function LoadRotatingImages() {
  for (var i in rotating_images) {
    LoadRotatingImage(i);
  }
}

function LoadRotatingImage(a) {
  var c = Math.round(rotating_images[a].length*Math.random()) - 1;
  if (c < 0) c = 0;
  if (c > (rotating_images[a].length - 1)) c = rotating_images[a].length -1;
  document.getElementById(a).src = rotating_images[a][c];
}

var rotating_images = new Object();

function AddRotatingImage(a, b) {
  if (!rotating_images[a])
    rotating_images[a] = new Array();
  rotating_images[a][rotating_images[a].length] = b;
}

AddRotatingImage("rotating_image","http://www.elon.edu/shell/rotate/greeklife/images/collage.jpg");
AddRotatingImage("rotating_image","http://www.elon.edu/shell/rotate/greeklife/images/collage2.jpg");
AddRotatingImage("rotating_image","http://www.elon.edu/shell/rotate/greeklife/images/collage3.jpg");
AddRotatingImage("rotating_image","http://www.elon.edu/shell/rotate/greeklife/images/collage4.jpg");
AddRotatingImage("rotating_image","http://www.elon.edu/shell/rotate/greeklife/images/collage5.jpg");