window.addEvent( 'domready', function(){
  $$( '.SliderWrapper' ).each(function(item){
    var thisSlider = new Fx.Slide( item.getElement( '.SliderContent' ), { duration: 500 } );
    thisSlider.hide();
    item.getElement( '.SliderToggler' ).addEvent( 'click', function(){ thisSlider.toggle(); } );
  });
});