<!-- 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 aboutus_off = new Image();
  aboutus_off.src = "images/nav/aboutus1.gif";
  var aboutus_on = new Image();
  aboutus_on.src = "images/nav/aboutus2.gif";

  var news_off = new Image();
  news_off.src = "images/nav/news1.gif";
  var news_on = new Image();
  news_on.src = "images/nav/news2.gif";

  var photos_off = new Image();
  photos_off.src = "images/nav/photos1.gif";
  var photos_on = new Image();
  photos_on.src = "images/nav/photos2.gif";

  var prevention_off = new Image();
  prevention_off.src = "images/nav/prevention1.gif";
  var prevention_on = new Image();
  prevention_on.src = "images/nav/prevention2.gif";

  var calendar_off = new Image();
  calendar_off.src = "images/nav/calendar1.gif";
  var calendar_on = new Image();
  calendar_on.src = "images/nav/calendar2.gif";

  var resources_off = new Image();
  resources_off.src = "images/nav/resources1.gif";
  var resources_on = new Image();
  resources_on.src = "images/nav/resources2.gif";

  var join_off = new Image();
  join_off.src = "images/nav/join1.gif";
  var join_on = new Image();
  join_on.src = "images/nav/join2.gif";

  var contactus_off = new Image();
  contactus_off.src = "images/nav/contactus1.gif";
  var contactus_on = new Image();
  contactus_on.src = "images/nav/contactus2.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 -->