var urlArray = new Array(10); //for URL's, increase size as necessary
var banArray = new Array(10); //for banners, increase size as necessary
var counter = 1;
var url = "http://www.cepal.org/dds/Innovacionsocial/e/proyectos/pe/defensorias/"; //initial URL

//add your necessary URL's
urlArray[0] = "http://www.cepal.org/dds/Innovacionsocial/e/proyectos/pe/defensorias/";
urlArray[1] = "http://www.cepal.org/dds/Innovacionsocial/e/proyectos/ar/sistemasosten/";
urlArray[2] = "http://www.cepal.org/dds/Innovacionsocial/e/proyectos/pe/prodtruchas/";
urlArray[3] = "http://www.cepal.org/dds/Innovacionsocial/e/proyectos/py/fram/";
urlArray[4] = "http://www.cepal.org/dds/Innovacionsocial/e/proyectos/br/pintandosete/";
urlArray[5] = "http://www.cepal.org/dds/Innovacionsocial/e/proyectos/ht/letago/";
urlArray[6] = "http://www.cepal.org/dds/Innovacionsocial/e/proyectos/ar/cauqueva/";
urlArray[7] = "http://www.cepal.org/dds/Innovacionsocial/e/proyectos/gt/drogaymara/";
urlArray[8] = "http://www.cepal.org/dds/Innovacionsocial/e/proyectos/br/Ecoorganica/";
urlArray[9] = "http://www.cepal.org/dds/Innovacionsocial/e/proyectos/br/saludalegria/";
urlArray[10] = "http://www.cepal.org/dds/innovacionsocial/e/proyectos/br/Trebol/";
urlArray[11] = "http://www.cepal.org/dds/innovacionsocial/e/proyectos/bo/Hospedaje/";
urlArray[12] = "http://www.cepal.org/dds/innovacionsocial/e/proyectos/ec/";
urlArray[13] = "http://www.cepal.org/dds/innovacionsocial/e/proyectos/doc/Resumen.AgrosilvicultoresReca.Brasil.esp.pdf";
urlArray[14] = "http://www.cepal.org/dds/innovacionsocial/e/proyectos/br/circo/";
urlArray[15] = "http://www.cepal.org/dds/innovacionsocial/e/proyectos/doc/Resumen.PrevencionViolencia.Argentina.esp.pdf";

if(document.images) //pre-load all banner images
{
  for(i = 0; i < 16; i++)
  {
    banArray[i] = new Image();
    banArray[i].src = "img/banners/banner"+(i+1)+".jpg";
  }
}


function changeBanner() //banner changer function
{
  if(counter > 15)
   counter = 0;

  document.banner.src = banArray[counter].src; //sets a new banner

  url = urlArray[counter]; //sets a new URL to the banner
  counter++; //increase the counter for the next banner
}

//calls the changeBanner() function every 3 seconds
//change the timer as necessary (minutes * 60000) or (seconds * 1000)
var timer = window.setInterval("changeBanner()", 5000);