if(document.images) {
 // preload
  b_home = new Image; b_home.src = "/img/ico_home_.gif";
  b_mail = new Image; b_mail.src = "/img/ico_mail_.gif";
  b_sitemap = new Image; b_sitemap.src = "/img/ico_sitemap_.gif";
}

function GoBarGo() {
 location.href = document.F.GoBar.value;
}


function roll(iName, iPath) {
  document.images[iName].src = iPath;
}