Kato.im Fluid.app userscript to update the dock badge with the # of unread messages.

kato.js

// ==UserScript==
// @name  		Kato.im Fluid Dock Badge
// @description	Displays the unread count of messages, adapted from http://userscripts.org/scripts/review/177616
// @author		Michael Rose
// ==/UserScript==
window.fluid.dockBadge = '';
setTimeout(updateDockBadge, 1000);
setTimeout(updateDockBadge, 3000);
setInterval(updateDockBadge, 5000);

function updateDockBadge() {
  var newBadge = '';
  var totalCount = parseInt($(".badge").html());

  if (totalCount > 0) {
    newBadge = '' + totalCount;
  }
 
  window.fluid.dockBadge = newBadge;
}