// preload navigation images:
if (document.images) {

		about_on = new Image();
        about_on.src = "/images/nav_about_on.gif";
        about_off = new Image();
        about_off.src = "/images/nav_about_off.gif";

		products_on = new Image();
		products_on.src = "/images/nav_products_on.gif";
		products_off = new Image();
		products_off.src = "/images/nav_products_off.gif";
                
		industries_on = new Image();
		industries_on.src = "/images/nav_industries_on.gif";
		industries_off = new Image();
        industries_off.src = "/images/nav_industries_off.gif";
                
//		news_on = new Image();
//		news_on.src = "/images/nav_news_on.gif";
//		news_off = new Image();
//      news_off.src = "/images/nav_news_off.gif";
                
		contact_on = new Image();
		contact_on.src = "/images/nav_contact_on.gif";
		contact_off = new Image();
		contact_off.src = "/images/nav_contact_off.gif";                                              
                
		terms_on = new Image();
		terms_on.src = "/images/nav_terms_on.gif";
		terms_off = new Image();
		terms_off.src = "/images/nav_terms_off.gif";
                                
		privacy_on = new Image();
		privacy_on.src = "/images/nav_privacy_on.gif";
		privacy_off = new Image();
		privacy_off.src = "/images/nav_privacy_off.gif";
                		
		home_on = new Image();
		home_on.src = "/images/nav_home_on.gif";
		home_off = new Image();
		home_off.src = "/images/nav_home_off.gif";                
}
                        
function hiLite(imgID,changeID) {                        
        if (document.images) {
        document.images[imgID].src = eval(changeID + ".src");
        return true;
        }
}