function writeImages(){
  var j,d="",l="",m="",p="",q="",z="",list= new Array()
  list[list.length]='images/leftpic_1.jpg';
  list[list.length]='images/leftpic_2.jpg';
  list[list.length]='images/leftpic_3.jpg';
  list[list.length]='images/leftpic_4.jpg';
  list[list.length]='images/leftpic_5.jpg';
  list[list.length]='images/leftpic_6.jpg';
  list[list.length]='images/leftpic_7.jpg';
  list[list.length]='images/leftpic_8.jpg';
  list[list.length]='images/leftpic_9.jpg';
  list[list.length]='images/leftpic_10.jpg';
  list[list.length]='images/leftpic_11.jpg';
  list[list.length]='images/leftpic_12.jpg';
  list[list.length]='images/leftpic_13.jpg';
  list[list.length]='images/leftpic_14.jpg';
  list[list.length]='images/leftpic_15.jpg';
  list[list.length]='images/leftpic_16.jpg';
  list[list.length]='images/leftpic_17.jpg';
  list[list.length]='images/leftpic_18.jpg';
  
  j=parseInt(Math.random()*list.length);
  j=(isNaN(j))?0:j;
  document.write("<img src='"+list[j]+"' align='left'>");
}