var max      = 6;
  var nrImages = 6;
  function makeImages() {
    this[0]     = "http://i594.photobucket.com/albums/tt26/acheidownload/264mbue2.gif";
    this[1]     = "http://i594.photobucket.com/albums/tt26/acheidownload/2i3x3a.gif";
    this[2]     = "http://www.maxmania.com.br/affiliate_show_banner.php?ref=6&affiliate_banner_id=12";
    this[3]     = "http://www.megaconta.net/images/banner_tv.gif";
    this[4]     = "http://i594.photobucket.com/albums/tt26/acheidownload/tvonline.gif";
	this[5]     = "http://i594.photobucket.com/albums/tt26/acheidownload/pendrive.gif";

  
   
  

    this.length = nrImages;
}
  function makeLinks() {
    this[0]     = "http://pmstrk.mercadolivre.com.br/jm/PmsTrk?tool=5774655&go=http://ipod.mercadolivre.com.br/ipod-reprodutores/ipod_ItemTypeID_N_OrderId_PRICE_OtherFilterID_MEJVEN_Qshow_30";
    this[1]     = "http://pmstrk.mercadolivre.com.br/jm/PmsTrk?tool=5774655&go=http://celulares.mercadolivre.com.br/apple-iphone/iphone-3g_AuctTypeID_AFP_ItemTypeID_N_OtherFilterID_MEJVEN_Qshow_30";
    this[2]     = "http://www.maxmania.com.br/";
    this[3]     = "http://www.megaconta.net/product_info.php?ref=1090&products_id=6&affiliate_banner_id=49";
    this[4]     = "http://www.megaconta.net/product_info.php?ref=1090&products_id=6&affiliate_banner_id=49";
    this[5]     = "http://pmstrk.mercadolivre.com.br/jm/PmsTrk?tool=5774655&go=http://lista.mercadolivre.com.br/pen-drive-16-gb";

    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]+"></a>");
      break;
    }
  }