//swap whatever current image is with the one stated
		function ChangeImageHome()
			{
			document.getElementById("nav").src="./mid_nav_img/home.jpg";
			}
		function ChangeImageProducts()
			{
			document.getElementById("nav").src="./mid_nav_img/products.jpg";
			}
		function ChangeImageTech()
			{
			document.getElementById("nav").src="./mid_nav_img/technology.jpg";
			}
		function ChangeImageService()
			{
			document.getElementById("nav").src="./mid_nav_img/services.jpg";
			}
		function ChangeImageAsystem()
			{
			document.getElementById("nav").src="./mid_nav_img/asystem.jpg";
			}
		function ChangeImageContact()
			{
			document.getElementById("nav").src="./mid_nav_img/contact.jpg";
			}
		function ChangeImageNews()
			{
			document.getElementById("nav").src="./mid_nav_img/news.jpg";
			}