if (document.images) {
off_60img = new Image();off_60img.src = 'topimg/60off.jpg';
off_m60img = new Image();off_m60img.src = 'img/hm_60off.gif';
off_70img = new Image();off_70img.src = 'topimg/70off.jpg';
off_m70img = new Image();off_m70img.src = 'img/hm_70off.gif';
off_50img = new Image();off_50img.src = 'topimg/50off.jpg';
off_m50img = new Image();off_m50img.src = 'img/hm_50off.gif';
off_30img = new Image();off_30img.src = 'topimg/30off.jpg';
off_m30img = new Image();off_m30img.src = 'img/hm_30off.gif';
off_20img = new Image();off_20img.src = 'topimg/20off.jpg';
off_m20img = new Image();off_m20img.src = 'img/hm_20off.gif';
off_10img = new Image();off_10img.src = 'topimg/10off.jpg';
off_m10img = new Image();off_m10img.src = 'img/hm_10off.gif';
off_m503img = new Image();off_m503img.src = 'img/hm_503off.gif';
off_100img = new Image();off_100img.src = 'topimg/100off.jpg';
off_m100img = new Image();off_m100img.src = 'img/hm_100off.gif';
off_m504img = new Image();off_m504img.src = 'img/hm_504off.gif';
off_110img = new Image();off_110img.src = 'topimg/110off.jpg';
off_m110img = new Image();off_m110img.src = 'img/hm_110off.gif';
off_m505img = new Image();off_m505img.src = 'img/hm_505off.gif';

on_60img = new Image();on_60img.src = 'topimg/60on.jpg';
on_m60img = new Image();on_m60img.src = 'img/hm_60on.gif';
on_70img = new Image();on_70img.src = 'topimg/70on.jpg';
on_m70img = new Image();on_m70img.src = 'img/hm_70on.gif';
on_50img = new Image();on_50img.src = 'topimg/50on.jpg';
on_m50img = new Image();on_m50img.src = 'img/hm_50on.gif';
on_30img = new Image();on_30img.src = 'topimg/30on.jpg';
on_m30img = new Image();on_m30img.src = 'img/hm_30on.gif';
on_20img = new Image();on_20img.src = 'topimg/20on.jpg';
on_m20img = new Image();on_m20img.src = 'img/hm_20on.gif';
on_10img = new Image();on_10img.src = 'topimg/10on.jpg';
on_m10img = new Image();on_m10img.src = 'img/hm_10on.gif';
on_m503img = new Image();on_m503img.src = 'img/hm_503on.gif';
on_100img = new Image();on_100img.src = 'topimg/100on.jpg';
on_m100img = new Image();on_m100img.src = 'img/hm_100on.gif';
on_m504img = new Image();on_m504img.src = 'img/hm_504on.gif';
on_110img = new Image();on_110img.src = 'topimg/110on.jpg';
on_m110img = new Image();on_m110img.src = 'img/hm_110on.gif';
on_m505img = new Image();on_m505img.src = 'img/hm_505on.gif';
}
function di(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}