text: ;(function($, window, document, undefined) {
  
    var pluginName = "metisMenu",
      defaults = {
        toggle: true,
        doubleTapToGo: false
      };
  
    function Plugin(element, options) {
      this.element = element;
      this.settings = $.extend({}, defaults, options);
      this._defaults = defaults;
      this._name = pluginName;
      this.init();
    }
  
    Plugin.prototype = {
      init: function() {
  
        var $this = $(this.element),
          $toggle = this.settings.toggle,
          obj = this;
  
        if (this.isIE() <= 9) {
          $this.find("li.active").has("ul").children("ul").collapse("show");
          $this.find("li").not(".active").has("ul").children("ul").collapse("hide");
        } else {
          $this.find("li.active").has("ul").children("ul").addClass("collapse in");
          $this.find("li").not(".active").has("ul").children("ul").addClass("collapse");
        }
  
        //add the "doubleTapToGo" class to active items if needed
        if (obj.settings.doubleTapToGo) {
          $this.find("li.active").has("ul").children("a").addClass("doubleTapToGo");
        }
  
        $this.find("li").has("ul").children("a").on("click", function(e) {
          e.preventDefault();
  
          //Do we need to enable the double tap
          if (obj.settings.doubleTapToGo) {
  
            //if we hit a second time on the link and the href is valid, navigate to that url
            if (obj.doubleTapToGo($(this)) && $(this).attr("href") !== "#" && $(this).attr("href") !== "") {
              e.stopPropagation();
              document.location = $(this).attr("href");
              return;
            }
          }
  
          $(this).parent("li").toggleClass("active").children("ul").collapse("toggle");
  
          if ($toggle) {
            $(this).parent("li").siblings().removeClass("active").children("ul.in").collapse("hide");
          }
  
        });
      },
      isIE: function() { //https://gist.github.com/padolsey/527683
        var undef,
          v = 3,
          div = document.createElement("div"),
          all = div.getElementsByTagName("i");
  
        while (
          div.innerHTML = "<!--[if gt IE " + (++v) + "]><i></i><![endif]-->",
          all[0]
        ) {
          return v > 4 ? v : undef;
        }
      },
      //Enable the link on the second click.
      doubleTapToGo: function(elem) {
        var $this = $(this.element);
  
        //if the class "doubleTapToGo" exists, remove it and return
        if (elem.hasClass("doubleTapToGo")) {
          elem.removeClass("doubleTapToGo");
          return true;
        }
  
        //does not exists, add a new class and return false
        if (elem.parent().children("ul").length) {
          //first remove all other class
          $this.find(".doubleTapToGo").removeClass("doubleTapToGo");
          //add the class on the current element
          elem.addClass("doubleTapToGo");
          return false;
        }
      }
  
    };
  
    $.fn[pluginName] = function(options) {
      this.each(function() {
        if (!$.data(this, "plugin_" + pluginName)) {
          $.data(this, "plugin_" + pluginName, new Plugin(this, options));
        }
      });
      return this;
    };
  
  })(jQuery, window, document);
  