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_over.gif";

	link2off = new Image();
	link2off.src = "images/link02_on.gif";
	link2on = new Image();
	link2on.src = "images/link02_over.gif";

	link3off = new Image();
	link3off.src = "images/link03_on.gif";
	link3on = new Image();
	link3on.src = "images/link03_over.gif";

	link4off = new Image();
	link4off.src = "images/link04_on.gif";
	link4on = new Image();
	link4on.src = "images/link04_over.gif";

	link5off = new Image();
	link5off.src = "images/link05_on.gif";
	link5on = new Image();
	link5on.src = "images/link05_over.gif";

	link6off = new Image();
	link6off.src = "images/link06_on.gif";
	link6on = new Image();
	link6on.src = "images/link06_over.gif";

	link7off = new Image();
	link7off.src = "images/link07_on.gif";
	link7on = new Image();
	link7on.src = "images/link07_over.gif";

	link8off = new Image();
	link8off.src = "images/link08_on.gif";
	link8on = new Image();
	link8on.src = "images/link08_over.gif";

	link9off = new Image();
	link9off.src = "images/serviceslink01_on.gif";
	link9on = new Image();
	link9on.src = "images/serviceslink01_over.gif";

	link10off = new Image();
	link10off.src = "images/serviceslink02_on.gif";
	link10on = new Image();
	link10on.src = "images/serviceslink02_over.gif";

	link11off = new Image();
	link11off.src = "images/serviceslink03_on.gif";
	link11on = new Image();
	link11on.src = "images/serviceslink03_over.gif";
	
	link20off = new Image();
	link20off.src = "images/link09_on.jpg";
	link20on = new Image();
	link20on.src = "images/link09_over.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");
	}
}