// Manejador Ajax
/*
 * URL: Url que cargaremos
 * idPanel: id del contendor (div, span, ...)
*/
function ajaxRequest(url, idPanel){
	var httpRequest = false
	if (window.XMLHttpRequest)
	{
		// Mozilla, Safari etc
		httpRequest = new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{ 
		//  si es IE
		try
		{
			httpRequest = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e)
		{ // en caso que sea una versión antigua
			try
			{
			httpRequest = new ActiveXObject("Microsoft.XMLHTTP")
			}
			catch (e){}
		}
	}
	else
		return false
	
	httpRequest.onreadystatechange=function()
	{
		// función de retrollamada
		urlLoaded(httpRequest, idPanel)
	}
	
	httpRequest.open('GET', url, true)
	httpRequest.send(null)
}

/*
 * httpRequest: Objeto XMLHTTPRequest
 * idPanel: Contenedor
*/
function urlLoaded(httpRequest, idPanel){
	if (httpRequest.readyState == 4 && (httpRequest.status==200 || window.location.href.indexOf("http")==-1))
		document.getElementById(idPanel).innerHTML=httpRequest.responseText
}