function showMsg(url){
  var back_div = document.createElement('div');
  back_div.id = 'MsgBackground';
  document.body.appendChild(back_div);

  var conjoin = new Conjoin();
  var html = conjoin.get(url);

  var msg_div = document.createElement("div");
  msg_div.id = "MsgBox";

  msg_div.innerHTML = html+"<br><input id='msg_button' type='button' value='OK'>";
  document.body.appendChild(msg_div);

  var killer_fn = function (event){
    document.body.removeChild(back_div);
    document.body.removeChild(msg_div);
  } 
  document.getElementById("msg_button").onclick = killer_fn;
  setTimeout(killer_fn,9000);
}