// JavaScript Document

function returnObjById( id ) 
 { 
  if(document.getElementById) 
  var returnVar = document.getElementById(id);
  else if (document.all)
  var returnVar = document.all[id];
  else if (document.layers)
  var returnVar = document.layers[id];
  return returnVar;
 } 

function displayCoverDiv()
{
	returnObjById("loadingcoverdiv").style.display = ""
}

function hideConverDiv()
{
	returnObjById("loadingcoverdiv").style.display = "none"
}

function reloadGroup(parentId, id)
{
	displayCoverDiv()
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
	  alert ("Your browser does not support AJAX");
	  hideConverDiv()
	  return;
	}
	var url="yearPlanner.asp?parent=";
	var nocache = new Date()
	url=url+parentId+"&id="+id+"&"+nocache;
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);

}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4)
	{
		//alert(xmlHttp.responseText);
		var xmlDoc;
		if (window.ActiveXObject)
		{
			xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
			xmlDoc.async="false"
			xmlDoc.loadXML(xmlHttp.responseText)
		}
		// code for Mozilla, Firefox, Opera, etc.
		else if (document.implementation && document.implementation.createDocument)
		{
			var parser=new DOMParser();
			xmlDoc =parser.parseFromString(xmlHttp.responseText,"text/xml");		
		}			
	  

		var previewDiv = returnObjById("previewdiv")
		//previewDiv.innerHTML = "";
		var fieldElements = xmlDoc.getElementsByTagName("field");

		previewDiv.innerHTML = xmlHttp.responseText
		//hideConverDiv()
	}
	/*else
	{
		alert("Sorry, system error. Please try again later")
	}*/
	//alert(xmlHttp.responseText);
}


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;
}