var urlArray = new Array(6); //for URL's, increase size as necessary
var banArray = new Array(6); //for banners, increase size as necessary
var counter = 1;
var url = "http://www.croatianclub.co.nz/sponsors/advertise.php"; //initial URL

//add your necessary URL's
urlArray[0] = "http://www.croatianclub.co.nz/sponsors/advertise.php";
urlArray[1] = "http://www.huljich.co.nz";
urlArray[2] = "http://lincolntailors.in5.co.nz";
urlArray[3] = "http://www.talleys.co.nz";
urlArray[4] = "http://www.cttravel.co.nz";
urlArray[5] = "http://wofshop.in5.co.nz";


if(document.images) 
{
  for(i = 0; i < 6; i++) //for banners, increase size as necessary
  {
    banArray[i] = new Image(150, 300);
    banArray[i].src = "http://www.croatianclub.co.nz/sponsors/banners/banner" + (i) + ".jpg";
  }
}


function changeBanner() 
{
  if(counter > 5)//for banners, increase size as necessary (note: one less than total banners)
   counter = 0;

  document.banner.src = banArray[counter].src; 

  url = urlArray[counter]; 
  counter++; 
}


//change the timer as necessary (minutes * 60000) or (seconds * 1000)
var timer = window.setInterval("changeBanner()", 10000);