let array = [];
  function x_parentNode_insertBefore(src) {
  
  if(typeof isUnblocked != "undefined"){
  
    
    if(isUnblocked == true){
  
     
      var script = document.createElement('script');
      script.src = src;
      document.getElementsByTagName('head')[0].appendChild(script);
    }
  }
  
  
  array.push(src);
  }
  function first_parentNode_insertBefore(src){
  if(typeof isUnblocked != "undefined"){
    if(isUnblocked == true){
  
     
      var script = document.createElement('script');
      script.src = src;
      document.getElementsByTagName('head')[0].appendChild(script);
    }
  }
   
  array.push(src);
  }