function random_imglink(){
  var myimages=new Array()
  //specify random images below. You can have as many as you wish
  myimages[1]="kesakuva1.jpg"
  myimages[2]="miehet_voimalassa.jpg"
  myimages[3]="kesakuva2.jpg"
  myimages[4]="kesakuva3.jpg"

  //specify corresponding links below
  var imagelinks=new Array()
  imagelinks[1]="TVO: Nuclear Experts now and in the Future"
  imagelinks[2]="Excellence is born of Experience"
  imagelinks[3]="Responsibility breeds Security"
  imagelinks[4]="TVO focuses on its Core Competence"

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

  if (ry==0)
     ry=1
document.write('<div id="main_big" style="background-image:url(/uploads/Image/kuvakaruselli/'+myimages[ry]+'); background-repeat: no-repeat;"><h2 class="etusivuteksti">'+imagelinks[ry]+'</h2><p>Teollisuuden Voima Oyj (TVO) is a public company which produces electricity for its shareholders at cost price.</p></div>');
}
random_imglink()