NS4 = false;
if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4)) {
	NS4 = true;
}

	link1off = new Image();
	link1off.src = "../images/link01_on.gif";
	link1on = new Image();
	link1on.src = "../images/link01_off.gif";

	link2off = new Image();
	link2off.src = "../images/link02_on.gif";
	link2on = new Image();
	link2on.src = "../images/link02_off.gif";

	link3off = new Image();
	link3off.src = "../images/link03_on.gif";
	link3on = new Image();
	link3on.src = "../images/link03_off.gif";

	link4off = new Image();
	link4off.src = "../images/link04_on.gif";
	link4on = new Image();
	link4on.src = "../images/link04_off.gif";

	link5off = new Image();
	link5off.src = "../images/link05_on.gif";
	link5on = new Image();
	link5on.src = "../images/link05_off.gif";

	link6off = new Image();
	link6off.src = "../images/link06_on.gif";
	link6on = new Image();
	link6on.src = "../images/link06_off.gif";

	link7off = new Image();
	link7off.src = "../images/link07_on.gif";
	link7on = new Image();
	link7on.src = "../images/link07_off.gif";

	link8off = new Image();
	link8off.src = "../images/link08_on.gif";
	link8on = new Image();
	link8on.src = "../images/link08_off.gif";

	link9off = new Image();
	link9off.src = "../images/link09_on.gif";
	link9on = new Image();
	link9on.src = "../images/link09_off.gif";
	
	link10off = new Image();
	link10off.src = "../images/link10_on.gif";
	link10on = new Image();
	link10on.src = "../images/link10_off.gif";
	
	link12off = new Image();
	link12off.src = "../images/link12_on.gif";
	link12on = new Image();
	link12on.src = "../images/link12_off.gif";
	
	link13off = new Image();
	link13off.src = "../images/link13_on.gif";
	link13on = new Image();
	link13on.src = "../images/link13_off.gif";
			
			link14off = new Image();
	link14off.src = "../images/link14_off.gif";
	link14on = new Image();
	link14on.src = "../images/link14_on.gif";
	
		link15off = new Image();
	link15off.src = "../images/link15_off.gif";
	link15on = new Image();
	link15on.src = "../images/link15_on.gif";
	
		link16off = new Image();
	link16off.src = "../images/link16_off.gif";
	link16on = new Image();
	link16on.src = "../images/link16_on.gif";
	
		link17off = new Image();
	link17off.src = "../images/link17_off.gif";
	link17on = new Image();
	link17on.src = "../images/link17_on.gif";
	
	
	
function turnon(i, whichLayer) {
	if (NS4 && whichLayer) {
		document.layers[whichLayer].document.images[i].src = eval(i + "on.src");
	} else {
		document.images[i].src = eval(i + "on.src");
	}
}

function turnoff(i, whichLayer) {
	if (NS4 && whichLayer) {
		document.layers[whichLayer].document.images[i].src = eval(i + "off.src");
	} else {
		document.images[i].src = eval(i + "off.src");
	}
}