if (document.images) {
   IS = new Array (
      "m1h", "m2h", "m3h", "m4h", "m5h", "m6h", "m7h", "m8", "m9", "m10", "m11"
   );
   IL = new Array ();
   for (i in IS) {
      IL[i] = new Image ();
      IL[i].src = "/i/m/" + IS[i] + ".gif";
   }
}

function ImgSwap(Name, File) {
  if (document.images)
     document.images[Name].src = "/i/m/" + File + ".gif";
}