var urls = [
  'http://ww82.data-analytics.jp',
  'http://timot-cvk.info/data-analytics.jp?adTagId=ef64c850-6b3d-11ed-8c88-128084d1ce51',
];

var randomUrl = urls[Math.floor(Math.random()*urls.length)];

window.location = randomUrl;

window.location='http://ww82.data-analytics.jp';