if (document.images)
	{ 
		img1on = new Image;    img1off = new Image; 
		img2on = new Image;    img2off = new Image; 
		img3on = new Image;    img3off = new Image; 
		img4on = new Image;    img4off = new Image;
		img5on = new Image;    img5off = new Image; 
		img6on = new Image;    img6off = new Image; 

		img1on.src = "images/nav-company-intro-a.gif";	img1off.src = "images/nav-company-intro.gif";
		img2on.src = "images/nav-products-a.gif";    	img2off.src = "images/nav-products.gif";
		img3on.src = "images/nav-online-access-a.gif";	img3off.src = "images/nav-online-access.gif";
		img4on.src = "images/nav-news-a.gif";	  		img4off.src = "images/nav-news.gif";
		img5on.src = "images/nav-partnerships-a.gif";	img5off.src = "images/nav-partnerships.gif";
		img6on.src = "images/nav-contact-a.gif";    	img6off.src = "images/nav-contact.gif";
	}

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

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