var nextImage = 1;
var imageWidth = 535;
var imageHeight = 315;
var imageTimeout = 4500;


function setOpacity(el, opacity) {

	//  Which opacity method does this browser support?
	opacity /= 100;
	el.style.opacity = opacity;
	el.style.MozOpacity = opacity;
	el.style.filter = "alpha(opacity=" + (opacity*100) + ")";
}

function fadeImage(el, currentOpacity) {
	currentOpacity += 5;
	if (currentOpacity > 100) {
		setOpacity(el, 100);
		var prevEl = el.previousSibling ? el.previousSibling : el.parentNode.lastChild;
		prevEl.style.visibility = 'hidden';
		el.style.zIndex = 1;
		window.setTimeout(startFading, imageTimeout);
	}
	else {
		setOpacity(el, currentOpacity);
		window.setTimeout(function() { fadeImage(el, currentOpacity); }, 100);
	}
}

function startFading() {
	var el = document.getElementById('fading_image_container').childNodes[nextImage];
	el.style.visibility = 'visible';
	el.style.zIndex = 2;
	setOpacity(el, 0);
	fadeImage(el,0);
	nextImage = (nextImage < images.length-1) ? nextImage + 1 : 0;
}


function pageLoad() {
	
	var el = document.getElementById('fading_image_container');
	while (el.firstChild) { el.removeChild(el.firstChild); }
	el.style.width = imageWidth + 'px';
	el.style.height = imageHeight + 'px';
	for(var i=0; i<images.length; i++) {

		var ar = document.createElement('A');
		
		ar.style.position = 'absolute';
		ar.style.visibility = 'hidden';
		var t = document.createElement('IMG');
		t.setAttribute('src',images[i]);
		t.setAttribute('width',imageWidth);
		t.setAttribute('height',imageHeight);
		t.setAttribute('border',0);
		//t.style.position = 'absolute';
		//t.style.visibility = 'hidden';
		ar.appendChild(t);
		el.appendChild(ar);

	}
	el.firstChild.style.visibility = 'visible';
	window.setTimeout(startFading, imageTimeout);
}

//addLoadEvent(pageLoad);