// JavaScript Document
/*************************************************************************
*	@ AJAX
*	@ author ??
*	@ modified by B , 10/01/2008
*	@ mash_figaro@hotmail.com
**************************************************************************/

var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var rootdomain="http://"+window.location.hostname
var bustcacheparameter=""

function ajaxpage(url, containerid){
	var page_request = false
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else if (window.ActiveXObject){ // if IE
		try {
			page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 	catch (e){
			try{
				page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}catch (e){}
		}
	}else
		return false
		page_request.onreadystatechange=function(){
			loadpage(page_request, containerid)
	}
	if (bustcachevar) //if bust caching of external page
		bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
		page_request.open('GET', url+bustcacheparameter, true)
		page_request.send(null)
}
function isDefined(a) {
	  return typeof a == 'undefined';
}

function loadpage(page_request, containerid){
	if (isDefined(loadingtext)) { var loadingtext="Loading...";}
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){
		document.getElementById(containerid).innerHTML=page_request.responseText;
	}else{
		document.getElementById(containerid).innerHTML="<im" + "g src=\"http://www.fargotravel.com/images/loading.gif\" alt=\""+loadingtext+"\"><br><blink><b>"+loadingtext+"</b></blink>";
	}
}
function ajaxpost(url, containerid,pForm){
	var page_request = false
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else if (window.ActiveXObject){ // if IE
		try {
			page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 	catch (e){
			try{
				page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}catch (e){}
		}
	}else
		return false
	
	page_request.onreadystatechange=function(){
			loadpage(page_request, containerid)
	}
	if (bustcachevar) //if bust caching of external page
		bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
		
	var pBody = getRequestBody(pForm); 
	page_request.open('POST', url+bustcacheparameter, true);
	page_request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	
	page_request.send(pBody)
}

function getRequestBody(pForm) {
	var nParams = new Array();
	
	for (var i=0 ; i < pForm.elements.length; i++) {
		var pParam = encodeURIComponent(pForm.elements[i].name);
		pParam += "=";
		pParam += encodeURIComponent(pForm.elements[i].value);
		nParams.push(pParam);
	} 
	
	return nParams.join("&");        
}