function blurAnchors(){
  if(document.getElementsByTagName){
    var a = document.getElementsByTagName("a");
    for(var i = 0; i < a.length; i++){
      a[i].onfocus = function(){this.blur()};}
  }
}
window.onload = blurAnchors;

window.addEvent('domready', function(){
    
    var myTransition = new Fx.Transition(Fx.Transitions.Bounce, 10);
    var mySlide = new Fx.Slide('categories', {duration: 800, transition: myTransition.easeOut});
    
    mySlide.hide();     
        
    $('toggle').addEvent('click', function(e){
        e = new Event(e);
        mySlide.toggle();
        e.stop();
    });

});