<!-- 
email = new Image
email.src = "nav-bar/email-on.gif"
dk = new Image
dk.src = "nav-bar/dungeon-keeper-on.gif"

function emailon() { document.email.src = email.src; return true; }
function emailoff() { document.email.src = "nav-bar/email-off.gif"; return true; }
function dkon() { document.dk.src = dk.src; return true; }
function dkoff() { document.dk.src = "nav-bar/dungeon-keeper-off.gif"; return true; }
//-->