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Need to install module/library.\n            $menuWrapper.hide().slideDown(250, function() { $menu.css('display', ''); });\n            // Scroll to top of page.\n            window.scrollTo(0, 0);\n          }\n          else {\n            $mainNav.toggleClass('is-open');\n            // TODO: Use jqueryUI instead for nicer animation?  Need to install module/library.\n            $menuWrapper.show().slideUp(250, function() { $menu.css('display', ''); });\n          }\n        });\n        // Make burger button tabbable.\n        $menuButton.attr('tabIndex', '0').once().keydown(function(e){\n          if (e.which == 13) { // Enter key pressed\n            if ($mainMenuState.prop('checked')) {\n              $mainMenuState.prop('checked', false);\n              // TODO: Use jqueryUI instead for nicer animation?  Need to install module/library.\n              $menuWrapper.show().slideUp(250, function() { $menu.css('display', ''); });\n            }\n            else {\n              $mainNav.toggleClass('is-open');\n              $mainMenuState.prop('checked', true);\n              // TODO: Use jqueryUI instead for nicer animation?  Need to install module/library.\n              $menuWrapper.hide().slideDown(250, function() { $menu.css('display', ''); });\n            }\n            // Scroll to top of page.\n            window.scrollTo(0, 0);\n            return false;\n          }\n        });\n        // Hide mobile menu beforeunload.\n        $(window).bind('beforeunload unload', function() {\n          if ($mainMenuState[0].checked) {\n            $mainMenuState[0].click();\n          }\n        });\n      }\n\n      // Scroll and fix nav to top of page.\n      $(window).scroll(function() {\n        if( $(this).scrollTop() > $headerHeight ) {\n          $body.addClass($isStickyClass);\n        } else {\n          $body.removeClass($isStickyClass);\n        }\n      });\n    },\n  };\n}(jQuery, Drupal));\n"],"file":"main-menu.js"}