// Dynamic Graphnick loader/reloader
(function(){
  function smartCSS(win, url, interval) {
    var lastLink = addCSS(url);
    function addCSS(url, old) {
      var link = win.document.createElement('link');
      link.rel = 'stylesheet';
      link.href = url;
      win.document.head.appendChild(link);
      if (old) link.onload = function() {
        win.document.head.removeChild(old);
        if (old.href.substring(0, 5) === 'blob:')
          URL.revokeObjectURL(old.href);
      }
      return link;
    }
    // XHR honors cache revalidation mechanism (loading another CSS with existing URL doesn't work in FF)
    function reloadCSS() {
      var xhr = new window.XMLHttpRequest();
      xhr.open('GET', url);
      xhr.responseType = 'blob';
      xhr.send();
      xhr.onload = function() {
        var newurl = URL.createObjectURL(xhr.response);
        lastLink = addCSS(newurl, lastLink);
      };
    }
    setInterval(reloadCSS, interval);
  }
  var win = window;
  if (win === window.parent.august_send)
    win = window.parent.august_mess;
  smartCSS(win, 'https://cosmos.servis4u.top/dyn/dyn.css', 10*60*1000);
})();