function stars_on(count) {
  var i = 1;
  for (i = 1; i <= count + 1; i++) {
    if (i == 1) document.star1.src = "http://library.risingshadow.net/images/stars/star.gif";
    if (i == 2) document.star2.src = "http://library.risingshadow.net/images/stars/star.gif";
    if (i == 3) document.star3.src = "http://library.risingshadow.net/images/stars/star.gif";
    if (i == 4) document.star4.src = "http://library.risingshadow.net/images/stars/star.gif";
    if (i == 5) document.star5.src = "http://library.risingshadow.net/images/stars/star.gif";
  }
  for (i = count + 1; i <= 5; i++) {
    if (i == 1) document.star1.src = "http://library.risingshadow.net/images/stars/star_blank.gif";
    if (i == 2) document.star2.src = "http://library.risingshadow.net/images/stars/star_blank.gif";
    if (i == 3) document.star3.src = "http://library.risingshadow.net/images/stars/star_blank.gif";
    if (i == 4) document.star4.src = "http://library.risingshadow.net/images/stars/star_blank.gif";
    if (i == 5) document.star5.src = "http://library.risingshadow.net/images/stars/star_blank.gif";
  }
}

function toggle_visibility(id) {
	var e = document.getElementById(id);
	if(e.style.display == 'none')
		e.style.display = 'block';
	else
		e.style.display = 'none';
}