function preload() {
  var assets = ['blue-trans.png','white-trans.png','captions-off.png'];
  // Don't preload backgrounds if it's the mobile version
  if( $('html').css('background-image') != 'none' ) {
    assets = assets.concat(['backgrounds/sand.jpg','backgrounds/fence.jpg', 'backgrounds/rock.jpg', 'backgrounds/airplane.jpg', 'backgrounds/office.jpg']);
  }

  for( var i = 0 ; i < assets.length ; i++ ) {
    assets[i] = templateDir + "/images/" + assets[i];
  }

  $.imgpreload(assets, function() {
    $(function() {
      $('#main').show();
      $('#page-background').show();
      $('#loading').hide();
    });
  });
}