browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserVer >= 3)
	version = "n3";
else version = "n2";

if (version == "n3") {
	img1on = new Image();img1on.src = "images/r.gif";
	img2on = new Image();img2on.src = "images/v.gif";
	img3on = new Image();img3on.src = "images/l.gif";
	img4on = new Image();img4on.src = "images/n.gif";
	img5on = new Image();img5on.src = "images/b.gif";

	blank = new Image();blank.src = "images/g.gif";
}
// set images to be on
function img_act(imgName) {
	if (version == "n3") {
		if (imgName != "img0") {
			document [imgName].src = eval(imgName + "on.src");
		} else {
			for (i = 1; i <= 5; i ++) {
				document ["img" + i].src = eval("img" + i + "on.src");
			}
		}
	}
}

function img_inact(imgName) {
	if (version == "n3") {
		if (imgName != "img0") {
			document [imgName].src = eval("blank.src");
		} else {
			for (i = 1; i <= 5; i ++) {
				setTimeout("document ['img" + i + "'].src = blank.src", i*75);
			}
		}
	}
}