imgCollection = new Array();

function preLoadImg(imgSrc) {
	imgCollection[imgCollection.length] = new Image();
	imgCollection[imgCollection.length - 1].src = imgSrc;
	}

function preLoadNav(imgName) {
	preLoadImg("/images/topnav/" + imgName + ".gif");
	preLoadImg("/images/topnav/" + imgName + "-hover.gif");
	preLoadImg("/images/topnav/" + imgName + "-on.gif");
	}

preLoadNav("home");
preLoadNav("who-we-are");
preLoadNav("what-we-do");
preLoadNav("who-we-serve");
preLoadNav("how-we-work");
preLoadNav("contact");
preLoadNav("login");