function showRandomPhoto()
{
  var Photos = new Array();
  Photos[0] = 'images/1.jpg';
  Photos[1] = 'images/2.jpg';
  Photos[2] = 'images/3.jpg';
  Photos[3] = 'images/4.jpg';
  Photos[4] = 'images/5.jpg';
  Photos[5] = 'images/6.jpg';
  Photos[6] = 'images/7.jpg';
  Photos[7] = 'images/8.jpg';
  Photos[8] = 'images/9.jpg';
  Photos[9] = 'images/10.jpg';
  Photos[10] = 'images/11.jpg';
  Photos[11] = 'images/12.jpg';
  Photos[12] = 'images/13.jpg';
  Photos[13] = 'images/14.jpg';
  Photos[14] = 'images/15.jpg';
  Photos[15] = 'images/16.jpg';        
  Photos[16] = 'images/17.jpg';        
  Photos[17] = 'images/18.jpg';        
  Photos[18] = 'images/19.jpg';        
  Photos[19] = 'images/20.jpg';        
  Photos[20] = 'images/21.jpg';        
  Photos[21] = 'images/22.jpg';        
  Photos[22] = 'images/23.jpg';        
  Photos[23] = 'images/24.jpg'; 
  var numPhotos = Photos.length;
  var preBuffer = new Array();
  for (i=0;i<numPhotos;i++)
  {
      preBuffer[i] = new Image();
      preBuffer[i].src = Photos[i];
  }
  var whichPhoto = Math.round(Math.random()*(numPhotos-1));
  document.write('<img class="green_border" src="' + Photos[whichPhoto] + '" alt="buji bijoux" title="buji bijoux"/>');
}