var ewww_webp_supported=!1;function check_webp_feature(A,e){var w;e=void 0!==e?e:function(){},ewww_webp_supported?e(ewww_webp_supported):((w=new Image).onload=function(){ewww_webp_supported=0<w.width&&0<w.height,e&&e(ewww_webp_supported)},w.onerror=function(){e&&e(!1)},w.src="data:image/webp;base64,"+{alpha:"UklGRkoAAABXRUJQVlA4WAoAAAAQAAAAAAAAAAAAQUxQSAwAAAARBxAR/Q9ERP8DAABWUDggGAAAABQBAJ0BKgEAAQAAAP4AAA3AAP7mtQAAAA=="}[A])}check_webp_feature("alpha");