function slideBox(slides, controls){

	var current = 0;

	slides.setStyle('display', 'none');
	slides.setStyle('opacity', 0);
	slides[0].setStyle('display', 'block');
	slides[0].setStyle('opacity', 1);

	$each(controls, function(control,i){
		control.addEvent('click',function(e){
			e.stop();
			if(slides[i]){
			var FxCurrent = new Fx.Tween(slides[current]);
			var FxClicked = new Fx.Tween(slides[i]);

			FxCurrent.start('opacity',0);
			slides[current].setStyle('display', 'none');

			slides[i].setStyle('display', 'block');
			FxClicked.start('opacity',1);
			current = i;
			}

		});
	});
}

window.addEvent('domready', function(){
	slideBox($$('#rightcolumn .news'), $$('.buttons a'));
});