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/*
 * jQuery Superfish Menu Plugin - v1.7.5
 * Copyright (c) 2014 Joel Birch
 *
 * Dual licensed under the MIT and GPL licenses:
 *  http://www.opensource.org/licenses/mit-license.php
 *  http://www.gnu.org/licenses/gpl.html
 */

;(function ($, w) {
  "use strict";

  var methods = (function () {
    // private properties and methods go here
    var c = {
        bcClass: 'sf-breadcrumb',
        menuClass: 'sf-js-enabled',
        anchorClass: 'sf-with-ul',
        menuArrowClass: 'sf-arrows'
      },
      ios = (function () {
        var ios = /iPhone|iPad|iPod/i.test(navigator.userAgent);
        if (ios) {
          // iOS clicks only bubble as far as body children
          $(w).load(function () {
            $('body').children().on('click', $.noop);
          });
        }
        return ios;
      })(),
      wp7 = (function () {
        var style = document.documentElement.style;
        return ('behavior' in style && 'fill' in style && /iemobile/i.test(navigator.userAgent));
      })(),
      unprefixedPointerEvents = (function () {
        return (!!w.PointerEvent);
      })(),
      toggleMenuClasses = function ($menu, o) {
        var classes = c.menuClass;
        if (o.cssArrows) {
          classes += ' ' + c.menuArrowClass;
        }
        $menu.toggleClass(classes);
      },
      setPathToCurrent = function ($menu, o) {
        return $menu.find('li.' + o.pathClass).slice(0, o.pathLevels)
          .addClass(o.hoverClass + ' ' + c.bcClass)
            .filter(function () {
              return ($(this).children(o.popUpSelector).hide().show().length);
            }).removeClass(o.pathClass);
      },
      toggleAnchorClass = function ($li) {
        $li.children('a').toggleClass(c.anchorClass);
      },
      toggleTouchAction = function ($menu) {
        var msTouchAction = $menu.css('ms-touch-action');
        var touchAction = $menu.css('touch-action');
        touchAction = touchAction || msTouchAction;
        touchAction = (touchAction === 'pan-y') ? 'auto' : 'pan-y';
        $menu.css({
          'ms-touch-action': touchAction,
          'touch-action': touchAction
        });
      },
      applyHandlers = function ($menu, o) {
        var targets = 'li:has(' + o.popUpSelector + ')';
        if ($.fn.hoverIntent && !o.disableHI) {
          $menu.hoverIntent(over, out, targets);
        }
        else {
          $menu
            .on('mouseenter.superfish', targets, over)
            .on('mouseleave.superfish', targets, out);
        }
        var touchevent = 'MSPointerDown.superfish';
        if (unprefixedPointerEvents) {
          touchevent = 'pointerdown.superfish';
        }
        if (!ios) {
          touchevent += ' touchend.superfish';
        }
        if (wp7) {
          touchevent += ' mousedown.superfish';
        }
        $menu
          .on('focusout.superfish', 'li', out)
          .on(touchevent, 'a', o, touchHandler);
      },
      touchHandler = function (e) {
        var $this = $(this),
          $ul = $this.siblings(e.data.popUpSelector);

        if ($ul.length > 0 && $ul.is(':hidden')) {
          $this.one('click.superfish', false);
          if (e.type === 'MSPointerDown' || e.type === 'pointerdown') {
            $this.trigger('focus');
          } else {
            $.proxy(over, $this.parent('li'))();
          }
        }
      },
      over = function () {
        var $this = $(this),
          o = getOptions($this);
        clearTimeout(o.sfTimer);
        $this.siblings().superfish('hide').end().superfish('show');
      },
      out = function () {
        var $this = $(this),
          o = getOptions($this);
        if (ios) {
          $.proxy(close, $this, o)();
        }
        else {
          clearTimeout(o.sfTimer);
          o.sfTimer = setTimeout($.proxy(close, $this, o), o.delay);
        }
      },
      close = function (o) {
        o.retainPath = ($.inArray(this[0], o.$path) > -1);
        this.superfish('hide');

        if (!this.parents('.' + o.hoverClass).length) {
          o.onIdle.call(getMenu(this));
          if (o.$path.length) {
            $.proxy(over, o.$path)();
          }
        }
      },
      getMenu = function ($el) {
        return $el.closest('.' + c.menuClass);
      },
      getOptions = function ($el) {
        return getMenu($el).data('sf-options');
      };

    return {
      // public methods
      hide: function (instant) {
        if (this.length) {
          var $this = this,
            o = getOptions($this);
          if (!o) {
            return this;
          }
          var not = (o.retainPath === true) ? o.$path : '',
            $ul = $this.find('li.' + o.hoverClass).add(this).not(not).removeClass(o.hoverClass).children(o.popUpSelector),
            speed = o.speedOut;

          if (instant) {
            $ul.show();
            speed = 0;
          }
          o.retainPath = false;
          o.onBeforeHide.call($ul);
          $ul.stop(true, true).hide();
            var $this = $(this);
            o.onHide.call($this);
        }
        return this;
      },
      show: function () {
        var o = getOptions(this);
        if (!o) {
          return this;
        }
        var $this = this.addClass(o.hoverClass),
          $ul = $this.children(o.popUpSelector);

        o.onBeforeShow.call($ul);
        $ul.stop(true, true).show();
          o.onShow.call($ul);

        // ==================================================================================
        // MEGAFIX
        // ==================================================================================
        var subUL = this.children('ul').first();

        if( subUL.length ){

          var winWidth  = $(window).width(),
            locUL   = subUL.offset().left + subUL.width();
          
          if ( ( locUL > winWidth || subUL.parent().parent().hasClass('on-viewport') ) ) {
            var parent = subUL.parent().parent();
            if ( parent.hasClass('sf-menu') ) {
              subUL.css('left', '-' + ( locUL - winWidth ) + 'px');
            } else {
              subUL.addClass('on-viewport');
              subUL.css('left', '-' + ( subUL.width() ) + 'px');
            }
          }
          
        }
        // ==================================================================================

        return this;
      },
      destroy: function () {
        return this.each(function () {
          var $this = $(this),
            o = $this.data('sf-options'),
            $hasPopUp;
          if (!o) {
            return false;
          }
          $hasPopUp = $this.find(o.popUpSelector).parent('li');
          clearTimeout(o.sfTimer);
          toggleMenuClasses($this, o);
          toggleAnchorClass($hasPopUp);
          toggleTouchAction($this);
          // remove event handlers
          $this.off('.superfish').off('.hoverIntent');
          // clear animation's inline display style
          $hasPopUp.children(o.popUpSelector).attr('style', function (i, style) {
            return style.replace(/display[^;]+;?/g, '');
          });
          // reset 'current' path classes
          o.$path.removeClass(o.hoverClass + ' ' + c.bcClass).addClass(o.pathClass);
          $this.find('.' + o.hoverClass).removeClass(o.hoverClass);
          o.onDestroy.call($this);
          $this.removeData('sf-options');
        });
      },
      init: function (op) {
        return this.each(function () {
          var $this = $(this);
          if ($this.data('sf-options')) {
            return false;
          }
          var o = $.extend({}, $.fn.superfish.defaults, op),
            $hasPopUp = $this.find(o.popUpSelector).parent('li');
          o.$path = setPathToCurrent($this, o);

          $this.data('sf-options', o);

          toggleMenuClasses($this, o);
          toggleAnchorClass($hasPopUp);
          toggleTouchAction($this);
          applyHandlers($this, o);

          $hasPopUp.not('.' + c.bcClass).superfish('hide', true);

          o.onInit.call(this);
        });
      }
    };
  })();

  $.fn.superfish = function (method, args) {
    if (methods[method]) {
      return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
    }
    else if (typeof method === 'object' || ! method) {
      return methods.init.apply(this, arguments);
    }
    else {
      return $.error('Method ' +  method + ' does not exist on jQuery.fn.superfish');
    }
  };

  $.fn.superfish.defaults = {
    popUpSelector: 'ul,.sf-mega', // within menu context
    hoverClass: 'sfHover',
    pathClass: 'overrideThisToUse',
    pathLevels: 1,
    delay: 800,
    animation: {opacity: 'show'},
    animationOut: {opacity: 'hide'},
    speed: 'normal',
    speedOut: 'fast',
    cssArrows: true,
    disableHI: false,
    onInit: $.noop,
    onBeforeShow: $.noop,
    onShow: $.noop,
    onBeforeHide: $.noop,
    onHide: $.noop,
    onIdle: $.noop,
    onDestroy: $.noop
  };

})(jQuery, window);