var gblPhotoShufflerDivId = "header_gallery";
  var gblPhotoShufflerImgId = "header_gallery_img"; 
	var gblImg = new Array();
  var gblPauseSeconds = 1;
  var gblFadeSeconds = 2;
  var gblOpacity;
  var gblOpacity = 100;
  var gblOnDeck = 0;
  var gblStartImg;
  function photoShufflerLaunch()
  {
  for (var i = 0, j = arguments.length; i < j; i++)
  	{
  	gblImg[i] = '/photos/'+arguments[i];
    }
	var theimg = document.getElementById(gblPhotoShufflerImgId);
	gblStartImg = theimg.src; // save away to show as final image
	document.getElementById(gblPhotoShufflerDivId).style.backgroundImage='url(' + gblImg[gblOnDeck] + ')';
	setTimeout("photoShufflerFade(gblImg)",gblPauseSeconds*1000);
  }
  function photoShufflerFade(gblImg)
  {
  	var theimg = document.getElementById(gblPhotoShufflerImgId);
		var fadeDelta = 100 / (30 * gblFadeSeconds);
	if (gblOpacity < 2*fadeDelta ) 
	{
	  gblOpacity = 100;
	  photoShufflerShuffle(gblImg);
    setTimeout("photoShufflerFade(gblImg)",gblPauseSeconds*1000);
	}
	else
	{
	  gblOpacity -= fadeDelta;
	  setOpacity(theimg,gblOpacity);
	  setTimeout("photoShufflerFade(gblImg)",30);  // 1/30th of a second
	}
  }

  function photoShufflerShuffle(gblImg)
  {
	var thediv = document.getElementById(gblPhotoShufflerDivId);
	var theimg = document.getElementById(gblPhotoShufflerImgId);
	theimg.src = gblImg[gblOnDeck];
	setOpacity(theimg,100);
	gblOnDeck = ++gblOnDeck % gblImg.length;
	thediv.style.backgroundImage='url(' + gblImg[gblOnDeck] + ')';
  }

function setOpacity(obj, opacity) {
  opacity = (opacity == 100)?99.999:opacity;
  
  // IE/Win
  obj.style.filter = "alpha(opacity:"+opacity+")";
  
  // Safari<1.2, Konqueror
  obj.style.KHTMLOpacity = opacity/100;

  // Older Mozilla and Firefox
  obj.style.MozOpacity = opacity/100;

  // Safari 1.2, newer Firefox and Mozilla, CSS3
  obj.style.opacity = opacity/100;
}