Add facebook customer chat to webpage with dialog window closed

<script>
   window.fbAsyncInit = function() {
      FB.init({
         appId      : 'XXXXXXXXX',
         xfbml      : true,
         version    : 'v3.2'
      });
   };

   (function(d, s, id){
      var js, fjs = d.getElementsByTagName(s)[0];
      if (d.getElementById(id)) {return;}
      js = d.createElement(s); js.id = id;
      js.src = "https://connect.facebook.net/en_US/sdk/xfbml.customerchat.js";
      fjs.parentNode.insertBefore(js, fjs);
   }(document, 'script', 'facebook-jssdk'));
</script>
<div class="fb-customerchat"
     attribution=setup_tool
     page_id="XXXXXXXXXX"
     theme_color="#C3002F"
     greeting_dialog_display="hide"
     logged_in_greeting="Velkommen! Hva kan vi hjelpe deg med?"
     logged_out_greeting="Velkommen! Hva kan vi hjelpe deg med?">

</div>