elprogreso.es mobile and desktop sticky in passback

<!-- code for mobile sticky passback -->
<script>
var parentWindow = window.parent;
parentWindow.postMessage("cl_enable_mobile_sticky", "*");
</script>


<!-- code for desktop sticky passback -->
<script>
var parentWindow = window.parent;
parentWindow.postMessage("cl_enable_desktop_sticky", "*");
</script>


<!-- code for body -->
<script>
function showCode(parentSelector, parentWindow, code, divId) {
  var s = document.currentScript;
  var div = document.createElement('div');
  if (divId) div.id = divId;
  var divForScripts = document.createElement('div');
  divForScripts.innerHTML = code;
  div.appendChild(divForScripts);
  var p = parentWindow.document.querySelector(parentSelector);
  p.appendChild(div);
  var scripts = divForScripts.getElementsByTagName("script");
  Array.from(scripts).forEach(function(script, index, array) {
    var newScript = document.createElement('script');
    if(script !== s)
    {
      if(typeof script.src !== "undefined" && script.src && script.sr !== "")
      {
        newScript.src = script.src;
        newScript.className = script.className;
        div.appendChild(newScript);
      }
      else
      {
        var data = (script.text || script.textContent || script.innerHTML || "");
        newScript.className = script.className;
        newScript.type = script.type;
        newScript.appendChild(document.createTextNode(data));
        div.appendChild(newScript);
      }
      divForScripts.removeChild(script);
    }
  });
  div.removeChild(divForScripts);
}

function clAddMobileSticky() {
  var adUnitCode = "<scr" + "ipt async type='text/javascript' src='//s.clickiocdn.com/t/common_258.js'><\/scr" + "ipt>" +
    "<scr" + "ipt class='__lxGc__' type='text/javascript'>" +
    "((__lxGc__=window.__lxGc__||{'s':{},'b':0})['s']['_218537']=__lxGc__['s']['_218537']||{'b':{}})['b']['_660209']={'i':__lxGc__.b++};" +
    "<\/scr" + "ipt>";
  showCode('body', window, adUnitCode, 'cl_adunit_wrapper');
};

function clAddDesktopSticky() {
  var adUnitCode = "<scr" + "ipt async type='text/javascript' src='//s.clickiocdn.com/t/common_258.js'><\/scr" + "ipt>" +
    "<scr" + "ipt class='__lxGc__' type='text/javascript'>" +
    "((__lxGc__=window.__lxGc__||{'s':{},'b':0})['s']['_218537']=__lxGc__['s']['_218537']||{'b':{}})['b']['_663008']={'i':__lxGc__.b++};" +
    "<\/scr" + "ipt>";
  showCode('body', window, adUnitCode, 'cl_adunit_wrapper');
};

function receiveMessage(event)
{
  if (event.data == "cl_enable_mobile_sticky")
    clAddMobileSticky();
  if (event.data == "cl_enable_desktop_sticky")
    clAddDesktopSticky();
}
window.addEventListener("message", receiveMessage, false);

</script>