function swapImage(imgN,imgU){
if(document.images)document.images[imgN].src=imgU;
}

if (document.images)
    {
        nav_hm2 = new Image();
        nav_hm2.src = "images/nav_hm2.gif";

        nav_corp2 = new Image();
        nav_corp2.src = "images/nav_corp2.gif";

        nav_nprofit2 = new Image();
        nav_nprofit2.src = "images/nav_nprofit2.gif";
		
		nav_consmr2 = new Image();
        nav_consmr2.src = "images/nav_consmr2.gif";
		
		nav_service2 = new Image();
        nav_service2.src = "images/nav_service2.gif";
		
		nav_about2 = new Image();
        nav_about2.src = "images/nav_about2.gif";
		
		nav_contact2 = new Image();
        nav_contact2.src = "images/nav_contact2.gif";
}