function checkout1off() {
document.checkout1.src = Image131.src; return true;
}

function checkout1on() {
document.checkout1.src = Image132.src; return true;
}

function checkout2off() {
document.checkout2.src = Image133.src; return true;
}

function checkout2on() {
document.checkout2.src = Image134.src; return true;
}

function checkout3off() {
document.checkout3.src = Image135.src; return true;
}

function checkout3on() {
document.checkout3.src = Image136.src; return true;
}

function checkout4off() {
document.checkout4.src = Image137.src; return true;
}

function checkout4on() {
document.checkout4.src = Image138.src; return true;
}

function checkout5off() {
document.checkout5.src = Image139.src; return true;
}

function checkout5on() {
document.checkout5.src = Image140.src; return true;
}

function checkout6off() {
document.checkout6.src = Image141.src; return true;
}

function checkout6on() {
document.checkout6.src = Image142.src; return true;
}

function checkout7off() {
document.checkout7.src = Image143.src; return true;
}

function checkout7on() {
document.checkout7.src = Image144.src; return true;
}

function soundsoff() {
document.sounds.src = Image145.src; return true;
}

function soundson() {
document.sounds.src = Image146.src; return true;
}

function birdieoff() {
document.birdie.src = Image147.src; return true;
}

function birdieon() {
document.birdie.src = Image148.src; return true;
}