// Background Image Slideshow : Warren Sherliker http://www.smartthing.org
  // A smplification of the CSS Photo Shuffler by Carl Camera but adapted to just change the background image and cache the images in the background.
  
  var gblPhotoShufflerDivId = "page"; 
  var gblImg = new Array(
    "/images/head3.jpg",
    "/images/head4.jpg",
    "/images/head2.jpg"
    );
  var gblPauseSeconds = 5;


  var gblDeckSize = gblImg.length;
  var gblOnDeck = 0;

  function cacheImages()
  {
    if (!document.images) return;
    var imgs = new Array();
    for (var i = 0; i < gblDeckSize; i++) {
      imgs[i] = new Image();
      imgs[i].src = gblImg[i];
    }
  }

  function photoShufflerLaunch()
  {
      document.getElementById(gblPhotoShufflerDivId).style.backgroundImage='url(' + gblImg[gblOnDeck] + ')';
      gblOnDeck = ++gblOnDeck % gblDeckSize;
      setTimeout("photoShufflerLaunch()",gblPauseSeconds*1000);
  }

  setTimeout("photoShufflerLaunch()",gblPauseSeconds * 1000);
  cacheImages();