if (document.images) {
				img1 = new Image
				img2 = new Image
				img3 = new Image
				img4 = new Image
				img5 = new Image
				img6 = new Image
				nav_off = new Image
				 
				img1.src = "images/nav_differenceOn.gif"
				img2.src = "images/nav_servicesOn.gif"
				img3.src = "images/nav_productsOn.gif"
				img4.src = "images/nav_rfqOn.gif"
				img5.src = "images/nav_contactOn.gif"
				img6.src = "images/nav_homeOn.gif"
				
				nav_off.src = "images/nav.gif"
			}