var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadstatustext="<table border='0' class='contcargando'><tr><td valign='middle'><img src='imgs/cargando.gif' /></td><td valign='middle'> cargando contenido, aguarde un momento...</td></tr></table>"

////NO NEED TO EDIT BELOW////////////////////////
var loadedobjects=""
var defaultcontentarray=new Object()
var bustcacheparameter=""

function ajaxpage(url, containerid, targetobj){
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
var ullist=targetobj.parentNode.parentNode.getElementsByTagName("li")
for (var i=0; i<ullist.length; i++)
ullist[i].className=""  //deselect all tabs
targetobj.parentNode.className="selected"  //highlight currently clicked on tab
if (url.indexOf("#default")!=-1){ //if simply show default content within container (verus fetch it via ajax)
document.getElementById(containerid).innerHTML=defaultcontentarray[containerid]
return
}
document.getElementById(containerid).innerHTML=loadstatustext
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)
}
var txt=""
var txt2=""

function loadpage(page_request, containerid){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
document.getElementById(containerid).innerHTML=unescape(page_request.responseText.replace(/\+/gi," "))
}

function loadobjs(revattribute){
if (revattribute!=null && revattribute!=""){ //if "rev" attribute is defined (load external .js or .css files)
var objectlist=revattribute.split(/\s*,\s*/) //split the files and store as array
for (var i=0; i<objectlist.length; i++){
var file=objectlist[i]
var fileref=""
if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
if (file.indexOf(".js")!=-1){ //If object is a js file
fileref=document.createElement('script')
fileref.setAttribute("type","text/javascript");
fileref.setAttribute("src", file);
}
else if (file.indexOf(".css")!=-1){ //If object is a css file
fileref=document.createElement("link")
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", file);
}
}
if (fileref!=""){
document.getElementsByTagName("head").item(0).appendChild(fileref)
loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}
}

function savedefaultcontent(contentid){// save default ajax tab content
if (typeof defaultcontentarray[contentid]=="undefined") //if default content hasn't already been saved
defaultcontentarray[contentid]=document.getElementById(contentid).innerHTML
}

function startajaxtabs(){
for (var i=0; i<arguments.length; i++){ //loop through passed UL ids
var ulobj=document.getElementById(arguments[i])
var ulist=ulobj.getElementsByTagName("li") //array containing the LI elements within UL
for (var x=0; x<ulist.length; x++){ //loop through each LI element
var ulistlink=ulist[x].getElementsByTagName("a")[0]
if (ulistlink.getAttribute("rel")){
var modifiedurl=ulistlink.getAttribute("href").replace(/^http:\/\/[^\/]+\//i, "http://"+window.location.hostname+"/")
ulistlink.setAttribute("href", modifiedurl) //replace URL's root domain with dynamic root domain, for ajax security sake
savedefaultcontent(ulistlink.getAttribute("rel")) //save default ajax tab content
ulistlink.onclick=function(){
ajaxpage(this.getAttribute("href"), this.getAttribute("rel"), this)
loadobjs(this.getAttribute("rev"))
return false
}
if (ulist[x].className=="selected"){
ajaxpage(ulistlink.getAttribute("href"), ulistlink.getAttribute("rel"), ulistlink) //auto load currenly selected tab content
loadobjs(ulistlink.getAttribute("rev")) //auto load any accompanying .js and .css files
}
}
}
}
}

//	Vamos a presuponer que el usuario es una persona inteligente...
var isIE = false;

//	Creamos una variable para el objeto XMLHttpRequest
var req;

//	Creamos una funcion para cargar los datos en nuestro objeto.
//	Logicamente, antes tenemos que crear el objeto.
//	Vease que la sintaxis varia dependiendo de si usamos un navegador decente
//	o Internet Explorer
function cargaXML(url) {
	//	Primero vamos a ver si la URL es una URL :)
	if(url==''){
		return;
	}
	//	Usuario inteligente...
	if (window.XMLHttpRequest) {
		req = new XMLHttpRequest();
		req.onreadystatechange = processReqChange;
		req.open("GET", url, true);
		req.send(null);
	//	...y usuario de Internet Explorer Windows
	} else if (window.ActiveXObject) {
		isIE = true;
		req = new ActiveXObject("Microsoft.XMLHTTP");
		if (req) {
			req.onreadystatechange = processReqChange;
			req.open("GET", url, true);
			req.send();
		}
	}
}

//	Funcion que se llama cada vez que se dispara el evento onreadystatechange
//	del objeto XMLHttpRequest
function processReqChange(){
	var detalles = document.getElementById("ajaxcontentarea");
	if(req.readyState == 4){
		detalles.innerHTML = '';
		detalles.innerHTML = req.responseText;
	} else {
		detalles.innerHTML = "<table border='0' class='contcargando'><tr><td valign='middle'><img src='imgs/cargando.gif' /></td><td valign='middle'> cargando contenido, aguarde un momento...</td></tr></table>";
	}
}