function doPreLoad(){
	navImg = new Image();
	navImg.src = "/DKE/images/buttons/joinDKEOver.gif";
	navImg = new Image();
	navImg.src = "/DKE/images/buttons/newsOver.gif";
	navImg = new Image();
	navImg.src = "/DKE/images/buttons/archivesOver.gif";
	navImg = new Image();
	navImg.src = "/DKE/images/buttons/faqOver.gif";
	}