var	tNavOn = new Array(6);
	var	tNavOff = new Array(6);
	var	n;
	var	lit = -1;
	var	imglit = "";
	var	allloaded = false;
	if (document.images) {
		for (n = 0; n < 6; n++) {
			tNavOn[n] = new Image();
			tNavOff[n] = new Image();
			tNavOn[n].src = "images/nav/"+n+"_on.gif";
			tNavOff[n].src = "images/nav/"+n+"_off.gif";
		}


		allloaded = true;
	}



	function clearLit(ltab) {
		if (allloaded) {
			if ((lit != -1)&&(lit != ltab)) {
				document [imglit].src = tNavOff[lit].src;
			}


		}


		lit = -1;
	}



	function img_act(imgName,n) {
		if (allloaded) {
			if (lit != n) {
				clearLit(n);
				document [imgName].src = tNavOn[n].src;
			}


			cancelClearTime();
			lit = n;
			imglit = imgName;
		}


	}


	function img_inact(imgName,n) {
		if (allloaded) {
		}


	}