function random_imglink(){
  var img=new Array()
  img[1]="images/rotation/019.jpg"
  img[2]="images/rotation/020.jpg"
  img[3]="images/rotation/021.jpg"
  img[4]="images/rotation/022.jpg"
  img[5]="images/rotation/023.jpg"
  img[6]="images/rotation/024.jpg"
  img[7]="images/rotation/025.jpg"
  img[8]="images/rotation/026.jpg"
  img[9]="images/rotation/027.jpg"
  img[10]="images/rotation/028.jpg"
  img[11]="images/rotation/052.jpg"
  img[12]="images/rotation/055.jpg"

  var ry=Math.floor(Math.random()*img.length)

  if (ry==0)
     ry=1
     document.write('<img src="'+img[ry]+'" border="0" />')
}

  random_imglink()