function showStars(which) {
	star = document.getElementById(which);
	if(which.match("20")) {
		star.parentNode.className='Star-20';
	} else if(which.match("40")) {
		star.parentNode.className='Star-40';
	} else if(which.match("60")) {
		star.parentNode.className='Star-60';
	} else if(which.match("80")) {
		star.parentNode.className='Star-80';
	} else if(which.match("100")) {
		star.parentNode.className='Star-100';
	} else {
		star.parentNode.className='Star-0';
	}
}
function handleStars(which) {
	document.getElementById(which).checked = true;
}
function checkStar(whichDiv) {
	star = document.getElementById(whichDiv);
	//radioBtn = document.getElementById(whichRadio);
	radioValue = getCheckedValue(document.forms['vProductReview_form_form_1'].elements['rating']);

	if(radioValue == 20) {
		star.parentNode.className='Star-20';
	} else if(radioValue == 40) {
		star.parentNode.className='Star-40';
	} else if(radioValue == 60) {
		star.parentNode.className='Star-60';
	} else if(radioValue == 80) {
		star.parentNode.className='Star-80';
	} else if(radioValue == 100) {
		star.parentNode.className='Star-100';
	} else {
		star.parentNode.className='Star-0';
	}
}

function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}