// animated push-button for blondeguy.com web-site
if (document.images) {
  bgDown = new Image();
  bgDown.src = "bgButtonDown.gif";
  bgUp = new Image();
  bgUp.src = "bgButtonUp.gif";
}

// button pressed
function bgShowDown(imgName) {
  if (document.images) {
    document[imgName].src = bgDown.src;
  }
}

// button released
function bgShowUp(imgName) {
  if (document.images) {
    document[imgName].src = bgUp.src;
  }
}