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) {
		main_01_over = newImage("images/main_01-over.jpg");
		main_02_over = newImage("images/main_02-over.jpg");
		main_03_over = newImage("images/main_03-over.jpg");
		main_04_over = newImage("images/main_04-over.jpg");
		main_05_over = newImage("images/main_05-over.jpg");
		main_06_over = newImage("images/main_06-over.jpg");
		main_07_over = newImage("images/main_07-over.jpg");
		main_08_over = newImage("images/main_08-over.jpg");
		preloadFlag = true;
	}
}

function CaricaFoto(img){
  foto1= new Image();
  foto1.src=(img);
  Controlla(img);
}
function Controlla(img){
  if((foto1.width!=0)&&(foto1.height!=0)){
    viewFoto(img);
  }
  else{
    funzione="Controlla('"+img+"')";
    intervallo=setTimeout(funzione,20);
  }
}
function viewFoto(img){
  largh=foto1.width+20;
  altez=foto1.height+20;
  stringa="width="+largh+",height="+altez;
  finestra=window.open(img,"",stringa);
}

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) {
		green_menu_01_over = newImage("images/green-menu_01-over.jpg");
		green_menu_02_over = newImage("images/green-menu_02-over.jpg");
		green_menu_03_green_menu_02_over = newImage("images/green-menu_03-green-menu_02.jpg");
		green_menu_03_over = newImage("images/green-menu_03-over.jpg");
		green_menu_04_green_menu_03_over = newImage("images/green-menu_04-green-menu_03.jpg");
		green_menu_04_over = newImage("images/green-menu_04-over.jpg");
		green_menu_05_over = newImage("images/green-menu_05-over.jpg");
		green_menu_06_over = newImage("images/green-menu_06-over.jpg");
		green_menu_07_over = newImage("images/green-menu_07-over.jpg");
		preloadFlag = true;
	}
}