window.OnError = null;

var browserName = navigator.appName;
var version = "";
var browserVer = parseInt(navigator.appVersion);

function on(name) {
 if (version == "ok") {
  document[name].src = eval(name + "on.src");
 }
}

function off(name) {
 if (version == "ok")
  document[name].src = eval(name + ".src");
}

if ((browserName == "Netscape" && browserVer >=3) || 
(browserName == "Microsoft Internet Explorer" && browserVer >= 4)) 
{
	version = "ok";

	img1 = new Image(80,20);
	img1.src = "../images/submenu/s31.gif";
	img1on = new Image(80,20);
	img1on.src = "../images/submenu/s31a.gif";

	img2 = new Image(80,20);
	img2.src = "../images/submenu/s32.gif";
	img2on = new Image(80,20);
	img2on.src = "../images/submenu/s32a.gif";

	img6 = new Image(80,20);
	img6.src = "../images/submenu/pagetop.gif";
	img6on = new Image(80,20);
	img6on.src = "../images/submenu/pagetopa.gif";

	img11 = new Image(80,20);
	img11.src = "../images/submenu/s31.gif";
	img11on = new Image(80,20);
	img11on.src = "../images/submenu/s31a.gif";

	img12 = new Image(80,20);
	img12.src = "../images/submenu/s32.gif";
	img12on = new Image(80,20);
	img12on.src = "../images/submenu/s32a.gif";
}