var images = new Array(
  'images/slides/business_partner_strategic_alliance.jpg',
  'images/slides/business_woman_strategic_alliance.jpg',
  'images/slides/business_partnership.jpg');

var imageWidth = 265;
var imageHeight = 425;
var imageTimeout = 3000;
var nextImage = 1;


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 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);
  }


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

   
   
  window.setTimeout(startFading, imageTimeout);

}


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);


  if ( nextImage < 3) {
	nextImage = nextImage + 1;
  }
}



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 setOpacity(el, opacity) {

	opacity /= 100;

	el.style.opacity = opacity;
	el.style.MozOpacity = opacity;
	el.style.filter = "alpha(opacity=" + (opacity*100) + ")";

}


window.onload = pageLoad;