function random_imglink(){
  var myimages=new Array()

  // images
  myimages[1]="images/products/ss800.jpg"
  myimages[2]="images/products/ss1000.jpg"
  myimages[3]="images/products/ss2000.jpg"
  myimages[4]="images/products/combi.jpg"
  myimages[5]="images/products/shaker.jpg"
  myimages[6]="images/products/tiles.jpg"
  myimages[7]="images/products/pad_tank.jpg"
  myimages[8]="images/products/newSidebar.gif"

  // links
  var imagelinks=new Array()
  imagelinks[1]="products/centrifuges/ss800.php"
  imagelinks[2]="products/centrifuges/ss1000.php"
  imagelinks[3]="products/centrifuges/ss2000.php"
  imagelinks[4]="products/combi_centrifuge.php"
  imagelinks[5]="products/orbital_vortex_shakers.php"
  imagelinks[6]="products/tungsten_carbide_tiles.php"
  imagelinks[7]="products/pad_tanks.php"
  imagelinks[8]="products/tungsten_carbide_tiles.php"

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

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

random_imglink()