var aryImages = new Array(8);

  aryImages[0] = "images/products/furnitures/pic01.jpg";
  aryImages[1] = "images/products/furnitures/pic01.jpg";
  aryImages[2] = "images/products/furnitures/pic02.jpg";
  aryImages[3] = "images/products/furnitures/pic03.jpg";
  aryImages[4] = "images/products/furnitures/pic04.jpg";
  aryImages[5] = "images/products/furnitures/pic05.jpg";
  aryImages[6] = "images/products/furnitures/pic06.jpg";
  aryImages[7] = "images/products/furnitures/pic07.jpg";
  aryImages[8] = "images/products/furnitures/pic08.jpg";
  aryImages[9] = "images/products/furnitures/pic09.jpg";
  aryImages[10] = "images/products/furnitures/pic10.jpg";
  aryImages[11] = "images/products/furnitures/pic11.jpg";
  aryImages[12] = "images/products/furnitures/pic12.jpg";
  aryImages[13] = "images/products/furnitures/pic13.jpg";


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

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