function writeBottleImages(){
  var j,d="",l="",m="",p="",q="",z="",list= new Array()
  list[list.length]='images/sb_sub_bottle_black.jpg';
  list[list.length]='images/sb_sub_bottle_blue.jpg';
  list[list.length]='images/sb_sub_bottle_green.jpg';
  list[list.length]='images/sb_sub_bottle_red.jpg';
  list[list.length]='images/sb_sub_bottle_brown.jpg';
  list[list.length]='images/sb_sub_bottle_white.jpg';
  list[list.length]='images/sb_sub_bottle_cynth.jpg';
  
  j=parseInt(Math.random()*list.length);
  j=(isNaN(j))?0:j;
  document.write("<img src='"+list[j]+"'>");
}