// autoportanti
var bufferImage = new Array();

function Buffer(filename) {
    var i = bufferImage.length;
    bufferImage[i] = new Image();
    bufferImage[i].src = filename;
    }

function showImage(filename) {
    document.images[Image_Name].src = filename;
    }

Image_Name = "SHOWPAD";

Buffer("img/foto_s272po.jpg");
Buffer("img/foto_s372p1.jpg");
Buffer("img/foto_s392p1.jpg");
Buffer("img/foto_s383po1.jpg");
Buffer("img/foto_s433po.jpg");
Buffer("img/foto_s433po45.jpg");
Buffer("img/foto_s515po.jpg");
Buffer("img/foto_s515po54.jpg");