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;
			}
			
		});
	});
}

function calculeTotal(){
	var tarif = parseFloat($('tarif').get('value'));
	var distance = parseFloat($('distance').get('value'));
	
	if(distance>0){
		var total = (tarif*distance+1.80).toFixed(2);
		if (total < 6) total = 6;
		$('total').set('text', '= ' + total + String.fromCharCode(8364));
	}
}

//<sup>

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

	if($('calculette')){
		$('tarif').addEvent('change', function(){calculeTotal();});
		$('distance').addEvent('keyup', function(){calculeTotal();});
		$('tarif').addEvent('click', function(){calculeTotal();});
		calculeTotal();
	}
});