function navHome() {
 parent.location.href="home.html";}

function navIndex() {
 parent.location.href="index.html";}

function navWho() {
 parent.location.href="who.html";}

function navWhat() {
 parent.location.href="what.html";}

function navHow() {
 parent.location.href="how.html";}

function navTake() {
 parent.location.href="take.html";}

function navLets() {
 parent.location.href="lets.html";}

function navRes() {
 parent.location.href="res.html";}

function navInv() {
 parent.location.href="inv.html";}

function navTech() {
 parent.location.href="tech.html";}

function navOss() {
 parent.location.href="oss.html";}