ryhmrt/gisthere.html

## gisthere.html
<html>
<head>
<link rel="stylesheet" href="https://gist.github.com/stylesheets/gist/embed.css"/>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
<script type="text/javascript" src="https://raw.github.com/gist/1064493/gisthere.js"></script>
</head>
<body>
↓↓↓ gist here! ↓↓↓
<hr/>
<a href="https://raw.github.com/gist/1064493/gisthere.js">gisthere.js</a>
<hr/>
↑↑↑ gist here! ↑↑↑
</body>
</html>

## gisthere.js
$(function(){
  document.write = function(html){
    var matched = html.match('^<div id="gist-([0-9]+)" class="gist">');
    if (matched) {
      var id = matched[1];
      $('#gist-' + id + '-container').append(html);
    }
  };
  $('a').each(function(){
    var matched = this.href.match('https://(gist\.github\.com/raw|raw\.github\.com/gist)/([^/]+)/([^/]+/)?(.+)');
    if (!matched) return;
    var id = matched[2];
    var file = matched[4];
    var self = $(this);
    self.after($('<div id="gist-' + id + '-container" />'));
    self.remove();
    $('body').append($('<script/>').attr('src', 'https://gist.github.com/' + id + '.js?file=' + file));
  });
});
	<html>
	<head>
	<link rel="stylesheet" href="https://gist.github.com/stylesheets/gist/embed.css"/>
	<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
	<script type="text/javascript" src="https://raw.github.com/gist/1064493/gisthere.js"></script>
	</head>
	<body>
	↓↓↓ gist here! ↓↓↓
	<hr/>
	<a href="https://raw.github.com/gist/1064493/gisthere.js">gisthere.js</a>
	<hr/>
	↑↑↑ gist here! ↑↑↑
	</body>
	</html>
	$(function(){
	document.write = function(html){
	var matched = html.match('^<div id="gist-([0-9]+)" class="gist">');
	if (matched) {
	var id = matched[1];
	$('#gist-' + id + '-container').append(html);
	}
	};
	$('a').each(function(){
	var matched = this.href.match('https://(gist\.github\.com/raw\|raw\.github\.com/gist)/([^/]+)/([^/]+/)?(.+)');
	if (!matched) return;
	var id = matched[2];
	var file = matched[4];
	var self = $(this);
	self.after($('<div id="gist-' + id + '-container" />'));
	self.remove();
	$('body').append($('<script/>').attr('src', 'https://gist.github.com/' + id + '.js?file=' + file));
	});
	});