(this).parentNode.addClass("navigation-list__item_active");
$(this).parent().addClass("navigation-list__item_active");
$(this).closest(".navigation-list__item").addClass("navigation-list__item_active");
RewriteEngine On
RewriteBase /
RewriteRule sitemap.xml sitemap.php
$host=$_SERVER['HTTP_HOST'];
if($host=='site1.ru') echo file_get_contents('sitemap_xml_site1_ru.xml');
if($host=='site2.ru') echo file_get_contents('sitemap_xml_site2_ru.xml');