function popUpPrivacy() {
window.open('privacy.html', 'poppage', 'toolbars=0, scrollbars=0, location=0, statusbars=0, menubars=0, resizable=0, width=525, height=325');
}
function popUpCredits() {
window.open('credits.html', 'poppage', 'toolbars=0, scrollbars=0, location=0, statusbars=0, menubars=0, resizable=0, width=525, height=325');
}