// JavaScript Document

var xmlHttp

function submitForm()
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Please upgrade your web browser to latest Internet Explorer or Firefox.");
  return;
  } 
var url="getCountryCity.asp";
url=url+"?d="+document.getElementById("DepartureCity").value+"&c="+document.getElementById("ArrivalCity").value;
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged() 
{ 
document.getElementById("txtResults").innerHTML = "<table width='800' border='0' cellspacing='0' cellpadding='5' align='center'><tr> <td width='3%'><img src='images/loading.gif' width='32' height='32' /></td><td width='97%'>Loading</td></tr></table>" 
if (xmlHttp.readyState==4)
{ 
document.getElementById("txtResults").innerHTML=xmlHttp.responseText;
}

}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}