<!--
if (document.images) {
		nav1 = new Image
		nav2 = new Image	
		nav3 = new Image
		nav4 = new Image
		nav5 = new Image	
		nav6 = new Image
		nav1b = new Image
		nav2b = new Image	
		nav3b = new Image
		nav4b = new Image
		nav5b = new Image	
		nav6b = new Image
		
		nav1.src = "images/nav/home_on.gif"
		nav2.src = "images/nav/perspective_on.gif"
		nav3.src = "images/nav/news_on.gif"
		nav4.src = "images/nav/contact_on.gif"
		nav5.src = "images/nav/resource_on.gif"
		nav6.src = "images/nav/dslink_on.gif"
		nav1b.src = "images/nav/home_off.gif"
		nav2b.src = "images/nav/perspective_off.gif"
		nav3b.src = "images/nav/news_off.gif"
		nav4b.src = "images/nav/contact_off.gif"
		nav5b.src = "images/nav/resource_off.gif"
		nav6b.src = "images/nav/dslink_off.gif"
		}
		
		function chgImg(imgField,newImg) {
		if (document.images) {
		document[imgField].src= eval(newImg + ".src");
		}
		}
//-->