var photo=new Array()

photo[0]='<img src="photo_gallery/royals/royals_030_th.jpg" border="0" width="250" height="188" alt="photo" />'

photo[1]='<img src="photo_gallery/union/pics_005_th.jpg" border="0" width="250" height="188" alt="photo" />'
photo[2]='<img src="photo_gallery/union/pics_021_th.jpg" border="0" width="250" height="188" alt="photo" />'

var whichphoto=Math.floor(Math.random()*(photo.length))
document.write(photo[whichphoto])