function clearPointers() {
parent.MenuFrame.document.images[1].src="images/MenuNoPointer.gif";
parent.MenuFrame.document.images[3].src="images/MenuNoPointer.gif";
parent.MenuFrame.document.images[5].src="images/MenuNoPointer.gif";
parent.MenuFrame.document.images[7].src="images/MenuNoPointer.gif";
parent.MenuFrame.document.images[9].src="images/MenuNoPointer.gif";
parent.MenuFrame.document.images[11].src="images/MenuNoPointer.gif";
}

function showHome() {
clearPointers();
parent.MenuFrame.document.images[1].src="images/MenuPointer.gif";
}

function showAboutMP() {
clearPointers();
parent.MenuFrame.document.images[3].src="images/MenuPointer.gif";
}

function showPurchaseOptions() {
clearPointers();
parent.MenuFrame.document.images[5].src="images/MenuPointer.gif";
}

function showSupport() {
clearPointers();
parent.MenuFrame.document.images[7].src="images/MenuPointer.gif";
}

function showDownloads() {
clearPointers();
parent.MenuFrame.document.images[9].src="images/MenuPointer.gif";
}

function showContactUs() {
clearPointers();
parent.MenuFrame.document.images[11].src="images/MenuPointer.gif";
}