navSafe = "no";
navStart = "no";
subMenuOn = "0";
navName = navigator.appName;
navVersion = parseInt(navigator.appVersion);
if (navName == "Netscape" && navVersion >= 4) navSafe = "NAV";
if (navName == "Microsoft Internet Explorer" && navVersion >= 4) navSafe = "IE";

function btnOver(buttonID)  {
	if (navSafe == "IE") {
		bkgrndID = "btn" + buttonID + "Bkgrnd";
		document.all[bkgrndID].style.backgroundColor = "#444466";
	}
}

function btnOut(buttonID)  {
	if (navSafe == "IE") {
		if (subMenuOn != buttonID) {
			bkgrndID = "btn" + buttonID + "Bkgrnd";
			document.all[bkgrndID].style.backgroundColor = "#8888a8";
		}
	}
}

function btnClick(buttonID,hrefID)  {
	if (navStart == "yes") {
		if (navSafe == "IE") {
			if (subMenuOn != "0") {
				bkgrndID = "btn" + subMenuOn + "Bkgrnd";
				subMenuOnID = "dropMenu" + subMenuOn + "Div";
				document.all[bkgrndID].style.backgroundColor = "#8888a8";
				document.all[subMenuOnID].style.visibility = "hidden";
			}
			if (subMenuOn == buttonID) {
				subMenuOn = "0";
			}
			else {
				subMenuID = "dropMenu" + buttonID + "Div";
				document.all[subMenuID].style.visibility = "visible";
				subMenuOn = buttonID;
			}
			hrefID.blur();
		}
		if (navSafe == "NAV") {
			if (subMenuOn != "0") {
				subMenuOnID = "dropMenu" + subMenuOn + "Layer";
				document.layers[subMenuOnID].visibility = "hidden";
			}
			if (subMenuOn == buttonID) {
				subMenuOn = "0";
			}
			else {
				subMenuID = "dropMenu" + buttonID + "Layer";
				document.layers[subMenuID].visibility = "visible";
				subMenuOn = buttonID;
			}
		}
	}
}