document.observe("dom:loaded", function() {
	divs = $$('.fader');
	if(divs[0] != undefined){
		setInterval(function(){
			Effect.toggle(divs[0].id,'appear'); 
			Effect.toggle(divs[1].id,'appear');
			Effect.toggle(divs[2].id,'appear'); 
			Effect.toggle(divs[3].id,'appear');
		}, 3000);
	}
});