var max = 4;

var nrImages = 4;

function makeImages() {

this[0] = "http://diretoriox.net/images/Banner-produto.jpg";

this[1] = "http://diretoriox.net/images/banners01/megauplod+_rapidshare.gif";

this[2] = "http://diretoriox.net/images/banners01/ganhecomseusite.jpg";

this[3] = "http://diretoriox.net/images/banners01/ganhecomseusite.jpg";







this.length = nrImages;

}



function makeLinks() {

this[0] = "http://diretoriox.net/product_info.php?ref=2653&products_id=1&affiliate_banner_id=1";

this[1] = "http://diretoriox.net/index.php?ref=2653&affiliate_banner_id=135";

this[2] = "http://diretoriox.net/FILENAME_CATEGORIES_INFO?ref=2653&cPath=2&affiliate_banner_id=130";

this[3] = "http://diretoriox.net/FILENAME_CATEGORIES_INFO?ref=2653&cPath=2&affiliate_banner_id=130";





this.length = nrImages;

}





var vetImages = new makeImages();

var vetLinks = new makeLinks();

var x = Math.round(Math.random()*max);

var y = max / nrImages;

for(var cont = 1;cont*y<= max;cont++) {

if (x <= (cont*y)) {

document.write("<a href="+vetLinks[cont-1]+" target=_blank><img src="+vetImages[cont-1]+" border=0></a>");

break;

}

}