(function($) {
  var cache = [];
  // Arguments are image paths relative to the current page.
  $.preLoadImages = function() {
    var args_len = arguments.length;
    for (var i = args_len; i--;) {
      var cacheImage = document.createElement('img');
      cacheImage.src = arguments[i];
      cache.push(cacheImage);
    }
  }
})(jQuery)

jQuery.preLoadImages("images/become_a_bike_instructor.png", "images/become_a_fleet_trainer.png", "images/become_an_ordit_trainer.png", "images/driving_instructor_accountants_rollover.png", "images/driving_instructor_products_rollover.png", "images/dual_controls_rollover.png", "images/find_a_trainer_rollover.png", "images/instructor_car_hire_rollover.png", "images/learner_products_rollover.png", "images/own_a_drivers_franchise_rollover.png", "images/specialist_insurance_rollover.png", "images/top-links-li_bg_hover.png", "images/adi_magazine_articles_rollover.png");