// Script tomado de www.DynamicDrive.com y adaptado por Darío Ferrer

var paginas_cargadas=""
var ruta="http://"+window.location.hostname
function lanzalo(url, containerid){
	var dame_pagina = false
	if (window.XMLHttpRequest)
	dame_pagina = new XMLHttpRequest()
	else if (window.ActiveXObject){
		try {
		dame_pagina = new ActiveXObject("Msxml2.XMLHTTP")
		} 
	catch (e){
		try {
		dame_pagina = new ActiveXObject("Microsoft.XMLHTTP")
			}
		catch (e){}
		}
	}
	else
	return false
	dame_pagina.onreadystatechange=function(){
		loadpage(dame_pagina, containerid)
	}
	dame_pagina.open('GET', url, true)
	dame_pagina.send(null)
	}
function loadpage(dame_pagina, containerid){
	if (dame_pagina.readyState == 4 && (dame_pagina.status==200 || window.location.href.indexOf("http")==-1))
	document.getElementById(containerid).innerHTML=dame_pagina.responseText
}