<!-- Hide from older browsersif (document.images) {  var home_off = new Image();  home_off.src = "images/nav/home1.gif";  var home_on = new Image();  home_on.src = "images/nav/home2.gif";  var culture_off = new Image();  culture_off.src = "images/nav/culture1.gif";  var culture_on = new Image();  culture_on.src = "images/nav/culture2.gif";  var services_off = new Image();  services_off.src = "images/nav/services1.gif";  var services_on = new Image();  services_on.src = "images/nav/services2.gif";  var portfolio_off = new Image();  portfolio_off.src = "images/nav/portfolio1.gif";  var portfolio_on = new Image();  portfolio_on.src = "images/nav/portfolio2.gif";  var contact_off = new Image();  contact_off.src = "images/nav/contact1.gif";  var contact_on = new Image();  contact_on.src = "images/nav/contact2.gif";}function activate(imgName) {  if (document.images) {    if ( eval(imgName + "_on.complete") ) {      document.images[imgName].src = eval(imgName + "_on.src");    }  }}function deactivate(imgName) {  if (document.images) {    if ( eval(imgName + "_off.complete") ) {      document.images[imgName].src = eval(imgName + "_off.src");    }  }}// End script hiding -->