var total_promoboxes;
var current_promobox = 0;
var interval_promobox;
var links_promoboxes;

function promoInit()
{
    if ($('promoboxlist'))
    {
        links_promoboxes = $('promoboxlist').getElementsByTagName('li');

        total_promoboxes = links_promoboxes.length;


        enable(links_promoboxes[0]);

    //    links[0].removeClassName('active');
    //    links[0].addClassName('active');

        $A(links_promoboxes).each(function(e){
            e.observe('mouseover', function(f){enable(e);})
        });

        $('promoboxlist').observe('mouseover', stopSlideshow);
        $('promoboxlist').observe('mouseout', startSlideshow);



        startSlideshow();
    }
    
//    alert(link.nextSibling());
//    $(links[2]).addClassName('active');
}

function enableNext()
{
    next = current_promobox + 1;
    if( next >= total_promoboxes )
        next = 0;

//    alert(next)s;

    enable(links_promoboxes[next]);

    current_promobox = next;
}

function startSlideshow()
{
    interval = setInterval(enableNext, 4000);
}

function stopSlideshow()
{
    clearInterval(interval);
}

function disableAll()
{
    $A($$('#promoboxlist li')).each(function(e){
        e.removeClassName('active');
    });
}

function enable(element)
{
    disableAll();
    $(element).addClassName('active');
}

document.observe('dom:loaded', function(e){
        promoInit();
});

/*

var interval;
var active;
var prevactive;
var promo;
var nextactive;

function Promo( )
{
    this.active = false;
    this.interval = false;

    this.init = function()
    {
        this.startSlideshow();
    }

    this.startSlideshow = function()
    {
        interval = setInterval('promo.appearNext();', 2000);
    }



    this.stopSlideshow = function()
    {
//        clearInterval(interval);
//        active = promo.getActive();
//
//        if( active )
//            promo.appear(active);
    }

    this.appearNext = function()
    {


//        active = promo.getActive();
//
//        if( active )
//        {
//
//            nextelm = $(active).next();
//            if ( !nextelm )
//            {
//                nextelm = $(active).up().firstChild;
//
//            }
//
//            nextid = nextelm.id.match(/(\d+)/)[1];
//            promo.appear(nextid);
//        }
//        alert('a');
    }

    this.getActive = function()
    {
//        if( promo.active == false )
//            promo.active = $('promoslider').firstChild.id;
//
//        return this.active;
    }

    this.appear = function( promoboxes_id )
	{
//        active = this.getActive();
//        nextactive = 'box' + promoboxes_id;
//
//        if( nextactive != active )
//        {
//            prevactive = active;
//
//            promo.active = nextactive;
//
//            active = promo.getActive();
//
//            if( $('link' + prevactive) )
//                $('link' + prevactive).morph('background:#1f313d;', {duration: 0.1});
//
//            if($('link' + active))
//                $('link' + active).morph('background:#283c4a;', {duration: 0.5});
//
//
//
//            if( $(active) )
//                $(active).appear({duration:0.1});
//            if( $(prevactive) )
//                $(prevactive).fade({duration:0.5});
//        }
    }	
}

promo = new Promo();

document.observe('dom:loaded', function(e){
    if( $('promoselector') )
    {
        if( promo )
        {
            promo.init();

//            $A($$('#promoselector li')).each(function(e){
//                e.observe('mouseover', promo.stopSlideshow);
//                e.observe('mouseout', promo.startSlideshow);
//            });
        }
    }
});

*/