/**
 * ==================================
 * Ratchet v1.0.0
 * Licensed under The MIT License
 * http://opensource.org/licenses/MIT
 * ==================================
 */

/* ----------------------------------
 * MODAL v1.0.0
 * Licensed under The MIT License
 * http://opensource.org/licenses/MIT
 * ---------------------------------- */

!function () {
  var findModals = function (target) {
    var i;
    var modals = document.querySelectorAll('a');
    for (; target && target !== document; target = target.parentNode) {
      for (i = modals.length; i--;) { if (modals[i] === target) return target; }
    }
  };

  var getModal = function (event) {
    var modalToggle = findModals(event.target);
    if (modalToggle && modalToggle.hash) return document.querySelector(modalToggle.hash);
  };

  window.addEventListener('touchend', function (event) {
    var modal = getModal(event);
    if (modal) modal.classList.toggle('active');
  });
}();/* ----------------------------------
 * POPOVER v1.0.0
 * Licensed under The MIT License
 * http://opensource.org/licenses/MIT
 * ---------------------------------- */

!function () {

  var popover;

  var findPopovers = function (target) {
    var i, popovers = document.querySelectorAll('a');
    for (; target && target !== document; target = target.parentNode) {
      for (i = popovers.length; i--;) { if (popovers[i] === target) return target; }
    }
  };

  var onPopoverHidden = function () {
    document.body.removeChild(backdrop);
    popover.style.display = 'none';
    popover.removeEventListener('webkitTransitionEnd', onPopoverHidden);
  }

  var backdrop = function () {
    var element = document.createElement('div');

    element.classList.add('backdrop');

    element.addEventListener('touchend', function () {
      popover.addEventListener('webkitTransitionEnd', onPopoverHidden);
      popover.classList.remove('visible');
    });

    return element;
  }();

  var getPopover = function (e) {
    var anchor = findPopovers(e.target);

    if (!anchor || !anchor.hash) return;

    popover = document.querySelector(anchor.hash);

    if (!popover || !popover.classList.contains('popover')) return;

    return popover;
  }

  window.addEventListener('touchend', function (e) {
    var popover = getPopover(e);

    if (!popover) return;

    popover.style.display = 'block';
    popover.offsetHeight;
    popover.classList.add('visible');

    popover.parentNode.appendChild(backdrop);
  });

  window.addEventListener('click', function (e) { if (getPopover(e)) e.preventDefault(); });

}();
/* ----------------------------------
 * PUSH v1.0.0
 * Licensed under The MIT License
 * inspired by chris's jquery.pjax.js
 * http://opensource.org/licenses/MIT
 * ---------------------------------- */

!function () {

  var noop = function () {};


  // Pushstate cacheing
  // ==================

  var isScrolling;
  var maxCacheLength = 20;
  var cacheMapping   = sessionStorage;
  var domCache       = {};
  var transitionMap  = {
    'slide-in'  : 'slide-out',
    'slide-out' : 'slide-in',
    'fade'      : 'fade'
  };
  var bars = {
    bartab             : '.bar-tab',
    bartitle           : '.bar-title',
    barfooter          : '.bar-footer',
    barheadersecondary : '.bar-header-secondary'
  }

  var cacheReplace = function (data, updates) {
    PUSH.id = data.id;
    if (updates) data = getCached(data.id);
    cacheMapping[data.id] = JSON.stringify(data);
    window.history.replaceState(data.id, data.title, data.url);
    domCache[data.id] = document.body.cloneNode(true);
  };

  var cachePush = function () {
    var id = PUSH.id;

    var cacheForwardStack = JSON.parse(cacheMapping.cacheForwardStack || '[]');
    var cacheBackStack    = JSON.parse(cacheMapping.cacheBackStack    || '[]');

    cacheBackStack.push(id);

    while (cacheForwardStack.length)               delete cacheMapping[cacheForwardStack.shift()];
    while (cacheBackStack.length > maxCacheLength) delete cacheMapping[cacheBackStack.shift()];

    window.history.pushState(null, '', cacheMapping[PUSH.id].url);

    cacheMapping.cacheForwardStack = JSON.stringify(cacheForwardStack);
    cacheMapping.cacheBackStack    = JSON.stringify(cacheBackStack);
  };

  var cachePop = function (id, direction) {
    var forward           = direction == 'forward';
    var cacheForwardStack = JSON.parse(cacheMapping.cacheForwardStack || '[]');
    var cacheBackStack    = JSON.parse(cacheMapping.cacheBackStack    || '[]');
    var pushStack         = forward ? cacheBackStack    : cacheForwardStack;
    var popStack          = forward ? cacheForwardStack : cacheBackStack;

    if (PUSH.id) pushStack.push(PUSH.id);
    popStack.pop();

    cacheMapping.cacheForwardStack = JSON.stringify(cacheForwardStack);
    cacheMapping.cacheBackStack    = JSON.stringify(cacheBackStack);
  };

  var getCached = function (id) {
    return JSON.parse(cacheMapping[id] || null) || {};
  };

  var getTarget = function (e) {
    var target = findTarget(e.target);

    if (
      !  target
      || e.which > 1
      || e.metaKey
      || e.ctrlKey
      || isScrolling
      || location.protocol !== target.protocol
      || location.host     !== target.host
      || !target.hash && /#/.test(target.href)
      || target.hash && target.href.replace(target.hash, '') === location.href.replace(location.hash, '')
      || target.getAttribute('data-ignore') == 'push'
    ) return;

    return target;
  };


  // Main event handlers (touchend, popstate)
  // ==========================================

  var touchend = function (e) {
    var target = getTarget(e);

    if (!target) return;

    e.preventDefault();

    PUSH({
      url        : target.href,
      hash       : target.hash,
      timeout    : target.getAttribute('data-timeout'),
      transition : target.getAttribute('data-transition')
    });
  };

  var popstate = function (e) {
    var key;
    var barElement;
    var activeObj;
    var activeDom;
    var direction;
    var transition;
    var transitionFrom;
    var transitionFromObj;
    var id = e.state;

    if (!id || !cacheMapping[id]) return;

    direction = PUSH.id < id ? 'forward' : 'back';

    cachePop(id, direction);

    activeObj = getCached(id);
    activeDom = domCache[id];

    if (activeObj.title) document.title = activeObj.title;

    if (direction == 'back') {
      transitionFrom    = JSON.parse(direction == 'back' ? cacheMapping.cacheForwardStack : cacheMapping.cacheBackStack);
      transitionFromObj = getCached(transitionFrom[transitionFrom.length - 1]);
    } else {
      transitionFromObj = activeObj;
    }

    if (direction == 'back' && !transitionFromObj.id) return PUSH.id = id;

    transition = direction == 'back' ? transitionMap[transitionFromObj.transition] : transitionFromObj.transition;

    if (!activeDom) {
      return PUSH({
        id         : activeObj.id,
        url        : activeObj.url,
        title      : activeObj.title,
        timeout    : activeObj.timeout,
        transition : transition,
        ignorePush : true
      });
    }

    if (transitionFromObj.transition) {
      activeObj = extendWithDom(activeObj, '.content', activeDom.cloneNode(true));
      for (key in bars) {
        barElement = document.querySelector(bars[key])
        if (activeObj[key]) swapContent(activeObj[key], barElement);
        else if (barElement) barElement.parentNode.removeChild(barElement);
      }
    }

    swapContent(
      (activeObj.contents || activeDom).cloneNode(true),
      document.querySelector('.content'),
      transition
    );

    PUSH.id = id;

    document.body.offsetHeight; // force reflow to prevent scroll
  };


  // Core PUSH functionality
  // =======================

  var PUSH = function (options) {
    var key;
    var data = {};
    var xhr  = PUSH.xhr;

    options.container = options.container || options.transition ? document.querySelector('.content') : document.body;

    for (key in bars) {
      options[key] = options[key] || document.querySelector(bars[key]);
    }

    if (xhr && xhr.readyState < 4) {
      xhr.onreadystatechange = noop;
      xhr.abort()
    }

    xhr = new XMLHttpRequest();
    xhr.open('GET', options.url, true);
    xhr.setRequestHeader('X-PUSH', 'true');

    xhr.onreadystatechange = function () {
      if (options._timeout) clearTimeout(options._timeout);
      if (xhr.readyState == 4) xhr.status == 200 ? success(xhr, options) : failure(options.url);
    };

    if (!PUSH.id) {
      cacheReplace({
        id         : +new Date,
        url        : window.location.href,
        title      : document.title,
        timeout    : options.timeout,
        transition : null
      });
    }

    if (options.timeout) {
      options._timeout = setTimeout(function () {  xhr.abort('timeout'); }, options.timeout);
    }

    xhr.send();

    if (xhr.readyState && !options.ignorePush) cachePush();
  };


  // Main XHR handlers
  // =================

  var success = function (xhr, options) {
    var key;
    var barElement;
    var data = parseXHR(xhr, options);

    if (!data.contents) return locationReplace(options.url);

    if (data.title) document.title = data.title;

    if (options.transition) {
      for (key in bars) {
        barElement = document.querySelector(bars[key])
        if (data[key]) swapContent(data[key], barElement);
        else if (barElement) barElement.parentNode.removeChild(barElement);
      }
    }

    swapContent(data.contents, options.container, options.transition, function () {
      cacheReplace({
        id         : options.id || +new Date,
        url        : data.url,
        title      : data.title,
        timeout    : options.timeout,
        transition : options.transition
      }, options.id);
      triggerStateChange();
    });

    if (!options.ignorePush && window._gaq) _gaq.push(['_trackPageview']) // google analytics
    if (!options.hash) return;
  };

  var failure = function (url) {
    throw new Error('Could not get: ' + url)
  };


  // PUSH helpers
  // ============

  var swapContent = function (swap, container, transition, complete) {
    var enter;
    var containerDirection;
    var swapDirection;

    if (!transition) {
      if (container) container.innerHTML = swap.innerHTML;
      else if (swap.classList.contains('content')) document.body.appendChild(swap);
      else document.body.insertBefore(swap, document.querySelector('.content'));
    } else {
      enter  = /in$/.test(transition);

      if (transition == 'fade') {
        container.classList.add('in');
        container.classList.add('fade');
        swap.classList.add('fade');
      }

      if (/slide/.test(transition)) {
        swap.classList.add(enter ? 'right' : 'left');
        swap.classList.add('slide');
        container.classList.add('slide');
      }

      container.parentNode.insertBefore(swap, container);
    }

    if (!transition) complete && complete();

    if (transition == 'fade') {
      container.offsetWidth; // force reflow
      container.classList.remove('in');
      container.addEventListener('webkitTransitionEnd', fadeContainerEnd);

      function fadeContainerEnd() {
        container.removeEventListener('webkitTransitionEnd', fadeContainerEnd);
        swap.classList.add('in');
        swap.addEventListener('webkitTransitionEnd', fadeSwapEnd);
      }
      function fadeSwapEnd () {
        swap.removeEventListener('webkitTransitionEnd', fadeSwapEnd);
        container.parentNode.removeChild(container);
        swap.classList.remove('fade');
        swap.classList.remove('in');
        complete && complete();
      }
    }

    if (/slide/.test(transition)) {
      container.offsetWidth; // force reflow
      swapDirection      = enter ? 'right' : 'left'
      containerDirection = enter ? 'left' : 'right'
      container.classList.add(containerDirection);
      swap.classList.remove(swapDirection);
      swap.addEventListener('webkitTransitionEnd', slideEnd);

      function slideEnd() {
        swap.removeEventListener('webkitTransitionEnd', slideEnd);
        swap.classList.remove('slide');
        swap.classList.remove(swapDirection);
        container.parentNode.removeChild(container);
        complete && complete();
      }
    }
  };

  var triggerStateChange = function () {
    var e = new CustomEvent('push', {
      detail: { state: getCached(PUSH.id) },
      bubbles: true,
      cancelable: true
    });

    window.dispatchEvent(e);
  };

  var findTarget = function (target) {
    var i, toggles = document.querySelectorAll('a');
    for (; target && target !== document; target = target.parentNode) {
      for (i = toggles.length; i--;) { if (toggles[i] === target) return target; }
    }
  };

  var locationReplace = function (url) {
    window.history.replaceState(null, '', '#');
    window.location.replace(url);
  };

  var parseURL = function (url) {
    var a = document.createElement('a'); a.href = url; return a;
  };

  var extendWithDom = function (obj, fragment, dom) {
    var i;
    var result    = {};

    for (i in obj) result[i] = obj[i];

    Object.keys(bars).forEach(function (key) {
      var el = dom.querySelector(bars[key]);
      if (el) el.parentNode.removeChild(el);
      result[key] = el;
    });

    result.contents = dom.querySelector(fragment);

    return result;
  };

  var parseXHR = function (xhr, options) {
    var head;
    var body;
    var data = {};
    var responseText = xhr.responseText;

    data.url = options.url;

    if (!responseText) return data;

    if (/<html/i.test(responseText)) {
      head           = document.createElement('div');
      body           = document.createElement('div');
      head.innerHTML = responseText.match(/<head[^>]*>([\s\S.]*)<\/head>/i)[0]
      body.innerHTML = responseText.match(/<body[^>]*>([\s\S.]*)<\/body>/i)[0]
    } else {
      head           = body = document.createElement('div');
      head.innerHTML = responseText;
    }

    data.title = head.querySelector('title');
    data.title = data.title && data.title.innerText.trim();

    if (options.transition) data = extendWithDom(data, '.content', body);
    else data.contents = body;

    return data;
  };


  // Attach PUSH event handlers
  // ==========================

  window.addEventListener('touchstart', function () { isScrolling = false; });
  window.addEventListener('touchmove', function () { isScrolling = true; })
  window.addEventListener('touchend', touchend);
  window.addEventListener('click', function (e) { if (getTarget(e)) e.preventDefault(); });
  window.addEventListener('popstate', popstate);

}();/* ----------------------------------
 * TABS v1.0.0
 * Licensed under The MIT License
 * http://opensource.org/licenses/MIT
 * ---------------------------------- */

!function () {
  var getTarget = function (target) {
    var i, popovers = document.querySelectorAll('.segmented-controller li a');
    for (; target && target !== document; target = target.parentNode) {
      for (i = popovers.length; i--;) { if (popovers[i] === target) return target; }
    }
  };

  window.addEventListener("touchend", function (e) {
    var activeTab;
    var activeBody;
    var targetBody;
    var targetTab;
    var className     = 'active';
    var classSelector = '.' + className;
    var targetAnchor  = getTarget(e.target);

    if (!targetAnchor) return;

    targetTab = targetAnchor.parentNode;
    activeTab = targetTab.parentNode.querySelector(classSelector);

    if (activeTab) activeTab.classList.remove(className);

    targetTab.classList.add(className);

    if (!targetAnchor.hash) return;

    targetBody = document.querySelector(targetAnchor.hash);

    if (!targetBody) return;

    activeBody = targetBody.parentNode.querySelector(classSelector);

    if (activeBody) activeBody.classList.remove(className);

    targetBody.classList.add(className)
  });

  window.addEventListener('click', function (e) { if (getTarget(e.target)) e.preventDefault(); });
}();/* ----------------------------------
 * SLIDER v1.0.0
 * Licensed under The MIT License
 * Adapted from Brad Birdsall's swipe
 * http://opensource.org/licenses/MIT
 * ---------------------------------- */

!function () {

  var pageX;
  var pageY;
  var slider;
  var deltaX;
  var deltaY;
  var offsetX;
  var lastSlide;
  var startTime;
  var resistance;
  var sliderWidth;
  var slideNumber;
  var isScrolling;
  var scrollableArea;

  var getSlider = function (target) {
    var i, sliders = document.querySelectorAll('.slider ul');
    for (; target && target !== document; target = target.parentNode) {
      for (i = sliders.length; i--;) { if (sliders[i] === target) return target; }
    }
  }

  var getScroll = function () {
    var translate3d = slider.style.webkitTransform.match(/translate3d\(([^,]*)/);
    return parseInt(translate3d ? translate3d[1] : 0)
  };

  var setSlideNumber = function (offset) {
    var round = offset ? (deltaX < 0 ? 'ceil' : 'floor') : 'round';
    slideNumber = Math[round](getScroll() / ( scrollableArea / slider.children.length) );
    slideNumber += offset;
    slideNumber = Math.min(slideNumber, 0);
    slideNumber = Math.max(-(slider.children.length - 1), slideNumber);
  }

  var onTouchStart = function (e) {
    slider = getSlider(e.target);

    if (!slider) return;

    var firstItem  = slider.querySelector('li');

    scrollableArea = firstItem.offsetWidth * slider.children.length;
    isScrolling    = undefined;
    sliderWidth    = slider.offsetWidth;
    resistance     = 1;
    lastSlide      = -(slider.children.length - 1);
    startTime      = +new Date;
    pageX          = e.touches[0].pageX;
    pageY          = e.touches[0].pageY;

    setSlideNumber(0);

    slider.style['-webkit-transition-duration'] = 0;
  };

  var onTouchMove = function (e) {
    if (e.touches.length > 1 || !slider) return; // Exit if a pinch || no slider

    deltaX = e.touches[0].pageX - pageX;
    deltaY = e.touches[0].pageY - pageY;
    pageX  = e.touches[0].pageX;
    pageY  = e.touches[0].pageY;

    if (typeof isScrolling == 'undefined') {
      isScrolling = Math.abs(deltaY) > Math.abs(deltaX);
    }

    if (isScrolling) return;

    offsetX = (deltaX / resistance) + getScroll();

    e.preventDefault();

    resistance = slideNumber == 0         && deltaX > 0 ? (pageX / sliderWidth) + 1.25 :
                 slideNumber == lastSlide && deltaX < 0 ? (Math.abs(pageX) / sliderWidth) + 1.25 : 1;

    slider.style.webkitTransform = 'translate3d(' + offsetX + 'px,0,0)';
  };

  var onTouchEnd = function (e) {
    if (!slider || isScrolling) return;

    setSlideNumber(
      (+new Date) - startTime < 1000 && Math.abs(deltaX) > 15 ? (deltaX < 0 ? -1 : 1) : 0
    );

    offsetX = slideNumber * sliderWidth;

    slider.style['-webkit-transition-duration'] = '.2s';
    slider.style.webkitTransform = 'translate3d(' + offsetX + 'px,0,0)';

    e = new CustomEvent('slide', {
      detail: { slideNumber: Math.abs(slideNumber) },
      bubbles: true,
      cancelable: true
    });

    slider.parentNode.dispatchEvent(e);
  };

  window.addEventListener('touchstart', onTouchStart);
  window.addEventListener('touchmove', onTouchMove);
  window.addEventListener('touchend', onTouchEnd);

}();
/* ----------------------------------
 * TOGGLE v1.0.0
 * Licensed under The MIT License
 * http://opensource.org/licenses/MIT
 * ---------------------------------- */

!function () {

  var start     = {};
  var touchMove = false;
  var distanceX = false;
  var toggle    = false;

  var findToggle = function (target) {
    var i, toggles = document.querySelectorAll('.toggle');
    for (; target && target !== document; target = target.parentNode) {
      for (i = toggles.length; i--;) { if (toggles[i] === target) return target; }
    }
  }

  window.addEventListener('touchstart', function (e) {
    e = e.originalEvent || e;

    toggle = findToggle(e.target);

    if (!toggle) return;

    var handle      = toggle.querySelector('.toggle-handle');
    var toggleWidth = toggle.offsetWidth;
    var handleWidth = handle.offsetWidth;
    var offset      = toggle.classList.contains('active') ? toggleWidth - handleWidth : 0;

    start     = { pageX : e.touches[0].pageX - offset, pageY : e.touches[0].pageY };
    touchMove = false;

    // todo: probably should be moved to the css
    toggle.style['-webkit-transition-duration'] = 0;
  });

  window.addEventListener('touchmove', function (e) {
    e = e.originalEvent || e;

    if (e.touches.length > 1) return; // Exit if a pinch

    if (!toggle) return;

    var handle      = toggle.querySelector('.toggle-handle');
    var current     = e.touches[0];
    var toggleWidth = toggle.offsetWidth;
    var handleWidth = handle.offsetWidth;
    var offset      = toggleWidth - handleWidth;

    touchMove = true;
    distanceX = current.pageX - start.pageX;

    if (Math.abs(distanceX) < Math.abs(current.pageY - start.pageY)) return;

    e.preventDefault();

    if (distanceX < 0)      return handle.style.webkitTransform = 'translate3d(0,0,0)';
    if (distanceX > offset) return handle.style.webkitTransform = 'translate3d(' + offset + 'px,0,0)';

    handle.style.webkitTransform = 'translate3d(' + distanceX + 'px,0,0)';

    toggle.classList[(distanceX > (toggleWidth/2 - handleWidth/2)) ? 'add' : 'remove']('active');
  });

  window.addEventListener('touchend', function (e) {
    if (!toggle) return;

    var handle      = toggle.querySelector('.toggle-handle');
    var toggleWidth = toggle.offsetWidth;
    var handleWidth = handle.offsetWidth;
    var offset      = toggleWidth - handleWidth;
    var slideOn     = (!touchMove && !toggle.classList.contains('active')) || (touchMove && (distanceX > (toggleWidth/2 - handleWidth/2)));

    if (slideOn) handle.style.webkitTransform = 'translate3d(' + offset + 'px,0,0)';
    else handle.style.webkitTransform = 'translate3d(0,0,0)';

    toggle.classList[slideOn ? 'add' : 'remove']('active');

    e = new CustomEvent('toggle', {
      detail: { isActive: slideOn },
      bubbles: true,
      cancelable: true
    });

    toggle.dispatchEvent(e);

    touchMove = false;
    toggle    = false;
  });

}();

/* ----------------------------------
 * lunr v0.2.1
 * http://lunrjs.com - A bit like Solr, but much smaller and not as bright
 * Copyright (C) 2013 Oliver Nightingale
 * Licensed under The MIT License
 * http://opensource.org/licenses/MIT
 * ---------------------------------- */

var lunr = function (config) {
  var idx = new lunr.Index

  idx.pipeline.add(lunr.stopWordFilter, lunr.stemmer)

  if (config) config.call(idx, idx)

  return idx
}

lunr.version = "0.2.1"

if (typeof module !== 'undefined') {
  module.exports = lunr
}
/*!
 * lunr.tokenizer
 * Copyright (C) 2013 Oliver Nightingale
 */

lunr.tokenizer = function (str) {
  if (Array.isArray(str)) return str

  var whiteSpaceSplitRegex = /\s+/

  return str.split(whiteSpaceSplitRegex).map(function (token) {
    return token.replace(/^\W+/, '').replace(/\W+$/, '').toLowerCase()
  })
}
/*!
 * lunr.Pipeline
 * Copyright (C) 2013 Oliver Nightingale
 */

lunr.Pipeline = function () {
  this._stack = []
}

lunr.Pipeline.prototype.add = function () {
  var fns = Array.prototype.slice.call(arguments)
  Array.prototype.push.apply(this._stack, fns)
}

lunr.Pipeline.prototype.after = function (existingFn, newFn) {
  var pos = this._stack.indexOf(existingFn) + 1
  this._stack.splice(pos, 0, newFn)
}

lunr.Pipeline.prototype.before = function (existingFn, newFn) {
  var pos = this._stack.indexOf(existingFn)
  this._stack.splice(pos, 0, newFn)
}

lunr.Pipeline.prototype.remove = function (fn) {
  var pos = this._stack.indexOf(fn)
  this._stack.splice(pos, 1)
}

lunr.Pipeline.prototype.run = function (tokens) {
  var out = [],
      tokenLength = tokens.length,
      stackLength = this._stack.length

  for (var i = 0; i < tokenLength; i++) {
    var token = tokens[i]

    for (var j = 0; j < stackLength; j++) {
      token = this._stack[j](token, i, tokens)
      if (token === void 0) break
    };

    if (token !== void 0) out.push(token)
  };

  return out
}

/*!
 * lunr.Vector
 * Copyright (C) 2013 Oliver Nightingale
 */

lunr.Vector = function (elements) {
  this.elements = elements

  for (var i = 0; i < elements.length; i++) {
    if (!(i in this.elements)) this.elements[i] = 0
  }
}

lunr.Vector.prototype.magnitude = function () {
  if (this._magnitude) return this._magnitude

  var sumOfSquares = 0,
      elems = this.elements,
      len = elems.length,
      el

  for (var i = 0; i < len; i++) {
    el = elems[i]
    sumOfSquares += el * el
  };

  return this._magnitude = Math.sqrt(sumOfSquares)
}

lunr.Vector.prototype.dot = function (otherVector) {
  var elem1 = this.elements,
      elem2 = otherVector.elements,
      length = elem1.length,
      dotProduct = 0

  for (var i = 0; i < length; i++) {
    dotProduct += elem1[i] * elem2[i]
  };

  return dotProduct
}

lunr.Vector.prototype.similarity = function (otherVector) {
  return this.dot(otherVector) / (this.magnitude() * otherVector.magnitude())
}

lunr.Vector.prototype.toArray = function () {
  return this.elements
}
/*!
 * lunr.SortedSet
 * Copyright (C) 2013 Oliver Nightingale
 */

lunr.SortedSet = function () {
  this.length = 0
  this.elements = []
}

lunr.SortedSet.prototype.add = function () {
  Array.prototype.slice.call(arguments).forEach(function (element) {
    if (~this.elements.indexOf(element)) return
    this.elements.splice(this.locationFor(element), 0, element)
  }, this)

  this.length = this.elements.length
}

lunr.SortedSet.prototype.toArray = function () {
  return this.elements.slice()
}

lunr.SortedSet.prototype.map = function (fn, ctx) {
  return this.elements.map(fn, ctx)
}

lunr.SortedSet.prototype.forEach = function (fn, ctx) {
  return this.elements.forEach(fn, ctx)
}

lunr.SortedSet.prototype.indexOf = function (elem, startIndex) {
  return this.elements.indexOf(elem, startIndex)
}

lunr.SortedSet.prototype.locationFor = function (elem, start, end) {
  var start = start || 0,
      end = end || this.elements.length,
      sectionLength = end - start,
      pivot = start + Math.floor(sectionLength / 2),
      pivotElem = this.elements[pivot]

  if (sectionLength <= 1) {
    if (pivotElem > elem) return pivot
    if (pivotElem < elem) return pivot + 1
  }

  if (pivotElem < elem) return this.locationFor(elem, pivot, end)
  if (pivotElem > elem) return this.locationFor(elem, start, pivot)
}

lunr.SortedSet.prototype.intersect = function (otherSet) {
  var intersectSet = new lunr.SortedSet,
      i = 0, j = 0,
      a_len = this.length, b_len = otherSet.length,
      a = this.elements, b = otherSet.elements

  while (true) {
    if (i > a_len - 1 || j > b_len - 1) break

    if (a[i] === b[j]) {
      intersectSet.add(a[i]);
      i++; 
      j++;
      continue
    }

    if (a[i] < b[j]) {
      i++
      continue
    }

    if (a[i] > b[j]) {
      j++
      continue
    }
  };

  return intersectSet
}

lunr.SortedSet.prototype.clone = function () {
  var clone = new lunr.SortedSet

  clone.elements = this.toArray()
  clone.length = clone.elements.length

  return clone
}

lunr.SortedSet.prototype.union = function (otherSet) {
  var longSet, shortSet, unionSet

  if (this.length >= otherSet.length) {
    longSet = this; 
    shortSet = otherSet;
  } else {
    longSet = otherSet;
    shortSet = this;
  }

  unionSet = longSet.clone()

  unionSet.add.apply(unionSet, shortSet.toArray())

  return unionSet
}
/*!
 * lunr.Index
 * Copyright (C) 2013 Oliver Nightingale
 */

lunr.Index = function () {
  this._fields = []
  this._ref = 'id'
  this.pipeline = new lunr.Pipeline
  this.documentStore = new lunr.Store
  this.tokenStore = new lunr.TokenStore
  this.corpusTokens = new lunr.SortedSet
}

lunr.Index.prototype.field = function (fieldName, opts) {
  var opts = opts || {},
      field = { name: fieldName, boost: opts.boost || 1 }

  this._fields.push(field)
  return this
}

lunr.Index.prototype.ref = function (refName) {
  this._ref = refName
  return this
}

lunr.Index.prototype.add = function (doc) {
  var docTokens = {},
      allDocumentTokens = new lunr.SortedSet,
      docRef = doc[this._ref]

  this._fields.forEach(function (field) {
    var fieldTokens = this.pipeline.run(lunr.tokenizer(doc[field.name]))

    docTokens[field.name] = fieldTokens
    lunr.SortedSet.prototype.add.apply(allDocumentTokens, fieldTokens)
  }, this)

  this.documentStore.set(docRef, allDocumentTokens)
  lunr.SortedSet.prototype.add.apply(this.corpusTokens, allDocumentTokens.toArray())

  for (var i = 0; i < allDocumentTokens.length; i++) {
    var token = allDocumentTokens.elements[i]
    var tf = this._fields.reduce(function (memo, field) {
      var tokenCount = docTokens[field.name].filter(function (t) { return t === token }).length,
          fieldLength = docTokens[field.name].length

      return memo + (tokenCount / fieldLength * field.boost)
    }, 0)

    this.tokenStore.add(token, { ref: docRef, tf: tf })
  };
}

lunr.Index.prototype.remove = function (doc) {
  var docRef = doc[this._ref],
      docTokens = this.documentStore.get(docRef)

  this.documentStore.remove(docRef)

  docTokens.forEach(function (token) {
    this.tokenStore.remove(token, docRef)
  }, this)
}

lunr.Index.prototype.update = function (doc) {
  this.remove(doc)
  this.add(doc)
}

lunr.Index.prototype.idf = function (term) {
  var documentFrequency = Object.keys(this.tokenStore.get(term)).length

  if (documentFrequency === 0) {
    return 1
  } else {
    return 1 + Math.log(this.tokenStore.length / documentFrequency)
  }
}

lunr.Index.prototype.search = function (query) {
  var queryTokens = this.pipeline.run(lunr.tokenizer(query)),
      queryArr = new Array (this.corpusTokens.length),
      documentSets = [],
      fieldBoosts = this._fields.reduce(function (memo, f) { return memo + f.boost }, 0)

  if (!queryTokens.some(lunr.TokenStore.prototype.has, this.tokenStore)) return []

  queryTokens
    .forEach(function (token, i, tokens) {
      var tf = 1 / tokens.length * this._fields.length * fieldBoosts,
          self = this

      var set = this.tokenStore.expand(token).reduce(function (memo, key) {
        var pos = self.corpusTokens.indexOf(key),
            idf = self.idf(key),
            set = new lunr.SortedSet

        if (pos > -1) queryArr[pos] = tf * idf

        Object.keys(self.tokenStore.get(key)).forEach(function (ref) { set.add(ref) })

        return memo.union(set)
      }, new lunr.SortedSet)

      documentSets.push(set)
    }, this)

  var documentSet = documentSets.reduce(function (memo, set) {
    return memo.intersect(set)
  })

  var queryVector = new lunr.Vector (queryArr)

  return documentSet
    .map(function (ref) {
      return { ref: ref, score: queryVector.similarity(this.documentVector(ref)) }
    }, this)
    .sort(function (a, b) {
      return b.score - a.score
    })
}

lunr.Index.prototype.documentVector = function (documentRef) {
  var documentTokens = this.documentStore.get(documentRef),
      documentTokensLength = documentTokens.length,
      documentArr = new Array (this.corpusTokens.length)

  for (var i = 0; i < documentTokensLength; i++) {
    var token = documentTokens.elements[i],
        tf = this.tokenStore.get(token)[documentRef].tf,
        idf = this.idf(token)

    documentArr[this.corpusTokens.indexOf(token)] = tf * idf
  };

  return new lunr.Vector (documentArr)
}
/*!
 * lunr.Store
 * Copyright (C) 2013 Oliver Nightingale
 */

lunr.Store = function () {
  this.store = {}
  this.length = 0
}

lunr.Store.prototype.set = function (id, tokens) {
  this.store[id] = tokens
  this.length = Object.keys(this.store).length
}

lunr.Store.prototype.get = function (id) {
  return this.store[id]
}

lunr.Store.prototype.has = function (id) {
  return id in this.store
}

lunr.Store.prototype.remove = function (id) {
  if (!this.has(id)) return

  delete this.store[id]
  this.length--
}

/*!
 * lunr.stemmer
 * Copyright (C) 2013 Oliver Nightingale
 * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt
 */

lunr.stemmer = (function(){
  var step2list = {
      "ational" : "ate",
      "tional" : "tion",
      "enci" : "ence",
      "anci" : "ance",
      "izer" : "ize",
      "bli" : "ble",
      "alli" : "al",
      "entli" : "ent",
      "eli" : "e",
      "ousli" : "ous",
      "ization" : "ize",
      "ation" : "ate",
      "ator" : "ate",
      "alism" : "al",
      "iveness" : "ive",
      "fulness" : "ful",
      "ousness" : "ous",
      "aliti" : "al",
      "iviti" : "ive",
      "biliti" : "ble",
      "logi" : "log"
    },

    step3list = {
      "icate" : "ic",
      "ative" : "",
      "alize" : "al",
      "iciti" : "ic",
      "ical" : "ic",
      "ful" : "",
      "ness" : ""
    },

    c = "[^aeiou]",          // consonant
    v = "[aeiouy]",          // vowel
    C = c + "[^aeiouy]*",    // consonant sequence
    V = v + "[aeiou]*",      // vowel sequence

    mgr0 = "^(" + C + ")?" + V + C,               // [C]VC... is m>0
    meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$",  // [C]VC[V] is m=1
    mgr1 = "^(" + C + ")?" + V + C + V + C,       // [C]VCVC... is m>1
    s_v = "^(" + C + ")?" + v;                   // vowel in stem

  return function (w) {
    var   stem,
      suffix,
      firstch,
      re,
      re2,
      re3,
      re4;

    if (w.length < 3) { return w; }

    firstch = w.substr(0,1);
    if (firstch == "y") {
      w = firstch.toUpperCase() + w.substr(1);
    }

    // Step 1a
    re = /^(.+?)(ss|i)es$/;
    re2 = /^(.+?)([^s])s$/;

    if (re.test(w)) { w = w.replace(re,"$1$2"); }
    else if (re2.test(w)) { w = w.replace(re2,"$1$2"); }

    // Step 1b
    re = /^(.+?)eed$/;
    re2 = /^(.+?)(ed|ing)$/;
    if (re.test(w)) {
      var fp = re.exec(w);
      re = new RegExp(mgr0);
      if (re.test(fp[1])) {
        re = /.$/;
        w = w.replace(re,"");
      }
    } else if (re2.test(w)) {
      var fp = re2.exec(w);
      stem = fp[1];
      re2 = new RegExp(s_v);
      if (re2.test(stem)) {
        w = stem;
        re2 = /(at|bl|iz)$/;
        re3 = new RegExp("([^aeiouylsz])\\1$");
        re4 = new RegExp("^" + C + v + "[^aeiouwxy]$");
        if (re2.test(w)) {  w = w + "e"; }
        else if (re3.test(w)) { re = /.$/; w = w.replace(re,""); }
        else if (re4.test(w)) { w = w + "e"; }
      }
    }

    // Step 1c
    re = /^(.+?)y$/;
    if (re.test(w)) {
      var fp = re.exec(w);
      stem = fp[1];
      re = new RegExp(s_v);
      if (re.test(stem)) { w = stem + "i"; }
    }

    // Step 2
    re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;
    if (re.test(w)) {
      var fp = re.exec(w);
      stem = fp[1];
      suffix = fp[2];
      re = new RegExp(mgr0);
      if (re.test(stem)) {
        w = stem + step2list[suffix];
      }
    }

    // Step 3
    re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;
    if (re.test(w)) {
      var fp = re.exec(w);
      stem = fp[1];
      suffix = fp[2];
      re = new RegExp(mgr0);
      if (re.test(stem)) {
        w = stem + step3list[suffix];
      }
    }

    // Step 4
    re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;
    re2 = /^(.+?)(s|t)(ion)$/;
    if (re.test(w)) {
      var fp = re.exec(w);
      stem = fp[1];
      re = new RegExp(mgr1);
      if (re.test(stem)) {
        w = stem;
      }
    } else if (re2.test(w)) {
      var fp = re2.exec(w);
      stem = fp[1] + fp[2];
      re2 = new RegExp(mgr1);
      if (re2.test(stem)) {
        w = stem;
      }
    }

    // Step 5
    re = /^(.+?)e$/;
    if (re.test(w)) {
      var fp = re.exec(w);
      stem = fp[1];
      re = new RegExp(mgr1);
      re2 = new RegExp(meq1);
      re3 = new RegExp("^" + C + v + "[^aeiouwxy]$");
      if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) {
        w = stem;
      }
    }

    re = /ll$/;
    re2 = new RegExp(mgr1);
    if (re.test(w) && re2.test(w)) {
      re = /.$/;
      w = w.replace(re,"");
    }

    // and turn initial Y back to y

    if (firstch == "y") {
      w = firstch.toLowerCase() + w.substr(1);
    }

    return w;
  }
})();
/*!
 * lunr.stopWordFilter
 * Copyright (C) 2013 Oliver Nightingale
 */

lunr.stopWordFilter = function (token) {
  var stopWords = [
    "a",
    "able",
    "about",
    "across",
    "after",
    "all",
    "almost",
    "also",
    "am",
    "among",
    "an",
    "and",
    "any",
    "are",
    "as",
    "at",
    "be",
    "because",
    "been",
    "but",
    "by",
    "can",
    "cannot",
    "could",
    "dear",
    "did",
    "do",
    "does",
    "either",
    "else",
    "ever",
    "every",
    "for",
    "from",
    "get",
    "got",
    "had",
    "has",
    "have",
    "he",
    "her",
    "hers",
    "him",
    "his",
    "how",
    "however",
    "i",
    "if",
    "in",
    "into",
    "is",
    "it",
    "its",
    "just",
    "least",
    "let",
    "like",
    "likely",
    "may",
    "me",
    "might",
    "most",
    "must",
    "my",
    "neither",
    "no",
    "nor",
    "not",
    "of",
    "off",
    "often",
    "on",
    "only",
    "or",
    "other",
    "our",
    "own",
    "rather",
    "said",
    "say",
    "says",
    "she",
    "should",
    "since",
    "so",
    "some",
    "than",
    "that",
    "the",
    "their",
    "them",
    "then",
    "there",
    "these",
    "they",
    "this",
    "tis",
    "to",
    "too",
    "twas",
    "us",
    "wants",
    "was",
    "we",
    "were",
    "what",
    "when",
    "where",
    "which",
    "while",
    "who",
    "whom",
    "why",
    "will",
    "with",
    "would",
    "yet",
    "you",
    "your"
  ]

  if (stopWords.indexOf(token) === -1) return token
}
/*!
 * lunr.stemmer
 * Copyright (C) 2013 Oliver Nightingale
 * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt
 */

lunr.TokenStore = function () {
  this.root = { docs: {} }
  this.length = 0
}

lunr.TokenStore.prototype.add = function (token, doc, root) {
  var root = root || this.root,
      key = token[0],
      rest = token.slice(1)

  if (!(key in root)) root[key] = {docs: {}}

  if (rest.length === 0) {
    root[key].docs[doc.ref] = doc
    this.length += 1
    return
  } else {
    return this.add(rest, doc, root[key])
  }
}

lunr.TokenStore.prototype.has = function (token, root) {
  var root = root || this.root,
      key = token[0],
      rest = token.slice(1)

  if (!(key in root)) return false

  if (rest.length === 0) {
    return true
  } else {
    return this.has(rest, root[key])
  }
}

lunr.TokenStore.prototype.getNode = function (token, root) {
  var root = root || this.root,
      key = token[0],
      rest = token.slice(1)

  if (!(key in root)) return {}

  if (rest.length === 0) {
    return root[key]
  } else {
    return this.getNode(rest, root[key])
  }
}

lunr.TokenStore.prototype.get = function (token, root) {
  return this.getNode(token, root).docs || {}
}

lunr.TokenStore.prototype.remove = function (token, ref, root) {
  var root = root || this.root,
      key = token[0],
      rest = token.slice(1)

  if (!(key in root)) return

  if (rest.length === 0) {
    delete root[key].docs[ref]
  } else {
    return this.remove(rest, ref, root[key])
  }
}

lunr.TokenStore.prototype.expand = function (token, memo) {
  var root = this.getNode(token),
      docs = root.docs || {},
      memo = memo || []

  if (Object.keys(docs).length) memo.push(token)

  Object.keys(root)
    .forEach(function (key) {
      if (key === 'docs') return

      memo.concat(this.expand(token + key, memo))
    }, this)

  return memo;
}

var searchindexes = new Array();

function indexList(listid, searchid) {
  var lunrid = 'lid'+searchindexes.length,
  listeles = document.getElementById(listid).getElementsByTagName('li'),
  text;

  if(document.getElementById(searchid).hasAttribute('data-lid') !== 1) {
    document.getElementById(searchid).setAttribute('data-lid', lunrid);

    searchindexes[lunrid] = lunr(function() {
      this.field('text');
    })

    for(var i = 0; i < listeles.length; i++) {
      if(listeles[i].hasAttribute('data-noindex') !== true) {
        if(typeof listeles[i].innerText !== 'undefined') {
          if(listeles[i].innerText.length > 2) {
            text = {"text" : listeles[i].innerText, "id" : i}
            //console.log(listeles[i].innerText);
            searchindexes[lunrid].add(text);
          }
        }
      }
    }
  }
}

function searchList(listid, searchid, searchstring) {
  var lunrid = document.getElementById(searchid).getAttribute('data-lid'),
  listeles = document.getElementById(listid).getElementsByTagName('li'),
  found = searchindexes[lunrid].search(searchstring),
  foundbool;
  
  for(var i = 0; i < listeles.length; i++) {
    foundbool = false;
    for(var j = 0; j < found.length; j++) {
      if(parseInt(found[j].ref) === i) {
        foundbool = true;
      }
    }
    if(listeles[i].hasAttribute('data-noindex') !== true) {
      if(foundbool) {
        listeles[i].style.backgroundColor = '#e1dac7';
        //listeles[i].style.opacity = 1;
        listeles[i].style.display = 'list-item';
      } else {
        listeles[i].style.backgroundColor = '#f5bca3';
        //listeles[i].style.opacity = 0.5;
        listeles[i].style.display = 'none';
      }
    }
  }
}