var oldimg;
var loaded = new Array(6);

function preload () {
  if (document.images) {
    imgset = new Array(6);
    imgset[0] = '/images/about_over.gif';
    imgset[1] = '/images/tables_over.gif';
    imgset[2] = '/images/lamps_over.gif';
    imgset[3] = '/images/prices_over.gif';
    imgset[4] = '/images/schedule_over.gif';
    imgset[5] = '/images/related_over.gif';

    for (i = 0; i < imgset.length; i++) {
      loaded[i] = new Image();
      loaded[i].src = imgset[i];
    }

    return true;
  }

  return false;
}

function swap (that, img, txt) {
  if (oldimg) {
    if (img == null) { img = oldimg; }
    oldimg = null;
    window.status = '';
  } else {
    oldimg = that.src;
    if (txt) { window.status = txt; }
  }
  that.src = img;

  return true;
}

function openImage (c) {
  if (c.src) { c = c.src; }
  window.open('/view.php?img=' + c, 'image', 'width=20,height=20,scrollbars=no,status=no,toolbar=no,dependent=yes');
  return false;
}