for each new math element)
  //
  MathJax.Hub.Register.MessageHook("New Math",function (message) {
    var script = MathJax.Hub.getJaxFor(message[1]).SourceElement();
    MathJax.HTML.addText(math,message.join(" ")+": '"+script.text+"'");
    MathJax.HTML.addElement(math,"br");
  });

  //
  //  Find out about ALL startup and hub messages
  //
  MathJax.Hub.Startup.signal.Interest(function (message) {Message("Startup: "+message)});
  MathJax.Hub.signal.Interest(function (message) {Message("Hub: "+message)})