var sectionUBound = 4;

function doMenu() {
	var openMenuNum = getCookie("openMenuNum");
	if ((openMenuNum != null) && (openMenuNum != -1)) {
		toggleMenu(getCookie("openMenuNum"))
	}
}

function toggleMenu(sectionNum) {
	for (var x = 0; x <= sectionUBound; x++) {
		if (x != sectionNum) {
			document.getElementById("section" + x).style.display = "none";
			document.getElementById("image" + x).src = "/images/btnPlus.gif";
		}
	}
	var sectionId = "section" + sectionNum;
	var imageId = "image" + sectionNum;
	if (document.getElementById(sectionId).style.display == "none") {
		document.getElementById(sectionId).style.display = "block";
		document.getElementById(imageId).src = "/images/btnMinus.gif";
		setCookie("openMenuNum", sectionNum, null, "/");
	} else {
		document.getElementById(sectionId).style.display = "none";
		document.getElementById(imageId).src = "/images/btnPlus.gif";
		setCookie("openMenuNum", -1, null, "/");
	}
	return false;
}