window.addEvent('domready', function() { 
 
	var slides = $$(".slide");
	var btns = $$(".slide_trigger") ;
	var mySlide = [];
	var openSlide = -1;
 
	slides.each(function(slide, idx) {
		mySlide[idx] = new Fx.Slide(slide, {duration: 500}).hide();
		btns[idx].addEvent('click', function(e) {
			e = new Event(e);
			if ( openSlide == -1 ) {
				openSlide = idx;
				mySlide[idx].slideIn();
			} else {
				mySlide[openSlide].slideOut();
				mySlide[idx].slideIn();
				if ( openSlide != idx ) openSlide = idx;
				else openSlide = -1;
			}
			e.stop();
		});
	});
 
}  )