var tasterimages = new Array(
    "canmore-activities-cycling-1.jpg",
    "canmore-bow-river-1.jpg",
    "canmore-bow-river-2.jpg",
    "canmore-bow-river-3.jpg",
    "canmore-canada-day-2006-1.jpg",
    "canmore-canada-day-2006-10.jpg",
    "canmore-canada-day-2006-11.jpg",
    "canmore-canada-day-2006-12.jpg",
    "canmore-canada-day-2006-13.jpg",
    "canmore-canada-day-2006-14.jpg",
    "canmore-canada-day-2006-15.jpg",
    "canmore-canada-day-2006-16.jpg",
    "canmore-canada-day-2006-17.jpg",
    "canmore-canada-day-2006-18.jpg",
    "canmore-canada-day-2006-19.jpg",
    "canmore-canada-day-2006-2.jpg",
    "canmore-canada-day-2006-20.jpg",
    "canmore-canada-day-2006-21.jpg",
    "canmore-canada-day-2006-22.jpg",
    "canmore-canada-day-2006-23.jpg",
    "canmore-canada-day-2006-24.jpg",
    "canmore-canada-day-2006-25.jpg",
    "canmore-canada-day-2006-26.jpg",
    "canmore-canada-day-2006-27.jpg",
    "canmore-canada-day-2006-28.jpg",
    "canmore-canada-day-2006-29.jpg",
    "canmore-canada-day-2006-3.jpg",
    "canmore-canada-day-2006-30.jpg",
    "canmore-canada-day-2006-31.jpg",
    "canmore-canada-day-2006-32.jpg",
    "canmore-canada-day-2006-33.jpg",
    "canmore-canada-day-2006-34.jpg",
    "canmore-canada-day-2006-35.jpg",
    "canmore-canada-day-2006-4.jpg",
    "canmore-canada-day-2006-5.jpg",
    "canmore-canada-day-2006-6.jpg",
    "canmore-canada-day-2006-7.jpg",
    "canmore-canada-day-2006-8.jpg",
    "canmore-canada-day-2006-9.jpg",
    "canmore-highland-games-2006-1.jpg",
    "canmore-highland-games-2006-2.jpg",
    "canmore-highland-games-2006-3.jpg",
    "canmore-miners-day-2006-1.jpg",
    "canmore-miners-day-2006-2.jpg",
    "canmore-miners-day-2006-3.jpg",
    "canmore-mines-1.jpg",
    "canmore-rcmp-barracks-1.jpg",
    "canmore-wildlife-bunnies-1.jpg",
    "canmore-wildlife-bunnies-2.jpg",
    "canmore-wildlife-bunnies-3.jpg",
    "canmore-wildlife-ducks-3.jpg",
    "canmore-wildlife-squirrel-1.jpg",
    "canmore-wildlife-squirrel-2.jpg",
    "canmore-wildlife-squirrel-3.jpg"
    )

var usedimages = new Array();

function pickRandomImage()
{
  var imageIndex;
  if (Math.random) {
    imageIndex = Math.round(Math.random() * (tasterimages.length - 1));
  } else {
    var now = new Date();
    imageIndex = (now.getTime() / 1000) % tasterimages.length;
  }
  if (usedimages.indexOf(imageIndex) != -1) {
    return pickRandomImage();
  } else {
    usedimages.push(imageIndex);
    return tasterimages[imageIndex];
  }
}