<!--
bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
if ((bName == "Netscape" && bVer >=3) ||
	(bName == "Microsoft Internet Explorer" && bVer >=4)) br = "n3";
else br = "n2";

if (br == "n3"){
	img1on = new Image();
	img1on.src = "images/buttons_01_tour_on.gif";
	img2on = new Image();
	img2on.src = "images/buttons_02_mosby_on.gif";	
	img3on = new Image();
	img3on.src = "images/buttons_03_sign_on.gif";
	img4on = new Image();
	img4on.src = "images/buttons_04_resource_on.gif";
	img5on = new Image();
	img5on.src = "images/buttons_05_home_on.gif";
	
	

	img1off = new Image();
	img1off.src = "images/buttons_01_tour_off.gif";
	img2off = new Image();
	img2off.src = "images/buttons_02_mosby_off.gif";	
	img3off = new Image();
	img3off.src = "images/buttons_03_sign_off.gif";
	img4off = new Image();
	img4off.src = "images/buttons_04_resource_off.gif";
	img5off = new Image();
	img5off.src = "images/buttons_05_home_off.gif";
	
    
}

function imgAct(imgName) {
	if(br == "n3"){
		document[imgName].src = eval(imgName + "on.src");
	}
}
function imgInact(imgName){
	if(br == "n3"){
		document[imgName].src = eval(imgName + "off.src");
	}
}
// -->