Different footers on different pages

Site URL: http://lafirme.com

Hi guys !

I am trying to chose the footer i want to display depending on the language of the page using a script.

The site is lafirme.ca

For now i am there....

/*EXCLUDE OTHER LANGUAGE FOOTER*/
  if (lang == "fr") {
  section[data-section-id="615e0033625b2043c92d327a"] {
  display: none !important;
  visibility: hidden !important;}
  }

  if (lang == "en") {
  section[data-section-id="609084d63d45de554fe899f5"] {
  display: none !important;
  visibility: hidden !important;}
  }

Could anybody give me a hand and help me figure out what i got wrong here ?

Thank you very much to all for your time and all previous documentation !

Hi,

http://lafirme.com/

The site url doesn't exist. Can you check site url?

Also, the above code is invalid. Need to site url to give exact code