function showCassetta(id){
	var div = $('a'+id);
	if (div.style.display!=''){
		new Ajax.Request('contenutocass.php?idart='+id, {
			method:'get',
			onComplete:
				function(transport){
					div.update(transport.responseText);
					Effect.BlindDown(div, {duration:0.4});
				}
		});
	}
	else {
		Effect.BlindUp(div, {duration:0.4});
	}
}

function Check(){
	var el = $('prosegui').elements['campo_preselezione'];
	if (el){
		if (el.value == 1){
			var richiesta= confirm("Confermi l'ordine?");
			return richiesta;
		}
	}
}