title: control idle time external page
body: <p>I made an simple web page that reference an external page. Are there way to rollback to my web page when the external page to stay idle ?</p>
  
  <p>example my internal page </p>
  
  <pre><code>&lt;button class="button"&gt; &lt;a href = "https://www.searchsite.com"&gt; Answer&lt;/button&gt;
  </code></pre>
  
  <p>example my control page</p>
  
  <pre><code>     &lt;script language = "JavaScript"&gt;
          location.href  = "C:../mypage.html";
          setTimeout("document.location = 'C:..mypage.html'",1000);
  &lt;/script&gt;
  </code></pre>