/*
Author: Addam M. Driver
Date: 10/31/2006
*/

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 //
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(me){
	if(!rated){
		document.getElementById("rateStatus").innerHTML = document.getElementById("ratingSaved").innerHTML + " :: "+me.title;
		preSet = me;
		rated=1;
		sendRate(me);
		rating(me);
	}
}

// Send the rating information somewhere using Ajax or something like that.
function sendRate(sel){
    var xmlHttpObject = false;
 
    if (typeof XMLHttpRequest != 'undefined') {
	xmlHttpObject = new XMLHttpRequest();
    }
    if (!xmlHttpObject) {
	try {
		xmlHttpObject = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch(e) {
		try {
			xmlHttpObject = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch(e) {
			xmlHttpObject = null;
		}
	}
    }
 
    xmlHttpObject.open('get', 'addrating?vote:int='+sel.id.replace("_", ''), false);  // HIER WICHTIG: das "false " sorgt für den synchronen Request!
    xmlHttpObject.send(null);                      // Request absenden. Hier wird gewartet, bis der Request erfolgreich war.
 
    if (xmlHttpObject.readyState == 4) {        //  Status 4 bedeutet, dass die Abfrage erfolgreich war und das Ergebnis vorliegt
	// alert("HTTP-Request erfolgreich!");  // Das Ergebnis des Requests findet sich in xmlHttpObject.responseText
    } else {
	alert("Bewertung fehlgeschlagen!");
    }

	// alert("Your rating was: "+sel.title);
}