var xmlHttp

function showState(str)
{
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	 {
	 	alert ("Browser does not support HTTP Request")
		return
	 }
	document.getElementById('cities').innerHTML= "loading..." ;
	var url="getState.php"
	url=url+"?q="+str
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}
function stateChanged()
{
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 	{
 		document.getElementById('cities').innerHTML= xmlHttp.responseText +"<br />";
 		document.getElementById('showStore').innerHTML = "";
 	}
}
//////////////////////////////////////////////////////
function showCity(str)
{
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	 {
	 	alert ("Browser does not support HTTP Request")
	 	return
	 }
	document.getElementById('showStore').innerHTML = "loading.....";
	var url="getCity.php"
	url=url+"?q="+str
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=cityChanged
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}
function cityChanged()
{
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
		document.getElementById('showStore').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;
}