window.addEvent('domready', function() {
  var mySlide = new Fx.Slide('top-panel').hide();

  $('toggle').addEvent('click', function(e) {
    e = new Event(e);
    mySlide.toggle();
    e.stop();
  });
});
 

window.addEvent('domready', function() {
  var mySlide = new Fx.Slide('top-panel2').hide();

  $('toggle2').addEvent('click', function(e) {
    e = new Event(e);
    mySlide.toggle();
    e.stop();
  });
});