Page GO Merci

<script>
function setCookie(cname, cvalue, exdays) {
  var d = new Date();
  d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
  var expires = "expires="+d.toUTCString();
  document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
}

function getCookie(cname) {
  var name = cname + "=";
  var ca = document.cookie.split(';');
  for(var i = 0; i < ca.length; i++) {
    var c = ca[i];
    while (c.charAt(0) == ' ') {
      c = c.substring(1);
    }
    if (c.indexOf(name) == 0) {
      return c.substring(name.length, c.length);
    }
  }
  return "";
}

setCookie("boutiquemerci","OUI",365);
 var mydestination = '';
var mybutton = '';

if (getCookie("boutiquedestination") != "") {
mydestination = decodeURIComponent(getCookie("boutiquedestination"));
 getAutotags();
}

function getAutotags() {
  mybutton = document.querySelector("[data-tag='MONLIEN']");

  if ( mybutton == null ) {
    setTimeout(getAutotags, 1000);
    console.log('nope ... ');
  } else {
    console.log('mybutton : '+mybutton);
    setDatas();
  }
}

function setDatas() {
  el = document.querySelector("[data-tag='MONLIEN'] > div.mobile-element > a");
  el.href = mydestination;
  el = document.querySelector("[data-tag='MONLIEN'] > div.desktop-element > a");
  el.href = mydestination;
}

</script>