FACEBOOK LIKE BUTTON

<br />
<div>
<b:if cond="data:post.isFirstPost">
<script>
(function(d){
var js, id = 'facebook-jssdk'; if (d.getElementById(id)) {return;}
js = d.createElement('script'); js.id = id; js.async = true;
js.src = "//connect.facebook.net/en_US/all.js#xfbml=1";
d.getElementsByTagName('head')[0].appendChild(js);
}(document));
</script>
</b:if>
<fb:like action="like" colorscheme="light" expr:href="data:post.canonicalUrl" font="arial" layout="standard" send="true" show_faces="false"></fb:like>
</div>