// all images located in /images/homepage and are 320 x 145
// var img = Array("constructions.jpg", "north.jpg", "overview.jpg") ;
var img = Array("cancer.jpg", "front.jpg", "emerg-entrance.jpg") ;
img.sort(function() {return 0.5 - Math.random()}); // elements randomized
var count = 0 ;

$(document).ready(function() {
  $("#display").attr("src", "/images/homepage/" + img[0]) ;
  var t=setTimeout("doSlideshow()", 5000) ;
});

function doSlideshow() {
  // increment slide count
  count++ ;
  if (count >= img.length) count = 0 ;
  $("#display").fadeOut(1000, function () {
    $(this).attr("src", "/images/homepage/" + img[count])
      . fadeIn(1000)
      .animate({opacity: 1.0}, 5000, doSlideshow) ;
  }) ;
}