var tickerDivs = new Array();
var tickerSlideSpeed = "slow";
var tickerDelay = 3;
var tickerStartIndex = 0;

function addTickerDiv(id)
{
  if(id == null)return false;
  var e = document.getElementById(id);
  if(!e)return false;
  
  tickerDivs[tickerDivs.length] = id; 
  //alert("add ticker");
  return true; 
}

function startTicker()
{
   //alert("startTicker() @ " + tickerDivs.length);
   if(tickerDivs.length > 1)
   {
     tickerAnimation(null, 0);
   }
   else if(tickerDivs.length == 1)
   {
     $("#" + tickerDivs[0]).show(); 
   }
}

function tickerAnimation(last, now)
{   
  //alert("last " + last + ", now " + now);
  var next = null;
  if(last != null)
  {           
    $("#" + tickerDivs[last]).fadeOut(tickerSlideSpeed, function(){
      $("#" + tickerDivs[now]).fadeIn(tickerSlideSpeed);
    });
  } 
  else
  {
    $("#" + tickerDivs[now]).fadeIn(tickerSlideSpeed);
  }
  

  if(tickerDivs.length > (now + 1)) next = now + 1;
  else next = 0;
  
  window.setTimeout("tickerAnimation(" + now + ", " + next + ")", tickerDelay * 1000);   
}