browserName = navigator.appName;
	browserVer = parseInt(navigator.appVersion);
	var base = "01/nav/"

	tool1on = new Image(1, 1);
	tool1on.src = base+"t1-lt.gif";
	tool1off = new Image(1, 1);
	tool1off.src = base+"t1.gif";

	tool2on = new Image(1, 1);
	tool2on.src = base+"t2-lt.gif";
	tool2off = new Image(1, 1);
	tool2off.src = base+"t2.gif";

	tool3on = new Image(1, 1);
	tool3on.src = base+"t3-lt.gif";
	tool3off = new Image(1, 1);
	tool3off.src = base+"t3.gif";

	tool4on = new Image(1, 1);
	tool4on.src = base+"t4-lt.gif";
	tool4off = new Image(1, 1);
	tool4off.src = base+"t4.gif";

	tool5on = new Image(1, 1);
	tool5on.src = base+"t5-lt.gif";
	tool5off = new Image(1, 1);
	tool5off.src = base+"t5.gif";

	function turnOn(imgName) {
		imgOn = eval(imgName + "on.src" );
		document [imgName].src = imgOn;
	}

	function turnOff(imgName) {
		imgOff = eval(imgName + "off.src" );
		document [imgName].src = imgOff;
	}

	if ((browserName == "Microsoft Internet Explorer" && browserVer >= 3) || (browserName == "Netscape" && browserVer >= 3))
		version = "1"
	else
		version = "2"

	ns4 = (document.layers)? true:false
	ie4 = (document.all)? true:false

	function init() {
		if (ns4)
			layer_id = document.dispatcher;
		if (ie4)
			layer_id = dispatcher.style;
	}

	// Show/Hide functions for pointer objects
	var yes=0
	function show(obj) {
		if (yes==0)   
			showObject(obj);
		else
			hideObject(obj);
	}

	function showObject(obj) {
		if (ns4)  
			obj.visibility = "show";
		else if (ie4)
			obj.visibility = "visible";
		yes=1;
	}

	function hideObject(obj) {
		if (ns4) 
			obj.visibility = "hide";
		else if (ie4)
			obj.visibility = "hidden";
		yes=0;
	}

	function repaint() {
		if ( !ie4 )
			history.go(0);
	}