var images = new Array( 
			'http://www.mtspacewebdesign.com/img/sites/jag-500.jpg',
			'http://www.mtspacewebdesign.com/img/sites/enl-500.jpg',
			'http://www.mtspacewebdesign.com/img/sites/aop-500.jpg',
			'http://www.mtspacewebdesign.com/img/sites/bns-500.jpg',
			'http://www.mtspacewebdesign.com/img/sites/tfm-500.jpg',
			'http://www.mtspacewebdesign.com/img/sites/gnm-500.jpg',
			'http://www.mtspacewebdesign.com/img/sites/g&k-500.jpg');


var nextImage = 1;
var imageWidth = 500;
var imageHeight = 300;
var imageTimeout = 3000;


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); }, 50);
	}

}


function startFading() {

	var el = document.getElementById('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('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 t = document.createElement('IMG');
		t.setAttribute('src',images[i]);
		t.setAttribute('width',imageWidth);
		t.setAttribute('height',imageHeight);
		t.style.position = 'absolute';
		t.style.visibility = 'hidden';
		el.appendChild(t);
		if(nextImage == 14) {
		break;
		}
		

	}

	el.firstChild.style.visibility = 'visible';

	window.setTimeout(startFading, imageTimeout);

}


addLoadEvent( pageLoad );