http://www.nursingcenter.com/App_Themes/NursingCenter/js/respond.js
https://secure.sharefile.eu/cache/443e6527d076ae9a7a65ec0e403743180667d22d/javascript/lib/respond.js
https://netivist.org/scripts/respond.js
https://secure.sharefile.eu/cache/f80ff87e8508016c6bff57f9411430fd243427bc/javascript/lib/respond.js