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sources,i,len;elem._lazysizesWidth=width;width+='px';elem.setAttribute('sizes',width);if(regPicture.test(parent.nodeName||'')){sources=parent.getElementsByTagName('source');for(i=0,len=sources.length;i0){if(!header.hasClass('active')){header.addClass('active');}} else{if(header.hasClass('active')){header.removeClass('active');}}} viewport.scroll(function(){viewportPosition=viewport.scrollTop();headerBackgroundState();});viewport.resize(function(){viewportWidth=viewport.outerWidth(true);});} $(document).ready(function(){initBackgroundChange();});;; function initPrimaryNav(){let header=$('#header');let primaryNav=$('#primary-nav');let primaryNavLinks=primaryNav.find('.primary-sub-nav-wrapper');let primarySubNavs=primaryNav.find('.primary-sub-nav-content');let primaryNavTrigger=$('#primary-nav-trigger');let topLevelMenuItems=primaryNav.find('.primary-sub-nav-wrapper > a, .primary-sub-nav-wrapper > button');let subNavLinks=primaryNav.find('.primary-sub-nav-links > li > a');let subNavTabs=primaryNav.find('.sub-nav-tabs > li');let subNavTabDivs=primaryNav.find('.sub-nav-tabs > li > div.tab-group-name');if($(window).height()<700&&$(window).outerWidth(true)>992){header.css('position','absolute');} var curTimedOpenMenuCommand;var curTimedCloseMenuCommand;if(primaryNavTrigger.length){primaryNavTrigger.click(function(){if(header.hasClass('primary-nav-active')){header.removeClass('primary-nav-active');primaryNavTrigger.find('.menu-label').text('Menu');$("body").removeClass("scroll-lock");setTabIndex(topLevelMenuItems,-1);} else{header.addClass('primary-nav-active');primaryNavTrigger.find('.menu-label').text('Close');$("body").addClass("scroll-lock");setTabIndex(topLevelMenuItems,0);}});} subNavTabs.click(function(e){if(e.target!=this&&e.target!=$(this).find('.primary-sub-tab-nav-trigger')[0])return;e.preventDefault();if($(this).hasClass('sub-nav-active')){$(this).removeClass('sub-nav-active');closeSubGroupMenu($(this));} else{subNavTabs.each(function(){$(this).removeClass('sub-nav-active');});$(this).addClass('sub-nav-active');openSubGroupMenu($(this));}});let primarySubNavTriggers=primaryNav.find('.primary-sub-nav-trigger');if(primarySubNavTriggers.length){if($(window).outerWidth(true)<992){primarySubNavTriggers.each(function(){if($(this).parent().hasClass('primary-sub-nav-active')){openMenuItem($(this).parent());}});} primarySubNavTriggers.click(function(e){e.preventDefault();let subMenuTabs=$('.sub-nav-tabs li');subMenuTabs.each(function(){$(this).removeClass('sub-nav-active');closeSubGroupMenu($(this));});if($(this).parent().hasClass('primary-sub-nav-active')){closeMenuItem($(this).parent());setTabIndex(subNavTabDivs,-1);setTabIndex(subNavLinks,-1);} else{primaryNavLinks.each(function(){closeMenuItem($(this));});openMenuItem($(this).parent());setTabIndex(subNavTabDivs,0);setTabIndex(subNavLinks,0);}});} if($(window).outerWidth(true)>991){if(primaryNavLinks.length){primaryNavLinks.hover(function(){var that=$(this);if(curTimedOpenMenuCommand){clearTimeout(curTimedOpenMenuCommand);} curTimedOpenMenuCommand=setTimeout(function(){openMenuItem(that)},200);},function(){if(curTimedCloseMenuCommand){clearTimeout(curTimedCloseMenuCommand);} curTimedCloseMenuCommand=setTimeout(closeAllMenus,200);});primaryNavLinks.first().addClass('first');primaryNavLinks.last().addClass('last');var letterOffset=0;var letterCount=0;primarySubNavs.each(function(){var offset=$(this).parent().parent().position().left-primaryNavLinks.first().position().left-letterOffset;letterCount=$(this).parent().parent().attr('content').length;letterOffset=parseInt(letterCount/4);var leftSetting=-parseInt(offset);$(this).css('left',leftSetting.toString()+'px');var subTabMenuWidth=$(this).width();let primarySubNavTabWrapper=$(this).find('.sub-nav-tabs');if(primarySubNavTabWrapper.length){var subTabMenuHeight=primarySubNavTabWrapper.height();let primarySubNavTabs=primarySubNavTabWrapper.find(' > li');primarySubNavTabs.hover(function(){openSubGroupMenu($(this));},function(){closeSubGroupMenu($(this));});primarySubNavTabs.each(function(){let subTabMenu=$(this).find('.group-sub-nav').first();var subtopSetting=subTabMenuHeight;subTabMenu.css('top',subtopSetting.toString()+'px');subTabMenu.css('width',subTabMenuWidth.toString()+'px');});}});}} let primaryNavAnchorLinks=primaryNav.find('.primary-sub-nav-wrapper > a');if(primaryNavAnchorLinks.length){primaryNavAnchorLinks.focus(function(){let subMenuTabDivs=$('.sub-nav-tabs li > div.tab-group-name.focused');subMenuTabDivs.each(function(){$(this).removeClass("focused");});let subMenuTabs=$('.sub-nav-tabs li');subMenuTabs.each(function(){$(this).removeClass('sub-nav-active');closeSubGroupMenu($(this));});let subMenuItems=$('.primary-sub-nav-content.focused');subMenuItems.each(function(){$(this).removeClass("focused");});$(this).keydown(function(e){if(e.keyCode==40){$(this).siblings(".primary-sub-nav ").find(".primary-sub-nav-content").addClass("focused");primaryNavLinks.each(function(){closeMenuItem($(this));});openMenuItem($(this).parent());setTabIndex(subNavTabDivs,0);}});});primaryNavAnchorLinks.each(function(){let subNav=$(this).siblings(".primary-sub-nav");if(subNav.length){let subNavTabBlock=subNav.find(".primary-sub-nav-content > div > .sub-nav-tabs");if(subNavTabBlock.length){let finalSubTab=subNavTabBlock.find(".group-sub-nav").last();if(finalSubTab.length){if(finalSubTab.hasClass("has-panels")){finalSubTab.find(".primary-sub-nav-panels > .panel").each(function(){if(!$(this).next().length){$(this).find("a").last().addClass("last-member");} $(this).find(".last-member").focusout(function(){let subMenuTabs=$('.sub-nav-tabs li > div.tab-group-name.focused');subMenuTabs.each(function(){$(this).removeClass("focused");closeSubGroupMenu($(this).parent());});let subMenuItems=$('.primary-sub-nav-content.focused');subMenuItems.each(function(){$(this).removeClass("focused");});primaryNavLinks.each(function(){closeMenuItem($(this));});});});} else{finalSubTab.find(".primary-sub-nav-links > .level-2").each(function(){if(!$(this).next().length){$(this).find("a").addClass("last-member");} $(this).find(".last-member").focusout(function(){let subMenuTabs=$('.sub-nav-tabs li > div.tab-group-name.focused');subMenuTabs.each(function(){$(this).removeClass("focused");closeSubGroupMenu($(this).parent());});let subMenuItems=$('.primary-sub-nav-content.focused');subMenuItems.each(function(){$(this).removeClass("focused");});primaryNavLinks.each(function(){closeMenuItem($(this));});});});}}} if(subNav.hasClass("has-panels")){subNav.find(".primary-sub-nav-content > div > .primary-sub-nav-panels > .panel").each(function(){if(!$(this).next().length){$(this).find("a").last().addClass("last-member");} $(this).find(".last-member").focusout(function(){let subMenuTabs=$('.sub-nav-tabs li.focused');subMenuTabs.each(function(){$(this).removeClass("focused");closeSubGroupMenu($(this));});let subMenuItems=$('.primary-sub-nav-content.focused');subMenuItems.each(function(){$(this).removeClass("focused");});primaryNavLinks.each(function(){closeMenuItem($(this));});});});}else{subNav.find(".primary-sub-nav-content > div > .primary-sub-nav-links > .level-2").each(function(){if(!$(this).next().length){$(this).find("a").addClass("last-member");} $(this).find(".last-member").focusout(function(){let subMenuTabs=$('.sub-nav-tabs li > div.tab-group-name.focused');subMenuTabs.each(function(){$(this).removeClass("focused");closeSubGroupMenu($(this).parent());});let subMenuItems=$('.primary-sub-nav-content.focused');subMenuItems.each(function(){$(this).removeClass("focused");});primaryNavLinks.each(function(){closeMenuItem($(this));});});});}}});} if(subNavTabDivs.length){subNavTabDivs.click(function(){if($(this).parent().hasClass('sub-nav-active')){$(this).parent().removeClass('sub-nav-active');closeSubGroupMenu($(this).parent());} else{let subMenuTabs=$('.sub-nav-tabs li');subMenuTabs.each(function(){$(this).removeClass('sub-nav-active');closeSubGroupMenu($(this));});$(this).parent().addClass('sub-nav-active');openSubGroupMenu($(this).parent());$(this).parent()[0].scrollIntoView({behavior:"smooth",block:"start",inline:"nearest"});}});subNavTabDivs.focus(function(){let subMenuTabs=$('.sub-nav-tabs li > div.tab-group-name.focused');subMenuTabs.each(function(){$(this).removeClass("focused");closeSubGroupMenu($(this).parent());});let subMenuItems=$('.primary-sub-nav-content.focused');subMenuItems.each(function(){$(this).removeClass("focused");});$(this).addClass("focused");$(this).keydown(function(e){if(e.keyCode==40){let subMenuTabs=$('.sub-nav-tabs li');subMenuTabs.each(function(){$(this).removeClass('sub-nav-active');closeSubGroupMenu($(this));});$(this).parent().addClass('sub-nav-active');openSubGroupMenu($(this).parent());$(this).parent()[0].scrollIntoView({behavior:"smooth",block:"start",inline:"nearest"});} if(e.key==="Enter"){if($(this).parent().hasClass('sub-nav-active')){$(this).parent().removeClass('sub-nav-active');closeSubGroupMenu($(this).parent());} else{let subMenuTabs=$('.sub-nav-tabs li');subMenuTabs.each(function(){$(this).removeClass('sub-nav-active');closeSubGroupMenu($(this));});$(this).parent().addClass('sub-nav-active');openSubGroupMenu($(this).parent());$(this).parent()[0].scrollIntoView({behavior:"smooth",block:"start",inline:"nearest"});}}});});} if(window.matchMedia('(max-width: 991px)').matches){let level1MobileAnchorLinks=primaryNav.find('.level-1 > a');level1MobileAnchorLinks.click(function(e){e.preventDefault();let subMenuTabs=$('.sub-nav-tabs li');subMenuTabs.each(function(){$(this).removeClass('sub-nav-active');closeSubGroupMenu($(this));});if($(this).parent().hasClass('primary-sub-nav-active')){closeMenuItem($(this).parent());setTabIndex(subNavTabDivs,-1);setTabIndex(subNavLinks,-1);} else{primaryNavLinks.each(function(){closeMenuItem($(this));});openMenuItem($(this).parent());setTabIndex(subNavTabDivs,0);setTabIndex(subNavLinks,0);}});let level1MobileLinks=primaryNav.find('.level-1');if(level1MobileLinks.length){level1MobileLinks.each(function(){let primarySubNav=$(this).find('.primary-sub-nav');let toggleButtons=$(this).children('.primary-sub-nav-trigger') if(toggleButtons.length){toggleButtons.on("keypress",function(event){if(event.key==="Enter"){$(this).siblings('.primary-sub-nav').find('.level-2').children('a').attr('tabindex',function(index,attr){return attr=="-1"?"0":"-1";});}});} $(this).children('a').attr("tabindex","-1");if(primarySubNav.length){primarySubNav.each(function(){let level2Links=$(this).find('a') if(level2Links.length){level2Links.each(function(){$(this).attr("tabindex","-1");});}});}});} if(primaryNavTrigger.length){primaryNavTrigger.on("keypress",function(event){if(event.key==="Enter"){if(level1MobileLinks.length){level1MobileLinks.children('a').attr('tabindex',function(index,attr){return attr=="-1"?"0":"-1";});level1MobileLinks.children('.primary-sub-nav-trigger').attr('tabindex',function(index,attr){return attr=="-1"?"0":"-1";});level1MobileLinks.each(function(){if($(this).hasClass('primary-sub-nav-active')){$(this).find('.level-2').find('a').attr("tabindex","0");}})}}});}} $(document).keyup(function(event){if(event.which===27){let subMenuTabDivs=$('.sub-nav-tabs li > div.tab-group-name.focused');subMenuTabDivs.each(function(){$(this).removeClass("focused");});let subMenuTabs=$('.sub-nav-tabs li');subMenuTabs.each(function(){$(this).removeClass('sub-nav-active');closeSubGroupMenu($(this));});let subMenuItems=$('.primary-sub-nav-content.focused');subMenuItems.each(function(){$(this).removeClass("focused");});primaryNavLinks.each(function(){closeMenuItem($(this));});}});} function closeAllMenus(){var primaryNav=$('#primary-nav');var primaryNavLinks=primaryNav.find('.primary-sub-nav-wrapper');primaryNavLinks.each(function(){closeMenuItem($(this));});} function openMenuItem($item){$item.addClass('hover').addClass('primary-sub-nav-active');primarySubNav=$item.find('.primary-sub-nav-trigger').next();primarySubNavHeight=primarySubNav.children('.primary-sub-nav-content').outerHeight();primarySubNav.css({'display':'block'});if($(window).outerWidth(true)>991){primarySubNav.css({'max-height':primarySubNavHeight});} if($item.hasClass('level-2')){$item.closest('.primary-sub-nav').addClass('overflow-visible');} $item.find('> [aria-expanded="false"]').attr("aria-expanded","true");inSchemeNavs=$('#primary-nav').find('.primary-nav-links > li.inscheme');inSchemeNavs.each(function(){$(this).removeClass("inscheme");$(this).addClass("inschemelog");});currentlyViewingOverlay=$('#currentlyViewing');if(currentlyViewingOverlay.length){currentlyViewingOverlay.addClass('showlog');currentlyViewingOverlay.addClass('hidden');}} function closeMenuItem($item){$item.removeClass('hover').removeClass('primary-sub-nav-active');if($(window).outerWidth(true)>991){$item.find('.primary-sub-nav-trigger').next().css({'max-height':0});} $item.find('.primary-sub-nav-trigger').next().css({'display':'none'});if($item.hasClass('level-2')){$item.closest('.primary-sub-nav').removeClass('overflow-visible');} $item.find('> [aria-expanded="true"]').attr("aria-expanded","false");inSchemeNavs=$('#primary-nav').find('.primary-nav-links > li.inschemelog');inSchemeNavs.each(function(){$(this).removeClass("inschemelog");$(this).addClass("inscheme");});currentlyViewingOverlay=$('#currentlyViewing.showlog');if(currentlyViewingOverlay.length){currentlyViewingOverlay.removeClass('showlog');currentlyViewingOverlay.removeClass('hidden');}} function openSubGroupMenu($item){var subleft=$item.position().left;var subleftSetting=-subleft;$item.addClass('hover');$item.attr("aria-expanded","true");var groupMenuId='#subnavid-'+$item.data('subnavid');$(groupMenuId).css('left',subleftSetting.toString()+'px');$(groupMenuId).addClass('show');setTabIndex($(groupMenuId+' .primary-sub-nav-links li > li > a').find(),0);} function closeSubGroupMenu($item){$item.removeClass('hover');$item.attr("aria-expanded","false");var groupMenuId='#subnavid-'+$item.data('subnavid');$(groupMenuId).removeClass('show');setTabIndex($(groupMenuId+' .primary-sub-nav-links > li > a').find(),-1);} setTimeout(function(){var $toTopButton=$("body > .to-top");var $skipContentButton=$("body > .skip");if($toTopButton.length){$toTopButton.on("click",function(e){e.preventDefault();$('html, body').animate({scrollTop:0},'300');$skipContentButton.focus();});$toTopButton.on("keypress",function(event){if(event.key==="Enter"){$(this).click();}});let showHideToTop=throttle(function(){if($(window).scrollTop()>600){$toTopButton.addClass('active');}else{$toTopButton.removeClass('active');}},200);$(window).scroll(function(){showHideToTop();});}},500);function setTabIndex(items,tabIndex){$(items).each((index,item)=>{$(item).attr('tabIndex',tabIndex);});} $(document).ready(function(){initPrimaryNav();});;;