function tnbh(obj) {
  // tnbh Top Nav Button Hover
  obj.parentNode.style.backgroundColor = '#b5b5b5';
  return true;
}
function tnbo(obj) {
  // tnbo Top Nav Button Out
  obj.parentNode.style.backgroundColor = '#636363';
  return true;
}
function reviewRatingShowValue(rating) {
	starObj = YAHOO.util.Dom.get('ratingIn');
	starObj.style.width = Math.ceil(rating*20)+'px';
}
function reviewRatingSetValue(rating) {
	ratingObj = YAHOO.util.Dom.get('rating_overall');
	ratingObj.value = rating;
	reviewRatingShowValue(rating);
}
function reviewRatingResetValue() {
	ratingObj = YAHOO.util.Dom.get('rating_overall');
	reviewRatingShowValue(ratingObj.value);
}
function reviewRatingOnLoad() {
	ratingObj = YAHOO.util.Dom.get('rating_overall');
	reviewRatingShowValue(ratingObj.value);
}
function httExpand(num) {
	YAHOO.util.Dom.get('httl'+num).style.display = 'none';
	YAHOO.util.Dom.get('httb'+num).style.display = 'inline';
}