function IgnoreError()
{
  return true;
}
window.onerror = IgnoreError;
  
if (document.images)
{
//overview.html
  btnsOUT = new Image(); btnsOUT.src = "image/button/btn_songs.gif";
  btnpOUT = new Image(); btnpOUT.src = "image/button/btn_photo.gif";
  btnbOUT = new Image(); btnbOUT.src = "image/button/btn_bio.gif";
  btnlOUT = new Image(); btnlOUT.src = "image/button/btn_links.gif";
  btncOUT = new Image(); btncOUT.src = "image/button/btn_contact.gif";

  btnsIN  = new Image(); btnsIN.src  = "image/button/btn_songs_glow.jpg";
  btnpIN  = new Image(); btnpIN.src  = "image/button/btn_photo_glow.jpg";
  btnbIN  = new Image(); btnbIN.src  = "image/button/btn_bio_glow.jpg";
  btnlIN  = new Image(); btnlIN.src  = "image/button/btn_links_glow.jpg";
  btncIN  = new Image(); btncIN.src  = "image/button/btn_contact_glow.jpg";

//photos.html
  phomOUT = new Image(); phomOUT.src = "image/photos-main.gif";
  phovOUT = new Image(); phovOUT.src = "image/photos-vietnam.gif";

  phomIN  = new Image(); phomIN.src  = "image/photos-main_glow.gif";
  phovIN  = new Image(); phovIN.src  = "image/photos-vietnam_glow.gif";
}

function HoverIn(ImgName)
{
  if (document[ImgName])
    document.images[ImgName].src = eval(ImgName+"IN.src");
}

function HoverOut(ImgName)
{
  if (document[ImgName])
    document.images[ImgName].src = eval(ImgName+"OUT.src");
}