// JavaScript Document
var xmlHttp
var GID
var change

function changeGreetingRate(id,value)					
{ 
	xmlHttp = GetXmlHttpObject();
	if (xmlHttp == null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
	  } 
	
	GID = id
	change = value
	if (change == "break") exit;

	var url="ajax/ratingChange.asp"
	url = url + "?GID=" + id + "&change=" + value;
	xmlHttp.onreadystatechange = stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function stateChanged() 
{ 	
	if (xmlHttp.readyState == 4){ 		
		if (xmlHttp.status == 200){ 		
			document.getElementById("message" + GID).innerHTML = xmlHttp.responseText;
			if (change == "give"){
				document.getElementById("giveOne" + GID).className = "giveOneOn";			
			}else{
				document.getElementById("takeOne" + GID).className = "takeOneOn";			
			}
		}
	}
}

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;
}