function random_imglink(){
  var myimages=new Array()
  //specify random images below. You can have as many as you wish
  myimages[1]="images/header-01.jpg"
  myimages[2]="images/header-02.jpg"
  myimages[3]="images/header-03.jpg"
  myimages[4]="images/header-04.jpg"
  myimages[5]="images/header-05.jpg"
  myimages[6]="images/header-06.jpg"
  myimages[7]="images/header-07.jpg"
  myimages[8]="images/header-08.jpg"
  myimages[9]="images/header-09.jpg"
  myimages[10]="images/header-10.jpg"
  myimages[11]="images/header-11.jpg"
  myimages[12]="images/header-12.jpg"
  myimages[13]="images/header-13.jpg"
  myimages[14]="images/header-14.jpg"
  myimages[15]="images/header-15.jpg"
  myimages[16]="images/header-16.jpg"
  myimages[17]="images/header-17.jpg"
  myimages[18]="images/header-18.jpg"
  myimages[19]="images/header-19.jpg"
  myimages[20]="images/header-20.jpg"

  //specify corresponding links below
  var imagelinks=new Array()
  imagelinks[1]="index.html"
  imagelinks[2]="index.html"
  imagelinks[3]="index.html"
  imagelinks[4]="index.html"
  imagelinks[5]="index.html"
  imagelinks[6]="index.html"
  imagelinks[7]="index.html"
  imagelinks[8]="index.html"
  imagelinks[9]="index.html"
  imagelinks[10]="index.html"
  imagelinks[11]="index.html"
  imagelinks[12]="index.html"
  imagelinks[13]="index.html"
  imagelinks[14]="index.html"
  imagelinks[15]="index.html"
  imagelinks[16]="index.html"
  imagelinks[17]="index.html"
  imagelinks[18]="index.html"
  imagelinks[19]="index.html"
  imagelinks[20]="index.html"

  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>')
}

  random_imglink()