$(document).ready(function()
{

    $(document).everyTime(8000, 'homePromoTimer', autoplayNextPromo, 0);
    setControlStyle(1);
});

var currentPromo = 1;

var autoplayNextPromo = function()
{
    var nextPromo = ((currentPromo + 1) > totalPromos ? 1 : (currentPromo + 1) );
    fadePromo(nextPromo);    
}

//autoplayNextPromo.periodical(8000);

function fadePromo(newPromo)
{
    setControlStyle(newPromo);  
    
    var el = $("#Promo"+currentPromo);
    el.css({zIndex:"0"});


    var el2 = $("#Promo"+newPromo);
    el2.css({zIndex:"10"});

    
    el.animate({opacity:"0"});
    el2.animate({opacity:"1"});
     
      
    // set current promo to new promo
    currentPromo = newPromo;
}

function setControlStyle(newPromo)
{
    document.getElementById('PromoLink'+currentPromo).className='';
    document.getElementById('PromoLink'+newPromo).className='current';
}