window.addEvent('domready', function(){
   var mySlide = new Fx.Slide('slide');
   
   $('toggle').addEvent('click', function(e){
      e = new Event(e);
      mySlide.toggle();
      e.stop();
      if (window.document.images['toggleimg'].src == up) {
         window.document.images['toggleimg'].src = down;
      }
      else {
         window.document.images['toggleimg'].src = up;
      }
      
   });

   mySlide.hide();
});