var req;

function processReqChange() {
  if (req.readyState == 4) {
    if (req.status == 200) {
  	  document.getElementById("bookings").innerHTML = req.responseText;
    } else {
      alert("Se ha producido un error al intentar realizar el envio.\nIntentelo de nuevo mas tarde.\n");
    }
  }
}

function get_bookings() {
	
  url = "/auxiliar/reservas_online.php";

  if (window.XMLHttpRequest) {
    req = new XMLHttpRequest();
    req.onreadystatechange = processReqChange;
    req.open("GET", url, true);
    req.send(null);
		
  } else if (window.ActiveXObject) {
    req = new ActiveXObject("Microsoft.XMLHTTP");
    if (req) {
			req.onreadystatechange = processReqChange;
			req.open("GET", url, true);
			req.send();
    }
  }

}