function crearAjax(){
	var xmlhttp = false;
	try {
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		try {
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) {
			xmlhttp = false;
		}
	}
			
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
		xmlhttp = new XMLHttpRequest();
	}	
	return xmlhttp;
}

function Paginar(id_capa, url){
	var capa = document.getElementById(id_capa);
	var ajax = crearAjax();
	
	ajax.open('GET', url, true);
	ajax.onreadystatechange = function(){
		if (ajax.readyState == 4) capa.innerHTML = ajax.responseText;
		else capa.innerHTML = "<img src='http://www.canalrgz.com/series/css/images/loading.gif' width='16px' height='16px' alt='Cargando...' />";
	}

	ajax.setRequestHeader("Content-Type", "application/w-xx-form-urlencoded");
	ajax.send(null);
		  		 		  
	return;
}