window.addEvent('load', function()
{
    var slider1 = new Fx.Slide('uno');
	var slider2 = new Fx.Slide('dos');
	var slider3 = new Fx.Slide('tres');
	var slider4 = new Fx.Slide('cuatro');
	slider1.hide();
	slider2.hide();
	slider3.hide();
	slider4.hide();
	
	
	  $('cate1').addEvent('click', function(ev)
	  {
			new Event(ev).stop();
			slider1.toggle();
   	  });	
	  
 	  $('cate2').addEvent('click', function(ev)
	  {
		new Event(ev).stop();
		slider2.toggle();
	  }); 
	  
	  $('cate3').addEvent('click', function(ev)
	  {
		new Event(ev).stop();
		slider3.toggle();
	  });
	  
	  $('cate4').addEvent('click', function(ev)
	  {
		new Event(ev).stop();
		slider4.toggle();
	  }); 
});