var sArray=new Object;
sArray[0]=new Image;
sArray[0].src="../images/star/icon_star_1.gif";
for(var i=1;i<6;i++){
sArray[i]=new Image();
sArray[i].src="../images/star/icon_star_2.gif";}
var starTimer;
var pro;
var rate;
function initStar(){
try{
setProfix("star_");
setStars(document.getElementById("rating").value,'rating');}catch(e){}}
function showStars(starNum,rate){
try{
clearStarTimer();
greyStars();
colorStars(starNum);}catch(e){}}
function setProfix(profix){
pro=profix;}
function colorStars(starNum){
try{
for(var i=1;i<=starNum;i++){
var tmpStar=document.getElementById(pro+i);
tmpStar.src=sArray[starNum].src;}}catch(e){}}
function greyStars(){
try{
for(var i=1;i<6;i++){
var tmpStar=document.getElementById(pro+i);
tmpStar.src=sArray[0].src;}}catch(e){}}
function greyAll(curpro,currate){
try{
document.getElementById(currate).value="";
for(var i=1;i<6;i++){
var tmpStar=document.getElementById(curpro+i);
tmpStar.src=sArray[0].src;}}catch(e){}}
function setStars(starNum,rate){
rate=rate;
try{
clearStarTimer();
var rating=document.getElementById(rate);
rating.value=starNum;
showStars(starNum);}catch(e){}}
function clearStars(currate){
rate=currate;
try{
var rating=document.getElementById(rate);
if(rating.value!=''){
setStars(rating.value,rate);}else{
greyStars();}}catch(e){}}
function resetStars(){
try{
clearStarTimer();
var rating=document.getElementById(rate);
if(rating.value!=''){
setStars(rating.value,rate);}else{
greyStars();}}catch(e){}}
function clearStarTimer(){
if(starTimer){
clearTimeout(starTimer);
starTimer=null;}}