var xmlHttp1

function getCity(str)
{ 
xmlHttp1=GetXmlHttpObject1()
if (xmlHttp1==null)
{
alert ("Browser does not support HTTP Request")
return
} 
var url="getCityName.php"
url=url+"?q="+str
url=url+"&sid="+Math.random()
xmlHttp1.onreadystatechange=Category1
xmlHttp1.open("GET",url,true)
xmlHttp1.send(null)

}

function Category1() 
{ 
	if (xmlHttp1.readyState==4 || xmlHttp1.readyState=="complete")
	{ 
		document.getElementById("getCitydisplay").innerHTML=xmlHttp1.responseText 
	} 
} 

function GetXmlHttpObject1()
{ 
var objXMLHttp=null
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
return objXMLHttp
}