gistfile1.js

function setFacebookLike() {
	 $('html').attr("xmlns:og","http://www.facebook.com/2008/fbml").attr("xmlns:fb","http://www.facebook.com/2008/fbml");
				
	// Remove previously created FB like elements -- if they exist -- so they can be re-added after AJAX pagination
	$('.fb-recommend').remove();
	$('#fb-root').empty();
	
	// Build and inject Like button		
	$('ul.posts a').each(function() {				
		var fb_url = location.href.split('/')[0] + '//' + location.href.split('/')[2] + $(this).attr('href'),
		    fb_like = '<div class="fb_recommend"><fb:like href="'+fb_url+'" layout="standard" show_faces="false" action="recommend" colorscheme="light"></fb:like></div>';
		$(this).parent().next().after(fb_like);
	});
			
	// Load in FB javascript SDK
	$('body').append('<div id="fb-root"></div>');
	window.fbAsyncInit = function() {
		FB.init({appId: 'your_app_ID', status: true, cookie: true, xfbml: true});
	};
	(function() {
		var e = document.createElement('script'); e.async = true;
		e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js';
		document.getElementById('fb-root').appendChild(e);
	}());
}
setFacebookLike();