SubMenuItemOver = new Image();
SubMenuItemOver.src = "../Images/SubMenuItem.Selected.gif";
SubMenuItemOut = new Image();
SubMenuItemOut.src = "../Images/SubMenuItem.gif";

LoginOver = new Image();
LoginOver.src = "../Images/Button.Login.Selected.gif";
LoginOut = new Image();
LoginOut.src = "../Images/Button.Login.gif";

LogoutOver = new Image();
LogoutOver.src = "../Images/Button.Logout.Selected.gif";
LogoutOut = new Image();
LogoutOut.src = "../Images/Button.Logout.gif";

function DoNothing() {
	// a simple function that does nothing
}

function SwapImageMenu(UniqueID, OverOut) {
	if (OverOut == "Over") {
		document.images[UniqueID].src = SubMenuItemOver.src;
	}
	else {
		document.images[UniqueID].src = SubMenuItemOut.src;	
	}
}

function SwapImageLogin(obj, LoginLogout, OverOut) {
	if (LoginLogout == "Login") {
		if (OverOut == "Over") {
			obj.src = LoginOver.src;
		}
		else {
			obj.src = LoginOut.src;
		}
	}
	else {
		if (OverOut == "Over") {
			obj.src = LogoutOver.src;
		}
		else {
			obj.src = LogoutOut.src;
		}
	}
}