function random_imglink(){
  var myimages=new Array()
  myimages[1]="/images/healthcare/healthcare-(1).jpg"
  myimages[2]="/images/healthcare/healthcare-(2).jpg"
  myimages[3]="/images/healthcare/healthcare-(3).jpg"
  myimages[4]="/images/healthcare/healthcare-(4).jpg"
  myimages[5]="/images/healthcare/healthcare-(5).jpg"
  myimages[6]="/images/healthcare/healthcare-(6).jpg"
 

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

  if (ry==0)
     ry=1
     document.write('<img src="'+myimages[ry]+'" width="550" height="173" border=0>')
}

  random_imglink()