Video has disapeared!

Working page contains this code:

Line 21

<div class="video_drawer" id="videoDrawer">

   <div class="close" id="drawerClose">+</div>

   <div class="frame_wrapper">

   <div id="player"></div>

   </div>

   </div>

Line 117

<div class="row video">

   <div class="left_block video_placeholder" id="videoPlaceholder">

  <a href="#top"><img src="http://offers.premierinc.com/rs/381-NBB-525/images/16389_play.svg" alt="" class="play_button" id="placeHolderPlayButton"></a>

   <div class="overlay"></div>

   <video loop id="videoPH" class="videoPH">

   <source src="http://offers.premierinc.com/rs/381-NBB-525/images/16389_PR_VideoLoop.mp4">

   <source src="http://offers.premierinc.com/rs/381-NBB-525/images/16389_PR_VideoLoop.webmhd.webm">

   <source src="http://offers.premierinc.com/rs/381-NBB-525/images/16389_PR_VideoLoop.oggtheora.ogv">

   </video>

   </div>

Line 167

<script>

  //load the IFrame Player API code asynchronously
  var tag = document.createElement('script');

  tag.src = "https://www.youtube.com/iframe_api";
  var firstScriptTag = document.getElementsByTagName('script')[0];
  firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);

  //will be youtube player references once API is loaded
  var player;

  function onYouTubeIframeAPIReady() {
  player = new YT.Player('player', {
  height: '390',
  width: '640',
  videoId: 'OuVj3tYLadw',
  playerVars: {
  controls: 0,
  showinfo: 0,
  rel: 0
  }
  });
  $('.frame_wrapper').fitVids();
  }
   </script>

========================

Non-working page:

Line 29

<div class="video_drawer" id="videoDrawer">

   <div class="close" id="drawerClose">+</div>

   <div class="frame_wrapper">

   <div id="player"></div>

   </div>

   </div>

Line 106 -- no links or video files

<div class="row video">

   <div class="left_block video_placeholder" id="videoPlaceholder">

   <div class="text_wrapper2">
   <p class="valign">Find out if you qualify for a FREE trial:</p><i class="fa fa-arrow-right" aria-hidden="true" style="color:#ffc627; font-size:4rem"></i></div>

   <video loop id="videoPH" class="videoPH">

   <source src="http://offers.premierinc.com/rs/381-NBB-525/images/CA_tablet.jpg">
   </video>

   </div>

Line 187

<script>

  //load the IFrame Player API code asynchronously
  var tag = document.createElement('script');

  tag.src = "https://www.youtube.com/iframe_api";
  var firstScriptTag = document.getElementsByTagName('script')[0];
  firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);

  //will be youtube player references once API is loaded
  var player;

  function onYouTubeIframeAPIReady() {
  player = new YT.Player('player', {
  height: '390',
  width: '640',
  videoId: 'OuVj3tYLadw',
  playerVars: {
  controls: 0,
  showinfo: 0,
  rel: 0
  }
  });
  $('.frame_wrapper').fitVids();
  }
   </script>