function fShow(myElementName)  {
c = document.getElementById(myElementName);
c.style.visibility = "visible";
}

function fHide(myElementName)  {
c = document.getElementById(myElementName);
c.style.visibility = "hidden";
}

function bookmark(bookmarkurl,bookmarktitle)
{
if (document.all)
window.external.AddFavorite(bookmarkurl,bookmarktitle)
else if (window.sidebar) // firefox
window.sidebar.addPanel(bookmarktitle, bookmarkurl, "");
}