function randomSmallImage() { 
var smallImages = new Array(
'http://www.nuigalway.ie/images/staff/150/37.jpg',
'http://www.nuigalway.ie/images/staff/150/27.jpg',
'http://www.nuigalway.ie/images/staff/150/31.jpg',
'http://www.nuigalway.ie/images/buildings/150/47.jpg',
'http://www.nuigalway.ie/images/buildings/150/28.jpg',
'http://www.nuigalway.ie/images/buildings/150/33.jpg',
'http://www.nuigalway.ie/images/buildings/150/23.jpg',
'http://www.nuigalway.ie/images/buildings/150/16a.jpg',
'http://www.nuigalway.ie/images/buildings/150/79.jpg',
'http://www.nuigalway.ie/images/buildings/150/77.jpg',
'http://www.nuigalway.ie/images/buildings/150/54.jpg',
'http://www.nuigalway.ie/images/buildings/150/19a.jpg',
'http://www.nuigalway.ie/images/buildings/150/17.jpg',
'http://www.nuigalway.ie/images/buildings/150/12.jpg',
'http://www.nuigalway.ie/images/buildings/150/32.jpg',
'http://www.nuigalway.ie/images/buildings/150/16b.jpg',
'http://www.nuigalway.ie/images/buildings/150/6.jpg',
'http://www.nuigalway.ie/images/buildings/150/4.jpg',
'http://www.nuigalway.ie/images/buildings/150/26.jpg',
'http://www.nuigalway.ie/images/buildings/150/16.jpg',
'http://www.nuigalway.ie/images/buildings/150/5.jpg',
'http://www.nuigalway.ie/images/buildings/150/70.jpg',
'http://www.nuigalway.ie/images/buildings/150/60.jpg',
'http://www.nuigalway.ie/images/buildings/150/19.jpg',
'http://www.nuigalway.ie/images/students/150/4.jpg'
);
var max = smallImages.length -1;
var num = Math.floor((Math.random() * max));
if (document.getElementById) {
  var smallImageDiv = document.getElementById('rightbarimage');
  if (smallImageDiv) {
    smallImageDiv.style.backgroundImage = "url(" + smallImages[num] + ")";
  }
}
return;
}