var _____WB$wombat$assign$function_____=function(name){return (self._wb_wombat && self._wb_wombat.local_init && self._wb_wombat.local_init(name))||self[name];};if(!self.__WB_pmw){self.__WB_pmw=function(obj){this.__WB_source=obj;return this;}}{ let window = _____WB$wombat$assign$function_____("window"); let self = _____WB$wombat$assign$function_____("self"); let document = _____WB$wombat$assign$function_____("document"); let location = _____WB$wombat$assign$function_____("location"); let top = _____WB$wombat$assign$function_____("top"); let parent = _____WB$wombat$assign$function_____("parent"); let frames = _____WB$wombat$assign$function_____("frames"); let opens = _____WB$wombat$assign$function_____("opens"); /** * navigation.js * * Handles toggling the navigation menu for small screens and enables tab * support for dropdown menus. */ ( function() { "use strict"; var container, button, menu, links, subMenus; container = document.getElementById( 'site-navigation' ); if ( ! container ) { return; } button = container.getElementsByTagName( 'button' )[0]; if ( 'undefined' === typeof button ) { return; } menu = container.getElementsByTagName( 'ul' )[0]; if ( -1 === menu.className.indexOf( 'nav-menu' ) ) { menu.className += ' nav-menu'; } function setARIA() { if ( 783 > window.innerWidth ) { button.setAttribute( 'aria-controls', 'primary-menu' ); button.setAttribute( 'aria-expanded', 'false' ); menu.setAttribute( 'aria-expanded', 'false' ); } else { button.removeAttribute( 'aria-controls' ); button.removeAttribute( 'aria-expanded' ); menu.removeAttribute( 'aria-expanded' ); } } button.onclick = function() { if ( -1 !== container.className.indexOf( 'toggled' ) ) { container.className = container.className.replace( ' toggled', '' ); button.setAttribute( 'aria-expanded', 'false' ); menu.setAttribute( 'aria-expanded', 'false' ); } else { container.className += ' toggled'; button.setAttribute( 'aria-expanded', 'true' ); menu.setAttribute( 'aria-expanded', 'true' ); } }; // Get all the link elements within the menu. links = menu.getElementsByTagName( 'a' ); subMenus = menu.getElementsByTagName( 'ul' ); // Set ARIA attributes properly. window.addEventListener( 'load', setARIA, false ); window.addEventListener( 'resize', setARIA, true ); // Set menu items with submenus to aria-haspopup="true". for ( var i = 0, len = subMenus.length; i < len; i++ ) { subMenus[i].parentNode.setAttribute( 'aria-haspopup', 'true' ); } // Each time a menu link is focused or blurred, toggle focus. for ( i = 0, len = links.length; i < len; i++ ) { links[i].addEventListener( 'focus', toggleFocus, true ); links[i].addEventListener( 'blur', toggleFocus, true ); } /** * Sets or removes .focus class on an element. */ function toggleFocus() { var self = this; // Move up through the ancestors of the current link until we hit .nav-menu. while ( -1 === self.className.indexOf( 'nav-menu' ) ) { // On li elements toggle the class .focus. if ( 'li' === self.tagName.toLowerCase() ) { if ( -1 !== self.className.indexOf( 'focus' ) ) { self.className = self.className.replace( ' focus', '' ); } else { self.className += ' focus'; } } self = self.parentElement; } } } )(); } /* FILE ARCHIVED ON 21:15:28 Jun 25, 2021 AND RETRIEVED FROM THE INTERNET ARCHIVE ON 19:51:42 Jan 14, 2026. JAVASCRIPT APPENDED BY WAYBACK MACHINE, COPYRIGHT INTERNET ARCHIVE. ALL OTHER CONTENT MAY ALSO BE PROTECTED BY COPYRIGHT (17 U.S.C. SECTION 108(a)(3)). */ /* playback timings (ms): captures_list: 0.789 exclusion.robots: 0.026 exclusion.robots.policy: 0.011 esindex: 0.02 cdx.remote: 8.408 LoadShardBlock: 127.815 (3) PetaboxLoader3.datanode: 114.547 (4) PetaboxLoader3.resolve: 65.392 (2) load_resource: 88.131 */