var max = 9;

var nrImages = 9;

function makeImages() {
this[0] = "http://www.mercadolivre.com/org-img/MLB/pms/2006/30_11/468x60_HB_NPL_maquina.gif";

this[1] = "http://www.mercadolivre.com/org-img/MLB/pms/2006/30_11/468x60_2.gif";
this[2] = "http://www.mercadolivre.com/org-img/MLB/pms/2006/30_11/468x60_HB_NPL_faturou.gif";

this[3] = "http://www.mercadolivre.com/org-img/MLB/pms/2006/30_11/468x60_HB_NPL_slogan.gif";
this[4] = "http://www.mercadolivre.com/org-img/MLB/pms/2006/30_11/468x60_HB_NPL_precisando.gif";

this[5] = "http://www.mercadolivre.com.br/org-img/MLB/pms/2008/18-06/banner_ms.gif";
this[6] = "http://www.mercadolivre.com/org-img/MLB/pms/2006/30_11/468x60_HB_NPL_maquina.gif";

this[7] = "http://www.mercadolivre.com/org-img/MLB/pms/2006/30_11/468x60_2.gif";
this[8] = "http://www.mercadolivre.com.br/org-img/MLB/pms/2008/18-06/banner_ms.gif";



this.length = nrImages;

}



function makeLinks() {
this[0] = "http://www.mercadolivre.com.br/ajuda_venda.html";

this[1] = "http://www.mercadolivre.com.br/vender-veiculos.html";
this[2] = "http://www.mercadolivre.com.br/ajuda_venda.html";

this[3] = "http://www.mercadolivre.com.br/ajuda_venda.html";
this[4] = "http://www.mercadolivre.com.br/ajuda_venda.html";

this[5] = "http://megashopping.dgracaemaisgostoso.com/afiliados.php";
this[6] = "http://www.mercadolivre.com.br/ajuda_venda.html";

this[7] = "http://www.mercadolivre.com.br/vender-veiculos.html";
this[8] = "http://megashopping.dgracaemaisgostoso.com/afiliados.php";

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;

}

}