function removeClass(element,_class){
var upperClass=_class.toUpperCase();
var remainingClasses=[];
if(element.className){
var classes=element.className.split(' ');
for(var i=0;i<classes.length;i++){
if(classes[i].toUpperCase()!=upperClass){
remainingClasses[remainingClasses.length]=classes[i];
}
}
element.className=remainingClasses.join(' ');
}
}

function toggleClass(element,className){
var e=ref(element);
if(!e)return;
if(hasClass(e,className)){
removeClass(e,className);
}else{
addClass(e,className);
}
}
function hasClass(element,_className){
if(!element){
return;
}
var upperClass=_className.toUpperCase();
if(element.className){
var classes=element.className.split(' ');
for(var i=0;i<classes.length;i++){
if(classes[i].toUpperCase()==upperClass){
return true;
}
}
}
return false;
}

function addClass(element,_class){
if(!hasClass(element,_class)){
element.className+=element.className?(" "+_class):_class;
}
}

var onLoadFunctionList = onLoadFunctionList || [];
var UT_RATING_IMG='icn_star_full_19x20';
//var UT_RATING_IMG_HOVER='images/star_hover-vfl2056.gif';
var UT_RATING_IMG_HALF='icn_star_half_19x20';
var UT_RATING_IMG_BG='icn_star_empty_19x20';
//var UT_RATING_IMG_REMOVED='images/star_removed-vfl2028.gif';
function UTRating(ratingElementId,maxStars,objectName,formName,ratingMessageId,componentSuffix,size,messages,starCount,callback)
{
this.ratingElementId=ratingElementId;
this.maxStars=maxStars;
this.objectName=objectName;
this.formName=formName;
this.ratingMessageId=ratingMessageId
this.componentSuffix=componentSuffix
this.messages=messages;
this.callback=callback;
this.starTimer=null;
this.starCount=0;
if(starCount){
this.starCount=starCount;
var that=this;
//onLoadFunctionList.push(function(){that.drawStars(that.starCount,true);});
//that.drawStars(that.starCount,true);
}
if(size=='S'){
UT_RATING_IMG='icn_star_full_11x11'
UT_RATING_IMG_HALF='icn_star_half_11x11'
UT_RATING_IMG_BG='icn_star_empty_11x11'
}
function showStars(starNum,skipMessageUpdate){
this.clearStarTimer();
this.greyStars();
this.colorStars(starNum);
if(!skipMessageUpdate)
this.setMessage(starNum,messages);
}
function setMessage(starNum){
if(starNum>0){
if(!this.savedMessage){
this.savedMessage=document.getElementById(this.ratingMessageId).innerHTML;
}
document.getElementById(this.ratingMessageId).innerHTML=this.messages[starNum-1];
}else if(this.savedMessage){
document.getElementById(this.ratingMessageId).innerHTML=this.savedMessage;
}
}
function colorStars(starNum){
var fullStars=Math.floor(starNum+0.25);
var halfStar=(starNum-fullStars>0.25);
for(var i=0;i<fullStars;i++){
removeClass(document.getElementById(this.formName+'_'+this.componentSuffix+"_"+(i+1)),UT_RATING_IMG_HALF);
removeClass(document.getElementById(this.formName+'_'+this.componentSuffix+"_"+(i+1)),UT_RATING_IMG_BG);
addClass(document.getElementById(this.formName+'_'+this.componentSuffix+"_"+(i+1)),UT_RATING_IMG);
}
if(halfStar){
removeClass(document.getElementById(this.formName+'_'+this.componentSuffix+"_"+(i+1)),UT_RATING_IMG);
removeClass(document.getElementById(this.formName+'_'+this.componentSuffix+"_"+(i+1)),UT_RATING_IMG_BG);
addClass(document.getElementById(this.formName+'_'+this.componentSuffix+"_"+(i+1)),UT_RATING_IMG_HALF);
}
}
function greyStars(){
for(var i=0;i<this.maxStars;i++){
removeClass(document.getElementById(this.formName+'_'+this.componentSuffix+"_"+(i+1)),UT_RATING_IMG);
removeClass(document.getElementById(this.formName+'_'+this.componentSuffix+"_"+(i+1)),UT_RATING_IMG_HALF);
addClass(document.getElementById(this.formName+'_'+this.componentSuffix+"_"+(i+1)),UT_RATING_IMG_BG);
}
}
function setStars(starNum){
this.starCount=starNum;
this.drawStars(starNum);
document.forms[this.formName]['rating'].value=this.starCount;
var ratingElementId=this.ratingElementId;
that=this;

}
function drawStars(starNum,skipMessageUpdate){
this.starCount=starNum;
this.showStars(starNum,skipMessageUpdate);
}
function clearStars(){
this.starTimer=window.setTimeout(this.objectName+".resetStars()",300);
}
function resetStars(){
this.clearStarTimer();
if(this.starCount)
this.drawStars(this.starCount);
else
this.greyStars();
this.setMessage(0);
}
function clearStarTimer(){
if(this.starTimer){
window.clearTimeout(this.starTimer);
this.starTimer=null;
}
}
this.clearStars=clearStars;
this.clearStarTimer=clearStarTimer;
this.greyStars=greyStars;
this.colorStars=colorStars;
this.resetStars=resetStars;
this.setStars=setStars;
this.drawStars=drawStars;
this.showStars=showStars;
this.setMessage=setMessage;
}