function random_imglink(){
  var myimages=new Array()
  //specify random images below. You can have as many as you wish
  myimages[1]="corp_image_a.jpg"
  myimages[2]="corp_image_b.jpg"
  myimages[3]="corp_image_c.jpg"
  myimages[4]="corp_image_d.jpg"
  myimages[5]="corp_image_e.jpg"
  myimages[6]="corp_image_f.jpg"
  myimages[7]="corp_image_g.jpg"
  myimages[8]="corp_image_h.jpg"
  myimages[9]="corp_image_i.jpg"
  myimages[10]="corp_image_j.jpg"
  myimages[11]="corp_image_k.jpg"
  myimages[12]="corp_image_l.jpg"
  myimages[13]="corp_image_m.jpg"
  myimages[14]="corp_image_n.jpg"

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

  if (ry==0)
	 ry=1
	 document.write('<img src="http://nadcnl.com/sitedata/2//Image/Basics/header/'+myimages[ry]+'" width="700" height="250">')
}

  random_imglink()