Enable Form Protected Content to Download Immediately.

2128674-enabling-form-protected-content-to-download-immediately.js

<script type="text/javascript">
  var howLongToWait = 5; //number of seconds to wait
  var urlOfDownloadContent = 'http://www.example.com/whitepaper.pdf';
  function triggerDownload() {
  window.location = urlOfDownloadContent;
  }
  setTimeout('triggerDownload()', howLongToWait * 1000);
</script>