var ratingdenominator=10
var onstarimage='images/rateyellow.gif'
var halfstarimage='images/yellowhalf.gif'
var offstarimage='images/rategrey.gif'

function formatscore(num, d){ //remove any leading 0s and format number to be of specified denominator
var d=(typeof d=="undefined" || d<=0)? 100 : d
var formatted=parseInt(num.toString().replace(/^0+/, "")) //remove any leading 00s and trailing "%" signs
formatted=(formatted>0)? Math.round(formatted*d/100*10)/10 : 0 //round score/d to 1 decimal places
return formatted //return score
}

function rateit(id, votes, avgscore){
this.id=id
this.totalvotes=(votes=="")? 0 : votes
this.avgscore=avgscore*10
}

rateit.prototype.displaytext=function(tester){
var formatavgscore=formatscore(this.avgscore, ratingdenominator) //Format avgscore from percentage to designated unit
if (tester=="inclusion") //if function being invoked as part of displayrating() or votes>0
document.write('&nbsp;&nbsp;<span class="scoreinfo"><b>'+formatavgscore+'/<sub>'+ratingdenominator+'</sub></b><!-- from <b>'+this.totalvotes+'</b> votes  --></span><br /><div class="tipmessage"></div>')
else if (parseInt(tester)>0) //more than 1 vote
document.write('<span class="scoreinfoalt" title="out of 10. Total votes: '+this.totalvotes+'"><b>'+formatavgscore+'</b></span>')
}

rateit.prototype.displayrating=function(){
document.write('<div class="starcontainer" id="ratecontainer'+this.id+'" rel="'+this.totalvotes+'">') //store total votes in "rel" attr
var formatavgscore=formatscore(this.avgscore, ratingdenominator) //Format avgscore from percentage to designated unit
var halfstarcheck=(formatavgscore-Math.floor(formatavgscore))>=0.5? 1 : 0
document.write('')
for (var i=1; i<ratingdenominator+1; i++){
if (formatavgscore>=i) //display star?
document.write('<img id="'+i+'::on" src="'+onstarimage+'" class="starclass" title="Rate this item '+i+' out of '+ratingdenominator+'" />')
else if (Math.floor(formatavgscore)+1==i && halfstarcheck)
document.write('<img id="'+i+'::half" src="'+halfstarimage+'" class="starclass" title="Rate this item '+i+' out of '+ratingdenominator+'" />')
else
document.write('<img id="'+i+'::off" src="'+offstarimage+'" class="starclass" title="Rate this item '+i+' out of '+ratingdenominator+'" />')
} //end loop
this.displaytext("inclusion")
document.write('</div>')

//new function(){instanceOfTicker.countrating()}
var instanceOfTicker=this
document.getElementById("ratecontainer"+this.id).onmouseover=rateit.selectrating
document.getElementById("ratecontainer"+this.id).onmouseout=rateit.selectrating
document.getElementById("ratecontainer"+this.id).onclick=rateit.countrating
}

rateit.selectrating=function(e){
var evtobj=window.event? window.event: e
var evttarget=window.event? window.event.srcElement : e.target
var ratingimages=this.getElementsByTagName("img")
if (evttarget.tagName=="IMG"){
this.getElementsByTagName("div")[0].style.visibility=(evtobj.type=="mouseover")? "visible" : "hidden"
//this.getElementsByTagName("div")[0].innerHTML=(evtobj.type=="mouseover")? evttarget.getAttribute("title") : ""
for (var i=1; i<ratingdenominator+1; i++){
if (evtobj.type=="mouseover")
ratingimages[i-1].src=(parseInt(ratingimages[i-1].id)<=parseInt(evttarget.id))? onstarimage : offstarimage
else if (evtobj.type=="mouseout")
ratingimages[i-1].src=(ratingimages[i-1].id.indexOf("on")!=-1)? onstarimage : (ratingimages[i-1].id.indexOf("half")!=-1)? halfstarimage : offstarimage
}
}
}

rateit.confirmrating=function(e){
var evttarget=window.event? window.event.srcElement : e.target
}
function createAjaxObj(){
var httprequest=false
if (window.XMLHttpRequest){ // if Mozilla, Safari etc
httprequest=new XMLHttpRequest()
if (httprequest.overrideMimeType)
httprequest.overrideMimeType('text/xml')
}
else if (window.ActiveXObject){ // if IE
try {
httprequest=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e){
try{
httprequest=new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e){}
}
}
return httprequest
}

rateit.countrating=function(e){ //function to count/update rating onClick
var evttarget=window.event? window.event.srcElement : e.target
if (evttarget.tagName.toUpperCase()=="IMG"){
var rateitemid=parseInt(this.id.replace("ratecontainer", "")) //actual ID of rated item
//coding done by manoj
if(rateitemid==-1){
alert('You can not rate yourself.');	
return false;
}
//end coding
if(!rateitemid){
alert('Please login to rate this Provider.');	
return false;
}
var score=parseInt(evttarget.getAttribute("id"))/ratingdenominator
score=Math.round(score*100) //Unit is percentage (ie: 60%)
var ajaxobj=createAjaxObj()
if (ajaxobj){
var parameters="id="+rateitemid+"&rating="+score
ajaxobj.onreadystatechange=function(){rateit.updaterating(ajaxobj, rateitemid, score)}
ajaxobj.open('GET', ratingscripturl+"?"+parameters, true)
ajaxobj.send(null)
}
}
}
rateit.updaterating=function(ajaxinstance, itemid, score){ //function to count/update rating onClick
var ratecontainer=document.getElementById("ratecontainer"+itemid)
var ratingimages=ratecontainer.getElementsByTagName("img")
ratecontainer.onmouseover=null
ratecontainer.onmouseout=null
ratecontainer.onclick=null
if (ajaxinstance.readyState == 4){ //if request of file completed
	if (ajaxinstance.status==200){

			var xmldata=ajaxinstance.responseXML
			/*if (xmldata.getElementsByTagName("latestscore").length==0){ //if error getting latest avgscore
			//alert (ajaxinstance.responseText);
			return
			}*/
			var recieved= ajaxinstance.responseText;

			var data =recieved.split("^");
			var totalvotes=data[0];
			var avgscore=data[1];
			var votedcheck=data[2];
			avgscore=formatscore(avgscore, ratingdenominator) //format score from "098%" to score/ratingdenominator
			//alert (avgscore);
			var halfstarcheck=(avgscore-Math.floor(avgscore))>=0.5? 1 : 0
			for (var i=1; i<ratingdenominator+1; i++){
			ratingimages[i-1].src=(avgscore>=i)? onstarimage : (Math.floor(avgscore)+1==i && halfstarcheck)? halfstarimage : offstarimage
			ratingimages[i-1].className=""
			}
			if (votedcheck=="yes")
				{
					alert("Vote not recorded, as you have voted already!")
				} else {
					ratecontainer.removeChild(ratecontainer.getElementsByTagName("div")[0]) //remove tip message div
					alert("Thank you for evaluating your massage provider. Your feedback is much appreciated.");
				}
		}
	}
}