var max      = 15;
  var nrImages = 15;
  function makeImages() {
    this[0]     = "banners_2010/magazan.jpg";
    this[1]     = "banners_2010/big_peterson.jpg";
    this[2]     = "banners_2010/cirto.jpg";
	this[3]     = "banners_2010/dentsystem-site.jpg";
	this[4]     = "banners_2010/dr_heleno.jpg";
	this[5]     = "banners_2010/fae.jpg";
    this[6]     = "banners_2010/mcnpelozio.jpg";
	this[7]     = "banners_2010/kr.jpg";
    this[8]     = "banners_2010/dentsystem-site.jpg";	
	this[9]     = "banners_2010/magazan.jpg";
	this[10]     = "banners_2010/mega_van.jpg";
	this[11]     = "banners_2010/mirante.jpg";
	this[12]     = "banners_2010/mcnpelozio.jpg";
	this[13]     = "banners_2010/kr.jpg";
	this[14]     = "banners_2010/iluminix.jpg";	
    this.length = nrImages;
  }
  function makeLinks() {
	this[0]     = "http://magazanmoveis.com.br/site/";	  
    this[1]     = "http://www.leivinha.com.br";
    this[2]     = "http://www.cirtotelhas.com.br";
    this[3]     = "http://www.dentsystem.com.br";
    this[4]     = "http://drheleno.com.br";
	this[5]     = "http://www.fae.br";
    this[6]     = "http://www.mcnpelozio.com/site";
	this[7]     = "http://www.marmorariakr.com.br";	
    this[8]     = "http://www.dentsystem.com.br";
    this[9]     = "http://magazanmoveis.com.br/site/";
	this[10]     = "http://www.megavanveiculos.com.br";
	this[11]     = "http://www.autoescolamirante.com.br";
	this[12]     = "http://www.mcnpelozio.com/site";
	this[13]     = "http://www.marmorariakr.com.br";
	this[14]     = "http://www.iluminix.com.br";	
	 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;
    }
  }