title: clicking on links after closed iframe not available
body: <p>have <code>index.html</code>, and opening iframe with content of other page <code>"test.html"</code> on top of it.
  iam closing iframe, just changing url at the moment</p>
  
  <p>JS:</p>
  
  <pre><code>  function confirmCloseIframe() {
  
              doIt = confirm('wanna close Iframe?');
  
              if (doIt) {
                  window.location = "/index.html"
              }
          }
  </code></pre>
  
  <p>links of index.html behind this iframe are not more clickable.
  do you now why?</p>