var browser = false;
function swap(img1, img2)
{
  if (browser)
  {
    document.images[img1].src = eval(img2 + ".src");
  }
}
function loadImg()
{
  bg_img = new Array(15);
  logo_img = new Array(15);
  logo_dim = new Array(15);
  for(i = 0; i < 15; i++)
  {
    bg_img[i] = new Image;
  }
  var PickOne=Math.floor(Math.random()*12);
  bg_img[0].src = "images/cessna.jpg";
  bg_img[1].src = "images/jaguar.jpg";
  bg_img[2].src = "images/kawasaki.jpg";
}
if (document.images) browser = true;
if (browser) loadImg();
var Era=Math.floor(Math.random()*3);