window.scrollReveal = (function (window) {

  'use strict';

  function scrollReveal(options) {

      this.docElem = window.document.documentElement;
      this.options = this.extend(this.defaults, options);
      this.self    = this;

      if (this.options.init == true) this.init();
  }

  scrollReveal.prototype = {

    defaults: {
      after:  '0s',
      enter:  'bottom',
      move:   '24px',
      over:   '0.66s',
      easing: 'ease-in-out',

  //  if 0, the element is considered in the viewport as soon as it enters
  //  if 1, the element is considered in the viewport when it's fully visible
      viewportFactor: 0.33,

  // if false, animations occur only once
  // if true, animations occur each time an element enters the viewport
      reset: false,

  // if true, scrollReveal.init() is automaticaly called upon instantiation
      init: true
    },

    /*=============================================================================*/

    init: function () {

      this.scrolled = false;

      var self = this;
	  
      this.elems = Array.prototype.slice.call(this.docElem.querySelectorAll('[data-scrollReveal]'));
      this.elems.forEach(function (el, i) {
        self.update(el);
      });

      var scrollHandler = function () {
        if (!self.scrolled) {
          self.scrolled = true;
          setTimeout(function () {
            self._scrollPage();
          }, 60);
        }
      };

      var resizeHandler = function () {

   
        if (self.resizeTimeout) {
          clearTimeout(self.resizeTimeout);
        }
        function delayed() {
          self._scrollPage();
          self.resizeTimeout = null;
        }
        self.resizeTimeout = setTimeout(delayed, 200);
      };

      window.addEventListener('scroll', scrollHandler, false);
      window.addEventListener('resize', resizeHandler, false);
    },

  

    _scrollPage: function () {
        var self = this;

        this.elems.forEach(function (el, i) {
          self.update(el);
        });
        this.scrolled = false;
    },

 

    parseLanguage: function (el) {

 
      var words = el.getAttribute('data-scrollreveal').split(/[, ]+/),
          parsed = {};

      function filter (words) {
        var ret = [],

            blacklist = [
              "from",
              "the",
              "and",
              "then",
              "but",
              "with"
            ];

        words.forEach(function (word, i) {
          if (blacklist.indexOf(word) > -1) {
            return;
          }
          ret.push(word);
        });

        return ret;
      }

      words = filter(words);

      words.forEach(function (word, i) {

        switch (word) {
          case "enter":
            parsed.enter = words[i + 1];
            return;

          case "after":
            parsed.after = words[i + 1];
            return;

          case "wait":
            parsed.after = words[i + 1];
            return;

          case "move":
            parsed.move = words[i + 1];
            return;

          case "ease":
            parsed.move = words[i + 1];
            parsed.ease = "ease";
            return;

          case "ease-in":
            parsed.move = words[i + 1];
            parsed.easing = "ease-in";
            return;

          case "ease-in-out":
            parsed.move = words[i + 1];
            parsed.easing = "ease-in-out";
            return;

          case "ease-out":
            parsed.move = words[i + 1];
            parsed.easing = "ease-out";
            return;

          case "over":
            parsed.over = words[i + 1];
            return;

          default:
            return;
        }
      });

      return parsed;
    },


    /*=============================================================================*/

    update: function (el) {
      var css  = this.genCSS(el);

      if (!el.getAttribute('data-scrollReveal-initialized')) {
        el.setAttribute('style', css.initial);
        el.setAttribute('data-scrollReveal-initialized', true);
      }

      if (!this.isElementInViewport(el, this.options.viewportFactor)) {
        if (this.options.reset) {
          el.setAttribute('style', css.initial + css.reset);
        }
        return;
      }

      if (el.getAttribute('data-scrollReveal-complete')) return;

      if (this.isElementInViewport(el, this.options.viewportFactor)) {
        el.setAttribute('style', css.target + css.transition);
   
        if (!this.options.reset) {
          setTimeout(function () {
            el.removeAttribute('style');
            el.setAttribute('data-scrollReveal-complete',true);
          }, css.totalDuration);
        }
      return;
      }
    },

    /*=============================================================================*/

    genCSS: function (el) {
      var parsed = this.parseLanguage(el),
          enter,
          axis;

      if (parsed.enter) {

        if (parsed.enter == "top" || parsed.enter == "bottom") {
          enter = parsed.enter;
          axis = "y";
        }

        if (parsed.enter == "left" || parsed.enter == "right") {
          enter = parsed.enter;
          axis = "x";
        }

      } else {

        if (this.options.enter == "top" || this.options.enter == "bottom") {
          enter = this.options.enter
          axis = "y";
        }

        if (this.options.enter == "left" || this.options.enter == "right") {
          enter = this.options.enter
          axis = "x";
        }
      }


      if (enter == "top" || enter == "left") {
        if (!typeof parsed.move == "undefined") {
          parsed.move = "-" + parsed.move;
        }
        else {
          parsed.move = "-" + this.options.move;
        }
      }

      var dist   = parsed.move    || this.options.move,
          dur    = parsed.over    || this.options.over,
          delay  = parsed.after   || this.options.after,
          easing = parsed.easing  || this.options.easing;

      var transition = "-webkit-transition: all " + dur + " " + easing + " " + delay + ";" +
                          "-moz-transition: all " + dur + " " + easing + " " + delay + ";" +
                            "-o-transition: all " + dur + " " + easing + " " + delay + ";" +
                               "transition: all " + dur + " " + easing + " " + delay + ";" +
                      "-webkit-perspective: 1000;" +
              "-webkit-backface-visibility: hidden;";

  //  The same as transition, but removing the delay for elements fading out.
      var reset = "-webkit-transition: all " + dur + " " + easing + " 0s;" +
                     "-moz-transition: all " + dur + " " + easing + " 0s;" +
                       "-o-transition: all " + dur + " " + easing + " 0s;" +
                          "transition: all " + dur + " " + easing + " 0s;" +
                 "-webkit-perspective: 1000;" +
         "-webkit-backface-visibility: hidden;";

      var initial = "-webkit-transform: translate" + axis + "(" + dist + ");" +
                       "-moz-transform: translate" + axis + "(" + dist + ");" +
                            "transform: translate" + axis + "(" + dist + ");" +
                              "opacity: 0;";

      var target = "-webkit-transform: translate" + axis + "(0);" +
                      "-moz-transform: translate" + axis + "(0);" +
                           "transform: translate" + axis + "(0);" +
                             "opacity: 1;";
      return {
        transition: transition,
        initial: initial,
        target: target,
        reset: reset,
        totalDuration: ((parseFloat(dur) + parseFloat(delay)) * 1000)
      };
    },

    getViewportH : function () {
      var client = this.docElem['clientHeight'],
        inner = window['innerHeight'];

      return (client < inner) ? inner : client;
    },

    getOffset : function(el) {
      var offsetTop = 0,
          offsetLeft = 0;

      do {
        if (!isNaN(el.offsetTop)) {
          offsetTop += el.offsetTop;
        }
        if (!isNaN(el.offsetLeft)) {
          offsetLeft += el.offsetLeft;
        }
      } while (el = el.offsetParent)

      return {
        top: offsetTop,
        left: offsetLeft
      }
    },

    isElementInViewport : function(el, h) {
      var scrolled = window.pageYOffset,
          viewed = scrolled + this.getViewportH(),
          elH = el.offsetHeight,
          elTop = this.getOffset(el).top,
          elBottom = elTop + elH,
          h = h || 0;

      return (elTop + elH * h) <= viewed && (elBottom) >= scrolled;
    },

    extend: function (a, b){
      for (var key in b) {
        if (b.hasOwnProperty(key)) {
          a[key] = b[key];
        }
      }
      return a;
    }
  }; // end scrollReveal.prototype

  return scrollReveal;
})(window);



(function($) {

        'use strict';

        window.scrollReveal = new scrollReveal({reset: true});

        // See: http://stackoverflow.com/a/11381730/989439
        var isMobile = (function () {
            var check = false;
            (function(a){if(/(android|ipad|playbook|silk|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))check = true})(navigator.userAgent||navigator.vendor||window.opera);
            return check;
        })();

      
        var transitionEnd = (function () {
            var t;
            var el = document.createElement('fakeelement');
            var transitions = {
              'transition':'transitionend',
              'OTransition':'oTransitionEnd',
              'MozTransition':'transitionend',
              'WebkitTransition':'webkitTransitionEnd'
            }

            for(t in transitions){
                if( el.style[t] !== undefined ){
                    return transitions[t];
                }
            }
        })();

       
        console.log("Is the current device mobile? " + isMobile + "\n"
          + "CSS transitions end-event name: " + transitionEnd);

      })();