var xmlHttp;
function fnSelectCity(){
	document.getElementById("city").innerHTML ='<img src="./pics/loader.gif">';
	var vCityId = document.getElementById("cboState").value;
	var vQryString ="?qsCity="+vCityId;
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	}
	
	var url="./ajaxCity.php"+vQryString;
	//alert(url);
	
	xmlHttp.onreadystatechange=stateChanged ;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	
	
}
function stateChanged() 
{ 
	try
	{
		if (xmlHttp.readyState==4)
		{ 
			document.getElementById("city").innerHTML  = xmlHttp.responseText;
		}
	}
	catch(e)
	{
		//alert(e.message);		
		
	}
}
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;
}