if (document.images) { // Browser supports image swaps (most do)

	var imgSelected = new Image();
	imgSelected.src = "../images/cellBG3_ovr.gif";

	var imgNotSelected = new Image();
	imgNotSelected.src = "../images/cellBG3_def.gif";
}

function showIndicator(index) { // Shows an Underline bar under the selected menu item
	if (document.images)
		document.images["indicator"+index].src = imgSelected.src;
}

function hideIndicator(index) { // Removes the Underline bar from under the last selected menu item
	if (document.images)
		document.images["indicator"+index].src = imgNotSelected.src;
}