var homePageGalleries=new Array(
	['1a.jpg', '1b.jpg'],
	['2a.jpg', '2b.jpg'],
	['3a.jpg', '3b.jpg'],
	['4a.jpg', '4b.jpg'],
	['5a.jpg', '5b.jpg'],
	['6a.jpg', '6b.jpg']
);

homePageImages=new Array();
for(i=0; i<homePageGalleries.length; i++){
	for(j=0; j<homePageGalleries[i].length; j++){
		homePageImages.push('static/images/homepage/'+homePageGalleries[i][j]);
	}
}

var gallery=false;
var bannerHolder;
var bannerImage;
var fader;
var bannerIndex=0;
var gap=false;

window.addEvent('domready', function(){
	gallery=new Asset.images(homePageImages, {onComplete:function(){
		startBanners();
	}});
	bannerHolder=$('banner-holder');
	bannerImage=bannerHolder.getElement('img');
	fader=new Fx.Tween(bannerImage, {
		property:'opacity',
		duration:1000,
		link:'chain',
		onComplete:function(){
			if(gap){
				gap=false;
				bannerImage.src=gallery[bannerIndex].src;
				fader.start([0,1]);
			} else {
				startBanners();
			}
		}
	});
});

function startBanners(){
	nextImage=bannerIndex+1;
	if(nextImage==gallery.length){
		nextImage=0;
	}
	bannerImage.src=gallery[bannerIndex].src;
	bannerImage.setStyle('opacity', 1);

	if(nextImage==0 || nextImage==2 || nextImage==4 || nextImage==6 || nextImage==8){
		bannerHolder.setStyle('background-image', 'url(static/images/homepage/vs-logo.jpg)');
		bannerIndex=nextImage;
		gap=true;
		setTimeout('fader.start([1,0])', 5000);
	} else {
		bannerHolder.setStyle('background-image', 'url('+gallery[nextImage].src+')');
		bannerIndex=nextImage;
		setTimeout('fader.start([1,0])', 5000);
	}
}

function nextInQueue(){
	
}