<!-- Hide from older browsers

if (document.images) {
  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 corporate_off = new Image();
  corporate_off.src = "images/nav/corporate1.gif";
  var corporate_on = new Image();
  corporate_on.src = "images/nav/corporate2.gif";

  var social_off = new Image();
  social_off.src = "images/nav/social1.gif";
  var social_on = new Image();
  social_on.src = "images/nav/social2.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 -->