function rotar(){
  var banner=new Array()
  banner[1]="images/banners/k15i.gif"
  banner[2]="images/banners/k15i.gif"

  var enlace=new Array()
  enlace[1]="http://www.kenyalogy.com/index.html"
  enlace[2]="http://www.kenyalogy.com/index.html"

  var rn=Math.floor(Math.random()*banner.length)

  if (rn==0)
     rn=1
     document.write('<a href='+'"'+enlace[rn]+'" TARGET="_blank"'+'><img src="'+banner[rn]+'" border=0></a>')
}

  rotar()