Placing the send button on any page using KRL

krl_facebook_send_button_placement.krl.js

rule append_send_button {
  select when pageview ".*"
  {
    emit <|
      $KOBJ("body").append('<fb:send href="exampley.com" font="Arial"></fb:send>'); // href is the link to send. Can be any valid url. Maybe even location.host? ;)
      var head = $KOBJ("head").get(0); // or just document.getElementsByTagName("head")[0], but I <3 jQuery
      var script = document.createElement("script");
      script.src = "http://connect.facebook.net/en_US/all.js#xfbml=1";
      head.appendChild(script);
     |>;
  }
}