/*
Author: Addam M. Driver
Date: 10/31/2006
http://www.reignwaterdesigns.com/ad/tidbits/rateme/
Guzer 2.0
*/

var xmlHttp = null;

function GetXmlHttpObject(){

var xmlHttp = null;

	try {
	  // Firefox, Opera 8.0+, Safari
	  xmlHttp = new XMLHttpRequest();
	  }
	catch (e) {
	  // Internet Explorer
	  try {
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
	  catch (e){
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	  }
	  
	return xmlHttp;

}

xmlHttp = GetXmlHttpObject()


var sMax;	// Isthe maximum number of stars
var holder;	// Is the holding pattern for clicked state
var preSet;	// Is the PreSet value onces a selection has been made
var rated;

// Rollover for image Stars //
function rating(num){
	sMax = 0;	// Isthe maximum number of stars
	for(n=0; n<num.parentNode.childNodes.length; n++){
		if(num.parentNode.childNodes[n].nodeName == "A"){
			sMax++;	
		}
	}
	
	if(!rated){
		s = num.id.replace("_", ''); // Get the selected star
		a = 0;
		for(i=1; i<=sMax; i++){		
			if(i<=s){
				document.getElementById("_"+i).className = "on";
				document.getElementById("rateStatus").innerHTML = num.title;	
				holder = a+1;
				a++;
			}else{
				document.getElementById("_"+i).className = "";
			}
		}
	}
}

// For when you roll out of the the whole thing, which resets it back to 5 grey stars. It needs to show current rating. //
function off(me){
	if(!rated){
		if(!preSet){	
			for(i=1; i<=sMax; i++){		
				document.getElementById("_"+i).className = "";
				document.getElementById("rateStatus").innerHTML = me.parentNode.title;
			}
		}else{
			rating(preSet);
			document.getElementById("rateStatus").innerHTML = document.getElementById("ratingSaved").innerHTML;
		}
	}
}


// When you actually rate something //
function rateIt(rating,ID){
	if(!rated){
		document.getElementById("rateStatus").innerHTML = document.getElementById("ratingSaved").innerHTML;
		preSet = rating;
		rated=1;
		sendRate(rating,ID);
		// rating(rating);

	}
}

// Send the rating information //
function sendRate(rating,ID){

	var url = "/postrating.php";	
	var params = "ID="+ID+"&rating="+rating;
	xmlHttp.open("POST",url,true);
	xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlHttp.setRequestHeader("Content-length", params.length);
	xmlHttp.setRequestHeader("Connection", "close");
	xmlHttp.send(params);

}