var homepage = newImage('assets/images/nav/home.gif');
var homepage_over = newImage('assets/images/nav/home_over.gif');
var about = newImage('assets/images/nav/about.gif');
var about_over = newImage('assets/images/nav/about_over.gif');
var locations = newImage('assets/images/nav/locations.gif');
var locations_over = newImage('assets/images/nav/locations_over.gif');
var capabilities = newImage('assets/images/nav/capabilities.gif');
var capabilities_over = newImage('assets/images/nav/capabilities_over.gif');
var media_room = newImage('assets/images/nav/media_room.gif');
var media_room_over = newImage('assets/images/nav/media_room_over.gif');
var go_button = newImage('assets/images/footer_icon_go.gif');
var go_button_over = newImage('assets/images/footer_icon_go_over.gif');