MM_preloadImages(
'/images/check_website_on.png',
'/images/evaluate_website_on.png',
'/images/add_website_on.png',
'/images/website_owners_on.png',
'/images/search_on.png',
'/images/join_on.png',
'/images/signin_on.png',
'/images/button_check_en.png',
'/images/button_check_en_on.png',
'/images/button_evaluate_en_on.png',
'/images/button_add_en_on.png',
'/images/button_evaluate_en_on.png',
'/images/button_add_en_on.png'); 

function highlight(n) {
if (n=='n1') navon = "/images/check_website_on.png";
if (n=='n2') navon = "/images/evaluate_website_on.png";
if (n=='n3') navon = "/images/add_website_on.png";
if (n=='n4') navon = "/images/website_owners_on.png";
if (n=='n5') navon = "/images/search_on.png";
if (n=='n6') navon = "/images/join_on.png";
if (n=='n7') navon = "/images/signin_on.png";
if (n=='b2') navon = "/images/button_evaluate_en_on.png";
if (n=='b3') navon = "/images/button_add_en_on.png";

document.getElementById(n).src = navon;
} 
function highlightReset(n) {
if (n=='n1') navoff = "/images/check_website.png";
if (n=='n2') navoff = "/images/evaluate_website.png";
if (n=='n3') navoff = "/images/add_website.png";
if (n=='n4') navoff = "/images/website_owners.png";
if (n=='n5') navoff = "/images/search.png";
if (n=='n6') navoff = "/images/join.png";
if (n=='n7') navoff = "/images/signin.png";
if (n=='b2') navoff = "/images/button_evaluate_en.png";
if (n=='b3') navoff = "/images/button_add_en.png";
document.getElementById(n).src = navoff;
}