function random_imglink(){
  var myimages=new Array()
  //specify random images below. You can have as many as you wish
  myimages[1]="nov06/i/home/featured_carbon.gif"
  myimages[2]="nov06/i/home/featured_carbon.gif"
  myimages[3]="nov06/i/home/featured_carbon.gif"

  //specify corresponding links below
  var imagelinks=new Array()
  imagelinks[1]="/nov06/web/carbon.shtml"
  imagelinks[2]="/nov06/web/carbon.shtml"
  imagelinks[3]="/nov06/web/carbon.shtml"

  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>')
}