if (document.images)
		{

// Top Navigation Image Rollovers

		aboutOn = new Image();
		aboutOn.src = "images/aboutus_on.gif";

		aboutOff = new Image();
		aboutOff.src = "images/aboutus.gif";

		contactOn = new Image();
		contactOn.src = "images/contactus_on.gif";

		contactOff = new Image();
		contactOff.src = "images/contactus.gif";

		homeOn = new Image();
		homeOn.src = "images/home_on.gif";

		homeOff = new Image();
		homeOff.src = "images/home.gif";

		catalogOn = new Image();
		catalogOn.src = "images/catalog_on.gif";

		catalogOff = new Image();
		catalogOff.src = "images/catalog.gif";




		}

		function imgOn (imagename)
		{
		if (document.images)
		{
			document.images[imagename].src = eval(imagename+"On.src");
		}
		}
		
		function imgOff (imagename)
		{
		if (document.images)
		{
			document.images[imagename].src = eval(imagename+"Off.src");
		}
		}

		function preloadImages(){
		return true;
		}