var urlArray = new Array(29); //for URL's, increase size as necessary
var banArray = new Array(29); //for banners, increase size as necessary
var counter = 29;
var bannerurl = "sponsors.htm"; //initial URL

//add your necessary URL's
urlArray[0] = "http://www.itronmeters.com/"
urlArray[1] = "http://www.aclara.com/"
urlArray[2] = "http://www.brownandcaldwell.com"
urlArray[3] = "http://www.pnws-awwa.org/index.asp"
urlArray[4] = "http://www.gpk-fargo.com/"
urlArray[5] = "http://indiana-seal.com/"
urlArray[6] = "http://www.uts.ca/"
urlArray[7] = "http://allservice.com/"
urlArray[8] = "http://atslimited.com/"
urlArray[9] = "http://www.carollo.com/"
urlArray[10] = "http://www.ch2m.com/corporate/"
urlArray[11] = "http://csawwa.org/"
urlArray[12] = "http://flosystems.com/"
urlArray[13] = "http://www.ilrwa.org/"
urlArray[14] = "http://www.kennedyjenks.com/"
urlArray[15] = "http://www.mesimpson.com/"
urlArray[16] = "http://www.nysawwa.org/"
urlArray[17] = "http://pmidwest.com/"
urlArray[18] = "http://www.temcor.com/"
urlArray[19] = "http://www.robertsfiltergroup.com/"
urlArray[20] = "http://www.temcor.com/"
urlArray[21] = "http://easternmeter.org/"
urlArray[22] = "http://badgermeter.com/"
urlArray[23] = "http://newwa.org/"
urlArray[24] = "http://www.greeley-hansen.com/"
urlArray[25] = "http://www.azwater.org/"
urlArray[26] = "http://sawua.org/"

if(document.images) //pre-load all banner images
{
  for(i = 0; i < counter; i++)
  {
    banArray[i] = new Image();
    banArray[i].src = "images/banners/2010 Banners/banner" + (i+1) + ".gif";
  }
}


function changeBanner() //banner changer function
{
  if(counter > 27)
   counter = 0;

  document.banner.src = banArray[counter].src; //sets a new banner
	//bannerurl.href = urlArray[counter];	
  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()", 3000);