function random_imglink(){
  var myimages=new Array()
  myimages[1]="assets/projectThumbs/img3a.gif"
  myimages[2]="assets/projectThumbs/img3b.gif"
  myimages[3]="assets/projectThumbs/img3c.gif"

  var imagelinks=new Array()
  imagelinks[1]="projects.php"
  imagelinks[2]="projects.php"
  imagelinks[3]="projects.php"

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

  if (ry==0)
     ry=1
     document.write('<a href='+'"'+imagelinks[ry]+'"'+'><img src="'+myimages[ry]+'" width="130" height="135" border=0></a>')
}

 random_imglink()