var images_array = new Array();

function preload_images() {
  var images = [
    'banner',
    'banner_background',
    'blank',
    'equipment',
    'era',
    'footer',
    'h1_background',
    'head_arrow',
    'head_find',
    'head_space_1',
    'head_space_2',
    'head_space_3',
    'head_space_4',
    'head_subtitle',
    'menu_back',
    'submenu_back'
    ];
  for(var i = 0; i < images.length; i++) {
    images_array[i] = new Image();
    images_array[i].src = 'default/images/' + images[i] + '.png';
  }
}

preload_images();