<!--
if (document.images) {
on = new Image;
on.src = "images/btn_2.jpg";



off = new Image;
off.src = "images/btn_1.jpg";



}

function img_act (imgName) {
  if (document.images) {
  imgOn = eval (imgName + "on.src");
  document [imgName].src = imgOn;
  }
}

function img_inact (imgName) {
  if (document.images) {
  imgOff = eval (imgName + "off.src");
  document [imgName].src = imgOff;
  }
}
//-->