immediate) {
       var timeout;
       return function () {
           var context, later;
           var context = this, args = arguments;
           var later = function() {
               timeout = null;
               if (!immediate) func.apply(context, args);
           };
           var callNow = immediate && !timeout;
           clearTimeout(timeout);
           timeout = setTimeout(later, wait);
           if (callNow) func.apply(context, args);
       };
   };

   UI.Utils.isInView = function(element, options) {

       var $element = $(element);

       if (!$element.is(':visible')) {
           return false;
       }

       var window_left = $win.scrollLeft(), window_top = $win.scrollTop(), offset = $element.offset(), left = offset.left, top = offset.top;

       options = $.extend({topoffset:0, leftoffset:0}, options);

       if (top + $element.height() >= window_top && top - options.topoffset <= window_top + $win.height() &&
           left + $element.width() >= window_left && left - options.leftoffset <= window_left + $win.width()) {
         return true;
       } else {
         return false;
       }
   };

   UI.Utils.options = function(string) {

       if ($.isPlainObject(string)) return string;

       var start = (string ? string.indexOf("{") : -1), options = {};

       if (start != -1) {
           try {
               options = (new Function("", "var json = " + string.substr(start) + "; return JSON.parse(JSON.stringify(json));"))();
           } catch (e) {}
       }

       return options;
   };

   $.UIkit = UI;
   $.fn.uk = UI.fn;

   $(function(){

       $(doc).trigger("uk-domready");

       // Check for dom modifications
       if(!UI.support.mutationobserver) return;

       var observer = new UI.support.mutationobserver(UI.Utils.debounce(function(mutations) {
           $(doc).trigger("uk-domready");
       }, 300));

       // pass in the target node, as well as the observer options
       observer.observe(document.body, { childList: true, subtree: true });

       // remove css hover rules for touch devices
       if (UI.support.touch) {
           //UI.Utils.removeCssRules(/\.uk-(?!navbar).*:hover/);
       }
   });

})(jQuery, document, window);

(function($, UI) {

   "use strict";

   var $win           = $(window),
       scrollspies    = [],
       checkScrollSpy = function() {
           for(var i=0; i < scrollspies.length; i++) {
               UI.support.requestAnimationFrame.apply(window, [scrollspies[i].check]);
           }
       },

       ScrollSpy = function(element, options) {

           var $element = $(element);

           if($element.data("scrollspy")) return;

           this.options = $.extend({}, ScrollSpy.defaults, options);
           this.element = $(element);

           var $this = this, idle, inviewstate, initinview,
               fn = function(){

                   var inview = UI.Utils.isInView($this.element, $this.options);

                   if(inview && !inviewstate) {

                       if(idle) clearTimeout(idle);

                       if(!initinview) {
                           $this.element.addClass($this.options.initcls);
                           $this.offset = $this.element.offset();
                           initinview = true;

                           $this.element.trigger("uk-scrollspy-init");
                       }

                       idle = setTimeout(function(){

                           if(inview) {
                               $this.element.addClass("uk-scrollspy-inview").addClass($this.options.cls).width();
                           }

                       }, $this.options.delay);

                       inviewstate = true;
                       $this.element.trigger("uk.scrollspy.inview");
                   }

                   if (!inview && inviewstate && $this.options.repeat) {
                       $this.element.removeClass("uk-scrollspy-inview").removeClass($this.options.cls);
                       inviewstate = false;

                       $this.element.trigger("uk.scrollspy.outview");
                   }
               };

           fn();

           this.element.data("scrollspy", this);

           this.check = fn;
           scrollspies.push(this);
       };

   ScrollSpy.defaults = {
       "cls"        : "uk-scrollspy-inview",
       "initcls"    : "uk-scrollspy-init-inview",
       "topoffset"  : 0,
       "leftoffset" : 0,
       "repeat"     : false,
       "delay"      : 0
   };

   UI["scrollspy"] = ScrollSpy;

   var fnCheck = function(){
       checkScrollSpy();
   };

   // listen to scroll and resize
   $win.on("scroll", fnCheck).on("resize orientationchange", UI.Utils.debounce(fnCheck, 50));

   // init code
   $(document).on("uk-domready", function(e) {
       $("[data-uk-scrollspy]").each(function() {

           var element = $(this);

           if (!element.data("scrollspy")) {
               var obj = new ScrollSpy(element, UI.Utils.options(element.attr("data-uk-scrollspy")));
           }
       });

   });

})(jQuery, jQuery.UIkit);