var req;

function processReqChange() {
  if (req.readyState == 4) {
    if (req.status == 200) {
			arr_data=req.responseText.split("|");
      if (arr_data[0]==0) {
        window.open(arr_data[1]);
      } else {
    	  document.getElementById("error").innerHTML=arr_data[1];
      }
    } else {
      alert("Se ha producido un error al intentar realizar el envio.\nIntentelo de nuevo mas tarde.\n");
    }
  }
}

function get_data() {
	login = document.getElementById("login").value;
	clave = document.getElementById("clave").value;
	vCred = document.getElementById("vCred").value;
	url="acceso_orbis_hoteles.php3?login=" + login + "&clave=" + clave + "&vCred=" + vCred;

  if (window.XMLHttpRequest) {
    req = new XMLHttpRequest();
    req.onreadystatechange = processReqChange;
    req.open("GET", url, true);
    req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    req.send(); 		
		
  } else if (window.ActiveXObject) {
    req = new ActiveXObject("Microsoft.XMLHTTP");
    if (req) {
      req.onreadystatechange = processReqChange;
      req.open("GET", url, true);
       req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
       req.send(); 			
    }
  }
}