if (document.images) {         					  

imgAon = new Image();
imgAon.src = "http://jcprd.com/img02/pages/footer-nav/home_x.gif";
imgBon = new Image();
imgBon.src = "http://jcprd.com/img02/pages/footer-nav/contact_us_x.gif";
imgCon = new Image();
imgCon.src = "http://jcprd.com/img02/pages/footer-nav/advertising_x.gif";
imgDon = new Image();
imgDon.src = "http://jcprd.com/img02/pages/footer-nav/links_x.gif";
imgEon = new Image();
imgEon.src = "http://jcprd.com/img02/pages/footer-nav/jobs_x.gif";
imgFon = new Image();
imgFon.src = "http://jcprd.com/img02/pages/footer-nav/volunteering_x.gif";
imgGon = new Image();
imgGon.src = "http://jcprd.com/img02/pages/footer-nav/permits_fees_x.gif";
imgHon = new Image();
imgHon.src = "http://jcprd.com/img02/pages/footer-nav/activities_x.gif";


imgAoff = new Image(); 	
imgAoff.src = "http://jcprd.com/img02/pages/footer-nav/home.gif";
imgBoff = new Image();
imgBoff.src = "http://jcprd.com/img02/pages/footer-nav/contact_us.gif";
imgCoff = new Image();
imgCoff.src = "http://jcprd.com/img02/pages/footer-nav/advertising.gif";
imgDoff = new Image(); 		
imgDoff.src = "http://jcprd.com/img02/pages/footer-nav/links.gif";
imgEoff = new Image(); 	
imgEoff.src = "http://jcprd.com/img02/pages/footer-nav/jobs.gif";
imgFoff = new Image(); 	
imgFoff.src = "http://jcprd.com/img02/pages/footer-nav/volunteering.gif";
imgGoff = new Image(); 	
imgGoff.src = "http://jcprd.com/img02/pages/footer-nav/permits_fees.gif";
imgHoff = new Image(); 	
imgHoff.src = "http://jcprd.com/img02/pages/footer-nav/activities.gif";

}

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

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