if (document.images) {

	abouton = new Image;
	abouton.src = "/common/images/nav/nav-about-over.gif";
	aboutoff = new Image;
	aboutoff.src = "/common/images/nav/nav-about.gif";
	
	familyon = new Image;
	familyon.src = "/common/images/nav/nav-family-over.gif";
	familyoff = new Image;
	familyoff.src = "/common/images/nav/nav-family.gif";
	
	newson = new Image;
	newson.src = "/common/images/nav/nav-news-over.gif";
	newsoff = new Image;
	newsoff.src = "/common/images/nav/nav-news.gif";
	
	researchon = new Image;
	researchon.src = "/common/images/nav/nav-research-over.gif";
	researchoff = new Image;
	researchoff.src = "/common/images/nav/nav-research.gif";
	
	qandaon = new Image;
	qandaon.src = "/common/images/nav/nav-qanda-over.gif";
	qandaoff = new Image;
	qandaoff.src = "/common/images/nav/nav-qanda.gif";
	
	springeron = new Image;
	springeron.src = "/common/images/nav/nav-springer-over.gif";
	springeroff = new Image;
	springeroff.src = "/common/images/nav/nav-springer.gif";
	
	supporton = new Image;
	supporton.src = "/common/images/nav/nav-support-over.gif";
	supportoff = new Image;
	supportoff.src = "/common/images/nav/nav-support.gif";
	
	forumon = new Image;
	forumon.src = "/common/images/nav/nav-forum-over.gif";
	forumoff = new Image;
	forumoff.src = "/common/images/nav/nav-forum.gif";

	 function img_on(imgName) {
             if (document.images) {
             imgOn = eval(imgName + "on.src");
             document [imgName].src = imgOn;
             }
     }
     function img_off(imgName) {
             if (document.images) {
             imgOff = eval(imgName + "off.src");
             document [imgName].src = imgOff;
             }
     }
}