function random_imglink(){
  var img=new Array()
  img[1]="images/big-banners/homebanner.jpg"   
  var ry=Math.floor(Math.random()*img.length)

  if (ry==0)
     ry=1
     document.write('<img src="'+img[ry]+'" border="0" alt="Michigan Spine &amp; Pain - Real People - Real Relief"/>')
}

  random_imglink()