http://www.lalung.vn/templates/default/js/responsiveImg.js
https://www.platino.com.gt//sites/all/themes/platino/js/responsiveImg.js
https://www.kosmetikkaufhaus.de/js/responsiveImg.js
http://akom.ru/bitrix/templates/eshop_adapt_/js/responsiveImg.js
http://mjdma.org/jscript/responsiveImg.js