function setOneVisible() {
document.getElementById("layer1").style.visibility="visible";
}
function setOneNotVisible() {
document.getElementById("layer1").style.visibility="hidden";
}
function setTwoVisible() {
document.getElementById("layer2").style.visibility="visible";
}
function setTwoNotVisible() {
document.getElementById("layer2").style.visibility="hidden";
}
function setThreeVisible() {
document.getElementById("layer3").style.visibility="visible";
}
function setThreeNotVisible() {
document.getElementById("layer3").style.visibility="hidden";
}
function setFourVisible() {
document.getElementById("layer4").style.visibility="visible";
}
function setFourNotVisible() {
document.getElementById("layer4").style.visibility="hidden";
}
function setFiveVisible() {
document.getElementById("layer5").style.visibility="visible";
}
function setFiveNotVisible() {
document.getElementById("layer5").style.visibility="hidden";
}
function setSixVisible() {
document.getElementById("layer6").style.visibility="visible";
}
function setSixNotVisible() {
document.getElementById("layer6").style.visibility="hidden";
}
function setSevenVisible() {
document.getElementById("layer7").style.visibility="visible";
}
function setSevenNotVisible() {
document.getElementById("layer7").style.visibility="hidden";
}
function setEightVisible() {
document.getElementById("layer8").style.visibility="visible";
}
function setEightNotVisible() {
document.getElementById("layer8").style.visibility="hidden";
}
function setNineVisible() {
document.getElementById("layer9").style.visibility="visible";
}
function setNineNotVisible() {
document.getElementById("layer9").style.visibility="hidden";
}

function setSubmenuOne() {
setOneVisible();
setTwoNotVisible();
setThreeNotVisible();
setFourNotVisible();
setFiveNotVisible();
setSixNotVisible();
setSevenNotVisible();
setEightNotVisible();
setNineNotVisible();
}
function setSubmenuTwo() {
setOneNotVisible();
setTwoVisible();
setThreeNotVisible();
setFourNotVisible();
setFiveNotVisible();
setSixNotVisible();
setSevenNotVisible();
setEightNotVisible();
setNineNotVisible();
}
function setSubmenuThree() {
setOneNotVisible();
setTwoNotVisible();
setThreeVisible();
setFourNotVisible();
setFiveNotVisible();
setSixNotVisible();
setSevenNotVisible();
setEightNotVisible();
setNineNotVisible();
}
function setSubmenuFour() {
setOneNotVisible();
setTwoNotVisible();
setThreeNotVisible();
setFourVisible();
setFiveNotVisible();
setSixNotVisible();
setSevenNotVisible();
setEightNotVisible();
setNineNotVisible();
}
function setSubmenuFive() {
setOneNotVisible();
setTwoNotVisible();
setThreeNotVisible();
setFourNotVisible();
setFiveVisible();
setSixNotVisible();
setSevenNotVisible();
setEightNotVisible();
setNineNotVisible();
}
function setSubmenuSix() {
setOneNotVisible();
setTwoNotVisible();
setThreeNotVisible();
setFourNotVisible();
setFiveNotVisible();
setSixVisible();
setSevenNotVisible();
setEightNotVisible();
setNineNotVisible();
}
function setSubmenuSeven() {
setOneNotVisible();
setTwoNotVisible();
setThreeNotVisible();
setFourNotVisible();
setFiveNotVisible();
setSixNotVisible();
setSevenVisible();
setEightNotVisible();
setNineNotVisible();
}
function setSubmenuEight() {
setOneNotVisible();
setTwoNotVisible();
setThreeNotVisible();
setFourNotVisible();
setFiveNotVisible();
setSixNotVisible();
setSevenNotVisible();
setEightVisible();
setNineNotVisible();
}
function setSubmenuNine() {
setOneNotVisible();
setTwoNotVisible();
setThreeNotVisible();
setFourNotVisible();
setFiveNotVisible();
setSixNotVisible();
setSevenNotVisible();
setEightNotVisible();
setNineVisible();
}