// JavaScript Document

/*
interface XMLHttpRequest {
  // event handler
  attribute EventListener onreadystatechange;
  // state
  const unsigned short UNSENT = 0;
  const unsigned short OPENED = 1;
  const unsigned short HEADERS_RECEIVED = 2;
  const unsigned short LOADING = 3;
  const unsigned short DONE = 4;
  readonly attribute unsigned short readyState;
  // request
  void open(in DOMString method, in DOMString url);
  void open(in DOMString method, in DOMString url, in boolean async);
  void open(in DOMString method, in DOMString url, in boolean async, in DOMString user);
  void open(in DOMString method, in DOMString url, in boolean async, in DOMString user, in DOMString password);
  void setRequestHeader(in DOMString header, in DOMString value);
  void send();
  void send(in DOMString data);
  void send(in Document data);
  void abort();
  // response
  DOMString getAllResponseHeaders();
  DOMString getResponseHeader(in DOMString header);
  readonly attribute DOMString responseText;
  readonly attribute Document responseXML;
  readonly attribute unsigned short status;
  readonly attribute DOMString statusText;
};
*/
//--------------------------------------------------------------------
function createAjaxObj() {
	if (window.XMLHttpRequest) { // Non-IE browsers
		return new XMLHttpRequest();
	}
	if (window.ActiveXObject) { // IE
		req = new ActiveXObject("Microsoft.XMLHTTP");
		return req;
	}
	return null;
}
//--------------------------------------------------------------------
function loadRemoteXml(url, func, id, placehold){
	var el = document.getElementById(id);
	if(!el) return false;
	if(placehold && placehold.length) el.innerHTML = placehold;
	var xmlhttp = createAjaxObj();
	if(!xmlhttp) return false;
	xmlhttp.onreadystatechange = function() { 
		if ((xmlhttp.readyState==4) && (xmlhttp.status==200)){
			func(xmlhttp, id);
		}
	}
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
	return true;
}
//--------------------------------------------------------------------
function writeXmlResponse(req, id) {
	var el = document.getElementById(id);
	if(!el) return false;
    el.innerHTML = req.responseText;
	return true;
}
//--------------------------------------------------------------------
function ajaxLoad(ajaxURL, callbackFunction, passBacks, httpVerb, httpPost){
	if((typeof(httpPost) == 'undefined') || !httpPost.length()) httpPost = null;
	if((typeof(httpVerb) == 'undefined') || (!httpVerb.match('^(GET|POST|HEAD)$'))) httpVerb = 'GET';
	var xmlHttp = createAjaxObj();
	if(!xmlHttp){ callbackFunction(null, 0, passBacks); return false; }
	xmlHttp.onreadystatechange = function() { 
		if (xmlHttp.readyState==4){
			try{
				callbackFunction(xmlHttp, xmlHttp.status, passBacks);
			}
			catch(e) { return false; }
		}
		return true;
	}
	xmlHttp.open(httpVerb,ajaxURL,true);
	xmlHttp.send(httpPost);
	return xmlHttp;
}
//--------------------------------------------------------------------