<!-- //
// Preload navigation rollover images
n1 = new Image();
n1.src = "../shared/images/nav_advantage_on.gif";
n2 = new Image();
n2.src = "../shared/images/capabilities_on.gif";
n3 = new Image();
n3.src = "../shared/images/studies_on.gif";
n4 = new Image();
n4.src = "../shared/images/newsletter_on.gif";

function navover(img) {
	imgOver = "../shared/images/nav_"+img+"_on.gif";
	document.images[img].src = imgOver;
	}
	
function navout(img) {
	imgOut = "../shared/images/nav_"+img+"_off.gif";
	document.images[img].src = imgOut;
	}
// -->