function highlightRating(rating, imageUrl)
{
	var images = document.getElementById('rating-form').getElementsByTagName('img');
	for (i = 0; i < images.length; i++) {
		if (i < rating) {
			images[i].src = imageUrl + '/rating-active-' + (i + 1) + '.gif';
		} else {
			images[i].src = imageUrl + '/rating-' + (i + 1) + '.gif';
		}
	}
}
	
function clearRating(imageUrl)
{
	var images = document.getElementById('rating-form').getElementsByTagName('img');
	for (i = 0; i < images.length; i++) {
		images[i].src = imageUrl + '/rating-' + (i + 1) + '.gif';
	}
}

function submitRating(rating)
{
	document.getElementById('rating-' + rating).checked = true;
	document.getElementById('rating-form').submit();
}