function imgSwap(pic1,pic2)
	{
		if (document.images) 
		{
			document.images[pic1].src = eval(pic2 + ".src");
		}
	}
	
	if (document.images)
	{
		navg_bowling_1 = new Image(167, 117);
		navg_bowling_1.src = "img/navg_bowling_off.jpg";
		navg_bowling_2 = new Image(167, 117);
		navg_bowling_2.src = "img/navg_bowling_on.jpg";

		navg_restaurant_1 = new Image(167, 117);
		navg_restaurant_1.src = "img/navg_restaurant_off.jpg";
		navg_restaurant_2 = new Image(167, 117);
		navg_restaurant_2.src = "img/navg_restaurant_on.jpg";

		navg_disco_1 = new Image(167, 117);
		navg_disco_1.src = "img/navg_disco_off.jpg";
		navg_disco_2 = new Image(167, 117);
		navg_disco_2.src = "img/navg_disco_on.jpg";
	}