var xmlhttp;

function showCity(cityId)
{
	
xmlhttp=GetXmlHttpObjectR();
if (xmlhttp==null){
  	alert ("Browser does not support HTTP Request");
  	return;
  }
var url1="";
url1="getCity.php";
url1=url1+"?cityId="+cityId;
//alert(url1);
xmlhttp.onreadystatechange=stateChangedR;
xmlhttp.open("GET",url1,true);
xmlhttp.send(null);
}

function stateChangedR()
{
	if (xmlhttp.readyState==4)
	{
		document.getElementById("showCityDiv").innerHTML=xmlhttp.responseText;
	}
}

function GetXmlHttpObjectR()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}