<!--
	if(document.images) {
		barraSu = new Array(4);
		barraGiu = new Array(4);
		for(var n=1;n<=6;n++) {
			barraSu[n]=new Image(85,85);
			barraGiu[n]=new Image(85,85);
			barraSu[n].src="immagini/quadro"+n+"b.jpg";
			barraGiu[n].src="immagini/quadro"+n+".jpg";
		}
	}
	function tabOn(i) {
		if(document.images) document.images["barra"+i].src=barraSu[i].src;
	}
	function tabOff(i) {
		if(document.images) document.images["barra"+i].src=barraGiu[i].src;
	}
// -->