var j,l="",m="",p="",q="",z="", x="" ,list= new Array()
  list[list.length]='<img src=images/structure/duck.jpg>';
  list[list.length]='<img src=images/structure/breakfast.jpg>';
  list[list.length]='<img src=images/structure/feta.jpg>';
  list[list.length]='<img src=images/structure/jerk.jpg>';
  list[list.length]='<img src=images/structure/waffles.jpg>';

  j=parseInt(Math.random()*list.length);
  j=(isNaN(j))?0:j;
    document.write(list[j]);