<!--Hide code from old browsers
if (document.images) {
    vocabn     = new Image(150, 19);              vocabf     = new Image(150, 19);   
    vocabn.src = "img/nav_vocab.gif";    vocabf.src = "img/nav_vocab_on.gif";
    clientsn     = new Image(150, 19);              clientsf     = new Image(150, 19);   
    clientsn.src = "img/nav_clients.gif";    clientsf.src = "img/nav_clients_on.gif";
    portn     = new Image(150, 19);              portf     = new Image(150, 19);   
    portn.src = "img/nav_portfolio.gif";    portf.src = "img/nav_portfolio_on.gif";
    contactn     = new Image(150, 19);              contactf     = new Image(150, 19);   
    contactn.src = "img/nav_contact.gif";    contactf.src = "img/nav_contact_on.gif";
    hackn     = new Image(150, 39);              hackf     = new Image(150, 39);   
    hackn.src = "img/vultxt_hack.gif";    hackf.src = "img/vultxt_hack_on.gif";
    geekn     = new Image(200, 39);              geekf     = new Image(200, 39);   
    geekn.src = "img/vultxt_geek.gif";    geekf.src = "img/vultxt_geek_on.gif";
    slutn     = new Image(156, 39);              slutf     = new Image(156, 39);   
    slutn.src = "img/vultxt_slut.gif";    slutf.src = "img/vultxt_slut_on.gif";
}
function on(filePrefix) {
    if (document.images) {
        document [filePrefix].src = eval(filePrefix + "f.src");
	}
}
function off(filePrefix) {
    if (document.images) {
        document [filePrefix].src = eval(filePrefix + "n.src");
	}
}
function on2(filePrefix) {
    if (document.images) {
        document [filePrefix].src = eval(filePrefix + "f.src");
	}
    document ["blank"].src = eval(filePrefix + "r.src");
}
function off2(filePrefix) {
    if (document.images) {
        document [filePrefix].src = eval(filePrefix + "n.src");
	}
    document ["blank"].src = "/images/spacer.gif"
}
function noop() {
	return;
}
// -->