function mouseOverStars(num)
{
  for (var k = 1; k <= 5; k++)
  {
    if (k > num)
      $('rating_star_'+k).src = '/images/rating_star_blank.gif';
    else
      $('rating_star_'+k).src = '/images/rating_star_yellow.gif';
  }
}


function mouseOutStars(rating)
{
  for (var k = 1; k <= 5; k++)
  {
    if (k > rating)
      $('rating_star_'+k).src = '/images/rating_star_blank.gif';
    else
      $('rating_star_'+k).src = '/images/rating_star_red.gif';
  }
}