function random_imglink(){
  var myimages=new Array()
  myimages[1]="images/random1.jpg"
  myimages[2]="images/random2.jpg"
  myimages[3]="images/random3.jpg"

  var imagelinks=new Array()  
  imagelinks[1]="http://www.librairieducentre.com"
  imagelinks[2]="http://www.librairieducentre.com"
  imagelinks[3]="http://www.librairieducentre.com"

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

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

  random_imglink()