/*
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;
		preSet = me;
		rated=1;
		sendRate(me);
		rating(me);
	}
}

// Send the rating information somewhere using Ajax or something like that.
function sendRate(sel){
	//alert("Your rating was: "+sel.title);
	url="rating.php?item="+document.getElementById("r_item_id").value+"&rating="+sel.title;
	if (window.XMLHttpRequest) { // Non-IE browsers 
      req = new XMLHttpRequest(); 
      req.onreadystatechange = targetDiv2; 
      try { 
        req.open("GET", url, true); 
      } catch (e) { 
        alert(e); 
      } 
      req.send(null); 
    } else if (window.ActiveXObject) { // IE 
      req = new ActiveXObject("Microsoft.XMLHTTP"); 
      if (req) { 
        req.onreadystatechange = targetDiv2; 
        req.open("GET", url, true); 
        req.send(); 
      } 
    } 
  return false; 
}

function targetDiv2() { 
    if (req.readyState == 4) { // Complete 
          if (req.status == 200) { // OK response 
			document.getElementById("rateStatus").innerHTML = req.responseText;
          } else { 
            alert("Ajax error: " + req.statusText); 
          } 
    } 
}