old_contents: /*
  * youtube
  * https://github.com/savetheinternet/Tinyboard/blob/master/js/youtube.js
  *
  * Don't load the YouTube player unless the video image is clicked.
  * This increases performance issues when many videos are embedded on the same page.
  * Currently only compatiable with YouTube.
  *
  * Proof of concept.
  *
  * Released under the MIT license
  * Copyright (c) 2013 Michael Save <savetheinternet@tinyboard.org>
  *
  * Usage:
  *	$config['embedding'] = array();
  *	$config['embedding'][0] = array(
  *		'/^https?:\/\/(\w+\.)?(?:youtube\.com\/watch\?v=|youtu\.be\/)([a-zA-Z0-9\-_]{10,11})(&.+)?$/i',
  *		'<div class="video-container" data-video="$2"><a href="$0" target="_blank" class="file"><img style="width:360px;height:270px;" src="//img.youtube.com/vi/$2/0.jpg"/></a></div>'
  );
  *   $config['additional_javascript'][] = 'js/jquery.min.js';
  *   $config['additional_javascript'][] = 'js/youtube.js';
  *
  */
  
  
  onready(function(){
  	$('div.video-container a').click(function() {
  		var videoID = $(this.parentNode).data('video');
  		
  		$(this.parentNode).html('<iframe style="float:left;margin: 10px 20px" type="text/html" width="360" height="270" src="//www.youtube.com/embed/' + videoID + '?autoplay=1" frameborder="0"/>');
  
  		return false;
  	});
  });
  
  
new_contents: /*
  * youtube
  * https://github.com/savetheinternet/Tinyboard/blob/master/js/youtube.js
  *
  * Don't load the YouTube player unless the video image is clicked.
  * This increases performance issues when many videos are embedded on the same page.
  * Currently only compatiable with YouTube.
  *
  * Proof of concept.
  *
  * Released under the MIT license
  * Copyright (c) 2013 Michael Save <savetheinternet@tinyboard.org>
  *
  * Usage:
  *	$config['embedding'] = array();
  *	$config['embedding'][0] = array(
  *		'/^https?:\/\/(\w+\.)?(?:youtube\.com\/watch\?v=|youtu\.be\/)([a-zA-Z0-9\-_]{10,11})(&.+)?$/i',
  *		'<div class="video-container" data-video="$2"><a href="$0" target="_blank" class="file"><img style="width:360px;height:270px;" src="//img.youtube.com/vi/$2/0.jpg"/></a></div>'
  );
  *   $config['additional_javascript'][] = 'js/jquery.min.js';
  *   $config['additional_javascript'][] = 'js/youtube.js';
  *
  */
  
  
  onready(function(){
  	var do_embed_yt = function(tag) {
  		$('div.video-container a', tag).click(function() {
  			var videoID = $(this.parentNode).data('video');
  		
  			$(this.parentNode).html('<iframe style="float:left;margin: 10px 20px" type="text/html" width="360" height="270" src="//www.youtube.com/embed/' + videoID + '?autoplay=1" frameborder="0"/>');
  
  			return false;
  		});
  	};
  	do_embed_yt(document);
  
          // allow to work with auto-reload.js, etc.
          $(document).bind('new_post', function(e, post) {
                  do_embed_yt(post);
          });
  });
  
  
subject: make it work with thread expand etc.