<!--
// beginning of Javascript script
if (parseInt(navigator.appVersion.substring(0,1))>=3) { // 3.0 or greater.

virtual_on = new Image();
virtual_off = new Image();
map_on = new Image();
map_off = new Image();
history_on = new Image();
history_off = new Image();
life_on = new Image();
life_off = new Image();
wwii_on = new Image();
wwii_off = new Image();
brady_on = new Image();
brady_off = new Image();

virtual_on.src = 'buttons/virtual_on.jpg';
virtual_off.src = 'buttons/virtual_off.jpg';
map_on.src = 'buttons/map_on.jpg';
map_off.src = 'buttons/map_off.jpg';
history_on.src = 'buttons/history_on.jpg';
history_off.src = 'buttons/history_off.jpg';
life_on.src = 'buttons/life_on.jpg';
life_off.src = 'buttons/life_off.jpg';
wwii_on.src = 'buttons/wwii_on.jpg';
wwii_off.src = 'buttons/wwii_off.jpg';
brady_on.src = 'buttons/brady_on.jpg';
brady_off.src = 'buttons/brady_off.jpg';

}
function on(image) {
  if (parseInt(navigator.appVersion.substring(0,1))>=3) { // 3.0 or greater.
      imagesrc = eval(image + '_on.src');
      document[image].src = imagesrc;
  }
}
function off(image) {
  if (parseInt(navigator.appVersion.substring(0,1))>=3) { // 3.0 or greater.
      imagesrc = eval(image + "_off.src");
      document[image].src = imagesrc;
 }
}
// end of script -->