function image() {
};

image = new image();
number = 0;

// imageArray
//image[number++] = "<img src='images2/bannercuadhor.jpg' border='0'>"
//image[number++] = "<a href=http://www.tarjetasbanrural.com.gt><img src='images2/bannerrodeo.jpg' border='0'>"
//image[number++] = "<img src='images2/bannerhaj.PNG' border='0'>"
image[number++] = "<img src='images2/bannercuentaconmigov.jpg' border='0'>"
image[number++] = "<img src='images2/BannerHaitiH.jpg' border='0'>"
//image[number++] = "<img src='images2/fondoamigo.png' border='0'>"
//image[number++] = "<img src='images2/mypimes.png' border='0'>"
//image[number++] = "<img src='images2/remesa.jpg' border='0'>"
//image[number++] = "<img src='images2/tarjetas.jpg' border='0'>"
image[number++] = "<img src='images2/banca_telefonica.jpg' border='0'>"
// keep adding items here...

increment = Math.floor(Math.random() * number);

document.write(image[increment]);