function nuevoAjax(){
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 MostrarPassatgers(lang){
	// alert(lang);
	var num = document.getElementById('passat').selectedIndex+1;
	var url = "passatger.php?&num="+num+'&lang='+lang;
	// alert (url);
	var contenedor = document.getElementById('contenedor');
	ajax=nuevoAjax();
	ajax.open("GET", url, true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			contenedor.innerHTML = ajax.responseText
		}
	}
	ajax.send(null)
}

function tpvhidden(){
	vent = window.open('','tpv','width=725,height=600,scrollbars=no,resizable=yes,status=yes,menubar=no,location=no');
	var contenedor = document.getElementById('tpv');
	ajax=nuevoAjax();
	ajax.open("GET", "test-tpv.php",true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			contenedor.innerHTML = ajax.responseText;
			document.forms[0].submit();
		}
	}
	ajax.send(null);


}