menu_1on = new Image();
	menu_1on.src = "images/on.jpg";
	menu_1off = new Image();
	menu_1off.src = "images/off.jpg";

	menu_2on = new Image();
	menu_2on.src = "images/on.jpg";
	menu_2off = new Image();
	menu_2off.src = "images/off.jpg";

	menu_3on = new Image();
	menu_3on.src = "images/on.jpg";
	menu_3off = new Image();
	menu_3off.src = "images/off.jpg";

	menu_4on = new Image();
	menu_4on.src = "images/on.jpg";
	menu_4off = new Image();
	menu_4off.src = "images/off.jpg";

	menu_5on = new Image();
	menu_5on.src = "images/on.jpg";
	menu_5off = new Image();
	menu_5off.src = "images/off.jpg";

	menu_6on = new Image();
	menu_6on.src = "images/on.jpg";
	menu_6off = new Image();
	menu_6off.src = "images/off.jpg";

	menu_7on = new Image();
	menu_7on.src = "images/on.jpg";
	menu_7off = new Image();
	menu_7off.src = "images/off.jpg";

	menu_8on = new Image();
	menu_8on.src = "images/on.jpg";
	menu_8off = new Image();
	menu_8off.src = "images/off.jpg";

	menu_9on = new Image();
	menu_9on.src = "images/on.jpg";
	menu_9off = new Image();
	menu_9off.src = "images/off.jpg";

function TurnOn(TargetId, ImgName)
	{
	var targetElement;
	targetElement = document.all('main');
	targetElement.style.display = "none";

	targetElement = document.all(TargetId);
	targetElement.style.display = "";

	NewImg = eval(ImgName + "on.src");
	document [ImgName].src = NewImg;
	}

function TurnOff(TargetId, ImgName)
	{
	NewImg = eval(ImgName + "off.src");
	document [ImgName].src = NewImg;

	var targetElement;
	targetElement = document.all(TargetId);
	targetElement.style.display = "none";

	targetElement = document.all('main');
	targetElement.style.display = "";
	}