function random_imglink(){
  var footerimages=new Array()
  footerimages[1]="ad/img/starcats.gif"
  footerimages[2]="ad/img/lux.jpg"
  footerimages[3]="ad/img/five.jpg"

  var imagelinks=new Array()
  imagelinks[1]="http://www.starcats.jp"
  imagelinks[2]="http://www.luxury2006.jp"
  imagelinks[3]="http://www.five-pro.com/"

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

  if (ry==0)
     ry=1
     document.write('<div style="text-align:center;"><a href='+'"'+imagelinks[ry]+'"'+' title="撮影会情報" target="_blank"><img src="'+footerimages[ry]+'" alt="おすすめサイト情報" width=190" height="150" /></a></div>')
}

  random_imglink()