var urlArray = new Array(1); //for URL's, increase size as necessary
var banArray = new Array(1); //for banners, increase size as necessary
var mcounter = 0;
var tcounter = 0;
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.hdr.com"
//urlArray[4] = "http://www.easternmeter.org/home.html"
//urlArray[5] = "http://atslimited.com/"
//urlArray[6] = "http://flosystems.com/"
//urlArray[7] = "http://www.inawwa.org/"
//urlArray[8] = "http://www.ilrwa.org/"
//urlArray[9] = "http://www.mesimpson.com/"
//urlArray[10] = "http://pmidwest.com/"
//urlArray[11] = "http://www.waterefficiency.net/index.aspx"
//urlArray[12] = "http://www.brownandcaldwell.com"
//urlArray[13] = "http://www.brownandcaldwell.com"
//urlArray[14] = "http://www.brownandcaldwell.com"
//urlArray[15] = "http://www.brownandcaldwell.com"
//urlArray[16] = "http://www.brownandcaldwell.com"
//urlArray[17] = "http://sawua.org/"

if(document.images) //pre-load all banner images
{
  for(i = 0; i < mcounter+1; i++)
  {
    banArray[i] = new Image();
    banArray[i].src = "images/banners/2012 Banners/banner" + (i) + ".gif";
  }
}


function changeBanner() //banner changer function
{
  if(tcounter > mcounter)
   tcounter = 0;

  document.banner.src = banArray[tcounter].src; //sets a new banner
	//bannerurl.href = urlArray[tcounter];	
  tcounter++; //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);