function random_imglink(){
  var myimages=new Array()
  //specify random images below. You can have as many as you wish
  myimages[1]="images/blue_home/middle/layout_1.jpg"
  myimages[2]="images/blue_home/middle/layout_2.jpg"
  myimages[3]="images/blue_home/middle/layout_3.jpg"

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

  if (ry==0)
     ry=1
     document.write('<img src="'+myimages[ry]+'" border=0></a>')
}

  random_imglink()