self.onload = pageLoad;
var images = new Array(
  'images/6.jpg',
  'images/5.jpg',
  'images/4.jpg',
  'images/3.jpg',
  'images/2.jpg',
  'images/1.jpg');

var imageWidth = 300;
var imageHeight = 250;
var imageTimeout = 4000;
var nextImage = 1;


function setOpacity(el, opacity) {

	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() {
//alert("aaa");
  var el = document.getElementById('fading_image_container').childNodes[nextImage];
//alert("1");
  el.style.visibility = 'visible';
  el.style.zIndex = 2;
  setOpacity(el, 0);
  fadeImage(el,0);
//alert("2");
  nextImage = (nextImage < images.length-1) ? nextImage + 1 : 0;
//alert("3");
}


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';
//alert("5");
  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);
//alert("4");
  }
//alert("3");
  el.firstChild.style.visibility = 'visible';
//alert("2");
  window.setTimeout(startFading, imageTimeout);
//alert("1");
}