browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
if ( browser) {
image = new makeArray(20);
image_pressed = new makeArray(20);
}
function makeArray(n) { this.length = n; for (var i=1; i<=n; i++) { this[i] = new Image(); } return this; }
function mouseOver(num) { if ( browser) document.images['img' + num].src = image_pressed[num].src; return true; }
function mouseOut(num) { if ( browser) document.images['img' + num].src = image[num].src; return true; }

function getSelect(s) {
  return s.options[s.selectedIndex].value
}
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
	foto_1over = newImage("pic/1-1b.jpg");
	foto_1over = newImage("pic/1-2b.jpg");
	foto_1over = newImage("pic/1-3b.jpg");
	foto_1over = newImage("pic/1-4b.jpg");
	foto_1over = newImage("pic/1-5b.jpg");
	foto_1over = newImage("pic/1-6b.jpg");
	
	preloadFlag = true;
	}
}