function writeImages(){
  var j,d="",l="",m="",p="",q="",z="",list= new Array()
  list[list.length]='images/sub_leftimage1.jpg';
  list[list.length]='images/sub_leftimage2.jpg';
  list[list.length]='images/sub_leftimage3.jpg';
  list[list.length]='images/sub_leftimage4.jpg';
  list[list.length]='images/sub_leftimage5.jpg';
  list[list.length]='images/sub_leftimage6.jpg';


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

// "<img src='"+list[j]+"' hspace='15' align='right'>");
}