// Swap Images for web page
var MainImages = new Array(1);
  MainImages[0] = "images/oat_web.jpg";
  MainImages[1] = "images/lf_web.jpg";
  MainImages[2] = "images/etoile_web.jpg";
  MainImages[3] = "images/etalon_web.jpg";
  MainImages[4] = "images/as_web.jpg";
  MainImages[5] = "images/canvas_web.jpg";
  MainImages[6] = "images/bba_web.jpg";
  MainImages[7] = "images/shirman_web.jpg";

for (i=0; i < MainImages.length; i++) {
    var preload = new Image();
    preload.src = MainImages[i];
  }

  function swap(imgIndex) {
    document['imgMain'].src = MainImages[imgIndex];
  }