var xmlHttp
function ps_showlocality(str)
{ 
xmlHttp=GetXmlHttpObject_ps_locality();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
if(xmlHttp.readyState==0 || xmlHttp.readyState==4)
  {
	  xmlHttp.open("GET",'post_req/get_ps_locality.php?q='+str,true);
  }
xmlHttp.onreadystatechange=stateChanged_ps_locality;
xmlHttp.send(null);
}
function stateChanged_ps_locality() 
{
	xmlHttp.onreadystatechange=function()
 		{
			if (xmlHttp.readyState==4)
				{ 
				   document.getElementById("ps_locality").innerHTML=xmlHttp.responseText;
				}
 		}
}
function GetXmlHttpObject_ps_locality()
{
var xmlHttp=null;
try
  {
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}