text: $(document).ready(function () {
      var AFFIX_TOP_LIMIT = 300;
      var AFFIX_OFFSET = 49;
  
      var $menu = $("#menu"),
  		$btn = $("#menu-toggle");
  
      $("#menu-toggle").on("click", function () {
          $menu.toggleClass("open");
          return false;
      });
  
  
      $(".docs-nav").each(function () {
          var $affixNav = $(this),
  			$container = $affixNav.parent(),
  			affixNavfixed = false,
  			originalClassName = this.className,
  			current = null,
  			$links = $affixNav.find("a");
  
          function getClosestHeader(top) {
              var last = $links.first();
  
              if (top < AFFIX_TOP_LIMIT) {
                  return last;
              }
  
              for (var i = 0; i < $links.length; i++) {
                  var $link = $links.eq(i),
  					href = $link.attr("href");
  
                  if (href.charAt(0) === "#" && href.length > 1) {
                      var $anchor = $(href).first();
  
                      if ($anchor.length > 0) {
                          var offset = $anchor.offset();
  
                          if (top < offset.top - AFFIX_OFFSET) {
                              return last;
                          }
  
                          last = $link;
                      }
                  }
              }
              return last;
          }
  
  
          $(window).on("scroll", function (evt) {
              var top = window.scrollY,
  		    	height = $affixNav.outerHeight(),
  		    	max_bottom = $container.offset().top + $container.outerHeight(),
  		    	bottom = top + height + AFFIX_OFFSET ;
  
              if (affixNavfixed) {
                  if (top <= AFFIX_TOP_LIMIT) {
                      $affixNav.removeClass("fixed");
                      $affixNav.css("top", 0);
                      affixNavfixed = false;
                  } else if (bottom > max_bottom) {
                      $affixNav.css("top", (max_bottom - height) - top );
                  } else {
                      $affixNav.css("top", AFFIX_OFFSET);
                  }
              } else if (top > AFFIX_TOP_LIMIT) {
                  $affixNav.addClass("fixed");
                  affixNavfixed = true;
              }
  
              var $current = getClosestHeader(top);
              if (current !== $current) {
                  $affixNav.find(".active").removeClass("active");
                  $current.addClass("active");
                  current = $current;
              }
          });
      });
  
  });
  