function slideShow(images){
    left = 0;
    right = 0;
    
    imagesLeft = images[0];
    imagesRight = images[1];

    for (var i=0; i < imagesLeft.length; ++i) {
      img = new Image();
      img.src = imagesLeft[i];
    }
    
    for (var i=0; i < imagesRight.length; ++i) {
      img = new Image();
      img.src = imagesRight[i];
    }
    
    window.setInterval("slide()", 2000);
  }

  function slide(){
    if(left < imagesLeft.length-1)
      ++left;
    else
      left = 0;
    
    if(right < imagesRight.length-1)
      ++right;
    else
      right = 0;
    
    window.document.images['L'].src = imagesLeft[left];
    window.document.images['R'].src = imagesRight[right];
  }
  
  function openWindow(target){
    return openCustomWindow(target, 700, 500);
  }
  
  function openCustomWindow(target, width, height){
    win = window.open(target, "print", "width=" + width + ", height=" + height + ", status=no, scrollbars=yes");
    win.focus();
    return false;
  }